/* Makes a copy of a dataset, and opens it for writing.. */
GDALDatasetH
make_me_a_sandwitch (GDALDatasetH * in_dataset, const char *copy_file_name)
{
  char **papszOptions = NULL;
  const char *pszFormat = "GTiff";
  double adfGeoTransform[6];
  GDALDriverH hDriver;
  GDALDatasetH out_gdalfile;
  hDriver = GDALGetDriverByName (pszFormat);
  papszOptions = CSLSetNameValue (papszOptions, "TILED", "YES");
  papszOptions = CSLSetNameValue (papszOptions, "COMPRESS", "DEFLATE");

  /*Perhaps controversal - default to bigtiff... */
  /*papszOptions = CSLSetNameValue( papszOptions, "BIGTIFF", "YES" ); */

  /*return GDALCreateCopy( hDriver, copy_file_name, *in_dataset, FALSE, papszOptions, NULL, NULL ); */
  out_gdalfile = GDALCreate (hDriver, copy_file_name,
			     GDALGetRasterXSize (*in_dataset),
			     GDALGetRasterYSize (*in_dataset),
			     GDALGetRasterCount (*in_dataset),
			     GDT_Byte, papszOptions);

  /* Set geotransform */
  GDALGetGeoTransform (*in_dataset, adfGeoTransform);
  GDALSetGeoTransform (out_gdalfile, adfGeoTransform);

  /* Set projection */
  GDALSetProjection (out_gdalfile, GDALGetProjectionRef (*in_dataset));
  return out_gdalfile;
}
Beispiel #2
0
void TestQgsGdalUtils::testCreateSingleBandTiffDataset()
{
  QString filename = QDir::tempPath() + "/qgis_test_single_band_raster.tif";
  QFile::remove( filename );
  QVERIFY( !QFile::exists( filename ) );

  gdal::dataset_unique_ptr ds1 = QgsGdalUtils::createSingleBandTiffDataset( filename, GDT_Float32, QgsRectangle( 1, 1, 21, 11 ), 40, 20, QgsCoordinateReferenceSystem( "EPSG:4326" ) );
  QVERIFY( ds1 );

  QCOMPARE( GDALGetRasterCount( ds1.get() ), 1 );
  QCOMPARE( GDALGetRasterXSize( ds1.get() ), 40 );
  QCOMPARE( GDALGetRasterYSize( ds1.get() ), 20 );

  QCOMPARE( GDALGetProjectionRef( ds1.get() ), EPSG_4326_WKT );
  double geoTransform[6];
  double geoTransformExpected[] = { 1, 0.5, 0, 11, 0, -0.5 };
  QCOMPARE( GDALGetGeoTransform( ds1.get(), geoTransform ), CE_None );
  QVERIFY( memcmp( geoTransform, geoTransformExpected, sizeof( double ) * 6 ) == 0 );

  QCOMPARE( GDALGetRasterDataType( GDALGetRasterBand( ds1.get(), 1 ) ), GDT_Float32 );

  ds1.reset();  // makes sure the file is fully written

  QVERIFY( QFile::exists( filename ) );

  std::unique_ptr<QgsRasterLayer> layer( new QgsRasterLayer( filename, "test", "gdal" ) );
  QVERIFY( layer->isValid() );
  QCOMPARE( layer->extent(), QgsRectangle( 1, 1, 21, 11 ) );
  QCOMPARE( layer->width(), 40 );
  QCOMPARE( layer->height(), 20 );

  layer.reset();  // let's clean up before removing the file
  QFile::remove( filename );
}
Beispiel #3
0
int ReportCorner(GDALDatasetH hDataset, double x, double y, double *xy_c) {
    double	dfGeoX, dfGeoY;
    const char  *pszProjection;
    double	adfGeoTransform[6];

/* -------------------------------------------------------------------- */
/*      Transform the point into georeferenced coordinates.             */
/* -------------------------------------------------------------------- */
    if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None ) {
        pszProjection = GDALGetProjectionRef(hDataset);
        dfGeoX = adfGeoTransform[0] + adfGeoTransform[1] * x + adfGeoTransform[2] * y;
        dfGeoY = adfGeoTransform[3] + adfGeoTransform[4] * x + adfGeoTransform[5] * y;
    }

    else {
	xy_c[0] = x;	xy_c[1] = y;
        return FALSE;
    }

/* -------------------------------------------------------------------- */
/*      Report the georeferenced coordinates.                           */
/* -------------------------------------------------------------------- */
	xy_c[0] = dfGeoX;	xy_c[1] = dfGeoY;

    return TRUE;
}
Beispiel #4
0
void MDAL::GdalDataset::parseProj()
{
  char *proj = const_cast<char *>( GDALGetProjectionRef( mHDataset ) );
  if ( proj != nullptr )
  {
    mProj = std::string( proj );
  }
}
    void object::test<7>()
    {
        // Index of test file being tested
        const std::size_t fileIdx = 0;

        std::string src(data_ + SEP);
        src += rasters_.at(fileIdx).file_;

        GDALDatasetH dsSrc = GDALOpen(src.c_str(), GA_ReadOnly);
        ensure("Can't open source dataset: " + src, nullptr != dsSrc);

        std::string dst(data_tmp_ + SEP);
        dst += rasters_.at(fileIdx).file_;
        dst += ".grd";

        GDALDatasetH dsDst = nullptr;
        dsDst = GDALCreateCopy(drv_, dst.c_str(), dsSrc, FALSE, nullptr, nullptr, nullptr);
        GDALClose(dsSrc);
        ensure("Can't copy dataset", nullptr != dsDst);

        std::string proj(GDALGetProjectionRef(dsDst));
        ensure_equals("Projection definition is not available", proj.empty(), false);

        std::string expect(
            "PROJCS[\"NAD27 / UTM zone 11N\",GEOGCS[\"NAD27\","
            "DATUM[\"North_American_Datum_1927\",SPHEROID[\"Clarke 1866\","
            "6378206.4,294.978698213898,AUTHORITY[\"EPSG\",\"7008\"]],"
            "AUTHORITY[\"EPSG\",\"6267\"]],PRIMEM[\"Greenwich\",0],"
            "UNIT[\"Degree\",0.0174532925199433]],"
            "PROJECTION[\"Transverse_Mercator\"],"
            "PARAMETER[\"latitude_of_origin\",0],"
            "PARAMETER[\"central_meridian\",-117],"
            "PARAMETER[\"scale_factor\",0.9996],"
            "PARAMETER[\"false_easting\",500000],"
            "PARAMETER[\"false_northing\",0],"
            "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],"
            "AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]");

        ensure_equals("Projection does not match expected", proj, expect);

        GDALRasterBandH band = GDALGetRasterBand(dsDst, rasters_.at(fileIdx).band_);
        ensure("Can't get raster band", nullptr != band);

        const int xsize = GDALGetRasterXSize(dsDst);
        const int ysize = GDALGetRasterYSize(dsDst);
        const int checksum = GDALChecksumImage(band, 0, 0, xsize, ysize);

        std::stringstream os;
        os << "Checksums for '" << dst << "' not equal";
        ensure_equals(os.str().c_str(), checksum, rasters_.at(fileIdx).checksum_);

        GDALClose(dsDst);

    }
Beispiel #6
0
GDALDatasetH QgsRelief::openOutputFile( GDALDatasetH inputDataset, GDALDriverH outputDriver )
{
  if ( !inputDataset )
  {
    return nullptr;
  }

  int xSize = GDALGetRasterXSize( inputDataset );
  int ySize = GDALGetRasterYSize( inputDataset );

  //open output file
  char **papszOptions = nullptr;

  //use PACKBITS compression for tiffs by default
  papszOptions = CSLSetNameValue( papszOptions, "COMPRESS", "PACKBITS" );

  //create three band raster (reg, green, blue)
  GDALDatasetH outputDataset = GDALCreate( outputDriver, mOutputFile.toUtf8().constData(), xSize, ySize, 3, GDT_Byte, papszOptions );
  if ( !outputDataset )
  {
    return outputDataset;
  }

  //get geotransform from inputDataset
  double geotransform[6];
  if ( GDALGetGeoTransform( inputDataset, geotransform ) != CE_None )
  {
    GDALClose( outputDataset );
    return nullptr;
  }
  GDALSetGeoTransform( outputDataset, geotransform );

  //make sure mCellSizeX and mCellSizeY are always > 0
  mCellSizeX = geotransform[1];
  if ( mCellSizeX < 0 )
  {
    mCellSizeX = -mCellSizeX;
  }
  mCellSizeY = geotransform[5];
  if ( mCellSizeY < 0 )
  {
    mCellSizeY = -mCellSizeY;
  }

  const char *projection = GDALGetProjectionRef( inputDataset );
  GDALSetProjection( outputDataset, projection );

  return outputDataset;
}
Beispiel #7
0
QgsAlignRaster::RasterInfo::RasterInfo( const QString& layerpath )
{
  mDataset = GDALOpen( layerpath.toLocal8Bit().constData(), GA_ReadOnly );
  if ( !mDataset )
    return;

  mXSize = GDALGetRasterXSize( mDataset );
  mYSize = GDALGetRasterYSize( mDataset );

  GDALGetGeoTransform( mDataset, mGeoTransform );

  // TODO: may be null or empty string
  mCrsWkt = QString::fromAscii( GDALGetProjectionRef( mDataset ) );

  mBandCnt = GDALGetBandNumber( mDataset );
}
Beispiel #8
0
void TestQgsGdalUtils::testCreateSingleBandMemoryDataset()
{
  gdal::dataset_unique_ptr ds1 = QgsGdalUtils::createSingleBandMemoryDataset( GDT_Float32, QgsRectangle( 1, 1, 21, 11 ), 40, 20, QgsCoordinateReferenceSystem( "EPSG:4326" ) );
  QVERIFY( ds1 );

  QCOMPARE( GDALGetRasterCount( ds1.get() ), 1 );
  QCOMPARE( GDALGetRasterXSize( ds1.get() ), 40 );
  QCOMPARE( GDALGetRasterYSize( ds1.get() ), 20 );

  QCOMPARE( GDALGetProjectionRef( ds1.get() ), EPSG_4326_WKT );
  double geoTransform[6];
  double geoTransformExpected[] = { 1, 0.5, 0, 11, 0, -0.5 };
  QCOMPARE( GDALGetGeoTransform( ds1.get(), geoTransform ), CE_None );
  QVERIFY( memcmp( geoTransform, geoTransformExpected, sizeof( double ) * 6 ) == 0 );

  QCOMPARE( GDALGetRasterDataType( GDALGetRasterBand( ds1.get(), 1 ) ), GDT_Float32 );
}
Beispiel #9
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GDALDatasetH QgsNineCellFilter::openOutputFile( GDALDatasetH inputDataset, GDALDriverH outputDriver )
{
  if ( inputDataset == NULL )
  {
    return NULL;
  }

  int xSize = GDALGetRasterXSize( inputDataset );
  int ySize = GDALGetRasterYSize( inputDataset );;

  //open output file
  char **papszOptions = NULL;
  GDALDatasetH outputDataset = GDALCreate( outputDriver, mOutputFile.toLocal8Bit().data(), xSize, ySize, 1, GDT_Float32, papszOptions );
  if ( outputDataset == NULL )
  {
    return outputDataset;
  }

  //get geotransform from inputDataset
  double geotransform[6];
  if ( GDALGetGeoTransform( inputDataset, geotransform ) != CE_None )
  {
    GDALClose( outputDataset );
    return NULL;
  }
  GDALSetGeoTransform( outputDataset, geotransform );

  //make sure mCellSizeX and mCellSizeY are always > 0
  mCellSizeX = geotransform[1];
  if ( mCellSizeX < 0 )
  {
    mCellSizeX = -mCellSizeX;
  }
  mCellSizeY = geotransform[5];
  if ( mCellSizeY < 0 )
  {
    mCellSizeY = -mCellSizeY;
  }

  const char* projection = GDALGetProjectionRef( inputDataset );
  GDALSetProjection( outputDataset, projection );

  return outputDataset;
}
Beispiel #10
0
void QgsRasterChangeCoords::setRaster( const QString &fileRaster )
{
  GDALAllRegister();
  GDALDatasetH hDS = GDALOpen( fileRaster.toUtf8().constData(), GA_ReadOnly );
  double adfGeoTransform[6];
  if ( GDALGetProjectionRef( hDS ) && GDALGetGeoTransform( hDS, adfGeoTransform ) == CE_None )
    //if ( false )
  {
    mHasCrs = true;
    mUL_X = adfGeoTransform[0];
    mUL_Y = adfGeoTransform[3];
    mResX = adfGeoTransform[1];
    mResY = adfGeoTransform[5];
  }
  else
  {
    mHasCrs = false;
  }
  GDALClose( hDS );
}
    void object::test<5>()
    {
        // Index of test file being tested
        const std::size_t fileIdx = 1;

        std::string file(data_ + SEP);
        file += grids_.at(fileIdx).file_;

        GDALDatasetH ds = GDALOpen(file.c_str(), GA_ReadOnly);
        ensure("Can't open dataset: " + file, nullptr != ds);

        std::string proj(GDALGetProjectionRef(ds));
        ensure_equals("Projection definition is not available", proj.empty(), false);

        std::string expect(
            "PROJCS[\"unnamed\",GEOGCS[\"NAD83\","
            "DATUM[\"North_American_Datum_1983\",SPHEROID[\"GRS 1980\","
            "6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],"
            "AUTHORITY[\"EPSG\",\"6269\"]],"
            "PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],"
            "UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],"
            "AUTHORITY[\"EPSG\",\"4269\"]],"
            "PROJECTION[\"Albers_Conic_Equal_Area\"],"
            "PARAMETER[\"latitude_of_center\",59],"
            "PARAMETER[\"longitude_of_center\",-132.5],"
            "PARAMETER[\"standard_parallel_1\",61.6666666666667],"
            "PARAMETER[\"standard_parallel_2\",68],"
            "PARAMETER[\"false_easting\",500000],"
            "PARAMETER[\"false_northing\",500000],"
            "UNIT[\"METERS\",1],"
            "AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]");

        ensure_equals("Projection does not match expected", proj, expect);

        GDALClose(ds);
    }
Beispiel #12
0
/**
 * \private \memberof mapcache_source_gdal
 * \sa mapcache_source::render_metatile()
 */
void _mapcache_source_gdal_render_metatile(mapcache_context *ctx, mapcache_metatile *tile)
{
  mapcache_source_gdal *gdal = (mapcache_source_gdal*)tile->tile.tileset->source;
  char *srcSRS = "", *dstSRS;
  mapcache_buffer *data = mapcache_buffer_create(0,ctx->pool);
  GC_CHECK_ERROR(ctx);
  GDALDatasetH  hDataset;

  GDALAllRegister();
  OGRSpatialReferenceH hSRS;
  CPLErrorReset();

  hSRS = OSRNewSpatialReference( NULL );
  if( OSRSetFromUserInput( hSRS, tile->tile.grid->srs ) == OGRERR_NONE )
    OSRExportToWkt( hSRS, &dstSRS );
  else {
    ctx->set_error(ctx,MAPCACHE_SOURCE_GDAL_ERROR,"failed to parse gdal srs %s",tile->tile.grid->srs);
    return;
  }

  OSRDestroySpatialReference( hSRS );

  hDataset = GDALOpen( gdal->datastr, GA_ReadOnly );
  if( hDataset == NULL ) {
    ctx->set_error(ctx,MAPCACHE_SOURCE_GDAL_ERROR,"GDAL failed to open %s",gdal->datastr);
    return;
  }

  /* -------------------------------------------------------------------- */
  /*      Check that there's at least one raster band                     */
  /* -------------------------------------------------------------------- */
  if ( GDALGetRasterCount(hDataset) == 0 ) {
    ctx->set_error(ctx,MAPCACHE_SOURCE_GDAL_ERROR,"raster %s has no bands",gdal->datastr);
    return;
  }

  if( GDALGetProjectionRef( hDataset ) != NULL
      && strlen(GDALGetProjectionRef( hDataset )) > 0 )
    srcSRS = apr_pstrdup(ctx->pool,GDALGetProjectionRef( hDataset ));

  else if( GDALGetGCPProjection( hDataset ) != NULL
           && strlen(GDALGetGCPProjection(hDataset)) > 0
           && GDALGetGCPCount( hDataset ) > 1 )
    srcSRS = apr_pstrdup(ctx->pool,GDALGetGCPProjection( hDataset ));

  GDALDriverH hDriver = GDALGetDriverByName( "MEM" );
  GDALDatasetH hDstDS;
  /* -------------------------------------------------------------------- */
  /*      Create a transformation object from the source to               */
  /*      destination coordinate system.                                  */
  /* -------------------------------------------------------------------- */
  void *hTransformArg =
    GDALCreateGenImgProjTransformer( hDataset, srcSRS,
                                     NULL, dstSRS,
                                     TRUE, 1000.0, 0 );

  if( hTransformArg == NULL ) {
    ctx->set_error(ctx,MAPCACHE_SOURCE_GDAL_ERROR,"gdal failed to create SRS transformation object");
    return;
  }

  /* -------------------------------------------------------------------- */
  /*      Get approximate output definition.                              */
  /* -------------------------------------------------------------------- */
  int nPixels, nLines;
  double adfDstGeoTransform[6];
  if( GDALSuggestedWarpOutput( hDataset,
                               GDALGenImgProjTransform, hTransformArg,
                               adfDstGeoTransform, &nPixels, &nLines )
      != CE_None ) {
    ctx->set_error(ctx,MAPCACHE_SOURCE_GDAL_ERROR,"gdal failed to create suggested warp output");
    return;
  }

  GDALDestroyGenImgProjTransformer( hTransformArg );
  double dfXRes = (tile->bbox[2] - tile->bbox[0]) / tile->sx;
  double dfYRes = (tile->bbox[3] - tile->bbox[1]) / tile->sy;

  adfDstGeoTransform[0] = tile->bbox[0];
  adfDstGeoTransform[3] = tile->bbox[3];
  adfDstGeoTransform[1] = dfXRes;
  adfDstGeoTransform[5] = -dfYRes;
  hDstDS = GDALCreate( hDriver, "tempd_gdal_image", tile->sx, tile->sy, 4, GDT_Byte, NULL );

  /* -------------------------------------------------------------------- */
  /*      Write out the projection definition.                            */
  /* -------------------------------------------------------------------- */
  GDALSetProjection( hDstDS, dstSRS );
  GDALSetGeoTransform( hDstDS, adfDstGeoTransform );
  char               **papszWarpOptions = NULL;
  papszWarpOptions = CSLSetNameValue( papszWarpOptions, "INIT", "0" );



  /* -------------------------------------------------------------------- */
  /*      Create a transformation object from the source to               */
  /*      destination coordinate system.                                  */
  /* -------------------------------------------------------------------- */
  GDALTransformerFunc pfnTransformer = NULL;
  void               *hGenImgProjArg=NULL, *hApproxArg=NULL;
  hTransformArg = hGenImgProjArg =
                    GDALCreateGenImgProjTransformer( hDataset, srcSRS,
                        hDstDS, dstSRS,
                        TRUE, 1000.0, 0 );

  if( hTransformArg == NULL )
    exit( 1 );

  pfnTransformer = GDALGenImgProjTransform;

  hTransformArg = hApproxArg =
                    GDALCreateApproxTransformer( GDALGenImgProjTransform,
                        hGenImgProjArg, 0.125 );
  pfnTransformer = GDALApproxTransform;

  /* -------------------------------------------------------------------- */
  /*      Now actually invoke the warper to do the work.                  */
  /* -------------------------------------------------------------------- */
  GDALSimpleImageWarp( hDataset, hDstDS, 0, NULL,
                       pfnTransformer, hTransformArg,
                       GDALDummyProgress, NULL, papszWarpOptions );

  CSLDestroy( papszWarpOptions );

  if( hApproxArg != NULL )
    GDALDestroyApproxTransformer( hApproxArg );

  if( hGenImgProjArg != NULL )
    GDALDestroyGenImgProjTransformer( hGenImgProjArg );

  if(GDALGetRasterCount(hDstDS) != 4) {
    ctx->set_error(ctx,MAPCACHE_SOURCE_GDAL_ERROR,"gdal did not create a 4 band image");
    return;
  }

  GDALRasterBandH *redband, *greenband, *blueband, *alphaband;

  redband = GDALGetRasterBand(hDstDS,1);
  greenband = GDALGetRasterBand(hDstDS,2);
  blueband = GDALGetRasterBand(hDstDS,3);
  alphaband = GDALGetRasterBand(hDstDS,4);

  unsigned char *rasterdata = apr_palloc(ctx->pool,tile->sx*tile->sy*4);
  data->buf = rasterdata;
  data->avail = tile->sx*tile->sy*4;
  data->size = tile->sx*tile->sy*4;

  GDALRasterIO(redband,GF_Read,0,0,tile->sx,tile->sy,(void*)(rasterdata),tile->sx,tile->sy,GDT_Byte,4,4*tile->sx);
  GDALRasterIO(greenband,GF_Read,0,0,tile->sx,tile->sy,(void*)(rasterdata+1),tile->sx,tile->sy,GDT_Byte,4,4*tile->sx);
  GDALRasterIO(blueband,GF_Read,0,0,tile->sx,tile->sy,(void*)(rasterdata+2),tile->sx,tile->sy,GDT_Byte,4,4*tile->sx);
  if(GDALGetRasterCount(hDataset)==4)
    GDALRasterIO(alphaband,GF_Read,0,0,tile->sx,tile->sy,(void*)(rasterdata+3),tile->sx,tile->sy,GDT_Byte,4,4*tile->sx);
  else {
    unsigned char *alphaptr;
    int i;
    for(alphaptr = rasterdata+3, i=0; i<tile->sx*tile->sy; i++, alphaptr+=4) {
      *alphaptr = 255;
    }
  }

  tile->imdata = mapcache_image_create(ctx);
  tile->imdata->w = tile->sx;
  tile->imdata->h = tile->sy;
  tile->imdata->stride = tile->sx * 4;
  tile->imdata->data = rasterdata;


  GDALClose( hDstDS );
  GDALClose( hDataset);
}
double QgsCoordinateFormat::getHeightAtPos( const QgsPoint& p, const QgsCoordinateReferenceSystem& crs, QGis::UnitType unit, QString* errMsg )
{
  QString layerid = QgsProject::instance()->readEntry( "Heightmap", "layer" );
  QgsMapLayer* layer = QgsMapLayerRegistry::instance()->mapLayer( layerid );
  if ( !layer || layer->type() != QgsMapLayer::RasterLayer )
  {
    if ( errMsg )
      *errMsg = tr( "No heightmap is defined in the project." ), tr( "Right-click a raster layer in the layer tree and select it to be used as heightmap." );
    return 0;
  }
  QString rasterFile = layer->source();
  GDALDatasetH raster = GDALOpen( rasterFile.toLocal8Bit().data(), GA_ReadOnly );
  if ( !raster )
  {
    if ( errMsg )
      *errMsg = tr( "Failed to open raster file: %1" ).arg( rasterFile );
    return 0;
  }

  double gtrans[6] = {};
  if ( GDALGetGeoTransform( raster, &gtrans[0] ) != CE_None )
  {
    if ( errMsg )
      *errMsg = tr( "Failed to get raster geotransform" );
    GDALClose( raster );
    return 0;
  }

  QString proj( GDALGetProjectionRef( raster ) );
  const QgsCoordinateReferenceSystem& rasterCrs = QgsCRSCache::instance()->crsByWkt( proj );
  if ( !rasterCrs.isValid() )
  {
    if ( errMsg )
      *errMsg = tr( "Failed to get raster CRS" );
    GDALClose( raster );
    return 0;
  }

  GDALRasterBandH band = GDALGetRasterBand( raster, 1 );
  if ( !raster )
  {
    if ( errMsg )
      *errMsg = tr( "Failed to open raster band 0" );
    GDALClose( raster );
    return 0;
  }

  // Get vertical unit
  QGis::UnitType vertUnit = strcmp( GDALGetRasterUnitType( band ), "ft" ) == 0 ? QGis::Feet : QGis::Meters;

  // Transform geo position to raster CRS
  QgsPoint pRaster = QgsCoordinateTransformCache::instance()->transform( crs.authid(), rasterCrs.authid() )->transform( p );
  QgsDebugMsg( QString( "Transform %1 from %2 to %3 gives %4" ).arg( p.toString() )
               .arg( crs.authid() ).arg( rasterCrs.authid() ).arg( pRaster.toString() ) );

  // Transform raster geo position to pixel coordinates
  double row = ( -gtrans[0] * gtrans[4] + gtrans[1] * gtrans[3] - gtrans[1] * pRaster.y() + gtrans[4] * pRaster.x() ) / ( gtrans[2] * gtrans[4] - gtrans[1] * gtrans[5] );
  double col = ( -gtrans[0] * gtrans[5] + gtrans[2] * gtrans[3] - gtrans[2] * pRaster.y() + gtrans[5] * pRaster.x() ) / ( gtrans[1] * gtrans[5] - gtrans[2] * gtrans[4] );

  double pixValues[4] = {};
  if ( CE_None != GDALRasterIO( band, GF_Read,
                                qFloor( col ), qFloor( row ), 2, 2, &pixValues[0], 2, 2, GDT_Float64, 0, 0 ) )
  {
    if ( errMsg )
      *errMsg = tr( "Failed to read pixel values" );
    GDALClose( raster );
    return 0;
  }

  GDALClose( raster );

  // Interpolate values
  double lambdaR = row - qFloor( row );
  double lambdaC = col - qFloor( col );

  double value = ( pixValues[0] * ( 1. - lambdaC ) + pixValues[1] * lambdaC ) * ( 1. - lambdaR )
                 + ( pixValues[2] * ( 1. - lambdaC ) + pixValues[3] * lambdaC ) * ( lambdaR );
  if ( rasterCrs.mapUnits() != unit )
  {
    value *= QGis::fromUnitToUnitFactor( vertUnit, unit );
  }
  return value;
}
Beispiel #14
0
static ERL_NIF_TERM gdal_nif_get_meta(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
    gdal_img_handle* handle;
    if (enif_get_resource(env, argv[0], gdal_img_RESOURCE, (void**)&handle)) {
        GDALDatasetH in_ds = handle->in_ds;
        if (in_ds != NULL) {
            ERL_NIF_TERM terms[8];
            int idx = 0;

            terms[idx++] = enif_make_tuple2(env,
                                enif_make_atom(env, "description"),
                                enif_make_string(env, GDALGetDescription(in_ds), ERL_NIF_LATIN1));

            GDALDriverH hDriver = GDALGetDatasetDriver(in_ds);
            char buf[256];
            sprintf(buf, "%s/%s", 
                    GDALGetDriverShortName(hDriver), GDALGetDriverLongName(hDriver));
            terms[idx++] = enif_make_tuple2(env, 
                                enif_make_atom(env, "driver"),
                                enif_make_string(env, buf, ERL_NIF_LATIN1));

            terms[idx++] = enif_make_tuple2(env, 
                                enif_make_atom(env, "rasterSize"), 
                                enif_make_tuple2(env, 
                                    enif_make_int(env, GDALGetRasterXSize(in_ds)), 
                                    enif_make_int(env, GDALGetRasterYSize(in_ds))));

            terms[idx++] = enif_make_tuple2(env, 
                                    enif_make_atom(env, "rasterCount"),
                                    enif_make_int(env, GDALGetRasterCount(in_ds)));

            double adfGeoTransform[6];
            if( GDALGetGeoTransform( in_ds, adfGeoTransform ) == CE_None ) {
                terms[idx++] = enif_make_tuple2(env,
                                    enif_make_atom(env, "origin"),
                                    enif_make_tuple2(env,
                                        enif_make_double(env, adfGeoTransform[0]), 
                                        enif_make_double(env, adfGeoTransform[3])));

                terms[idx++] = enif_make_tuple2(env,
                                    enif_make_atom(env, "pixelSize"), 
                                    enif_make_tuple2(env, 
                                        enif_make_double(env, adfGeoTransform[1]), 
                                        enif_make_double(env, adfGeoTransform[5])));
            }

            if (GDALGetProjectionRef(in_ds) != NULL) {
                terms[idx++] = enif_make_tuple2(env,
                                    enif_make_atom(env, "projection"), 
                                    enif_make_string(env, 
                                        GDALGetProjectionRef(in_ds), ERL_NIF_LATIN1));
}

            char** fileList = GDALGetFileList(in_ds);
            if (fileList != NULL) {
                ERL_NIF_TERM fileTerms[16];
                int fileIdx = 0;
                char** files = fileList;

                do {
                    fileTerms[ fileIdx++ ] = enif_make_string(env, *files, ERL_NIF_LATIN1);
                } while(*(++files)) ;
                CSLDestroy(fileList);

                terms[idx++] = enif_make_tuple2(env,
                                    enif_make_atom(env, "fileList"),
                                    enif_make_list_from_array(env, fileTerms, fileIdx));
            }

            return enif_make_list_from_array(env, terms, idx);
        }
        else {
            return ATOM_NOT_OPEN;
        }
    }
    else {
        return enif_make_badarg(env);
    }
}
static CPLErr ProcessLayer(
    OGRLayerH hSrcLayer, int bSRSIsSet,
    GDALDatasetH hDstDS, std::vector<int> anBandList,
    const std::vector<double> &adfBurnValues, int b3D, int bInverse,
    const char *pszBurnAttribute, char **papszRasterizeOptions,
    GDALProgressFunc pfnProgress, void* pProgressData )

{
/* -------------------------------------------------------------------- */
/*      Checkout that SRS are the same.                                 */
/*      If -a_srs is specified, skip the test                           */
/* -------------------------------------------------------------------- */
    OGRCoordinateTransformationH hCT = NULL;
    if (!bSRSIsSet)
    {
        OGRSpatialReferenceH  hDstSRS = NULL;
        if( GDALGetProjectionRef( hDstDS ) != NULL )
        {
            char *pszProjection;

            pszProjection = (char *) GDALGetProjectionRef( hDstDS );

            hDstSRS = OSRNewSpatialReference(NULL);
            if( OSRImportFromWkt( hDstSRS, &pszProjection ) != OGRERR_NONE )
            {
                OSRDestroySpatialReference(hDstSRS);
                hDstSRS = NULL;
            }
        }

        OGRSpatialReferenceH hSrcSRS = OGR_L_GetSpatialRef(hSrcLayer);
        if( hDstSRS != NULL && hSrcSRS != NULL )
        {
            if( OSRIsSame(hSrcSRS, hDstSRS) == FALSE )
            {
                hCT = OCTNewCoordinateTransformation(hSrcSRS, hDstSRS);
                if( hCT == NULL )
                {
                    CPLError(CE_Warning, CPLE_AppDefined,
                        "The output raster dataset and the input vector layer do not have the same SRS.\n"
                        "And reprojection of input data did not work. Results might be incorrect.");
                }
            }
        }
        else if( hDstSRS != NULL && hSrcSRS == NULL )
        {
            CPLError(CE_Warning, CPLE_AppDefined,
                    "The output raster dataset has a SRS, but the input vector layer SRS is unknown.\n"
                    "Ensure input vector has the same SRS, otherwise results might be incorrect.");
        }
        else if( hDstSRS == NULL && hSrcSRS != NULL )
        {
            CPLError(CE_Warning, CPLE_AppDefined,
                    "The input vector layer has a SRS, but the output raster dataset SRS is unknown.\n"
                    "Ensure output raster dataset has the same SRS, otherwise results might be incorrect.");
        }

        if( hDstSRS != NULL )
        {
            OSRDestroySpatialReference(hDstSRS);
        }
    }

/* -------------------------------------------------------------------- */
/*      Get field index, and check.                                     */
/* -------------------------------------------------------------------- */
    int iBurnField = -1;

    if( pszBurnAttribute )
    {
        iBurnField = OGR_FD_GetFieldIndex( OGR_L_GetLayerDefn( hSrcLayer ),
                                           pszBurnAttribute );
        if( iBurnField == -1 )
        {
            CPLError(CE_Failure, CPLE_AppDefined, "Failed to find field %s on layer %s, skipping.",
                    pszBurnAttribute,
                    OGR_FD_GetName( OGR_L_GetLayerDefn( hSrcLayer ) ) );
            if( hCT != NULL )
                OCTDestroyCoordinateTransformation(hCT);
            return CE_Failure;
        }
    }

/* -------------------------------------------------------------------- */
/*      Collect the geometries from this layer, and build list of       */
/*      burn values.                                                    */
/* -------------------------------------------------------------------- */
    OGRFeatureH hFeat;
    std::vector<OGRGeometryH> ahGeometries;
    std::vector<double> adfFullBurnValues;

    OGR_L_ResetReading( hSrcLayer );

    while( (hFeat = OGR_L_GetNextFeature( hSrcLayer )) != NULL )
    {
        OGRGeometryH hGeom;

        if( OGR_F_GetGeometryRef( hFeat ) == NULL )
        {
            OGR_F_Destroy( hFeat );
            continue;
        }

        hGeom = OGR_G_Clone( OGR_F_GetGeometryRef( hFeat ) );
        if( hCT != NULL )
        {
            if( OGR_G_Transform(hGeom, hCT) != OGRERR_NONE )
            {
                OGR_F_Destroy( hFeat );
                OGR_G_DestroyGeometry(hGeom);
                continue;
            }
        }
        ahGeometries.push_back( hGeom );

        for( unsigned int iBand = 0; iBand < anBandList.size(); iBand++ )
        {
            if( adfBurnValues.size() > 0 )
                adfFullBurnValues.push_back(
                    adfBurnValues[MIN(iBand,adfBurnValues.size()-1)] );
            else if( pszBurnAttribute )
            {
                adfFullBurnValues.push_back( OGR_F_GetFieldAsDouble( hFeat, iBurnField ) );
            }
            /* I have made the 3D option exclusive to other options since it
               can be used to modify the value from "-burn value" or
               "-a attribute_name" */
            if( b3D )
            {
                // TODO: get geometry "z" value
                /* Points and Lines will have their "z" values collected at the
                   point and line levels respectively. However filled polygons
                   (GDALdllImageFilledPolygon) can use some help by getting
                   their "z" values here. */
                adfFullBurnValues.push_back( 0.0 );
            }
        }

        OGR_F_Destroy( hFeat );
    }

    if( hCT != NULL )
        OCTDestroyCoordinateTransformation(hCT);

/* -------------------------------------------------------------------- */
/*      If we are in inverse mode, we add one extra ring around the     */
/*      whole dataset to invert the concept of insideness and then      */
/*      merge everything into one geometry collection.                  */
/* -------------------------------------------------------------------- */
    if( bInverse )
    {
        if( ahGeometries.size() == 0 )
        {
            for( unsigned int iBand = 0; iBand < anBandList.size(); iBand++ )
            {
                if( adfBurnValues.size() > 0 )
                    adfFullBurnValues.push_back(
                        adfBurnValues[MIN(iBand,adfBurnValues.size()-1)] );
                else /* FIXME? Not sure what to do exactly in the else case, but we must insert a value */
                    adfFullBurnValues.push_back( 0.0 );
            }
        }

        InvertGeometries( hDstDS, ahGeometries );
    }

/* -------------------------------------------------------------------- */
/*      Perform the burn.                                               */
/* -------------------------------------------------------------------- */
    CPLErr eErr = GDALRasterizeGeometries( hDstDS, static_cast<int>(anBandList.size()), &(anBandList[0]),
                             static_cast<int>(ahGeometries.size()), &(ahGeometries[0]),
                             NULL, NULL, &(adfFullBurnValues[0]),
                             papszRasterizeOptions,
                             pfnProgress, pProgressData );

/* -------------------------------------------------------------------- */
/*      Cleanup geometries.                                             */
/* -------------------------------------------------------------------- */
    int iGeom;

    for( iGeom = static_cast<int>(ahGeometries.size())-1; iGeom >= 0; iGeom-- )
        OGR_G_DestroyGeometry( ahGeometries[iGeom] );

    return eErr;
}
Beispiel #16
0
int main(int argc, char *argv[])
{
    const char *index_filename = NULL;
    const char *tile_index = "location";
    int		i_arg, ti_field;
    OGRDataSourceH hTileIndexDS;
    OGRLayerH hLayer = NULL;
    OGRFeatureDefnH hFDefn;
    int write_absolute_path = FALSE;
    char* current_path = NULL;
    int i;
    int nExistingFiles;
    int skip_different_projection = FALSE;
    char** existingFilesTab = NULL;
    int alreadyExistingProjectionRefValid = FALSE;
    char* alreadyExistingProjectionRef = NULL;
    char* index_filename_mod;
    int bExists;
    VSIStatBuf sStatBuf;
    const char *pszTargetSRS = "";
    int bSetTargetSRS = FALSE;
    OGRSpatialReferenceH hTargetSRS = NULL;

    /* Check that we are running against at least GDAL 1.4 */
    /* Note to developers : if we use newer API, please change the requirement */
    if (atoi(GDALVersionInfo("VERSION_NUM")) < 1400)
    {
        fprintf(stderr, "At least, GDAL >= 1.4.0 is required for this version of %s, "
                "which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME);
        exit(1);
    }

    GDALAllRegister();
    OGRRegisterAll();

    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Get commandline arguments other than the GDAL raster filenames. */
/* -------------------------------------------------------------------- */
    for( i_arg = 1; i_arg < argc; i_arg++ )
    {
        if( EQUAL(argv[i_arg], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( strcmp(argv[i_arg],"-tileindex") == 0 )
        {
            tile_index = argv[++i_arg];
        }
        else if( strcmp(argv[i_arg],"-t_srs") == 0 )
        {
            pszTargetSRS = argv[++i_arg];
            bSetTargetSRS = TRUE;
        }
        else if ( strcmp(argv[i_arg],"-write_absolute_path") == 0 )
        {
            write_absolute_path = TRUE;
        }
        else if ( strcmp(argv[i_arg],"-skip_different_projection") == 0 )
        {
            skip_different_projection = TRUE;
        }
        else if( argv[i_arg][0] == '-' )
            Usage();
        else if( index_filename == NULL )
        {
            index_filename = argv[i_arg];
            i_arg++;
            break;
        }
    }
 
    if( index_filename == NULL || i_arg == argc )
        Usage();

/* -------------------------------------------------------------------- */
/*      Create and validate target SRS if given.                        */
/* -------------------------------------------------------------------- */
   if( bSetTargetSRS )
   {  
       if ( skip_different_projection )
       {
           fprintf( stderr, 
                    "Warning : -skip_different_projection does not apply "
                    "when -t_srs is requested.\n" );
       }
       hTargetSRS = OSRNewSpatialReference("");
       if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None )
       {
           OSRDestroySpatialReference( hTargetSRS );
           fprintf( stderr, "Invalid target SRS `%s'.\n", 
                    pszTargetSRS );
           exit(1);
       }
   }

/* -------------------------------------------------------------------- */
/*      Open or create the target shapefile and DBF file.               */
/* -------------------------------------------------------------------- */
    index_filename_mod = CPLStrdup(CPLResetExtension(index_filename, "shp"));

    bExists = (VSIStat(index_filename_mod, &sStatBuf) == 0);
    if (!bExists)
    {
        CPLFree(index_filename_mod);
        index_filename_mod = CPLStrdup(CPLResetExtension(index_filename, "SHP"));
        bExists = (VSIStat(index_filename_mod, &sStatBuf) == 0);
    }
    CPLFree(index_filename_mod);

    if (bExists)
    {
        hTileIndexDS = OGROpen( index_filename, TRUE, NULL );
        if (hTileIndexDS != NULL)
        {
            hLayer = OGR_DS_GetLayer(hTileIndexDS, 0);
        }
    }
    else
    {
        OGRSFDriverH hDriver;
        const char* pszDriverName = "ESRI Shapefile";

        printf( "Creating new index file...\n" );
        hDriver = OGRGetDriverByName( pszDriverName );
        if( hDriver == NULL )
        {
            printf( "%s driver not available.\n", pszDriverName );
            exit( 1 );
        }

        hTileIndexDS = OGR_Dr_CreateDataSource( hDriver, index_filename, NULL );
        if (hTileIndexDS)
        {
            char* pszLayerName = CPLStrdup(CPLGetBasename(index_filename));

            /* get spatial reference for output file from target SRS (if set) */
            /* or from first input file */
            OGRSpatialReferenceH hSpatialRef = NULL;
            if( bSetTargetSRS )
            {
                hSpatialRef = OSRClone( hTargetSRS );
            }
            else
            {
                GDALDatasetH hDS = GDALOpen( argv[i_arg], GA_ReadOnly );
                if (hDS)
                {
                    const char* pszWKT = GDALGetProjectionRef(hDS);
                    if (pszWKT != NULL && pszWKT[0] != '\0')
                    {
                        hSpatialRef = OSRNewSpatialReference(pszWKT);
                    }
                    GDALClose(hDS);
                }
            }

            hLayer = OGR_DS_CreateLayer( hTileIndexDS, pszLayerName, hSpatialRef, wkbPolygon, NULL );
            CPLFree(pszLayerName);
            if (hSpatialRef)
                OSRRelease(hSpatialRef);

            if (hLayer)
            {
                OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString );
                OGR_Fld_SetWidth( hFieldDefn, 255);
                OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
                OGR_Fld_Destroy(hFieldDefn);
            }
        }
    }

    if( hTileIndexDS == NULL || hLayer == NULL )
    {
        fprintf( stderr, "Unable to open/create shapefile `%s'.\n", 
                 index_filename );
        exit(2);
    }

    hFDefn = OGR_L_GetLayerDefn(hLayer);

    for( ti_field = 0; ti_field < OGR_FD_GetFieldCount(hFDefn); ti_field++ )
    {
        OGRFieldDefnH hFieldDefn = OGR_FD_GetFieldDefn( hFDefn, ti_field );
        if( strcmp(OGR_Fld_GetNameRef(hFieldDefn), tile_index) == 0 )
            break;
    }

    if( ti_field == OGR_FD_GetFieldCount(hFDefn) )
    {
        fprintf( stderr, "Unable to find field `%s' in DBF file `%s'.\n", 
                 tile_index, index_filename );
        exit(2);
    }

    /* Load in memory existing file names in SHP */
    nExistingFiles = OGR_L_GetFeatureCount(hLayer, FALSE);
    if (nExistingFiles)
    {
        OGRFeatureH hFeature;
        existingFilesTab = (char**)CPLMalloc(nExistingFiles * sizeof(char*));
        for(i=0;i<nExistingFiles;i++)
        {
            hFeature = OGR_L_GetNextFeature(hLayer);
            existingFilesTab[i] = CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field ));
            if (i == 0)
            {
                GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly );
                if (hDS)
                {
                    alreadyExistingProjectionRefValid = TRUE;
                    alreadyExistingProjectionRef = CPLStrdup(GDALGetProjectionRef(hDS));
                    GDALClose(hDS);
                }
            }
            OGR_F_Destroy( hFeature );
        }
    }

    if (write_absolute_path)
    {
        current_path = CPLGetCurrentDir();
        if (current_path == NULL)
        {
            fprintf( stderr, "This system does not support the CPLGetCurrentDir call. "
                             "The option -write_absolute_path will have no effect\n");
            write_absolute_path = FALSE;
        }
    }

/* -------------------------------------------------------------------- */
/*      loop over GDAL files, processing.                               */
/* -------------------------------------------------------------------- */
    for( ; i_arg < argc; i_arg++ )
    {
        GDALDatasetH	hDS;
        double	        adfGeoTransform[6];
        double		adfX[5], adfY[5];
        int		nXSize, nYSize;
        char* fileNameToWrite;
        const char* projectionRef;
        VSIStatBuf sStatBuf;
        int k;
        OGRFeatureH hFeature;
        OGRGeometryH hPoly, hRing;

        /* Make sure it is a file before building absolute path name */
        if (write_absolute_path && CPLIsFilenameRelative( argv[i_arg] ) &&
            VSIStat( argv[i_arg], &sStatBuf ) == 0)
        {
            fileNameToWrite = CPLStrdup(CPLProjectRelativeFilename(current_path, argv[i_arg]));
        }
        else
        {
            fileNameToWrite = CPLStrdup(argv[i_arg]);
        }

        /* Checks that file is not already in tileindex */
        for(i=0;i<nExistingFiles;i++)
        {
            if (EQUAL(fileNameToWrite, existingFilesTab[i]))
            {
                fprintf(stderr, "File %s is already in tileindex. Skipping it.\n",
                        fileNameToWrite);
                break;
            }
        }
        if (i != nExistingFiles)
        {
            CPLFree(fileNameToWrite);
            continue;
        }

        hDS = GDALOpen( argv[i_arg], GA_ReadOnly );
        if( hDS == NULL )
        {
            fprintf( stderr, "Unable to open %s, skipping.\n", 
                     argv[i_arg] );
            CPLFree(fileNameToWrite);
            continue;
        }

        GDALGetGeoTransform( hDS, adfGeoTransform );
        if( adfGeoTransform[0] == 0.0 
            && adfGeoTransform[1] == 1.0
            && adfGeoTransform[3] == 0.0
            && ABS(adfGeoTransform[5]) == 1.0 )
        {
            fprintf( stderr, 
                     "It appears no georeferencing is available for\n"
                     "`%s', skipping.\n", 
                     argv[i_arg] );
            GDALClose( hDS );
            CPLFree(fileNameToWrite);
            continue;
        }

        projectionRef = GDALGetProjectionRef(hDS);

        /* if not set target srs, test that the current file uses same projection as others */
        if( !bSetTargetSRS )
        { 
            if (alreadyExistingProjectionRefValid)
            {
                int projectionRefNotNull, alreadyExistingProjectionRefNotNull;
                projectionRefNotNull = projectionRef && projectionRef[0];
                alreadyExistingProjectionRefNotNull = alreadyExistingProjectionRef && alreadyExistingProjectionRef[0];
                if ((projectionRefNotNull &&
                     alreadyExistingProjectionRefNotNull &&
                     EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) ||
                    (projectionRefNotNull != alreadyExistingProjectionRefNotNull))
                {
                    fprintf(stderr, "Warning : %s is not using the same projection system as "
                            "other files in the tileindex.\n"
			    "This may cause problems when using it in MapServer for example.\n"
                            "Use -t_srs option to set target projection system (not supported by MapServer).\n"
                            "%s\n", argv[i_arg],
                            (skip_different_projection) ? "Skipping this file." : "");
                    if (skip_different_projection)
                    {
                        CPLFree(fileNameToWrite);
                        GDALClose( hDS );
                        continue;
                    }
                }
            }
            else
            {
                alreadyExistingProjectionRefValid = TRUE;
                alreadyExistingProjectionRef = CPLStrdup(projectionRef);
            }
        }

        nXSize = GDALGetRasterXSize( hDS );
        nYSize = GDALGetRasterYSize( hDS );
        
        adfX[0] = adfGeoTransform[0] 
            + 0 * adfGeoTransform[1] 
            + 0 * adfGeoTransform[2];
        adfY[0] = adfGeoTransform[3] 
            + 0 * adfGeoTransform[4] 
            + 0 * adfGeoTransform[5];
        
        adfX[1] = adfGeoTransform[0] 
            + nXSize * adfGeoTransform[1] 
            + 0 * adfGeoTransform[2];
        adfY[1] = adfGeoTransform[3] 
            + nXSize * adfGeoTransform[4] 
            + 0 * adfGeoTransform[5];
        
        adfX[2] = adfGeoTransform[0] 
            + nXSize * adfGeoTransform[1] 
            + nYSize * adfGeoTransform[2];
        adfY[2] = adfGeoTransform[3] 
            + nXSize * adfGeoTransform[4] 
            + nYSize * adfGeoTransform[5];
        
        adfX[3] = adfGeoTransform[0] 
            + 0 * adfGeoTransform[1] 
            + nYSize * adfGeoTransform[2];
        adfY[3] = adfGeoTransform[3] 
            + 0 * adfGeoTransform[4] 
            + nYSize * adfGeoTransform[5];
        
        adfX[4] = adfGeoTransform[0] 
            + 0 * adfGeoTransform[1] 
            + 0 * adfGeoTransform[2];
        adfY[4] = adfGeoTransform[3] 
            + 0 * adfGeoTransform[4] 
            + 0 * adfGeoTransform[5];

        /* if set target srs, do the forward transformation of all points */
        if( bSetTargetSRS )
        {
            OGRSpatialReferenceH hSourceSRS = NULL;
            OGRCoordinateTransformationH hCT = NULL;
            hSourceSRS = OSRNewSpatialReference( projectionRef );
            if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) )
            {
                hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS );
                if( hCT == NULL || !OCTTransform( hCT, 5, adfX, adfY, NULL ) )
                {
                    fprintf( stderr, 
                             "Warning : unable to transform points from source SRS `%s' to target SRS `%s'\n"
                             "for file `%s' - file skipped\n", 
                             projectionRef, pszTargetSRS, fileNameToWrite );
                    if ( hCT ) 
                        OCTDestroyCoordinateTransformation( hCT );
                    if ( hSourceSRS )
                        OSRDestroySpatialReference( hSourceSRS );
                    continue;
                }
                if ( hCT ) 
                    OCTDestroyCoordinateTransformation( hCT );
            }
            if ( hSourceSRS )
                OSRDestroySpatialReference( hSourceSRS );
        }

        hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) );
        OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite );

        hPoly = OGR_G_CreateGeometry(wkbPolygon);
        hRing = OGR_G_CreateGeometry(wkbLinearRing);
        for(k=0;k<5;k++)
            OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]);
        OGR_G_AddGeometryDirectly( hPoly, hRing );
        OGR_F_SetGeometryDirectly( hFeature, hPoly );

        if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE )
        {
           printf( "Failed to create feature in shapefile.\n" );
           break;
        }

        OGR_F_Destroy( hFeature );

        
        CPLFree(fileNameToWrite);

        GDALClose( hDS );
    }
    
    CPLFree(current_path);
    
    if (nExistingFiles)
    {
        for(i=0;i<nExistingFiles;i++)
        {
            CPLFree(existingFilesTab[i]);
        }
        CPLFree(existingFilesTab);
    }
    CPLFree(alreadyExistingProjectionRef);

    if ( hTargetSRS )
        OSRDestroySpatialReference( hTargetSRS );

    OGR_DS_Destroy( hTileIndexDS );
    
    GDALDestroyDriverManager();
    OGRCleanupAll();
    CSLDestroy(argv);
    
    exit( 0 );
} 
Beispiel #17
0
int main( int argc, char ** argv )

{
    GDALDatasetH	hDataset;
    GDALRasterBandH	hBand;
    int			i, iBand;
    double		adfGeoTransform[6];
    GDALDriverH		hDriver;
    char		**papszMetadata;
    int                 bComputeMinMax = FALSE, bSample = FALSE;
    int                 bShowGCPs = TRUE, bShowMetadata = TRUE, bShowRAT=TRUE;
    int                 bStats = FALSE, bApproxStats = TRUE, iMDD;
    int                 bShowColorTable = TRUE, bComputeChecksum = FALSE;
    int                 bReportHistograms = FALSE;
    const char          *pszFilename = NULL;
    char              **papszExtraMDDomains = NULL, **papszFileList;
    const char  *pszProjection = NULL;
    OGRCoordinateTransformationH hTransform = NULL;

    /* Check that we are running against at least GDAL 1.5 */
    /* Note to developers : if we use newer API, please change the requirement */
    if (atoi(GDALVersionInfo("VERSION_NUM")) < 1500)
    {
        fprintf(stderr, "At least, GDAL >= 1.5.0 is required for this version of %s, "
                "which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME);
        exit(1);
    }


    /* Must process GDAL_SKIP before GDALAllRegister(), but we can't call */
    /* GDALGeneralCmdLineProcessor before it needs the drivers to be registered */
    /* for the --format or --formats options */
    for( i = 1; i < argc; i++ )
    {
        if( EQUAL(argv[i],"--config") && i + 2 < argc && EQUAL(argv[i + 1], "GDAL_SKIP") )
        {
            CPLSetConfigOption( argv[i+1], argv[i+2] );

            i += 2;
        }
    }

    GDALAllRegister();

    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    for( i = 1; i < argc; i++ )
    {
        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(argv[i], "-mm") )
            bComputeMinMax = TRUE;
        else if( EQUAL(argv[i], "-hist") )
            bReportHistograms = TRUE;
        else if( EQUAL(argv[i], "-stats") )
        {
            bStats = TRUE;
            bApproxStats = FALSE;
        }
        else if( EQUAL(argv[i], "-approx_stats") )
        {
            bStats = TRUE;
            bApproxStats = TRUE;
        }
        else if( EQUAL(argv[i], "-sample") )
            bSample = TRUE;
        else if( EQUAL(argv[i], "-checksum") )
            bComputeChecksum = TRUE;
        else if( EQUAL(argv[i], "-nogcp") )
            bShowGCPs = FALSE;
        else if( EQUAL(argv[i], "-nomd") )
            bShowMetadata = FALSE;
        else if( EQUAL(argv[i], "-norat") )
            bShowRAT = FALSE;
        else if( EQUAL(argv[i], "-noct") )
            bShowColorTable = FALSE;
        else if( EQUAL(argv[i], "-mdd") && i < argc-1 )
            papszExtraMDDomains = CSLAddString( papszExtraMDDomains,
                                                argv[++i] );
        else if( argv[i][0] == '-' )
            Usage();
        else if( pszFilename == NULL )
            pszFilename = argv[i];
        else
            Usage();
    }

    if( pszFilename == NULL )
        Usage();

/* -------------------------------------------------------------------- */
/*      Open dataset.                                                   */
/* -------------------------------------------------------------------- */
    hDataset = GDALOpen( pszFilename, GA_ReadOnly );
    
    if( hDataset == NULL )
    {
        fprintf( stderr,
                 "gdalinfo failed - unable to open '%s'.\n",
                 pszFilename );

        CSLDestroy( argv );
    
        GDALDumpOpenDatasets( stderr );

        GDALDestroyDriverManager();

        CPLDumpSharedList( NULL );

        exit( 1 );
    }
    
/* -------------------------------------------------------------------- */
/*      Report general info.                                            */
/* -------------------------------------------------------------------- */
    hDriver = GDALGetDatasetDriver( hDataset );
    printf( "Driver: %s/%s\n",
            GDALGetDriverShortName( hDriver ),
            GDALGetDriverLongName( hDriver ) );

    papszFileList = GDALGetFileList( hDataset );
    if( CSLCount(papszFileList) == 0 )
    {
        printf( "Files: none associated\n" );
    }
    else
    {
        printf( "Files: %s\n", papszFileList[0] );
        for( i = 1; papszFileList[i] != NULL; i++ )
            printf( "       %s\n", papszFileList[i] );
    }
    CSLDestroy( papszFileList );

    printf( "Size is %d, %d\n",
            GDALGetRasterXSize( hDataset ), 
            GDALGetRasterYSize( hDataset ) );

/* -------------------------------------------------------------------- */
/*      Report projection.                                              */
/* -------------------------------------------------------------------- */
    if( GDALGetProjectionRef( hDataset ) != NULL )
    {
        OGRSpatialReferenceH  hSRS;
        char		      *pszProjection;

        pszProjection = (char *) GDALGetProjectionRef( hDataset );

        hSRS = OSRNewSpatialReference(NULL);
        if( OSRImportFromWkt( hSRS, &pszProjection ) == CE_None )
        {
            char	*pszPrettyWkt = NULL;

            OSRExportToPrettyWkt( hSRS, &pszPrettyWkt, FALSE );
            printf( "Coordinate System is:\n%s\n", pszPrettyWkt );
            CPLFree( pszPrettyWkt );
        }
        else
            printf( "Coordinate System is `%s'\n",
                    GDALGetProjectionRef( hDataset ) );

        OSRDestroySpatialReference( hSRS );
    }

/* -------------------------------------------------------------------- */
/*      Report Geotransform.                                            */
/* -------------------------------------------------------------------- */
    if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
    {
        if( adfGeoTransform[2] == 0.0 && adfGeoTransform[4] == 0.0 )
        {
            printf( "Origin = (%.15f,%.15f)\n",
                    adfGeoTransform[0], adfGeoTransform[3] );

            printf( "Pixel Size = (%.15f,%.15f)\n",
                    adfGeoTransform[1], adfGeoTransform[5] );
        }
        else
            printf( "GeoTransform =\n"
                    "  %.16g, %.16g, %.16g\n"
                    "  %.16g, %.16g, %.16g\n", 
                    adfGeoTransform[0],
                    adfGeoTransform[1],
                    adfGeoTransform[2],
                    adfGeoTransform[3],
                    adfGeoTransform[4],
                    adfGeoTransform[5] );
    }

/* -------------------------------------------------------------------- */
/*      Report GCPs.                                                    */
/* -------------------------------------------------------------------- */
    if( bShowGCPs && GDALGetGCPCount( hDataset ) > 0 )
    {
        if (GDALGetGCPProjection(hDataset) != NULL)
        {
            OGRSpatialReferenceH  hSRS;
            char		      *pszProjection;

            pszProjection = (char *) GDALGetGCPProjection( hDataset );

            hSRS = OSRNewSpatialReference(NULL);
            if( OSRImportFromWkt( hSRS, &pszProjection ) == CE_None )
            {
                char	*pszPrettyWkt = NULL;

                OSRExportToPrettyWkt( hSRS, &pszPrettyWkt, FALSE );
                printf( "GCP Projection = \n%s\n", pszPrettyWkt );
                CPLFree( pszPrettyWkt );
            }
            else
                printf( "GCP Projection = %s\n",
                        GDALGetGCPProjection( hDataset ) );

            OSRDestroySpatialReference( hSRS );
        }

        for( i = 0; i < GDALGetGCPCount(hDataset); i++ )
        {
            const GDAL_GCP	*psGCP;
            
            psGCP = GDALGetGCPs( hDataset ) + i;

            printf( "GCP[%3d]: Id=%s, Info=%s\n"
                    "          (%.15g,%.15g) -> (%.15g,%.15g,%.15g)\n", 
                    i, psGCP->pszId, psGCP->pszInfo, 
                    psGCP->dfGCPPixel, psGCP->dfGCPLine, 
                    psGCP->dfGCPX, psGCP->dfGCPY, psGCP->dfGCPZ );
        }
    }

/* -------------------------------------------------------------------- */
/*      Report metadata.                                                */
/* -------------------------------------------------------------------- */
    papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, NULL ) : NULL;
    if( bShowMetadata && CSLCount(papszMetadata) > 0 )
    {
        printf( "Metadata:\n" );
        for( i = 0; papszMetadata[i] != NULL; i++ )
        {
            printf( "  %s\n", papszMetadata[i] );
        }
    }

    for( iMDD = 0; bShowMetadata && iMDD < CSLCount(papszExtraMDDomains); iMDD++ )
    {
        papszMetadata = GDALGetMetadata( hDataset, papszExtraMDDomains[iMDD] );
        if( CSLCount(papszMetadata) > 0 )
        {
            printf( "Metadata (%s):\n", papszExtraMDDomains[iMDD]);
            for( i = 0; papszMetadata[i] != NULL; i++ )
            {
                printf( "  %s\n", papszMetadata[i] );
            }
        }
    }

/* -------------------------------------------------------------------- */
/*      Report "IMAGE_STRUCTURE" metadata.                              */
/* -------------------------------------------------------------------- */
    papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "IMAGE_STRUCTURE" ) : NULL;
    if( bShowMetadata && CSLCount(papszMetadata) > 0 )
    {
        printf( "Image Structure Metadata:\n" );
        for( i = 0; papszMetadata[i] != NULL; i++ )
        {
            printf( "  %s\n", papszMetadata[i] );
        }
    }

/* -------------------------------------------------------------------- */
/*      Report subdatasets.                                             */
/* -------------------------------------------------------------------- */
    papszMetadata = GDALGetMetadata( hDataset, "SUBDATASETS" );
    if( CSLCount(papszMetadata) > 0 )
    {
        printf( "Subdatasets:\n" );
        for( i = 0; papszMetadata[i] != NULL; i++ )
        {
            printf( "  %s\n", papszMetadata[i] );
        }
    }

/* -------------------------------------------------------------------- */
/*      Report geolocation.                                             */
/* -------------------------------------------------------------------- */
    papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "GEOLOCATION" ) : NULL;
    if( bShowMetadata && CSLCount(papszMetadata) > 0 )
    {
        printf( "Geolocation:\n" );
        for( i = 0; papszMetadata[i] != NULL; i++ )
        {
            printf( "  %s\n", papszMetadata[i] );
        }
    }

/* -------------------------------------------------------------------- */
/*      Report RPCs                                                     */
/* -------------------------------------------------------------------- */
    papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "RPC" ) : NULL;
    if( bShowMetadata && CSLCount(papszMetadata) > 0 )
    {
        printf( "RPC Metadata:\n" );
        for( i = 0; papszMetadata[i] != NULL; i++ )
        {
            printf( "  %s\n", papszMetadata[i] );
        }
    }

/* -------------------------------------------------------------------- */
/*      Setup projected to lat/long transform if appropriate.           */
/* -------------------------------------------------------------------- */
    if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
        pszProjection = GDALGetProjectionRef(hDataset);

    if( pszProjection != NULL && strlen(pszProjection) > 0 )
    {
        OGRSpatialReferenceH hProj, hLatLong = NULL;

        hProj = OSRNewSpatialReference( pszProjection );
        if( hProj != NULL )
            hLatLong = OSRCloneGeogCS( hProj );

        if( hLatLong != NULL )
        {
            CPLPushErrorHandler( CPLQuietErrorHandler );
            hTransform = OCTNewCoordinateTransformation( hProj, hLatLong );
            CPLPopErrorHandler();
            
            OSRDestroySpatialReference( hLatLong );
        }

        if( hProj != NULL )
            OSRDestroySpatialReference( hProj );
    }

/* -------------------------------------------------------------------- */
/*      Report corners.                                                 */
/* -------------------------------------------------------------------- */
    printf( "Corner Coordinates:\n" );
    GDALInfoReportCorner( hDataset, hTransform, "Upper Left", 
                          0.0, 0.0 );
    GDALInfoReportCorner( hDataset, hTransform, "Lower Left", 
                          0.0, GDALGetRasterYSize(hDataset));
    GDALInfoReportCorner( hDataset, hTransform, "Upper Right", 
                          GDALGetRasterXSize(hDataset), 0.0 );
    GDALInfoReportCorner( hDataset, hTransform, "Lower Right", 
                          GDALGetRasterXSize(hDataset), 
                          GDALGetRasterYSize(hDataset) );
    GDALInfoReportCorner( hDataset, hTransform, "Center", 
                          GDALGetRasterXSize(hDataset)/2.0, 
                          GDALGetRasterYSize(hDataset)/2.0 );

    if( hTransform != NULL )
    {
        OCTDestroyCoordinateTransformation( hTransform );
        hTransform = NULL;
    }
    
/* ==================================================================== */
/*      Loop over bands.                                                */
/* ==================================================================== */
    for( iBand = 0; iBand < GDALGetRasterCount( hDataset ); iBand++ )
    {
        double      dfMin, dfMax, adfCMinMax[2], dfNoData;
        int         bGotMin, bGotMax, bGotNodata, bSuccess;
        int         nBlockXSize, nBlockYSize, nMaskFlags;
        double      dfMean, dfStdDev;
        GDALColorTableH	hTable;
        CPLErr      eErr;

        hBand = GDALGetRasterBand( hDataset, iBand+1 );

        if( bSample )
        {
            float afSample[10000];
            int   nCount;

            nCount = GDALGetRandomRasterSample( hBand, 10000, afSample );
            printf( "Got %d samples.\n", nCount );
        }
        
        GDALGetBlockSize( hBand, &nBlockXSize, &nBlockYSize );
        printf( "Band %d Block=%dx%d Type=%s, ColorInterp=%s\n", iBand+1,
                nBlockXSize, nBlockYSize,
                GDALGetDataTypeName(
                    GDALGetRasterDataType(hBand)),
                GDALGetColorInterpretationName(
                    GDALGetRasterColorInterpretation(hBand)) );

        if( GDALGetDescription( hBand ) != NULL 
            && strlen(GDALGetDescription( hBand )) > 0 )
            printf( "  Description = %s\n", GDALGetDescription(hBand) );

        dfMin = GDALGetRasterMinimum( hBand, &bGotMin );
        dfMax = GDALGetRasterMaximum( hBand, &bGotMax );
        if( bGotMin || bGotMax || bComputeMinMax )
        {
            printf( "  " );
            if( bGotMin )
                printf( "Min=%.3f ", dfMin );
            if( bGotMax )
                printf( "Max=%.3f ", dfMax );
        
            if( bComputeMinMax )
            {
                CPLErrorReset();
                GDALComputeRasterMinMax( hBand, FALSE, adfCMinMax );
                if (CPLGetLastErrorType() == CE_None)
                {
                  printf( "  Computed Min/Max=%.3f,%.3f", 
                          adfCMinMax[0], adfCMinMax[1] );
                }
            }

            printf( "\n" );
        }

        eErr = GDALGetRasterStatistics( hBand, bApproxStats, bStats, 
                                        &dfMin, &dfMax, &dfMean, &dfStdDev );
        if( eErr == CE_None )
        {
            printf( "  Minimum=%.3f, Maximum=%.3f, Mean=%.3f, StdDev=%.3f\n",
                    dfMin, dfMax, dfMean, dfStdDev );
        }

        if( bReportHistograms )
        {
            int nBucketCount, *panHistogram = NULL;

            eErr = GDALGetDefaultHistogram( hBand, &dfMin, &dfMax, 
                                            &nBucketCount, &panHistogram, 
                                            TRUE, GDALTermProgress, NULL );
            if( eErr == CE_None )
            {
                int iBucket;

                printf( "  %d buckets from %g to %g:\n  ",
                        nBucketCount, dfMin, dfMax );
                for( iBucket = 0; iBucket < nBucketCount; iBucket++ )
                    printf( "%d ", panHistogram[iBucket] );
                printf( "\n" );
                CPLFree( panHistogram );
            }
        }

        if ( bComputeChecksum)
        {
            printf( "  Checksum=%d\n",
                    GDALChecksumImage(hBand, 0, 0,
                                      GDALGetRasterXSize(hDataset),
                                      GDALGetRasterYSize(hDataset)));
        }

        dfNoData = GDALGetRasterNoDataValue( hBand, &bGotNodata );
        if( bGotNodata )
        {
            printf( "  NoData Value=%.18g\n", dfNoData );
        }

        if( GDALGetOverviewCount(hBand) > 0 )
        {
            int		iOverview;

            printf( "  Overviews: " );
            for( iOverview = 0; 
                 iOverview < GDALGetOverviewCount(hBand);
                 iOverview++ )
            {
                GDALRasterBandH	hOverview;
                const char *pszResampling = NULL;

                if( iOverview != 0 )
                    printf( ", " );

                hOverview = GDALGetOverview( hBand, iOverview );
                printf( "%dx%d", 
                        GDALGetRasterBandXSize( hOverview ),
                        GDALGetRasterBandYSize( hOverview ) );

                pszResampling = 
                    GDALGetMetadataItem( hOverview, "RESAMPLING", "" );

                if( pszResampling != NULL 
                    && EQUALN(pszResampling,"AVERAGE_BIT2",12) )
                    printf( "*" );
            }
            printf( "\n" );

            if ( bComputeChecksum)
            {
                printf( "  Overviews checksum: " );
                for( iOverview = 0; 
                    iOverview < GDALGetOverviewCount(hBand);
                    iOverview++ )
                {
                    GDALRasterBandH	hOverview;

                    if( iOverview != 0 )
                        printf( ", " );

                    hOverview = GDALGetOverview( hBand, iOverview );
                    printf( "%d",
                            GDALChecksumImage(hOverview, 0, 0,
                                      GDALGetRasterBandXSize(hOverview),
                                      GDALGetRasterBandYSize(hOverview)));
                }
                printf( "\n" );
            }
        }

        if( GDALHasArbitraryOverviews( hBand ) )
        {
            printf( "  Overviews: arbitrary\n" );
        }
        
        nMaskFlags = GDALGetMaskFlags( hBand );
        if( (nMaskFlags & (GMF_NODATA|GMF_ALL_VALID)) == 0 )
        {
            GDALRasterBandH hMaskBand = GDALGetMaskBand(hBand) ;

            printf( "  Mask Flags: " );
            if( nMaskFlags & GMF_PER_DATASET )
                printf( "PER_DATASET " );
            if( nMaskFlags & GMF_ALPHA )
                printf( "ALPHA " );
            if( nMaskFlags & GMF_NODATA )
                printf( "NODATA " );
            if( nMaskFlags & GMF_ALL_VALID )
                printf( "ALL_VALID " );
            printf( "\n" );

            if( hMaskBand != NULL &&
                GDALGetOverviewCount(hMaskBand) > 0 )
            {
                int		iOverview;

                printf( "  Overviews of mask band: " );
                for( iOverview = 0; 
                     iOverview < GDALGetOverviewCount(hMaskBand);
                     iOverview++ )
                {
                    GDALRasterBandH	hOverview;

                    if( iOverview != 0 )
                        printf( ", " );

                    hOverview = GDALGetOverview( hMaskBand, iOverview );
                    printf( "%dx%d", 
                            GDALGetRasterBandXSize( hOverview ),
                            GDALGetRasterBandYSize( hOverview ) );
                }
                printf( "\n" );
            }
        }

        if( strlen(GDALGetRasterUnitType(hBand)) > 0 )
        {
            printf( "  Unit Type: %s\n", GDALGetRasterUnitType(hBand) );
        }

        if( GDALGetRasterCategoryNames(hBand) != NULL )
        {
            char **papszCategories = GDALGetRasterCategoryNames(hBand);
            int i;

            printf( "  Categories:\n" );
            for( i = 0; papszCategories[i] != NULL; i++ )
                printf( "    %3d: %s\n", i, papszCategories[i] );
        }

        if( GDALGetRasterScale( hBand, &bSuccess ) != 1.0 
            || GDALGetRasterOffset( hBand, &bSuccess ) != 0.0 )
            printf( "  Offset: %.15g,   Scale:%.15g\n",
                    GDALGetRasterOffset( hBand, &bSuccess ),
                    GDALGetRasterScale( hBand, &bSuccess ) );

        papszMetadata = (bShowMetadata) ? GDALGetMetadata( hBand, NULL ) : NULL;
        if( bShowMetadata && CSLCount(papszMetadata) > 0 )
        {
            printf( "  Metadata:\n" );
            for( i = 0; papszMetadata[i] != NULL; i++ )
            {
                printf( "    %s\n", papszMetadata[i] );
            }
        }

        papszMetadata = (bShowMetadata) ? GDALGetMetadata( hBand, "IMAGE_STRUCTURE" ) : NULL;
        if( bShowMetadata && CSLCount(papszMetadata) > 0 )
        {
            printf( "  Image Structure Metadata:\n" );
            for( i = 0; papszMetadata[i] != NULL; i++ )
            {
                printf( "    %s\n", papszMetadata[i] );
            }
        }

        if( GDALGetRasterColorInterpretation(hBand) == GCI_PaletteIndex 
            && (hTable = GDALGetRasterColorTable( hBand )) != NULL )
        {
            int			i;

            printf( "  Color Table (%s with %d entries)\n", 
                    GDALGetPaletteInterpretationName(
                        GDALGetPaletteInterpretation( hTable )), 
                    GDALGetColorEntryCount( hTable ) );

            if (bShowColorTable)
            {
                for( i = 0; i < GDALGetColorEntryCount( hTable ); i++ )
                {
                    GDALColorEntry	sEntry;
    
                    GDALGetColorEntryAsRGB( hTable, i, &sEntry );
                    printf( "  %3d: %d,%d,%d,%d\n", 
                            i, 
                            sEntry.c1,
                            sEntry.c2,
                            sEntry.c3,
                            sEntry.c4 );
                }
            }
        }

        if( bShowRAT && GDALGetDefaultRAT( hBand ) != NULL )
        {
            GDALRasterAttributeTableH hRAT = GDALGetDefaultRAT( hBand );
            
            GDALRATDumpReadable( hRAT, NULL );
        }
    }

    GDALClose( hDataset );
    
    CSLDestroy( papszExtraMDDomains );
    CSLDestroy( argv );
    
    GDALDumpOpenDatasets( stderr );

    GDALDestroyDriverManager();

    CPLDumpSharedList( NULL );
    CPLCleanupTLS();

    exit( 0 );
}
Beispiel #18
0
int main( int argc, char ** argv )

{
    GDALDatasetH	hDataset, hOutDS;
    int			i;
    const char		*pszSource=NULL, *pszDest=NULL, *pszFormat = "GTiff";
    GDALDriverH		hDriver;
    GDALDataType	eOutputType = GDT_Unknown;
    char                **papszCreateOptions = NULL;
    GDALProgressFunc    pfnProgress = GDALTermProgress;
    int                 nLUTBins = 256;
    const char         *pszMethod = "minmax";
//    double              dfStdDevMult = 0.0;
    double             *padfScaleMin = NULL;
    double             *padfScaleMax = NULL;
    int               **papanLUTs = NULL;
    int                 iBand;
    const char         *pszConfigFile = NULL;

    /* Check strict compilation and runtime library version as we use C++ API */
    if (! GDAL_CHECK_VERSION(argv[0]))
        exit(1);
/* -------------------------------------------------------------------- */
/*      Register standard GDAL drivers, and process generic GDAL        */
/*      command options.                                                */
/* -------------------------------------------------------------------- */
    GDALAllRegister();
    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Handle command line arguments.                                  */
/* -------------------------------------------------------------------- */
    for( i = 1; i < argc; i++ )
    {
        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(argv[i],"-of") && i < argc-1 )
            pszFormat = argv[++i];

        else if( EQUAL(argv[i],"-ot") && i < argc-1 )
        {
            int	iType;
            
            for( iType = 1; iType < GDT_TypeCount; iType++ )
            {
                if( GDALGetDataTypeName((GDALDataType)iType) != NULL
                    && EQUAL(GDALGetDataTypeName((GDALDataType)iType),
                             argv[i+1]) )
                {
                    eOutputType = (GDALDataType) iType;
                }
            }

            if( eOutputType == GDT_Unknown )
            {
                printf( "Unknown output pixel type: %s\n", argv[i+1] );
                Usage();
                GDALDestroyDriverManager();
                exit( 2 );
            }
            i++;
        }

        else if( EQUALN(argv[i],"-s_nodata",9) )
        {
            // TODO
            i += 1;
        }   

        else if( EQUAL(argv[i],"-co") && i < argc-1 )
        {
            papszCreateOptions = CSLAddString( papszCreateOptions, argv[++i] );
        }   

        else if( EQUALN(argv[i],"-src_scale",10) && i < argc-2)
        {
            // TODO
            i += 2;
        }

        else if( EQUALN(argv[i],"-dst_scale",10) && i < argc-2 )
        {
            // TODO
            i += 2;
        }

        else if( EQUAL(argv[i],"-config") && i < argc-1 )
        {
            pszConfigFile = argv[++i];
        }

        else if( EQUAL(argv[i],"-equalize") )
        {
            pszMethod = "equalize";
        }

        else if( EQUAL(argv[i],"-quiet") )
        {
            pfnProgress = GDALDummyProgress;
        }

        else if( argv[i][0] == '-' )
        {
            printf( "Option %s incomplete, or not recognised.\n\n", 
                    argv[i] );
            Usage();
            GDALDestroyDriverManager();
            exit( 2 );
        }
        else if( pszSource == NULL )
        {
            pszSource = argv[i];
        }
        else if( pszDest == NULL )
        {
            pszDest = argv[i];
        }

        else
        {
            printf( "Too many command options.\n\n" );
            Usage();
            GDALDestroyDriverManager();
            exit( 2 );
        }
    }

    if( pszSource == NULL )
    {
        Usage();
        GDALDestroyDriverManager();
        exit( 10 );
    }

/* -------------------------------------------------------------------- */
/*      Attempt to open source file.                                    */
/* -------------------------------------------------------------------- */

    hDataset = GDALOpenShared( pszSource, GA_ReadOnly );
    
    if( hDataset == NULL )
    {
        fprintf( stderr,
                 "GDALOpen failed - %d\n%s\n",
                 CPLGetLastErrorNo(), CPLGetLastErrorMsg() );
        GDALDestroyDriverManager();
        exit( 1 );
    }

    int nBandCount = GDALGetRasterCount(hDataset);

/* -------------------------------------------------------------------- */
/*      Find the output driver.                                         */
/* -------------------------------------------------------------------- */
    hDriver = GDALGetDriverByName( pszFormat );
    if( hDriver == NULL )
    {
        int	iDr;
        
        printf( "Output driver `%s' not recognised.\n", pszFormat );
        printf( "The following format drivers are configured and support output:\n" );
        for( iDr = 0; iDr < GDALGetDriverCount(); iDr++ )
        {
            GDALDriverH hDriver = GDALGetDriver(iDr);

            if( GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, NULL ) != NULL
                || GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATECOPY,
                                        NULL ) != NULL )
            {
                printf( "  %s: %s\n",
                        GDALGetDriverShortName( hDriver  ),
                        GDALGetDriverLongName( hDriver ) );
            }
        }
        printf( "\n" );
        Usage();
        
        GDALClose( hDataset );
        GDALDestroyDriverManager();
        CSLDestroy( argv );
        CSLDestroy( papszCreateOptions );
        exit( 1 );
    }

/* -------------------------------------------------------------------- */
/*      If histogram equalization is requested, do it now.              */
/* -------------------------------------------------------------------- */
    if( EQUAL(pszMethod,"equalize") )
    {
        ComputeEqualizationLUTs( hDataset, nLUTBins, 
                                 &padfScaleMin, &padfScaleMax, 
                                 &papanLUTs, pfnProgress );
    }

/* -------------------------------------------------------------------- */
/*      If we have a config file, assume it is for input and read       */
/*      it.                                                             */
/* -------------------------------------------------------------------- */
    else if( pszConfigFile != NULL )
    {
        char **papszLines = CSLLoad( pszConfigFile );
        if( CSLCount(papszLines) == 0 )
            exit( 1 );

        if( CSLCount(papszLines) != nBandCount )
        {
            fprintf( stderr, "Did not get %d lines in config file as expected.\n", nBandCount );
            exit( 1 );
        }

        padfScaleMin = (double *) CPLCalloc(nBandCount,sizeof(double));
        padfScaleMax = (double *) CPLCalloc(nBandCount,sizeof(double));

        for( iBand = 0; iBand < nBandCount; iBand++ )
        {
            int iLUT;
            char **papszTokens = CSLTokenizeString( papszLines[iBand] );

            if( CSLCount(papszTokens) < 3 
                || atoi(papszTokens[0]) != iBand+1 )
            {
                fprintf( stderr, "Line %d seems to be corrupt.\n", iBand+1 );
                exit( 1 );
            }

            // Process scale min/max

            padfScaleMin[iBand] = atof(papszTokens[1]);
            padfScaleMax[iBand] = atof(papszTokens[2]);

            if( CSLCount(papszTokens) == 3 )
                continue;

            // process lut
            if( iBand == 0 )
            {
                nLUTBins = CSLCount(papszTokens) - 3;
                papanLUTs = (int **) CPLCalloc(sizeof(int*),nBandCount);
            }

            papanLUTs[iBand] = (int *) CPLCalloc(nLUTBins,sizeof(int));

            for( iLUT = 0; iLUT < nLUTBins; iLUT++ )
                papanLUTs[iBand][iLUT] = atoi(papszTokens[iLUT+3]);

            CSLDestroy( papszTokens );
        }
    }

/* -------------------------------------------------------------------- */
/*      If there is no destination, just report the scaling values      */
/*      and luts.                                                       */
/* -------------------------------------------------------------------- */
    if( pszDest == NULL )
    {
        FILE *fpConfig = stdout;
        if( pszConfigFile )
            fpConfig = fopen( pszConfigFile, "w" );
        
        for( iBand = 0; iBand < nBandCount; iBand++ )
        {
            fprintf( fpConfig, "%d:Band ", iBand+1 );
            if( padfScaleMin != NULL )
                fprintf( fpConfig, "%g:ScaleMin %g:ScaleMax ", 
                         padfScaleMin[iBand], padfScaleMax[iBand] );

            if( papanLUTs )
            {
                int iLUT;

                for( iLUT = 0; iLUT < nLUTBins; iLUT++ )
                    fprintf( fpConfig, "%d ", papanLUTs[iBand][iLUT] );
            }
            fprintf( fpConfig, "\n" );
        }

        if( pszConfigFile )
            fclose( fpConfig );

        exit( 0 );
    }

    if (padfScaleMin == NULL || padfScaleMax == NULL)
    {
        fprintf( stderr, "-equalize or -config filename command line options must be specified.\n");
        exit(1);
    }

/* ==================================================================== */
/*      Create a virtual dataset.                                       */
/* ==================================================================== */
    VRTDataset *poVDS;
    EnhanceCBInfo *pasEInfo = (EnhanceCBInfo *) 
        CPLCalloc(nBandCount, sizeof(EnhanceCBInfo));
        
/* -------------------------------------------------------------------- */
/*      Make a virtual clone.                                           */
/* -------------------------------------------------------------------- */
    poVDS = new VRTDataset( GDALGetRasterXSize(hDataset),
                            GDALGetRasterYSize(hDataset) );

    if( GDALGetGCPCount(hDataset) == 0 )
    {
        const char *pszProjection;
        double adfGeoTransform[6];

        pszProjection = GDALGetProjectionRef( hDataset );
        if( pszProjection != NULL && strlen(pszProjection) > 0 )
            poVDS->SetProjection( pszProjection );

        if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
            poVDS->SetGeoTransform( adfGeoTransform );
    }
    else
    {
        poVDS->SetGCPs( GDALGetGCPCount(hDataset), 
                        GDALGetGCPs(hDataset),
                        GDALGetGCPProjection( hDataset ) );
    }
    
    poVDS->SetMetadata( ((GDALDataset*)hDataset)->GetMetadata() );

    for( iBand = 0; iBand < nBandCount; iBand++ )
    {
        VRTSourcedRasterBand   *poVRTBand;
        GDALRasterBand  *poSrcBand;
        GDALDataType    eBandType;

        poSrcBand = ((GDALDataset *) hDataset)->GetRasterBand(iBand+1);

/* -------------------------------------------------------------------- */
/*      Select output data type to match source.                        */
/* -------------------------------------------------------------------- */
        if( eOutputType == GDT_Unknown )
            eBandType = GDT_Byte;
        else
            eBandType = eOutputType;

/* -------------------------------------------------------------------- */
/*      Create this band.                                               */
/* -------------------------------------------------------------------- */
        poVDS->AddBand( eBandType, NULL );
        poVRTBand = (VRTSourcedRasterBand *) poVDS->GetRasterBand( iBand+1 );
            
/* -------------------------------------------------------------------- */
/*      Create a function based source with info on how to apply the    */
/*      enhancement.                                                    */
/* -------------------------------------------------------------------- */
        pasEInfo[iBand].poSrcBand = poSrcBand;
        pasEInfo[iBand].eWrkType = eBandType;
        pasEInfo[iBand].dfScaleMin = padfScaleMin[iBand];
        pasEInfo[iBand].dfScaleMax = padfScaleMax[iBand];
        pasEInfo[iBand].nLUTBins = nLUTBins;

        if( papanLUTs )
            pasEInfo[iBand].panLUT = papanLUTs[iBand];
        
        poVRTBand->AddFuncSource( EnhancerCallback, pasEInfo + iBand );

/* -------------------------------------------------------------------- */
/*      copy over some other information of interest.                   */
/* -------------------------------------------------------------------- */
        poVRTBand->CopyCommonInfoFrom( poSrcBand );
    }

/* -------------------------------------------------------------------- */
/*      Write to the output file using CopyCreate().                    */
/* -------------------------------------------------------------------- */
    hOutDS = GDALCreateCopy( hDriver, pszDest, (GDALDatasetH) poVDS,
                             FALSE, papszCreateOptions, 
                             pfnProgress, NULL );
    if( hOutDS != NULL )
        GDALClose( hOutDS );

    GDALClose( (GDALDatasetH) poVDS );
        
    GDALClose( hDataset );
    
/* -------------------------------------------------------------------- */
/*      Cleanup and exit.                                               */
/* -------------------------------------------------------------------- */
    GDALDumpOpenDatasets( stderr );
    GDALDestroyDriverManager();
    CSLDestroy( argv );
    CSLDestroy( papszCreateOptions );

    exit( 0 );
}
Beispiel #19
0
// build out_ds
static ERL_NIF_TERM gdal_nif_create_warped_vrtimg(ErlNifEnv* env, int argc,
                                          const ERL_NIF_TERM argv[])
{
    ErlNifBinary filenameBin;
    if (!enif_inspect_iolist_as_binary(env, argv[0], &filenameBin) || 
        (filenameBin.size >= FILENAME_LEN)) {
        return make_error_msg(env, "filename error, maybe too long");
    }

    char imgfilename[FILENAME_LEN] = "";
    size_t name_sz = filenameBin.size;
    memcpy(imgfilename, filenameBin.data, filenameBin.size);
    DEBUG("img filename: %s\r\n", imgfilename);

    int epsg_code;
    if (!enif_get_int(env, argv[1], &epsg_code)) {
        return enif_make_badarg(env);
    }

    GDALDatasetH in_ds = GDALOpenShared(imgfilename, GA_ReadOnly);
    if (in_ds == NULL) {
        const char* msg = "It is not possible to open the input file '%s'.";
        char errstr[name_sz + strlen(msg) + 1];
        sprintf(errstr, msg, imgfilename);
        return make_error_msg(env, errstr);
    }

    gdal_img_handle* handle = enif_alloc_resource(
                                            gdal_img_RESOURCE, 
                                            sizeof(gdal_img_handle));
    memset(handle, '\0', sizeof(*handle));
    handle->in_ds = in_ds;
    handle->options_resampling = "average";
    handle->querysize = 256 * 4;
    handle->tilesize = 256;

    int rasterCount = GDALGetRasterCount(in_ds);
    if (rasterCount == 0) {
        const char* msg = "Input file '%s' has no raster band";
        char errstr[name_sz + strlen(msg) + 1];
        sprintf(errstr, msg, imgfilename);

        destroy_img_handle(handle);
        return make_error_msg(env, errstr);
    }

    GDALRasterBandH hBand = GDALGetRasterBand(in_ds, 1);
    if (GDALGetRasterColorTable(hBand) != NULL) {
        const char* msg = 
            "Please convert this file to RGB/RGBA and run gdal2tiles on the result.\n" 
            "From paletted file you can create RGBA file (temp.vrt) by:\n"
            "gdal_translate -of vrt -expand rgba %s temp.vrt\n"
            "then run this program: gdal2tiles temp.vrt";
        char errstr[name_sz + strlen(msg) + 1];
        sprintf(errstr, msg, imgfilename);

        destroy_img_handle(handle);
        return make_error_msg(env, errstr);
    }

    double padfTransform[6];
    double errTransform[6] = {0.0, 1.0, 0.0, 0.0, 0.0, 1.0};
    GDALGetGeoTransform(in_ds, padfTransform);
    if (0 == memcmp(padfTransform, errTransform, sizeof(errTransform))
             && GDALGetGCPCount(in_ds) == 0) {
        destroy_img_handle(handle);
        return make_error_msg(env, 
                              "There is no georeference - "
                              "neither affine transformation (worldfile) nor GCPs");
    }

    const char* in_srs_wkt = GDALGetProjectionRef(in_ds);
    if (in_srs_wkt == NULL && GDALGetGCPCount(in_ds) != 0) {
        in_srs_wkt = GDALGetGCPProjection(in_ds);
    }
    char* out_srs_wkt = get_wkt_of(epsg_code);
    GDALDatasetH out_ds = GDALAutoCreateWarpedVRT(in_ds, 
                                                  in_srs_wkt, 
                                                  out_srs_wkt, 
                                                  GRA_NearestNeighbour, 
                                                  0.0, 
                                                  NULL);
    handle->out_ds = out_ds;
    OGRFree(out_srs_wkt);


    handle->alphaBand = GDALGetMaskBand(GDALGetRasterBand(handle->out_ds, 1));
    rasterCount = GDALGetRasterCount(handle->out_ds);
    unsigned int dataBandsCount;
    if (GDALGetMaskFlags(handle->alphaBand) & GMF_ALPHA || 
            rasterCount == 4 || rasterCount == 2) {
        dataBandsCount = rasterCount - 1;
    }
    else {
        dataBandsCount = rasterCount;
    }
    handle->dataBandsCount = dataBandsCount;
    handle->tilebands = dataBandsCount + 1;


    ERL_NIF_TERM imginfo = get_imginfo(env, out_ds);
    if (enif_compare(ATOM_ERROR, imginfo) == 0) {
        destroy_img_handle(handle);
        return make_error_msg(env,
                              "Georeference of the raster contains rotation or skew. "
                              "Such raster is not supported. "
                              "Please use gdalwarp first");
    }

    ERL_NIF_TERM imgref = enif_make_resource(env, handle);
    enif_release_resource(handle);

    return enif_make_tuple3(env, ATOM_OK, imgref, imginfo);
}
Beispiel #20
0
static int 
GDALInfoReportCorner( GDALDatasetH hDataset, 
                      const char * corner_name,
                      double x, double y )

{
    double	dfGeoX, dfGeoY;
    const char  *pszProjection;
    double	adfGeoTransform[6];
    OGRCoordinateTransformationH hTransform = NULL;
        
    printf( "%-11s ", corner_name );
    
/* -------------------------------------------------------------------- */
/*      Transform the point into georeferenced coordinates.             */
/* -------------------------------------------------------------------- */
    if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
    {
        pszProjection = GDALGetProjectionRef(hDataset);

        dfGeoX = adfGeoTransform[0] + adfGeoTransform[1] * x
            + adfGeoTransform[2] * y;
        dfGeoY = adfGeoTransform[3] + adfGeoTransform[4] * x
            + adfGeoTransform[5] * y;
    }

    else
    {
        printf( "(%7.1f,%7.1f)\n", x, y );
        return FALSE;
    }

/* -------------------------------------------------------------------- */
/*      Report the georeferenced coordinates.                           */
/* -------------------------------------------------------------------- */
    if( fabs(dfGeoX) < 181 && fabs(dfGeoY) < 91 )
    {
        printf( "(%12.7f,%12.7f) ", dfGeoX, dfGeoY );

    }
    else
    {
        printf( "(%12.3f,%12.3f) ", dfGeoX, dfGeoY );
    }

/* -------------------------------------------------------------------- */
/*      Setup transformation to lat/long.                               */
/* -------------------------------------------------------------------- */
    if( pszProjection != NULL && strlen(pszProjection) > 0 )
    {
        OGRSpatialReferenceH hProj, hLatLong = NULL;

        hProj = OSRNewSpatialReference( pszProjection );
        if( hProj != NULL )
            hLatLong = OSRCloneGeogCS( hProj );

        if( hLatLong != NULL )
        {
            hTransform = OCTNewCoordinateTransformation( hProj, hLatLong );
            OSRDestroySpatialReference( hLatLong );
        }

        if( hProj != NULL )
            OSRDestroySpatialReference( hProj );
    }

/* -------------------------------------------------------------------- */
/*      Transform to latlong and report.                                */
/* -------------------------------------------------------------------- */
    if( hTransform != NULL 
        && OCTTransform(hTransform,1,&dfGeoX,&dfGeoY,NULL) )
    {
        
        printf( "(%s,", GDALDecToDMS( dfGeoX, "Long", 2 ) );
        printf( "%s)", GDALDecToDMS( dfGeoY, "Lat", 2 ) );
    }

    if( hTransform != NULL )
        OCTDestroyCoordinateTransformation( hTransform );
    
    printf( "\n" );

    return TRUE;
}
Beispiel #21
0
s_sat * sat_load(const char * dname)
{
	try;

		bool is_first = true;
		unsigned v, height, width, height_width, raster_num = 0;
		char str[BUF_SIZE], * sstr;
		DIR * dir = NULL;
		struct dirent * entry;
		GDALDatasetH ds = NULL;
		s_sat * sat = NULL;
		
		throw_null((sat = sat_init(DIM)));
		throw_null((dir = opendir(dname)));

		while((entry = readdir(dir)) != NULL)
			for(v = 0; v < DIM; v++)
			{
				sprintf(str, "B%u0.tif", v + 1);
				sstr = strstr(entry->d_name, str);

				if((sstr != NULL) && (sstr[7] == '\0'))
				{
					sprintf(str, "%s/%s", dname, entry->d_name);

					throw_null(ds = GDALOpen(str, GA_ReadOnly));

					if(is_first)
					{
						height = sat->height = GDALGetRasterYSize(ds);
						width = sat->width = GDALGetRasterXSize(ds);
						throw((GDALGetGeoTransform(ds, sat->gt_coef) == CE_Failure));
						throw_null((sat->proj_ref = strdup(GDALGetProjectionRef(ds))));

						height_width = height * width;

						is_first = false;
					}

					throw_null((sat->pixel[v] = sfire_alloc(sizeof(uint8_t), 1, height_width)));
					throw((GDALDatasetRasterIO(ds, GF_Read, 0, 0, width, height, sat->pixel[v], width, height, GDT_Byte, 1, NULL, 0, 0, 0) == CE_Failure));
					GDALClose(ds);

					ds = NULL;

					raster_num++;

					break;
				}
			}

		throw((raster_num != DIM));

	catch;

		sat_destroy(sat);

		sat = NULL;

	finally;

		if(ds != NULL)
			GDALClose(ds);

		if(dir != NULL)
			closedir(dir);

	return sat;
}
Beispiel #22
0
GDALDatasetH CPL_STDCALL 
GDALAutoCreateWarpedVRT( GDALDatasetH hSrcDS, 
                         const char *pszSrcWKT,
                         const char *pszDstWKT,
                         GDALResampleAlg eResampleAlg, 
                         double dfMaxError, 
                         const GDALWarpOptions *psOptionsIn )
    
{
    GDALWarpOptions *psWO;
    int i;

    VALIDATE_POINTER1( hSrcDS, "GDALAutoCreateWarpedVRT", NULL );

/* -------------------------------------------------------------------- */
/*      Populate the warp options.                                      */
/* -------------------------------------------------------------------- */
    if( psOptionsIn != NULL )
        psWO = GDALCloneWarpOptions( psOptionsIn );
    else
        psWO = GDALCreateWarpOptions();

    psWO->eResampleAlg = eResampleAlg;

    psWO->hSrcDS = hSrcDS;

    psWO->nBandCount = GDALGetRasterCount( hSrcDS );
    psWO->panSrcBands = (int *) CPLMalloc(sizeof(int) * psWO->nBandCount);
    psWO->panDstBands = (int *) CPLMalloc(sizeof(int) * psWO->nBandCount);

    for( i = 0; i < psWO->nBandCount; i++ )
    {
        psWO->panSrcBands[i] = i+1;
        psWO->panDstBands[i] = i+1;
    }

    /* TODO: should fill in no data where available */

/* -------------------------------------------------------------------- */
/*      Create the transformer.                                         */
/* -------------------------------------------------------------------- */
    psWO->pfnTransformer = GDALGenImgProjTransform;
    psWO->pTransformerArg = 
        GDALCreateGenImgProjTransformer( psWO->hSrcDS, pszSrcWKT, 
                                         NULL, pszDstWKT,
                                         TRUE, 1.0, 0 );

    if( psWO->pTransformerArg == NULL )
    {
        GDALDestroyWarpOptions( psWO );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Figure out the desired output bounds and resolution.            */
/* -------------------------------------------------------------------- */
    double adfDstGeoTransform[6];
    int    nDstPixels, nDstLines;
    CPLErr eErr;

    eErr = 
        GDALSuggestedWarpOutput( hSrcDS, psWO->pfnTransformer, 
                                 psWO->pTransformerArg, 
                                 adfDstGeoTransform, &nDstPixels, &nDstLines );

/* -------------------------------------------------------------------- */
/*      Update the transformer to include an output geotransform        */
/*      back to pixel/line coordinates.                                 */
/*                                                                      */
/* -------------------------------------------------------------------- */
    GDALSetGenImgProjTransformerDstGeoTransform( 
        psWO->pTransformerArg, adfDstGeoTransform );

/* -------------------------------------------------------------------- */
/*      Do we want to apply an approximating transformation?            */
/* -------------------------------------------------------------------- */
    if( dfMaxError > 0.0 )
    {
        psWO->pTransformerArg = 
            GDALCreateApproxTransformer( psWO->pfnTransformer, 
                                         psWO->pTransformerArg, 
                                         dfMaxError );
        psWO->pfnTransformer = GDALApproxTransform;
    }

/* -------------------------------------------------------------------- */
/*      Create the VRT file.                                            */
/* -------------------------------------------------------------------- */
    GDALDatasetH hDstDS;

    hDstDS = GDALCreateWarpedVRT( hSrcDS, nDstPixels, nDstLines, 
                                  adfDstGeoTransform, psWO );

    GDALDestroyWarpOptions( psWO );

    if( pszDstWKT != NULL )
        GDALSetProjection( hDstDS, pszDstWKT );
    else if( pszSrcWKT != NULL )
        GDALSetProjection( hDstDS, pszDstWKT );
    else if( GDALGetGCPCount( hSrcDS ) > 0 )
        GDALSetProjection( hDstDS, GDALGetGCPProjection( hSrcDS ) );
    else 
        GDALSetProjection( hDstDS, GDALGetProjectionRef( hSrcDS ) );

    return hDstDS;
}
Beispiel #23
0
int main(int argc, char* argv[])
{
	fprintf(stderr, "TASSELED CAP TRANSFORMATION\nVersion %s.%s. Free software. GNU General Public License, version 3\n", PROG_VERSION, DATE_VERSION);
	fprintf(stderr, "Copyright (C) 2016 Igor Garkusha.\nUkraine, Dnipro\n\n");
	
	if(argc!=5)
	{
		fputs("Input parameters not found!\n", stderr);
		printHelp();

		fputs("\n", stderr);
		
		return 1;
	}
	
    GDALDatasetH  pSrcDataset = NULL;
    GDALDatasetH  pDstDataset = NULL;
    
    GDALRasterBandH pSrcBand = NULL;
    GDALRasterBandH pDstBand = NULL;
    
    GDALDriverH pDriver = NULL;

    GDALAllRegister();
	
	bool flagNoData = (atoi(argv[argc-1]) == 1)?true:false;
	int sensorIndexFlag = OLI;
	
	if( strcmp(argv[argc-2], "oli") == 0) 	sensorIndexFlag = OLI;
	else
	if( strcmp(argv[argc-2], "etm") == 0) 	sensorIndexFlag = ETM;
	else
	if( strcmp(argv[argc-2], "tm4") == 0) 	sensorIndexFlag = TM4;
	else
	if( strcmp(argv[argc-2], "tm5") == 0) 	sensorIndexFlag = TM5;
	else
	//if( strcmp(argv[argc-2], "msi10") == 0) sensorIndexFlag = S2AMSI10;
	//else
	if( strcmp(argv[argc-2], "msi") == 0) 	sensorIndexFlag = S2AMSI;
		    
    pSrcDataset = GDALOpen( argv[1], GA_ReadOnly );
    
    int bands = 0;
    
    if(pSrcDataset!=NULL)
    {
		if(CUtils::isFloat32DataType(pSrcDataset))
		{
			bands = GDALGetRasterCount(pSrcDataset);
			if( ((bands == 6)||(bands == 4)) )
			{
					pSrcBand = GDALGetRasterBand(pSrcDataset, 1);
					if(pSrcBand != NULL)
					{
							int cols  = GDALGetRasterBandXSize(pSrcBand);
							int rows  = GDALGetRasterBandYSize(pSrcBand);

							float NoDataValue = 0;

							pDriver = GDALGetDriverByName("GTiff");
							char **papszOptions = NULL;
							pDstDataset = GDALCreate(pDriver, argv[2], cols, rows, COUNT_OUT_BANDS, GDT_Float32, papszOptions);
							double adfGeoTransform[6]={0};
							GDALGetGeoTransform(pSrcDataset, adfGeoTransform );
							const char *szProjection = GDALGetProjectionRef(pSrcDataset);
							GDALSetGeoTransform(pDstDataset, adfGeoTransform );
							GDALSetProjection(pDstDataset, szProjection );
						
							pDstBand = GDALGetRasterBand(pDstDataset, 1);
						
							float *pSrcLine = NULL;
							float *pDstLine = NULL;
					
							pSrcLine = (float*)CPLMalloc(sizeof(GDALGetRasterDataType(pSrcBand))*cols);
							pDstLine = (float*)CPLMalloc(sizeof(GDALGetRasterDataType(pDstBand))*cols);
							
							
							if(flagNoData == false)
							{
								for(int resultBandNumber=1; resultBandNumber <= COUNT_OUT_BANDS; resultBandNumber++)
								{
									fprintf(stderr, "Processing for band %d...\n", resultBandNumber);
									
									pDstBand = GDALGetRasterBand(pDstDataset, resultBandNumber);

									int pr = CUtils::progress_ln_ex(stderr, 0, 0, START_PROGRESS);
									for(int i=0; i<rows; i++)
									{
										for(int j=0; j<cols; j++) pDstLine[j] = 0;
								
										for(int currentBandNumber=1; currentBandNumber <= bands; currentBandNumber++)
										{
											pSrcBand = GDALGetRasterBand(pSrcDataset, currentBandNumber);		

											GDALRasterIO(pSrcBand, GF_Read, 0, i, cols, 1, pSrcLine, cols, 1, GDALGetRasterDataType(pSrcBand), 0, 0 );
										
											for(int j=0; j<cols; j++) pDstLine[j] += getTasseledCapValue(pSrcLine[j], sensorIndexFlag, resultBandNumber, currentBandNumber);
										}
										
										if(sensorIndexFlag == TM5) for(int j=0; j<cols; j++) pDstLine[j] += TM5_TCCoeff[resultBandNumber][6];
										
										GDALRasterIO(pDstBand, GF_Write, 0, i, cols, 1, pDstLine, cols, 1, GDT_Float32, 0, 0 );
										
										pr = CUtils::progress_ln_ex(stderr, i, rows, pr);
									}
									CUtils::progress_ln_ex(stderr, 0, 0, END_PROGRESS);
								}
							}
							else // WITH NODATA VALUE - pixel(1,1)
							{
								for(int resultBandNumber=1; resultBandNumber <= COUNT_OUT_BANDS; resultBandNumber++)
								{
									fprintf(stderr, "Processing for band %d...\n", resultBandNumber);
									
									pDstBand = GDALGetRasterBand(pDstDataset, resultBandNumber);
									
									int pr = CUtils::progress_ln_ex(stderr, 0, 0, START_PROGRESS);
									for(int i=0; i<rows; i++)
									{
										for(int j=0; j<cols; j++) pDstLine[j] = 0;
								
										for(int currentBandNumber=1; currentBandNumber <= bands; currentBandNumber++)
										{
											pSrcBand = GDALGetRasterBand(pSrcDataset, currentBandNumber);		
											NoDataValue = CUtils::getFloatNoDataValueAsBackground(pSrcBand);
											
											GDALRasterIO(pSrcBand, GF_Read, 0, i, cols, 1, pSrcLine, cols, 1, GDALGetRasterDataType(pSrcBand), 0, 0 );
										
											for(int j=0; j<cols; j++) 
											{
												if(NoDataValue == pSrcLine[j]) pDstLine[j] = NoDataValue;
												else pDstLine[j] += getTasseledCapValue(pSrcLine[j], sensorIndexFlag, resultBandNumber, currentBandNumber);
											}
										}
										
										if(sensorIndexFlag == TM5)
										{
											for(int j=0; j<cols; j++) if(NoDataValue != pDstLine[j]) pDstLine[j] += TM5_TCCoeff[resultBandNumber][6];
										}
										
										GDALRasterIO(pDstBand, GF_Write, 0, i, cols, 1, pDstLine, cols, 1, GDT_Float32, 0, 0 );
										
										pr = CUtils::progress_ln_ex(stderr, i, rows, pr);
									}
									CUtils::progress_ln_ex(stderr, 0, 0, END_PROGRESS);
								}
							}
							
							CPLFree(pSrcLine); pSrcLine = NULL;
							CPLFree(pDstLine); pDstLine = NULL;
							
							if(flagNoData) CUtils::calculateFloatGeoTIFFStatistics(pDstDataset, -1, true);
							else CUtils::calculateFloatGeoTIFFStatistics(pDstDataset, -1, false);
							
							fputs("Output band:\n\tband1: Brightness, band2: Greenness (Vegetation), band3: Wetness, band4: Haze\n\n", stderr);
							fputs("\nEnd Processing.\n\n", stderr);
					}
			}
			else
			{
				fputs("\nERROR: Source Band Number is Invalid!!!\n", stderr);
				fprintf(stderr, "Source Bands Number: %d!\n\n", bands);
				printHelp();
			}
		}
		
		if(pSrcDataset!=NULL) { GDALClose(pSrcDataset); }
		if(pDstDataset!=NULL) { GDALClose(pDstDataset); }
	}

    return 0;
}
Beispiel #24
0
int main(void)
{
	GDALAllRegister();
	/*Open a file*/
	GDALDatasetH hDataset;
	hDataset = GDALOpen( "./dem.tif", GA_ReadOnly );
	if( hDataset == NULL ) printf("The dataset is NULL!\n");
	/*Getting Dasetset Information*/
	GDALDriverH hDriver;
	double adfGeoTransform[6];
	hDriver = GDALGetDatasetDriver( hDataset );
	printf( "Driver: %s/%s\n",
			GDALGetDriverShortName( hDriver ),
			GDALGetDriverLongName( hDriver ));
	printf("Size is %dx%dx%d\n",
			GDALGetRasterXSize( hDataset ),
			GDALGetRasterYSize( hDataset ),
			GDALGetRasterCount( hDataset ));
	if( GDALGetProjectionRef( hDataset ) != NULL )
		printf("Projection is '%s'\n", GDALGetProjectionRef( hDataset ) );
	if (GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
	{
		printf("Origin = (%.6f,%.6f)\n",
				adfGeoTransform[0], adfGeoTransform[3]);
		printf( "Pixel Size = (%.6f,%.6f)\n",
				adfGeoTransform[0], adfGeoTransform[5]);
	}
	/*Fetching a Raster Band*/
	GDALRasterBandH hBand;
	int nBlockXSize, nBlockYSize;
	int bGotMin, bGotMax;
	double adfMinMax[2];
	hBand = GDALGetRasterBand( hDataset, 1);
	GDALGetBlockSize( hBand, &nBlockXSize, &nBlockYSize);
	printf( "Block=%dx%d Type=%s, ColorInterp=%s\n",
			nBlockXSize, nBlockYSize,
			GDALGetDataTypeName(GDALGetRasterDataType(hBand)),
			GDALGetColorInterpretationName(
				GDALGetRasterColorInterpretation(hBand)) );
	adfMinMax[0] = GDALGetRasterMinimum( hBand, &bGotMin );
	adfMinMax[1] = GDALGetRasterMaximum( hBand, &bGotMax );
	if( !(bGotMin && bGotMax) )
	{
		GDALComputeRasterMinMax( hBand, TRUE, adfMinMax );
	}
	printf( "Min=%.3fd, Max=%.3f\n", adfMinMax[0], adfMinMax[1]);
	if(GDALGetOverviewCount(hBand) > 0)
		printf( "Band has %d overviews.\n", GDALGetOverviewCount(hBand));
	if( GDALGetRasterColorTable( hBand ) != NULL)
		printf( "Band has a color table with %d entries.\n",
				GDALGetColorEntryCount(
					GDALGetRasterColorTable( hBand)));
	/*Reading Raster Data*/
	float *pafScanline;
	int nXSize = GDALGetRasterBandXSize( hBand );
	pafScanline = (float *)CPLMalloc(sizeof(float)*nXSize);
	GDALRasterIO(hBand, GF_Read, 0, 0, nXSize, 1,
			pafScanline, nXSize, 1, GDT_Float32, 0, 0);
	CPLFree(pafScanline);
	return 0;
}
static void DumpBand( GDALDatasetH hBaseDS, GDALRasterBandH hSrcOver,
                      const char *pszName )

{
/* -------------------------------------------------------------------- */
/*      Get base ds info.                                               */
/* -------------------------------------------------------------------- */
    double adfGeoTransform[6];
    bool bHaveGT = GDALGetGeoTransform( hBaseDS, adfGeoTransform ) == CE_None;

    int nOrigXSize = GDALGetRasterXSize( hBaseDS );
    int nOrigYSize = GDALGetRasterYSize( hBaseDS );

/* -------------------------------------------------------------------- */
/*      Create matching output file.                                    */
/* -------------------------------------------------------------------- */
    int nXSize = GDALGetRasterBandXSize( hSrcOver );
    int nYSize = GDALGetRasterBandYSize( hSrcOver );
    GDALDataType eDT = GDALGetRasterDataType( hSrcOver );
    GDALDriverH hDriver = GDALGetDriverByName( "GTiff" );

    GDALDatasetH hDstDS = GDALCreate( hDriver, pszName, nXSize, nYSize,
                                      1, eDT, NULL );

    if( hDstDS == NULL )
        exit( 1 );

/* -------------------------------------------------------------------- */
/*      Apply corresponding georeferencing, scaled to size.             */
/* -------------------------------------------------------------------- */
    if( bHaveGT )
    {
        double adfOvGeoTransform[6];

        memcpy( adfOvGeoTransform, adfGeoTransform,
                sizeof(double) * 6 );

        adfOvGeoTransform[1] *= (nOrigXSize / (double) nXSize);
        adfOvGeoTransform[2] *= (nOrigXSize / (double) nXSize);
        adfOvGeoTransform[4] *= (nOrigYSize / (double) nYSize);
        adfOvGeoTransform[5] *= (nOrigYSize / (double) nYSize);

        GDALSetGeoTransform( hDstDS, adfOvGeoTransform );

        GDALSetProjection( hDstDS, GDALGetProjectionRef( hBaseDS ) );
    }

/* -------------------------------------------------------------------- */
/*      Copy over all the image data.                                   */
/* -------------------------------------------------------------------- */
    void *pData = CPLMalloc(64 * nXSize);

    for( int iLine = 0; iLine < nYSize; iLine++ )
    {
        GDALRasterIO( hSrcOver, GF_Read, 0, iLine, nXSize, 1,
                      pData, nXSize, 1, eDT, 0, 0 );
        GDALRasterIO( GDALGetRasterBand( hDstDS, 1 ), GF_Write,
                      0, iLine, nXSize, 1,
                      pData, nXSize, 1, eDT, 0, 0 );
    }
    CPLFree( pData );

    GDALClose( hDstDS );
}
Beispiel #26
0
MAIN_START(argc, argv)
{
    // Check that we are running against at least GDAL 1.4.
    // Note to developers: if we use newer API, please change the requirement.
    if( atoi(GDALVersionInfo("VERSION_NUM")) < 1400 )
    {
        fprintf(stderr,
                "At least, GDAL >= 1.4.0 is required for this version of %s, "
                "which was compiled against GDAL %s\n",
                argv[0], GDAL_RELEASE_NAME);
        exit(1);
    }

    GDALAllRegister();
    OGRRegisterAll();

    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Get commandline arguments other than the GDAL raster filenames. */
/* -------------------------------------------------------------------- */
    const char* pszIndexLayerName = nullptr;
    const char *index_filename = nullptr;
    const char *tile_index = "location";
    const char* pszDriverName = nullptr;
    size_t nMaxFieldSize = 254;
    bool write_absolute_path = false;
    char* current_path = nullptr;
    bool skip_different_projection = false;
    const char *pszTargetSRS = "";
    bool bSetTargetSRS = false;
    const char* pszSrcSRSName = nullptr;
    int i_SrcSRSName = -1;
    bool bSrcSRSFormatSpecified = false;
    SrcSRSFormat eSrcSRSFormat = FORMAT_AUTO;

    int iArg = 1;  // Used after for.
    for( ; iArg < argc; iArg++ )
    {
        if( EQUAL(argv[iArg], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against "
                   "GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            CSLDestroy( argv );
            return 0;
        }
        else if( EQUAL(argv[iArg],"--help") )
            Usage(nullptr);
        else if( (strcmp(argv[iArg],"-f") == 0 || strcmp(argv[iArg],"-of") == 0) )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszDriverName = argv[++iArg];
        }
        else if( strcmp(argv[iArg],"-lyr_name") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszIndexLayerName = argv[++iArg];
        }
        else if( strcmp(argv[iArg],"-tileindex") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            tile_index = argv[++iArg];
        }
        else if( strcmp(argv[iArg],"-t_srs") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszTargetSRS = argv[++iArg];
            bSetTargetSRS = true;
        }
        else if ( strcmp(argv[iArg],"-write_absolute_path") == 0 )
        {
            write_absolute_path = true;
        }
        else if ( strcmp(argv[iArg],"-skip_different_projection") == 0 )
        {
            skip_different_projection = true;
        }
        else if( strcmp(argv[iArg], "-src_srs_name") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszSrcSRSName = argv[++iArg];
        }
        else if( strcmp(argv[iArg], "-src_srs_format") == 0 )
        {
            const char* pszFormat;
            bSrcSRSFormatSpecified = true;
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszFormat = argv[++iArg];
            if( EQUAL(pszFormat, "AUTO") )
                eSrcSRSFormat = FORMAT_AUTO;
            else if( EQUAL(pszFormat, "WKT") )
                eSrcSRSFormat = FORMAT_WKT;
            else if( EQUAL(pszFormat, "EPSG") )
                eSrcSRSFormat = FORMAT_EPSG;
            else if( EQUAL(pszFormat, "PROJ") )
                eSrcSRSFormat = FORMAT_PROJ;
        }
        else if( argv[iArg][0] == '-' )
            Usage(CPLSPrintf("Unknown option name '%s'", argv[iArg]));
        else if( index_filename == nullptr )
        {
            index_filename = argv[iArg];
            iArg++;
            break;
        }
    }

    if( index_filename == nullptr )
        Usage("No index filename specified.");
    if( iArg == argc )
        Usage("No file to index specified.");
    if( bSrcSRSFormatSpecified && pszSrcSRSName == nullptr )
        Usage("-src_srs_name must be specified when -src_srs_format is "
              "specified.");

/* -------------------------------------------------------------------- */
/*      Create and validate target SRS if given.                        */
/* -------------------------------------------------------------------- */
    OGRSpatialReferenceH hTargetSRS = nullptr;
    if( bSetTargetSRS )
    {
        if( skip_different_projection )
        {
            fprintf( stderr,
                     "Warning : -skip_different_projection does not apply "
                     "when -t_srs is requested.\n" );
        }
        hTargetSRS = OSRNewSpatialReference("");
        OSRSetAxisMappingStrategy(hTargetSRS, OAMS_TRADITIONAL_GIS_ORDER);
        // coverity[tainted_data]
        if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None )
        {
            OSRDestroySpatialReference( hTargetSRS );
            fprintf( stderr, "Invalid target SRS `%s'.\n",
                     pszTargetSRS );
            exit(1);
        }
    }

/* -------------------------------------------------------------------- */
/*      Open or create the target datasource                            */
/* -------------------------------------------------------------------- */
    GDALDatasetH hTileIndexDS = GDALOpenEx(
        index_filename, GDAL_OF_VECTOR | GDAL_OF_UPDATE, nullptr, nullptr, nullptr );
    OGRLayerH hLayer = nullptr;
    CPLString osFormat;
    if( hTileIndexDS != nullptr )
    {
        GDALDriverH hDriver = GDALGetDatasetDriver(hTileIndexDS);
        if( hDriver )
            osFormat = GDALGetDriverShortName(hDriver);

        if( GDALDatasetGetLayerCount(hTileIndexDS) == 1 )
        {
            hLayer = GDALDatasetGetLayer(hTileIndexDS, 0);
        }
        else
        {
            if( pszIndexLayerName == nullptr )
            {
                printf( "-lyr_name must be specified.\n" );
                exit( 1 );
            }
            CPLPushErrorHandler(CPLQuietErrorHandler);
            hLayer = GDALDatasetGetLayerByName(hTileIndexDS, pszIndexLayerName);
            CPLPopErrorHandler();
        }
    }
    else
    {
        printf( "Creating new index file...\n" );
        if( pszDriverName == nullptr )
        {
            std::vector<CPLString> aoDrivers =
                GetOutputDriversFor(index_filename, GDAL_OF_VECTOR);
            if( aoDrivers.empty() )
            {
                CPLError( CE_Failure, CPLE_AppDefined,
                        "Cannot guess driver for %s", index_filename);
                exit( 10 );
            }
            else
            {
                if( aoDrivers.size() > 1 )
                {
                    CPLError( CE_Warning, CPLE_AppDefined,
                            "Several drivers matching %s extension. Using %s",
                            CPLGetExtension(index_filename), aoDrivers[0].c_str() );
                }
                osFormat = aoDrivers[0];
            }
        }
        else
        {
            osFormat = pszDriverName;
        }
        if( !EQUAL(osFormat, "ESRI Shapefile") )
            nMaxFieldSize = 0;


        GDALDriverH hDriver = GDALGetDriverByName( osFormat.c_str() );
        if( hDriver == nullptr )
        {
            printf( "%s driver not available.\n", osFormat.c_str() );
            exit( 1 );
        }

        hTileIndexDS = 
            GDALCreate( hDriver, index_filename, 0, 0, 0, GDT_Unknown, nullptr );
    }

    if( hTileIndexDS != nullptr && hLayer == nullptr )
    {
        OGRSpatialReferenceH hSpatialRef = nullptr;
        char* pszLayerName = nullptr;
        if( pszIndexLayerName == nullptr )
        {
            VSIStatBuf sStat;
            if( EQUAL(osFormat, "ESRI Shapefile") ||
                VSIStat(index_filename, &sStat) == 0 )
            {
                pszLayerName = CPLStrdup(CPLGetBasename(index_filename));
            }
            else
            {
                printf( "-lyr_name must be specified.\n" );
                exit( 1 );
            }
        }
        else
        {
            pszLayerName = CPLStrdup(pszIndexLayerName);
        }

        /* get spatial reference for output file from target SRS (if set) */
        /* or from first input file */
        if( bSetTargetSRS )
        {
            hSpatialRef = OSRClone( hTargetSRS );
        }
        else
        {
            GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly );
            if( hDS )
            {
                const char* pszWKT = GDALGetProjectionRef(hDS);
                if (pszWKT != nullptr && pszWKT[0] != '\0')
                {
                    hSpatialRef = OSRNewSpatialReference(pszWKT);
                    OSRSetAxisMappingStrategy(hSpatialRef, OAMS_TRADITIONAL_GIS_ORDER);
                }
                GDALClose(hDS);
            }
        }

        hLayer =
            GDALDatasetCreateLayer( hTileIndexDS, pszLayerName, hSpatialRef,
                                wkbPolygon, nullptr );
        CPLFree(pszLayerName);
        if( hSpatialRef )
            OSRRelease(hSpatialRef);

        if( hLayer )
        {
            OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString );
            if( nMaxFieldSize )
                OGR_Fld_SetWidth( hFieldDefn, static_cast<int>(nMaxFieldSize));
            OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
            OGR_Fld_Destroy(hFieldDefn);
            if( pszSrcSRSName != nullptr )
            {
                hFieldDefn = OGR_Fld_Create( pszSrcSRSName, OFTString );
                if( nMaxFieldSize )
                    OGR_Fld_SetWidth(hFieldDefn,
                                     static_cast<int>(nMaxFieldSize));
                OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
                OGR_Fld_Destroy(hFieldDefn);
            }
        }
    }

    if( hTileIndexDS == nullptr || hLayer == nullptr )
    {
        fprintf( stderr, "Unable to open/create shapefile `%s'.\n",
                 index_filename );
        exit(2);
    }

    OGRFeatureDefnH hFDefn = OGR_L_GetLayerDefn(hLayer);

    const int ti_field = OGR_FD_GetFieldIndex( hFDefn, tile_index );
    if( ti_field < 0 )
    {
        fprintf( stderr, "Unable to find field `%s' in file `%s'.\n",
                 tile_index, index_filename );
        exit(2);
    }

    if( pszSrcSRSName != nullptr )
        i_SrcSRSName = OGR_FD_GetFieldIndex( hFDefn, pszSrcSRSName );

    // Load in memory existing file names in SHP.
    int nExistingFiles = static_cast<int>(OGR_L_GetFeatureCount(hLayer, FALSE));
    if( nExistingFiles < 0)
        nExistingFiles = 0;

    char** existingFilesTab = nullptr;
    bool alreadyExistingProjectionRefValid = false;
    char* alreadyExistingProjectionRef = nullptr;
    if( nExistingFiles > 0 )
    {
        OGRFeatureH hFeature = nullptr;
        existingFilesTab = static_cast<char **>(
            CPLMalloc(nExistingFiles * sizeof(char*)));
        for( int i = 0; i < nExistingFiles; i++ )
        {
            hFeature = OGR_L_GetNextFeature(hLayer);
            existingFilesTab[i] =
                CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field ));
            if( i == 0 )
            {
                GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly );
                if( hDS )
                {
                    alreadyExistingProjectionRefValid = true;
                    alreadyExistingProjectionRef =
                        CPLStrdup(GDALGetProjectionRef(hDS));
                    GDALClose(hDS);
                }
            }
            OGR_F_Destroy( hFeature );
        }
    }

    if( write_absolute_path )
    {
        current_path = CPLGetCurrentDir();
        if (current_path == nullptr)
        {
            fprintf( stderr,
                     "This system does not support the CPLGetCurrentDir call. "
                     "The option -write_absolute_path will have no effect\n" );
            write_absolute_path = FALSE;
        }
    }

/* -------------------------------------------------------------------- */
/*      loop over GDAL files, processing.                               */
/* -------------------------------------------------------------------- */
    for( ; iArg < argc; iArg++ )
    {
        char *fileNameToWrite = nullptr;
        VSIStatBuf sStatBuf;

        // Make sure it is a file before building absolute path name.
        if( write_absolute_path && CPLIsFilenameRelative( argv[iArg] ) &&
            VSIStat( argv[iArg], &sStatBuf ) == 0 )
        {
            fileNameToWrite =
                CPLStrdup(CPLProjectRelativeFilename(current_path, argv[iArg]));
        }
        else
        {
            fileNameToWrite = CPLStrdup(argv[iArg]);
        }

        // Checks that file is not already in tileindex.
        {
            int i = 0;  // Used after for.
            for( ; i < nExistingFiles; i++ )
            {
                if (EQUAL(fileNameToWrite, existingFilesTab[i]))
                {
                    fprintf(stderr,
                            "File %s is already in tileindex. Skipping it.\n",
                            fileNameToWrite);
                    break;
                }
            }
            if (i != nExistingFiles)
            {
                CPLFree(fileNameToWrite);
                continue;
            }
        }

        GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly );
        if( hDS == nullptr )
        {
            fprintf( stderr, "Unable to open %s, skipping.\n",
                     argv[iArg] );
            CPLFree(fileNameToWrite);
            continue;
        }

        double adfGeoTransform[6] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
        GDALGetGeoTransform( hDS, adfGeoTransform );
        if( adfGeoTransform[0] == 0.0
            && adfGeoTransform[1] == 1.0
            && adfGeoTransform[3] == 0.0
            && std::abs(adfGeoTransform[5]) == 1.0 )
        {
            fprintf( stderr,
                     "It appears no georeferencing is available for\n"
                     "`%s', skipping.\n",
                     argv[iArg] );
            GDALClose( hDS );
            CPLFree(fileNameToWrite);
            continue;
        }

        const char *projectionRef = GDALGetProjectionRef(hDS);

        // If not set target srs, test that the current file uses same
        // projection as others.
        if( !bSetTargetSRS )
        {
            if( alreadyExistingProjectionRefValid )
            {
                int projectionRefNotNull, alreadyExistingProjectionRefNotNull;
                projectionRefNotNull = projectionRef && projectionRef[0];
                alreadyExistingProjectionRefNotNull =
                    alreadyExistingProjectionRef &&
                    alreadyExistingProjectionRef[0];
                if ((projectionRefNotNull &&
                     alreadyExistingProjectionRefNotNull &&
                     EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) ||
                    (projectionRefNotNull != alreadyExistingProjectionRefNotNull))
                {
                    fprintf(
                        stderr,
                        "Warning : %s is not using the same projection system "
                        "as other files in the tileindex.\n"
                        "This may cause problems when using it in MapServer "
                        "for example.\n"
                        "Use -t_srs option to set target projection system "
                        "(not supported by MapServer).\n"
                        "%s\n", argv[iArg],
                        skip_different_projection ? "Skipping this file." : "");
                    if( skip_different_projection )
                    {
                        CPLFree(fileNameToWrite);
                        GDALClose( hDS );
                        continue;
                    }
                }
            }
            else
            {
                alreadyExistingProjectionRefValid = true;
                alreadyExistingProjectionRef = CPLStrdup(projectionRef);
            }
        }

        const int nXSize = GDALGetRasterXSize( hDS );
        const int nYSize = GDALGetRasterYSize( hDS );

        double adfX[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 };
        double adfY[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 };
        adfX[0] = adfGeoTransform[0]
            + 0 * adfGeoTransform[1]
            + 0 * adfGeoTransform[2];
        adfY[0] = adfGeoTransform[3]
            + 0 * adfGeoTransform[4]
            + 0 * adfGeoTransform[5];

        adfX[1] = adfGeoTransform[0]
            + nXSize * adfGeoTransform[1]
            + 0 * adfGeoTransform[2];
        adfY[1] = adfGeoTransform[3]
            + nXSize * adfGeoTransform[4]
            + 0 * adfGeoTransform[5];

        adfX[2] = adfGeoTransform[0]
            + nXSize * adfGeoTransform[1]
            + nYSize * adfGeoTransform[2];
        adfY[2] = adfGeoTransform[3]
            + nXSize * adfGeoTransform[4]
            + nYSize * adfGeoTransform[5];

        adfX[3] = adfGeoTransform[0]
            + 0 * adfGeoTransform[1]
            + nYSize * adfGeoTransform[2];
        adfY[3] = adfGeoTransform[3]
            + 0 * adfGeoTransform[4]
            + nYSize * adfGeoTransform[5];

        adfX[4] = adfGeoTransform[0]
            + 0 * adfGeoTransform[1]
            + 0 * adfGeoTransform[2];
        adfY[4] = adfGeoTransform[3]
            + 0 * adfGeoTransform[4]
            + 0 * adfGeoTransform[5];

        OGRSpatialReferenceH hSourceSRS = nullptr;
        if( (bSetTargetSRS || i_SrcSRSName >= 0) &&
            projectionRef != nullptr &&
            projectionRef[0] != '\0' )
        {
            hSourceSRS = OSRNewSpatialReference( projectionRef );
            OSRSetAxisMappingStrategy(hSourceSRS, OAMS_TRADITIONAL_GIS_ORDER);
        }

        // If set target srs, do the forward transformation of all points.
        if( bSetTargetSRS && projectionRef != nullptr && projectionRef[0] != '\0' )
        {
            OGRCoordinateTransformationH hCT = nullptr;
            if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) )
            {
                hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS );
                if( hCT == nullptr || !OCTTransform( hCT, 5, adfX, adfY, nullptr ) )
                {
                    fprintf(
                        stderr,
                        "Warning : unable to transform points from source "
                        "SRS `%s' to target SRS `%s'\n"
                        "for file `%s' - file skipped\n",
                        projectionRef, pszTargetSRS, fileNameToWrite );
                    if( hCT )
                        OCTDestroyCoordinateTransformation( hCT );
                    if( hSourceSRS )
                        OSRDestroySpatialReference( hSourceSRS );
                    continue;
                }
                if( hCT )
                    OCTDestroyCoordinateTransformation( hCT );
            }
        }

        OGRFeatureH hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) );
        OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite );

        if( i_SrcSRSName >= 0 && hSourceSRS != nullptr )
        {
            const char* pszAuthorityCode =
                OSRGetAuthorityCode(hSourceSRS, nullptr);
            const char* pszAuthorityName =
                OSRGetAuthorityName(hSourceSRS, nullptr);
            if( eSrcSRSFormat == FORMAT_AUTO )
            {
                if( pszAuthorityName != nullptr && pszAuthorityCode != nullptr )
                {
                    OGR_F_SetFieldString(
                        hFeature, i_SrcSRSName,
                        CPLSPrintf("%s:%s",
                                   pszAuthorityName, pszAuthorityCode) );
                }
                else if( nMaxFieldSize == 0 ||
                         strlen(projectionRef) <= nMaxFieldSize )
                {
                    OGR_F_SetFieldString(hFeature, i_SrcSRSName, projectionRef);
                }
                else
                {
                    char* pszProj4 = nullptr;
                    if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
                    {
                        OGR_F_SetFieldString( hFeature, i_SrcSRSName,
                                              pszProj4 );
                        CPLFree(pszProj4);
                    }
                    else
                    {
                        OGR_F_SetFieldString( hFeature, i_SrcSRSName,
                                              projectionRef );
                    }
                }
            }
            else if( eSrcSRSFormat == FORMAT_WKT )
            {
                if( nMaxFieldSize == 0 ||
                    strlen(projectionRef) <= nMaxFieldSize )
                {
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName,
                                          projectionRef );
                }
                else
                {
                    fprintf(stderr,
                            "Cannot write WKT for file %s as it is too long!\n",
                            fileNameToWrite);
                }
            }
            else if( eSrcSRSFormat == FORMAT_PROJ )
            {
                char* pszProj4 = nullptr;
                if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
                {
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName, pszProj4 );
                    CPLFree(pszProj4);
                }
            }
            else if( eSrcSRSFormat == FORMAT_EPSG )
            {
                if( pszAuthorityName != nullptr && pszAuthorityCode != nullptr )
                    OGR_F_SetFieldString(
                        hFeature, i_SrcSRSName,
                        CPLSPrintf("%s:%s",
                                   pszAuthorityName, pszAuthorityCode) );
            }
        }
        if( hSourceSRS )
            OSRDestroySpatialReference( hSourceSRS );

        OGRGeometryH hPoly = OGR_G_CreateGeometry(wkbPolygon);
        OGRGeometryH hRing = OGR_G_CreateGeometry(wkbLinearRing);
        for( int k = 0; k < 5; k++ )
            OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]);
        OGR_G_AddGeometryDirectly( hPoly, hRing );
        OGR_F_SetGeometryDirectly( hFeature, hPoly );

        if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE )
        {
           printf( "Failed to create feature in shapefile.\n" );
           break;
        }

        OGR_F_Destroy( hFeature );

        CPLFree(fileNameToWrite);

        GDALClose( hDS );
    }

    CPLFree(current_path);

    if (nExistingFiles)
    {
        for( int i = 0; i < nExistingFiles; i++ )
        {
            CPLFree(existingFilesTab[i]);
        }
        CPLFree(existingFilesTab);
    }
    CPLFree(alreadyExistingProjectionRef);

    if ( hTargetSRS )
        OSRDestroySpatialReference( hTargetSRS );

    GDALClose( hTileIndexDS );

    GDALDestroyDriverManager();
    OGRCleanupAll();
    CSLDestroy(argv);

    exit( 0 );
}
Beispiel #27
0
int main( int argc, char ** argv )

{
    GDALDatasetH	hDataset;
    GDALRasterBandH	hBand;
    int			i, iBand;
    double		adfGeoTransform[6];
    GDALDriverH		hDriver;
    char		**papszMetadata;
    int                 bComputeMinMax = FALSE;

    if( !GDALBridgeInitialize( "..", stderr ) )
    {
        fprintf( stderr, "Unable to intiailize GDAL bridge.\n" );
        exit( 10 );
    }

    if( argc > 1 && strcmp(argv[1],"-mm") == 0 )
    {
        bComputeMinMax = TRUE;
        argv++;
    }

    GDALAllRegister();

    hDataset = GDALOpen( argv[1], GA_ReadOnly );
    
    if( hDataset == NULL )
    {
        fprintf( stderr,
                 "GDALOpen failed - %d\n%s\n",
                 CPLGetLastErrorNo(), CPLGetLastErrorMsg() );
        exit( 1 );
    }
    
/* -------------------------------------------------------------------- */
/*      Report general info.                                            */
/* -------------------------------------------------------------------- */
    hDriver = GDALGetDatasetDriver( hDataset );
    printf( "Driver: %s/%s\n",
            GDALGetDriverShortName( hDriver ),
            GDALGetDriverLongName( hDriver ) );

    printf( "Size is %d, %d\n",
            GDALGetRasterXSize( hDataset ), 
            GDALGetRasterYSize( hDataset ) );

/* -------------------------------------------------------------------- */
/*      Report projection.                                              */
/* -------------------------------------------------------------------- */
    if( GDALGetProjectionRef( hDataset ) != NULL )
    {
        OGRSpatialReferenceH  hSRS;
        char		      *pszProjection;

        pszProjection = (char *) GDALGetProjectionRef( hDataset );

        hSRS = OSRNewSpatialReference(NULL);
        if( OSRImportFromWkt( hSRS, &pszProjection ) == CE_None )
        {
            char	*pszPrettyWkt = NULL;

            OSRExportToPrettyWkt( hSRS, &pszPrettyWkt, FALSE );
            printf( "Coordinate System is:\n%s\n", pszPrettyWkt );
        }
        else
            printf( "Coordinate System is `%s'\n",
                    GDALGetProjectionRef( hDataset ) );

        OSRDestroySpatialReference( hSRS );
    }

/* -------------------------------------------------------------------- */
/*      Report Geotransform.                                            */
/* -------------------------------------------------------------------- */
    if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None )
    {
        printf( "Origin = (%.6f,%.6f)\n",
                adfGeoTransform[0], adfGeoTransform[3] );

        printf( "Pixel Size = (%.6f,%.6f)\n",
                adfGeoTransform[1], adfGeoTransform[5] );
    }

/* -------------------------------------------------------------------- */
/*      Report GCPs.                                                    */
/* -------------------------------------------------------------------- */
    if( GDALGetGCPCount( hDataset ) > 0 )
    {
        printf( "GCP Projection = %s\n", GDALGetGCPProjection(hDataset) );
        for( i = 0; i < GDALGetGCPCount(hDataset); i++ )
        {
            const GDAL_GCP	*psGCP;
            
            psGCP = GDALGetGCPs( hDataset ) + i;

            printf( "GCP[%3d]: Id=%s, Info=%s\n"
                    "          (%g,%g) -> (%g,%g,%g)\n", 
                    i, psGCP->pszId, psGCP->pszInfo, 
                    psGCP->dfGCPPixel, psGCP->dfGCPLine, 
                    psGCP->dfGCPX, psGCP->dfGCPY, psGCP->dfGCPZ );
        }
    }

/* -------------------------------------------------------------------- */
/*      Report metadata.                                                */
/* -------------------------------------------------------------------- */
    papszMetadata = GDALGetMetadata( hDataset, NULL );
    if( papszMetadata != NULL )
    {
        printf( "Metadata:\n" );
        for( i = 0; papszMetadata[i] != NULL; i++ )
        {
            printf( "  %s\n", papszMetadata[i] );
        }
    }

/* -------------------------------------------------------------------- */
/*      Report subdatasets.                                             */
/* -------------------------------------------------------------------- */
    papszMetadata = GDALGetMetadata( hDataset, "SUBDATASETS" );
    if( papszMetadata != NULL )
    {
        printf( "Subdatasets:\n" );
        for( i = 0; papszMetadata[i] != NULL; i++ )
        {
            printf( "  %s\n", papszMetadata[i] );
        }
    }

/* -------------------------------------------------------------------- */
/*      Report corners.                                                 */
/* -------------------------------------------------------------------- */
    printf( "Corner Coordinates:\n" );
    GDALInfoReportCorner( hDataset, "Upper Left", 
                          0.0, 0.0 );
    GDALInfoReportCorner( hDataset, "Lower Left", 
                          0.0, GDALGetRasterYSize(hDataset));
    GDALInfoReportCorner( hDataset, "Upper Right", 
                          GDALGetRasterXSize(hDataset), 0.0 );
    GDALInfoReportCorner( hDataset, "Lower Right", 
                          GDALGetRasterXSize(hDataset), 
                          GDALGetRasterYSize(hDataset) );
    GDALInfoReportCorner( hDataset, "Center", 
                          GDALGetRasterXSize(hDataset)/2.0, 
                          GDALGetRasterYSize(hDataset)/2.0 );

/* ==================================================================== */
/*      Loop over bands.                                                */
/* ==================================================================== */
    for( iBand = 0; iBand < GDALGetRasterCount( hDataset ); iBand++ )
    {
        double      dfMin, dfMax, adfCMinMax[2], dfNoData;
        int         bGotMin, bGotMax, bGotNodata;
        int         nBlockXSize, nBlockYSize;

        hBand = GDALGetRasterBand( hDataset, iBand+1 );
        GDALGetBlockSize( hBand, &nBlockXSize, &nBlockYSize );
        printf( "Band %d Block=%dx%d Type=%d, ColorInterp=%d\n", iBand+1,
                nBlockXSize, nBlockYSize,
                GDALGetRasterDataType(hBand),
                GDALGetRasterColorInterpretation(hBand) );

        dfMin = GDALGetRasterMinimum( hBand, &bGotMin );
        dfMax = GDALGetRasterMaximum( hBand, &bGotMax );
        printf( "  Min=%.3f/%d, Max=%.3f/%d",  dfMin, bGotMin, dfMax, bGotMax);
        
        if( bComputeMinMax )
        {
            GDALComputeRasterMinMax( hBand, TRUE, adfCMinMax );
            printf( ", Computed Min/Max=%.3f,%.3f", 
                    adfCMinMax[0], adfCMinMax[1] );
        }
        printf( "\n" );

        dfNoData = GDALGetRasterNoDataValue( hBand, &bGotNodata );
        if( bGotNodata )
        {
            printf( "  NoData Value=%g\n", dfNoData );
        }

        if( GDALGetOverviewCount(hBand) > 0 )
        {
            int		iOverview;

            printf( "  Overviews: " );
            for( iOverview = 0; 
                 iOverview < GDALGetOverviewCount(hBand);
                 iOverview++ )
            {
                GDALRasterBandH	hOverview;

                if( iOverview != 0 )
                    printf( ", " );

                hOverview = GDALGetOverview( hBand, iOverview );
                printf( "%dx%d", 
                        GDALGetRasterBandXSize( hOverview ),
                        GDALGetRasterBandYSize( hOverview ) );
            }
            printf( "\n" );
        }

        papszMetadata = GDALGetMetadata( hBand, NULL );
        if( papszMetadata != NULL )
        {
            printf( "Metadata:\n" );
            for( i = 0; papszMetadata[i] != NULL; i++ )
            {
                printf( "  %s\n", papszMetadata[i] );
            }
        }

        if( GDALGetRasterColorInterpretation(hBand) == GCI_PaletteIndex )
        {
            GDALColorTableH	hTable;
            int			i;

            hTable = GDALGetRasterColorTable( hBand );
            printf( "  Color Table (%s with %d entries)\n", 
                    GDALGetPaletteInterpretationName(
                        GDALGetPaletteInterpretation( hTable )), 
                    GDALGetColorEntryCount( hTable ) );

            for( i = 0; i < GDALGetColorEntryCount( hTable ); i++ )
            {
                GDALColorEntry	sEntry;

                GDALGetColorEntryAsRGB( hTable, i, &sEntry );
                printf( "  %3d: %d,%d,%d,%d\n", 
                        i, 
                        sEntry.c1,
                        sEntry.c2,
                        sEntry.c3,
                        sEntry.c4 );
            }
        }
    }

    GDALClose( hDataset );
    
    exit( 0 );
}
Beispiel #28
0
bool QgsAlignRaster::createAndWarp( const Item& raster )
{
  GDALDriverH hDriver = GDALGetDriverByName( "GTiff" );
  if ( !hDriver )
  {
    mErrorMessage = QString( "GDALGetDriverByName(GTiff) failed." );
    return false;
  }

  // Open the source file.
  GDALDatasetH hSrcDS = GDALOpen( raster.inputFilename.toLocal8Bit().constData(), GA_ReadOnly );
  if ( !hSrcDS )
  {
    mErrorMessage = QObject::tr( "Unable to open input file: " ) + raster.inputFilename;
    return false;
  }

  // Create output with same datatype as first input band.

  int bandCount = GDALGetRasterCount( hSrcDS );
  GDALDataType eDT = GDALGetRasterDataType( GDALGetRasterBand( hSrcDS, 1 ) );

  // Create the output file.
  GDALDatasetH hDstDS;
  hDstDS = GDALCreate( hDriver, raster.outputFilename.toLocal8Bit().constData(), mXSize, mYSize,
                       bandCount, eDT, NULL );
  if ( !hDstDS )
  {
    GDALClose( hSrcDS );
    mErrorMessage = QObject::tr( "Unable to create output file: " ) + raster.outputFilename;
    return false;
  }

  // Write out the projection definition.
  GDALSetProjection( hDstDS, mCrsWkt.toAscii().constData() );
  GDALSetGeoTransform( hDstDS, ( double* )mGeoTransform );

  // Copy the color table, if required.
  GDALColorTableH hCT = GDALGetRasterColorTable( GDALGetRasterBand( hSrcDS, 1 ) );
  if ( hCT != NULL )
    GDALSetRasterColorTable( GDALGetRasterBand( hDstDS, 1 ), hCT );

  // -----------------------------------------------------------------------

  // Setup warp options.
  GDALWarpOptions* psWarpOptions = GDALCreateWarpOptions();
  psWarpOptions->hSrcDS = hSrcDS;
  psWarpOptions->hDstDS = hDstDS;

  psWarpOptions->nBandCount = GDALGetRasterCount( hSrcDS );
  psWarpOptions->panSrcBands = ( int * ) CPLMalloc( sizeof( int ) * psWarpOptions->nBandCount );
  psWarpOptions->panDstBands = ( int * ) CPLMalloc( sizeof( int ) * psWarpOptions->nBandCount );
  for ( int i = 0; i < psWarpOptions->nBandCount; ++i )
  {
    psWarpOptions->panSrcBands[i] = i + 1;
    psWarpOptions->panDstBands[i] = i + 1;
  }

  psWarpOptions->eResampleAlg = ( GDALResampleAlg ) raster.resampleMethod;

  // our progress function
  psWarpOptions->pfnProgress = _progress;
  psWarpOptions->pProgressArg = this;

  // Establish reprojection transformer.
  psWarpOptions->pTransformerArg =
    GDALCreateGenImgProjTransformer( hSrcDS, GDALGetProjectionRef( hSrcDS ),
                                     hDstDS, GDALGetProjectionRef( hDstDS ),
                                     FALSE, 0.0, 1 );
  psWarpOptions->pfnTransformer = GDALGenImgProjTransform;

  double rescaleArg[2];
  if ( raster.rescaleValues )
  {
    rescaleArg[0] = raster.srcCellSizeInDestCRS; // source cell size
    rescaleArg[1] = mCellSizeX * mCellSizeY;  // destination cell size
    psWarpOptions->pfnPreWarpChunkProcessor = rescalePreWarpChunkProcessor;
    psWarpOptions->pfnPostWarpChunkProcessor = rescalePostWarpChunkProcessor;
    psWarpOptions->pPreWarpProcessorArg = rescaleArg;
    psWarpOptions->pPostWarpProcessorArg = rescaleArg;
    // force use of float32 data type as that is what our pre/post-processor uses
    psWarpOptions->eWorkingDataType = GDT_Float32;
  }

  // Initialize and execute the warp operation.
  GDALWarpOperation oOperation;
  oOperation.Initialize( psWarpOptions );
  oOperation.ChunkAndWarpImage( 0, 0, mXSize, mYSize );

  GDALDestroyGenImgProjTransformer( psWarpOptions->pTransformerArg );
  GDALDestroyWarpOptions( psWarpOptions );

  GDALClose( hDstDS );
  GDALClose( hSrcDS );
  return true;
}
Beispiel #29
0
int main( int argc, char ** argv )

{
    /* Check that we are running against at least GDAL 1.4 (probably older in fact !) */
    /* Note to developers : if we use newer API, please change the requirement */
    if (atoi(GDALVersionInfo("VERSION_NUM")) < 1400)
    {
        fprintf(stderr, "At least, GDAL >= 1.4.0 is required for this version of %s, "
                "which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME);
        exit(1);
    }

/* -------------------------------------------------------------------- */
/*      Generic arg processing.                                         */
/* -------------------------------------------------------------------- */
    GDALAllRegister();
    GDALSetCacheMax( 100000000 );
    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );
    
/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    int i;
    const char *pszOutFile = NULL;
    const char *pszInFile = NULL;
    int nMaxNonBlack = 2;
    int nNearDist = 15;
    int bNearWhite = FALSE;
    int bSetAlpha = FALSE;
    int bSetMask = FALSE;
    const char* pszDriverName = "HFA";
    int bFormatExplicitelySet = FALSE;
    char** papszCreationOptions = NULL;
    int bQuiet = FALSE;

    Colors oColors;
    
    for( i = 1; i < argc; i++ )
    {
        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(argv[i], "-o") && i < argc-1 )
            pszOutFile = argv[++i];
        else if( EQUAL(argv[i], "-of") && i < argc-1 )
        {
            pszDriverName = argv[++i];
            bFormatExplicitelySet = TRUE;
        }
        else if( EQUAL(argv[i], "-white") ) {
            bNearWhite = TRUE;
        }

        /***** -color c1,c2,c3...cn *****/
        
        else if( EQUAL(argv[i], "-color") && i < argc-1 ) {
            Color oColor;
            
            /***** tokenize the arg on , *****/
            
            char **papszTokens;
            papszTokens = CSLTokenizeString2( argv[++i], ",", 0 );

            /***** loop over the tokens *****/
            
            int iToken;
            for( iToken = 0; papszTokens && papszTokens[iToken]; iToken++ )
            {

                /***** ensure the token is an int and add it to the color *****/
                
                if ( IsInt( papszTokens[iToken] ) )
                    oColor.push_back( atoi( papszTokens[iToken] ) );
                else {
                    CPLError(CE_Failure, CPLE_AppDefined,
                             "Colors must be valid integers." );
                    CSLDestroy( papszTokens );
                    exit(1);
                }
            }
            
            CSLDestroy( papszTokens );

            /***** check if the number of bands is consistant *****/

            if ( oColors.size() > 0 &&
                 oColors.front().size() != oColor.size() )
            {
                CPLError(CE_Failure, CPLE_AppDefined,
                         "ERROR: all -color args must have the same number of values.\n" );
                exit(1);
            }

            /***** add the color to the colors *****/
            
            oColors.push_back( oColor );
            
        }
        
        else if( EQUAL(argv[i], "-nb") && i < argc-1 )
            nMaxNonBlack = atoi(argv[++i]);
        else if( EQUAL(argv[i], "-near") && i < argc-1 )
            nNearDist = atoi(argv[++i]);
        else if( EQUAL(argv[i], "-setalpha") )
            bSetAlpha = TRUE;
        else if( EQUAL(argv[i], "-setmask") )
            bSetMask = TRUE;
        else if( EQUAL(argv[i], "-q") || EQUAL(argv[i], "-quiet") )
            bQuiet = TRUE;
        else if( EQUAL(argv[i], "-co") && i < argc-1 )
            papszCreationOptions = CSLAddString(papszCreationOptions, argv[++i]);
        else if( argv[i][0] == '-' )
            Usage();
        else if( pszInFile == NULL )
            pszInFile = argv[i];
        else
            Usage();
    }

    if( pszInFile == NULL )
        Usage();

    if( pszOutFile == NULL )
        pszOutFile = pszInFile;

/* -------------------------------------------------------------------- */
/*      Open input file.                                                */
/* -------------------------------------------------------------------- */
    GDALDatasetH hInDS, hOutDS = NULL;
    int nXSize, nYSize, nBands;

    if( pszOutFile == pszInFile )
        hInDS = hOutDS = GDALOpen( pszInFile, GA_Update );
    else
        hInDS = GDALOpen( pszInFile, GA_ReadOnly );

    if( hInDS == NULL )
        exit( 1 );

    nXSize = GDALGetRasterXSize( hInDS );
    nYSize = GDALGetRasterYSize( hInDS );
    nBands = GDALGetRasterCount( hInDS );
    int nDstBands = nBands;

    if( hOutDS != NULL && papszCreationOptions != NULL)
    {
        CPLError(CE_Warning, CPLE_AppDefined,
                  "Warning: creation options are ignored when writing to an existing file.");
    }

/* -------------------------------------------------------------------- */
/*      Do we need to create output file?                               */
/* -------------------------------------------------------------------- */
    if( hOutDS == NULL )
    {
        GDALDriverH hDriver = GDALGetDriverByName( pszDriverName );
        if (hDriver == NULL)
            exit(1);

        if (!bQuiet && !bFormatExplicitelySet)
            CheckExtensionConsistency(pszOutFile, pszDriverName);

        if (bSetAlpha)
        {
            /***** fixme there should be a way to preserve alpha band data not in the collar *****/
            if (nBands == 4)
                nBands --;
            else
                nDstBands ++;
        }

        if (bSetMask)
        {
            if (nBands == 4)
                nDstBands = nBands = 3;
        }

        hOutDS = GDALCreate( hDriver, pszOutFile, 
                             nXSize, nYSize, nDstBands, GDT_Byte, 
                             papszCreationOptions );
        if( hOutDS == NULL )
            exit( 1 );

        double adfGeoTransform[6];

        if( GDALGetGeoTransform( hInDS, adfGeoTransform ) == CE_None )
        {
            GDALSetGeoTransform( hOutDS, adfGeoTransform );
            GDALSetProjection( hOutDS, GDALGetProjectionRef( hInDS ) );
        }
    }
    else
    {
        if (bSetAlpha)
        {
            if (nBands != 4 &&
                (nBands < 2 ||
                 GDALGetRasterColorInterpretation(GDALGetRasterBand(hOutDS, nBands)) != GCI_AlphaBand))
            {
                CPLError(CE_Failure, CPLE_AppDefined,
                        "Last band is not an alpha band.");
                exit(1);
            }

            nBands --;
        }

        if (bSetMask)
        {
            if (nBands == 4)
                nDstBands = nBands = 3;
        }
    }

    /***** set a color if there are no colors set? *****/

    if ( oColors.size() == 0) {
        Color oColor;

        /***** loop over the bands to get the right number of values *****/

        int iBand;
        for (iBand = 0; iBand < nBands ; iBand++) {

            /***** black or white? *****/

            if (bNearWhite) 
                oColor.push_back(255);
            else
                oColor.push_back(0);
        }

        /***** add the color to the colors *****/

        oColors.push_back(oColor);
            
    }

    /***** does the number of bands match the number of color values? *****/

    if ( (int)oColors.front().size() != nBands ) {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "-color args must have the same number of values as the non alpha input band count.\n" );
        exit(1); 
    }

    /***** check the input and output datasets are the same size *****/
    
    if (GDALGetRasterXSize(hOutDS) != nXSize ||
        GDALGetRasterYSize(hOutDS) != nYSize)
    {
        CPLError(CE_Failure, CPLE_AppDefined,
                 "The dimensions of the output dataset don't match "
                 "the dimensions of the input dataset.");
        exit(1);
    }


    int iBand;
    for( iBand = 0; iBand < nBands; iBand++ )
    {
        GDALRasterBandH hBand = GDALGetRasterBand(hInDS, iBand+1);
        if (GDALGetRasterDataType(hBand) != GDT_Byte)
        {
            CPLError(CE_Warning, CPLE_AppDefined,
                     "Band %d is not of type GDT_Byte. It can lead to unexpected results.", iBand+1);
        }
        if (GDALGetRasterColorTable(hBand) != NULL)
        {
            CPLError(CE_Warning, CPLE_AppDefined,
                     "Band %d has a color table, which is ignored by nearblack. "
                     "It can lead to unexpected results.", iBand+1);
        }
    }

    GDALRasterBandH hMaskBand = NULL;
    
    if (bSetMask) {

        /***** if there isn't already a mask band on the output file create one *****/
        
        if ( GMF_PER_DATASET != GDALGetMaskFlags( GDALGetRasterBand(hOutDS, 1) ) )
        {

            if ( CE_None != GDALCreateDatasetMaskBand(hOutDS, GMF_PER_DATASET) ) {
                CPLError(CE_Failure, CPLE_AppDefined,
                         "Failed to create mask band on output DS");
                bSetMask = FALSE;
            }
        }

        if (bSetMask) {
            hMaskBand = GDALGetMaskBand(GDALGetRasterBand(hOutDS, 1));
        }
    }

/* -------------------------------------------------------------------- */
/*      Allocate a line buffer.                                         */
/* -------------------------------------------------------------------- */
    GByte *pabyLine;
    GByte *pabyMask=NULL;
    
    int   *panLastLineCounts;

    pabyLine = (GByte *) CPLMalloc(nXSize * nDstBands);
    
    if (bSetMask)
        pabyMask = (GByte *) CPLMalloc(nXSize);
    
    panLastLineCounts = (int *) CPLCalloc(sizeof(int),nXSize);

/* -------------------------------------------------------------------- */
/*      Processing data one line at a time.                             */
/* -------------------------------------------------------------------- */
    int iLine;

    for( iLine = 0; iLine < nYSize; iLine++ )
    {
        CPLErr eErr;

        eErr = GDALDatasetRasterIO( hInDS, GF_Read, 0, iLine, nXSize, 1, 
                                    pabyLine, nXSize, 1, GDT_Byte, 
                                    nBands, NULL, nDstBands, nXSize * nDstBands, 1 );
        if( eErr != CE_None )
            break;
        
        if (bSetAlpha)
        {
            int iCol;
            for(iCol = 0; iCol < nXSize; iCol ++)
            {
                pabyLine[iCol * nDstBands + nDstBands - 1] = 255;
            }
        }
        
        if (bSetMask)
        {
            int iCol;
            for(iCol = 0; iCol < nXSize; iCol ++)
            {
                pabyMask[iCol] = 255;
            }
        }
        
        ProcessLine( pabyLine, pabyMask, 0, nXSize-1, nBands, nDstBands,
                     nNearDist, nMaxNonBlack, bNearWhite, &oColors,
                     panLastLineCounts,
                     TRUE, // bDoHorizontalCheck
                     TRUE, // bDoVerticalCheck
                     FALSE // bBottomUp
                    );
        ProcessLine( pabyLine, pabyMask, nXSize-1, 0, nBands, nDstBands,
                     nNearDist, nMaxNonBlack, bNearWhite, &oColors,
                     panLastLineCounts,
                     TRUE,  // bDoHorizontalCheck
                     FALSE, // bDoVerticalCheck
                     FALSE  // bBottomUp
                    );
        
        eErr = GDALDatasetRasterIO( hOutDS, GF_Write, 0, iLine, nXSize, 1, 
                                    pabyLine, nXSize, 1, GDT_Byte, 
                                    nDstBands, NULL, nDstBands, nXSize * nDstBands, 1 );

        if( eErr != CE_None )
            break;
    
        /***** write out the mask band line *****/

        if (bSetMask) {

            eErr = GDALRasterIO ( hMaskBand, GF_Write, 0, iLine, nXSize, 1,
                                  pabyMask, nXSize, 1, GDT_Byte,
                                  0, 0 );
                             
            if( eErr != CE_None ) {
                CPLError(CE_Warning, CPLE_AppDefined,
                         "ERROR writeing out line to mask band.");
               break;
            }
        }
        
        if (!bQuiet)
            GDALTermProgress( 0.5 * ((iLine+1) / (double) nYSize), NULL, NULL );
    }

/* -------------------------------------------------------------------- */
/*      Now process from the bottom back up                            .*/
/* -------------------------------------------------------------------- */
    memset( panLastLineCounts, 0, sizeof(int) * nXSize);
    
    for( iLine = nYSize-1; iLine >= 0; iLine-- )
    {
        CPLErr eErr;

        eErr = GDALDatasetRasterIO( hOutDS, GF_Read, 0, iLine, nXSize, 1, 
                                    pabyLine, nXSize, 1, GDT_Byte, 
                                    nDstBands, NULL, nDstBands, nXSize * nDstBands, 1 );
        if( eErr != CE_None )
            break;

        /***** read the mask band line back in *****/

        if (bSetMask) {

            eErr = GDALRasterIO ( hMaskBand, GF_Read, 0, iLine, nXSize, 1,
                                  pabyMask, nXSize, 1, GDT_Byte,
                                  0, 0 );
                             
                                
            if( eErr != CE_None )
                break;
        }

        
        ProcessLine( pabyLine, pabyMask, 0, nXSize-1, nBands, nDstBands,
                     nNearDist, nMaxNonBlack, bNearWhite, &oColors,
                     panLastLineCounts,
                     TRUE, // bDoHorizontalCheck
                     TRUE, // bDoVerticalCheck
                     TRUE  // bBottomUp
                   );
        ProcessLine( pabyLine, pabyMask, nXSize-1, 0, nBands, nDstBands,
                     nNearDist, nMaxNonBlack, bNearWhite, &oColors,
                     panLastLineCounts,
                     TRUE,  // bDoHorizontalCheck
                     FALSE, // bDoVerticalCheck
                     TRUE   // bBottomUp
                    );
        
        eErr = GDALDatasetRasterIO( hOutDS, GF_Write, 0, iLine, nXSize, 1, 
                                    pabyLine, nXSize, 1, GDT_Byte, 
                                    nDstBands, NULL, nDstBands, nXSize * nDstBands, 1 );
        if( eErr != CE_None )
            break;

        /***** write out the mask band line *****/

        if (bSetMask) {

            eErr = GDALRasterIO ( hMaskBand, GF_Write, 0, iLine, nXSize, 1,
                                  pabyMask, nXSize, 1, GDT_Byte,
                                  0, 0 );
                             
                                
            if( eErr != CE_None )
                break;
        }

        
        if (!bQuiet)
            GDALTermProgress( 0.5 + 0.5 * (nYSize-iLine) / (double) nYSize, 
                            NULL, NULL );
    }

    CPLFree(pabyLine);
    if (bSetMask)
        CPLFree(pabyMask);
    
    CPLFree( panLastLineCounts );

    GDALClose( hOutDS );
    if( hInDS != hOutDS )
        GDALClose( hInDS );
    GDALDumpOpenDatasets( stderr );
    CSLDestroy( argv );
    CSLDestroy( papszCreationOptions );
    GDALDestroyDriverManager();
    
    return 0;
}
Beispiel #30
0
int main( int argc, char ** argv )

{
    GDALDatasetH	hSrcDS, hDstDS;
    const char         *pszFormat = "GTiff";
    char               *pszTargetSRS = NULL;
    char               *pszSourceSRS = NULL;
    const char         *pszSrcFilename = NULL, *pszDstFilename = NULL;
    int                 bCreateOutput = FALSE, i, nOrder = 0;
    void               *hTransformArg, *hGenImgProjArg=NULL, *hApproxArg=NULL;
    char               **papszWarpOptions = NULL;
    double             dfErrorThreshold = 0.125;
    GDALTransformerFunc pfnTransformer = NULL;
    char                **papszCreateOptions = NULL;

    GDALAllRegister();

/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    for( i = 1; i < argc; i++ )
    {
        if( EQUAL(argv[i],"--version") )
        {
            printf( "%s\n", GDALVersionInfo( "--version" ) );
            exit( 0 );
        }
        else if( EQUAL(argv[i],"--formats") )
        {
            int iDr;

            printf( "Supported Formats:\n" );
            for( iDr = 0; iDr < GDALGetDriverCount(); iDr++ )
            {
                GDALDriverH hDriver = GDALGetDriver(iDr);
                
                printf( "  %s: %s\n",
                        GDALGetDriverShortName( hDriver ),
                        GDALGetDriverLongName( hDriver ) );
            }

            exit( 0 );
        }
        else if( EQUAL(argv[i],"-co") && i < argc-1 )
        {
            papszCreateOptions = CSLAddString( papszCreateOptions, argv[++i] );
            bCreateOutput = TRUE;
        }   
        else if( EQUAL(argv[i],"-of") && i < argc-1 )
        {
            pszFormat = argv[++i];
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-t_srs") && i < argc-1 )
        {
            pszTargetSRS = SanitizeSRS(argv[++i]);
        }
        else if( EQUAL(argv[i],"-s_srs") && i < argc-1 )
        {
            pszSourceSRS = SanitizeSRS(argv[++i]);
        }
        else if( EQUAL(argv[i],"-order") && i < argc-1 )
        {
            nOrder = atoi(argv[++i]);
        }
        else if( EQUAL(argv[i],"-et") && i < argc-1 )
        {
            dfErrorThreshold = CPLAtof(argv[++i]);
        }
        else if( EQUAL(argv[i],"-tr") && i < argc-2 )
        {
            dfXRes = CPLAtof(argv[++i]);
            dfYRes = fabs(CPLAtof(argv[++i]));
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-ts") && i < argc-2 )
        {
            nForcePixels = atoi(argv[++i]);
            nForceLines = atoi(argv[++i]);
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-te") && i < argc-4 )
        {
            dfMinX = CPLAtof(argv[++i]);
            dfMinY = CPLAtof(argv[++i]);
            dfMaxX = CPLAtof(argv[++i]);
            dfMaxY = CPLAtof(argv[++i]);
            bCreateOutput = TRUE;
        }
        else if( argv[i][0] == '-' )
            Usage();
        else if( pszSrcFilename == NULL )
            pszSrcFilename = argv[i];
        else if( pszDstFilename == NULL )
            pszDstFilename = argv[i];
        else
            Usage();
    }

    if( pszDstFilename == NULL )
        Usage();

/* -------------------------------------------------------------------- */
/*      Open source dataset.                                            */
/* -------------------------------------------------------------------- */
    hSrcDS = GDALOpen( pszSrcFilename, GA_ReadOnly );
    
    if( hSrcDS == NULL )
        exit( 2 );

/* -------------------------------------------------------------------- */
/*      Check that there's at least one raster band                     */
/* -------------------------------------------------------------------- */
    if ( GDALGetRasterCount(hSrcDS) == 0 )
    {
        fprintf(stderr, "Input file %s has no raster bands.\n", pszSrcFilename );
        exit( 2 );
    }

    if( pszSourceSRS == NULL )
    {
        if( GDALGetProjectionRef( hSrcDS ) != NULL 
            && strlen(GDALGetProjectionRef( hSrcDS )) > 0 )
            pszSourceSRS = CPLStrdup(GDALGetProjectionRef( hSrcDS ));

        else if( GDALGetGCPProjection( hSrcDS ) != NULL
                 && strlen(GDALGetGCPProjection(hSrcDS)) > 0 
                 && GDALGetGCPCount( hSrcDS ) > 1 )
            pszSourceSRS = CPLStrdup(GDALGetGCPProjection( hSrcDS ));
        else
            pszSourceSRS = CPLStrdup("");
    }

    if( pszTargetSRS == NULL )
        pszTargetSRS = CPLStrdup(pszSourceSRS);

/* -------------------------------------------------------------------- */
/*      Does the output dataset already exist?                          */
/* -------------------------------------------------------------------- */
    CPLPushErrorHandler( CPLQuietErrorHandler );
    hDstDS = GDALOpen( pszDstFilename, GA_Update );
    CPLPopErrorHandler();

    if( hDstDS != NULL && bCreateOutput )
    {
        fprintf( stderr, 
                 "Output dataset %s exists,\n"
                 "but some commandline options were provided indicating a new dataset\n"
                 "should be created.  Please delete existing dataset and run again.",
                 pszDstFilename );
        exit( 1 );
    }

/* -------------------------------------------------------------------- */
/*      If not, we need to create it.                                   */
/* -------------------------------------------------------------------- */
    if( hDstDS == NULL )
    {
        hDstDS = GDALWarpCreateOutput( hSrcDS, pszDstFilename, pszFormat, 
                                       pszSourceSRS, pszTargetSRS, nOrder,
                                       papszCreateOptions );
        papszWarpOptions = CSLSetNameValue( papszWarpOptions, "INIT", "0" );
        CSLDestroy( papszCreateOptions );
        papszCreateOptions = NULL;
    }

    if( hDstDS == NULL )
        exit( 1 );

/* -------------------------------------------------------------------- */
/*      Create a transformation object from the source to               */
/*      destination coordinate system.                                  */
/* -------------------------------------------------------------------- */
    hTransformArg = hGenImgProjArg = 
        GDALCreateGenImgProjTransformer( hSrcDS, pszSourceSRS, 
                                         hDstDS, pszTargetSRS, 
                                         TRUE, 1000.0, nOrder );

    if( hTransformArg == NULL )
        exit( 1 );

    pfnTransformer = GDALGenImgProjTransform;

/* -------------------------------------------------------------------- */
/*      Warp the transformer with a linear approximator unless the      */
/*      acceptable error is zero.                                       */
/* -------------------------------------------------------------------- */
    if( dfErrorThreshold != 0.0 )
    {
        hTransformArg = hApproxArg = 
            GDALCreateApproxTransformer( GDALGenImgProjTransform, 
                                         hGenImgProjArg, dfErrorThreshold );
        pfnTransformer = GDALApproxTransform;
    }

/* -------------------------------------------------------------------- */
/*      Now actually invoke the warper to do the work.                  */
/* -------------------------------------------------------------------- */
    GDALSimpleImageWarp( hSrcDS, hDstDS, 0, NULL, 
                         pfnTransformer, hTransformArg,
                         GDALTermProgress, NULL, papszWarpOptions );

    CSLDestroy( papszWarpOptions );

    if( hApproxArg != NULL )
        GDALDestroyApproxTransformer( hApproxArg );

    if( hGenImgProjArg != NULL )
        GDALDestroyGenImgProjTransformer( hGenImgProjArg );

/* -------------------------------------------------------------------- */
/*      Cleanup.                                                        */
/* -------------------------------------------------------------------- */
    GDALClose( hDstDS );
    GDALClose( hSrcDS );

    GDALDumpOpenDatasets( stderr );

    GDALDestroyDriverManager();
    
    exit( 0 );
}