Ejemplo n.º 1
0
    void object::test<2>()
    {
        ensure("SRS UTM handle is NULL", NULL != srs_utm_);
        ensure("SRS LL handle is NULL", NULL != srs_ll_);

        err_ = OSRSetUTM(srs_utm_, 11, TRUE);
        ensure_equals("Can't set UTM zone", err_, OGRERR_NONE);

        err_ = OSRSetWellKnownGeogCS(srs_utm_, "WGS84");
        ensure_equals("Can't set GeogCS", err_, OGRERR_NONE);

        err_ = OSRSetWellKnownGeogCS(srs_ll_, "WGS84");
        ensure_equals("Can't set GeogCS", err_, OGRERR_NONE);

        ct_ = OCTNewCoordinateTransformation(srs_ll_, srs_utm_);
        ensure("PROJ.4 missing, transforms not available", NULL != ct_);

        const int size = 1;
        double x[size] = { -117.5 };
        double y[size] = { 32.0 };
        double z[size] = { 0.0  };

        ensure_equals("OCTTransform() failed",
            OCTTransform(ct_, size, x, y, z), TRUE);

        ensure("Wrong X from LL to UTM result",
            std::fabs(x[0] - 452772.06) <= 0.01);
        ensure("Wrong Y from LL to UTM result",
            std::fabs(y[0] - 3540544.89) <= 0.01);
        ensure("Wrong Z from LL to UTM result",
            std::fabs(z[0] - 0.0) <= 0.01);
    }
Ejemplo n.º 2
0
void Reprojection::initialize()
{
    Filter::initialize();

    checkImpedance();

    if (m_inferInputSRS)
    {
        m_inSRS = getPrevStage().getSpatialReference();
    }

#ifdef PDAL_HAVE_GDAL

    m_gdal_debug = boost::shared_ptr<pdal::gdal::Debug>( new pdal::gdal::Debug(isDebug(), log()));

    m_in_ref_ptr = ReferencePtr(OSRNewSpatialReference(0), OGRSpatialReferenceDeleter());
    m_out_ref_ptr = ReferencePtr(OSRNewSpatialReference(0), OGRSpatialReferenceDeleter());
    
    int result = OSRSetFromUserInput(m_in_ref_ptr.get(), m_inSRS.getWKT(pdal::SpatialReference::eCompoundOK).c_str());
    if (result != OGRERR_NONE) 
    {
        std::ostringstream msg; 
        msg << "Could not import input spatial reference for ReprojectionFilter:: " 
            << CPLGetLastErrorMsg() << " code: " << result 
            << " wkt: '" << m_inSRS.getWKT() << "'";
        throw std::runtime_error(msg.str());
    }
    
    result = OSRSetFromUserInput(m_out_ref_ptr.get(), m_outSRS.getWKT(pdal::SpatialReference::eCompoundOK).c_str());
    if (result != OGRERR_NONE) 
    {
        std::ostringstream msg; 
        msg << "Could not import output spatial reference for ReprojectionFilter:: " 
            << CPLGetLastErrorMsg() << " code: " << result 
            << " wkt: '" << m_outSRS.getWKT() << "'";
        std::string message(msg.str());
        throw std::runtime_error(message);
    }
    m_transform_ptr = TransformPtr(OCTNewCoordinateTransformation( m_in_ref_ptr.get(), m_out_ref_ptr.get()), OSRTransformDeleter());
    
    if (!m_transform_ptr.get())
    {
        std::ostringstream msg; 
        msg << "Could not construct CoordinateTransformation in ReprojectionFilter:: ";
        std::string message(msg.str());
        throw std::runtime_error(message);
    }    
    
#endif
    
    setSpatialReference(m_outSRS);

    updateBounds();

    return;
}
Ejemplo n.º 3
0
void InPlaceReprojection::initialize()
{
    Filter::initialize();

    if (m_inferInputSRS)
    {
        m_inSRS = getPrevStage().getSpatialReference();
    }

#ifdef PDAL_HAVE_GDAL
    
    pdal::GlobalEnvironment::get().getGDALDebug()->addLog(log());

    m_in_ref_ptr = ReferencePtr(OSRNewSpatialReference(0), OGRSpatialReferenceDeleter());
    m_out_ref_ptr = ReferencePtr(OSRNewSpatialReference(0), OGRSpatialReferenceDeleter());

    int result = OSRSetFromUserInput(m_in_ref_ptr.get(), m_inSRS.getWKT(pdal::SpatialReference::eCompoundOK).c_str());
    if (result != OGRERR_NONE)
    {
        std::ostringstream msg;
        msg << "Could not import input spatial reference for InPlaceReprojection:: "
            << CPLGetLastErrorMsg() << " code: " << result
            << " wkt: '" << m_inSRS.getWKT() << "'";
        throw std::runtime_error(msg.str());
    }

    result = OSRSetFromUserInput(m_out_ref_ptr.get(), m_outSRS.getWKT(pdal::SpatialReference::eCompoundOK).c_str());
    if (result != OGRERR_NONE)
    {
        std::ostringstream msg;
        msg << "Could not import output spatial reference for InPlaceReprojection:: "
            << CPLGetLastErrorMsg() << " code: " << result
            << " wkt: '" << m_outSRS.getWKT() << "'";
        std::string message(msg.str());
        throw std::runtime_error(message);
    }
    m_transform_ptr = TransformPtr(OCTNewCoordinateTransformation(m_in_ref_ptr.get(), m_out_ref_ptr.get()), OSRTransformDeleter());

    if (!m_transform_ptr.get())
    {
        std::ostringstream msg;
        msg << "Could not construct CoordinateTransformation in InPlaceReprojection:: ";
        std::string message(msg.str());
        throw std::runtime_error(message);
    }

#endif

    setSpatialReference(m_outSRS);
    
    Schema& s = getSchemaRef();
    s = alterSchema(s);


    return;
}
Ejemplo n.º 4
0
void OgrFileImport::importFeature(MapPart* map_part, OGRFeatureDefnH feature_definition, OGRFeatureH feature, OGRGeometryH geometry)
{
	to_map_coord = &OgrFileImport::fromProjected;
	auto new_srs = OGR_G_GetSpatialReference(geometry);
	if (new_srs && data_srs != new_srs)
	{
		// New SRS, indeed.
		
		auto transformation = ogr::unique_transformation{ OCTNewCoordinateTransformation(new_srs, map_srs.get()) };
		if (!transformation)
		{
			++no_transformation;
			return;
		}
		
		// Commit change to data srs and coordinate transformation
		data_srs = new_srs;
		data_transform = std::move(transformation);
	}
	
	if (new_srs)
	{
		auto error = OGR_G_Transform(geometry, data_transform.get());
		if (error)
		{
			++failed_transformation;
			return;
		}
	}
	else if (!drawing_from_projected)
	{
		to_map_coord = &OgrFileImport::fromDrawing;
	}
	
	auto object = importGeometry(map_part, feature, geometry);
	
	if (object && feature_definition)
	{
		auto num_fields = OGR_FD_GetFieldCount(feature_definition);
		for (int i = 0; i < num_fields; ++i)
		{
			auto value = OGR_F_GetFieldAsString(feature, i);
			if (value && qstrlen(value) > 0)
			{
				auto field_definition = OGR_FD_GetFieldDefn(feature_definition, i);
				object->setTag(OGR_Fld_GetNameRef(field_definition), value);
			}
		}
	}
}
Ejemplo n.º 5
0
void ReprojectionFilter::ready(PointTableRef table)
{
    if (m_inferInputSRS)
    {
        m_inSRS = table.spatialRef();
        if (m_inSRS.getWKT().empty())
            throw pdal_error("Source data has no spatial reference and none "
                "is specified with the 'in_srs' option.");
    }

    m_in_ref_ptr = ReferencePtr(OSRNewSpatialReference(0),
        OGRSpatialReferenceDeleter());
    m_out_ref_ptr = ReferencePtr(OSRNewSpatialReference(0),
        OGRSpatialReferenceDeleter());

    int result =
        OSRSetFromUserInput(m_in_ref_ptr.get(),
            m_inSRS.getWKT(pdal::SpatialReference::eCompoundOK).c_str());
    if (result != OGRERR_NONE)
    {
        std::ostringstream msg;
        msg << "Invalid input spatial reference '" << m_inSRS.getWKT() <<
            "'.  This is usually caused by a bad value for the 'in_srs'"
            "option or an invalid spatial reference in the source file.";
        throw pdal_error(msg.str());
    }

    result = OSRSetFromUserInput(m_out_ref_ptr.get(),
        m_outSRS.getWKT(pdal::SpatialReference::eCompoundOK).c_str());
    if (result != OGRERR_NONE)
    {
        std::ostringstream msg;
        msg << "Invalid output spatial reference '" << m_outSRS.getWKT() <<
            "'.  This is usually caused by a bad value for the 'out_srs'"
            "option.";
        throw pdal_error(msg.str());
    }
    m_transform_ptr = TransformPtr(
        OCTNewCoordinateTransformation(m_in_ref_ptr.get(),
            m_out_ref_ptr.get()), OSRTransformDeleter());

    if (!m_transform_ptr.get())
    {
        std::string msg = "Could not construct CoordinateTransformation in "
            "ReprojectionFilter:: ";
        throw std::runtime_error(msg);
    }

    setSpatialReference(m_outSRS);
}
Ejemplo n.º 6
0
    void object::test<1>()
    {
        ensure("SRS UTM handle is NULL", NULL != srs_utm_);
        ensure("SRS LL handle is NULL", NULL != srs_ll_);

        err_ = OSRSetUTM(srs_utm_, 11, TRUE);
        ensure_equals("Can't set UTM zone", err_, OGRERR_NONE);

        err_ = OSRSetWellKnownGeogCS(srs_utm_, "WGS84");
        ensure_equals("Can't set GeogCS", err_, OGRERR_NONE);

        err_ = OSRSetWellKnownGeogCS(srs_ll_, "WGS84");
        ensure_equals("Can't set GeogCS", err_, OGRERR_NONE);

        ct_ = OCTNewCoordinateTransformation(srs_ll_, srs_utm_);
        ensure("PROJ.4 missing, transforms not available", NULL != ct_);
    }
Ejemplo n.º 7
0
    void object::test<3>()
    {
        ensure("SRS UTM handle is NULL", NULL != srs_utm_);
        ensure("SRS LL handle is NULL", NULL != srs_ll_);

        err_ = OSRSetUTM(srs_utm_, 11, TRUE);
        ensure_equals("Can't set UTM zone", err_, OGRERR_NONE);

        err_ = OSRSetWellKnownGeogCS(srs_utm_, "WGS84");
        ensure_equals("Can't set GeogCS", err_, OGRERR_NONE);

        err_ = OSRSetWellKnownGeogCS(srs_ll_, "WGS84");
        ensure_equals("Can't set GeogCS", err_, OGRERR_NONE);

        ct_ = OCTNewCoordinateTransformation(srs_ll_, srs_utm_);
        ensure("PROJ.4 missing, transforms not available", NULL != ct_);

        const char* wkt = "POINT(-117.5 32.0)";
        OGRGeometryH geom = NULL;
        err_ = OGR_G_CreateFromWkt((char**) &wkt, NULL, &geom);
        ensure_equals("Can't import geometry from WKT", OGRERR_NONE, err_);
        ensure("Can't create geometry", NULL != geom);

        err_ = OGR_G_Transform(geom, ct_);
        ensure_equals("OGR_G_Transform() failed", err_, OGRERR_NONE);

        OGRSpatialReferenceH srs = NULL;
        srs = OGR_G_GetSpatialReference(geom);
        
        char* wktSrs = NULL;
        err_ = OSRExportToPrettyWkt(srs, &wktSrs, FALSE);
        ensure("Exported SRS to WKT is NULL", NULL != wktSrs);

        std::string pretty(wktSrs);
        ensure_equals("SRS output is incorrect", pretty.substr(0, 6), std::string("PROJCS"));

        OGRFree(wktSrs);
        OGR_G_DestroyGeometry(geom);
    }
Ejemplo n.º 8
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;
}
Ejemplo n.º 9
0
static dErr VHTCaseSetUp_Jako(VHTCase scase)
{
  VHTCase_Jako *jako = scase->data;
  dErr err;
  OGRErr oerr;

  dFunctionBegin;
  jako->utmref = OSRNewSpatialReference(NULL);
  oerr = OSRSetProjCS(jako->utmref,"UTM 22N (WGS84)");dOGRCHK(oerr);
  oerr = OSRSetWellKnownGeogCS(jako->utmref,"WGS84");dOGRCHK(oerr);
  oerr = OSRSetUTM(jako->utmref,22,1);dOGRCHK(oerr);
  oerr = OSRSetLinearUnits(jako->utmref,SRS_UL_METER,1.0);dOGRCHK(oerr);

  jako->llref  = OSRNewSpatialReference(NULL);
  oerr = OSRSetWellKnownGeogCS(jako->llref,"WGS84");dOGRCHK(oerr);

  jako->ianref = OSRNewSpatialReference(NULL);
  oerr = OSRSetProjCS(jako->ianref,"Stereographic Greenland (WGS84)");dOGRCHK(oerr);
  oerr = OSRSetWellKnownGeogCS(jako->ianref,"WGS84");dOGRCHK(oerr);
  oerr = OSRSetStereographic(jako->ianref,70.0,-45.0,100.0,-217.75e3,-2302.0e3);dOGRCHK(oerr);

  // The computational domain is in UTM 22N
  jako->myref = OSRNewSpatialReference(NULL);
  oerr = OSRSetProjCS(jako->myref,"Computational Domain: UTM 22N (WGS84)");dOGRCHK(oerr);
  oerr = OSRSetWellKnownGeogCS(jako->myref,"WGS84");dOGRCHK(oerr);
  oerr = OSRSetUTM(jako->myref,22,1);dOGRCHK(oerr);
  oerr = OSRSetLinearUnits(jako->myref,SRS_UL_METER,1.0);dOGRCHK(oerr);

  jako->fromutm = OCTNewCoordinateTransformation(jako->utmref,jako->myref);
  jako->fromll  = OCTNewCoordinateTransformation(jako->llref,jako->myref);
  jako->fromian = OCTNewCoordinateTransformation(jako->ianref,jako->myref);

  if (jako->verbose) {err = VHTCaseView_Jako(scase,PETSC_VIEWER_STDOUT_WORLD);dCHK(err);}

  if (1) {
    GDALProgressFunc gdalprogress = jako->verbose ? GDALTermProgress : GDALDummyProgress;
    double x0,y0,Lx,Ly,dx,dy;
    GDALDatasetH filedata;
    GDALErr gerr;
    GDALRasterBandH band;
    CPLErr cplerr;

    x0 = scase->bbox[0][0];
    y0 = scase->bbox[1][0];
    Lx = scase->bbox[0][1] - x0;
    Ly = scase->bbox[1][1] - y0;
    // It appears from gdalwarp.cpp that pixels are cell centered
    dx = Lx / jako->nx;
    dy = Ly / jako->ny;

    // Extend the domain in the positive direction for slope evaluation
    jako->nx += 2;
    jako->ny += 2;
    Lx += 2*dx;
    Ly += 2*dy;

    // Convert a pixel to a physical coordinate in the current projection
    jako->mygeo[0] = x0 + dx/2;
    jako->mygeo[1] = dx;
    jako->mygeo[2] = 0;
    jako->mygeo[3] = y0 + Ly - dy/2; // Physical coordinates are "y up", pixels are "y down"
    jako->mygeo[4] = 0;
    jako->mygeo[5] = -dy;

    // Convert a physical coordinate in the current projection to a pixel coordinate
    gerr = GDALInvGeoTransform(jako->mygeo,jako->myinvgeo);dGDALCHK(gerr);
    if (jako->verbose) {
      dInt i,j;
      double a,b;
      err = dRealTableView(3,2,&scase->bbox[0][0],PETSC_VIEWER_STDOUT_WORLD,"bbox");dCHK(err);
      err = dRealTableView(2,3,jako->mygeo,PETSC_VIEWER_STDOUT_WORLD,"mygeo");dCHK(err);
      GDALApplyGeoTransform(jako->mygeo,0,0,&a,&b); printf("geo[0,0] = %f,%f\n",a,b);
      GDALApplyGeoTransform(jako->mygeo,1,1,&a,&b); printf("geo[1,1] = %f,%f\n",a,b);
      GDALApplyGeoTransform(jako->mygeo,0.5,0.5,&a,&b); printf("geo[0.5,0.5] = %f,%f\n",a,b);
      err = JakoFindPixel(scase,(dReal[]){scase->bbox[0][0],scase->bbox[1][0]},&i,&j);dCHK(err);
      printf("xmin,ymin: (%d,%d)\n",i,j);
      err = JakoFindPixel(scase,(dReal[]){scase->bbox[0][1],scase->bbox[1][1]},&i,&j);dCHK(err);
      printf("xmax,ymax: (%d,%d)\n",i,j);
    }
Ejemplo n.º 10
0
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;
}
Ejemplo n.º 11
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 );
}
Ejemplo n.º 12
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 );
}
Ejemplo n.º 13
0
int main(int argc, char *argv[])
{
    GDALDatasetH  hDataset = NULL;
    OGRDataSourceH hDS = NULL;
    OGRSFDriverH *pahDriver = NULL;
    OGRLayerH hLR = NULL;
    OGREnvelope hEnv;


    double adfGeoTransform[6];
    int columns, lines;
    double minx, miny, maxx, maxy, x, y, z;
    register int i;
    FILE *fin=NULL;

    if(argc != 2)
    {
        printf("Usage: geo_extents <input file>\n");
        return 1;
    }

    GDALAllRegister();
    OGRRegisterAll();



    char *egsa = "PROJCS[\"GGRS87 / Greek Grid\",GEOGCS[\"GGRS87\",DATUM[\"Greek_Geodetic_Reference_System_1987\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],TOWGS84[-199.87,74.79,246.62,0,0,0,0],AUTHORITY[\"EPSG\",\"6121\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4121\"]],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",24],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],AUTHORITY[\"EPSG\",\"2100\"],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]";
    char *wgs = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]]";

    OGRSpatialReferenceH oSourceSRS;
    OGRSpatialReferenceH oTargetSRS;

    oSourceSRS = OSRNewSpatialReference(NULL);
    oTargetSRS = OSRNewSpatialReference(NULL);
    OSRImportFromWkt(oSourceSRS, &egsa);
    OSRImportFromWkt(oTargetSRS, &wgs);

    OGRCoordinateTransformationH poCT;
    poCT = OCTNewCoordinateTransformation(oSourceSRS, oTargetSRS);

    hDataset = GDALOpen(argv[1], GA_ReadOnly);
    if(hDataset != NULL)//It is raster
    {
        columns = GDALGetRasterXSize(hDataset);
        lines = GDALGetRasterYSize(hDataset);

        if(GDALGetGeoTransform(hDataset, adfGeoTransform) == CE_None)
        {
            minx = (adfGeoTransform[0] - (adfGeoTransform[1] / 2));
            maxy = (adfGeoTransform[3] - (adfGeoTransform[5] / 2));
            miny = (maxy + ((lines + 1) * adfGeoTransform[5]));
            maxx = (minx + (adfGeoTransform[1] * (columns + 1)));
            OCTTransform(poCT, 1, &minx, &miny, 0);
            OCTTransform(poCT, 1, &maxx, &maxy, 0);
            printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy);
            GDALClose (hDataset);
        }
        else
        {
            printf("Failure: No Georeference info found for this raster file\n");
            return 0;
        }
    }
    else//Try if it is vector
    {
        hDS = OGROpen( argv[1], FALSE , pahDriver );
        if( hDS == NULL )//Not vector
        {
            //Parse for DTM file
            fin=fopen(argv[1],"r");
            fseek(fin,0L,SEEK_SET);
            minx=50000000.0;
            miny=50000000.0;
            maxx=0.0;
            maxy=0.0;
            while(!feof(fin))
            {
                fscanf(fin,"%lf,%lf,%lf\n",&x,&y,&z);

                if(ferror(fin))//input error
                {
                    printf("Failure: Unsupported file type\n");
                    return 0;
                }

                if(x>maxx) maxx=x;
                if(y>maxy) maxy=y;
                if(x<minx) minx=x;
                if(y<miny) miny=y;
            }

            if(minx==50000000.0 || miny==50000000.0)
            {
                printf("Failure: Unsupported file type\n");
                return 0;
            }

            if(maxx==0 || maxy==0)
            {
                printf("Failure: Unsupported file type\n");
                return 0;
            }

            if(minx==maxx)
            {
                minx-=1;
                maxx+=1;
            }
            if(miny==maxy)
            {
                miny-=1;
                maxy+=1;
            }

            //DTM file
            OCTTransform(poCT, 1, &minx, &miny, 0);
            OCTTransform(poCT, 1, &maxx, &maxy, 0);
            printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy);
            return 0;
        }

        //It is vector
        for(i=0; i< OGR_DS_GetLayerCount (hDS); i++)
        {
            hLR = OGR_DS_GetLayer(hDS, i);
            if(OGR_L_GetExtent (hLR, &hEnv, FALSE) == OGRERR_NONE)
            {
                minx = hEnv.MinX;
                miny = hEnv.MinY;
                maxx = hEnv.MaxX;
                maxy = hEnv.MaxY;
                OCTTransform(poCT, 1, &minx, &miny, 0);
                OCTTransform(poCT, 1, &maxx, &maxy, 0);
                printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy);
            }
        }

        OGRReleaseDataSource( hDS );

    }
    return 0;
}
Ejemplo n.º 14
0
int SpatialReference::computeUTMZone(const BOX3D& box) const
{
    // Nothing we can do if we're an empty SRS
    if (empty())
        return 0;

    OGRSpatialReferenceH current =
        OSRNewSpatialReference(getWKT(eHorizontalOnly, false).c_str());
    if (! current)
        throw std::invalid_argument("Could not fetch current SRS");

    OGRSpatialReferenceH wgs84 = OSRNewSpatialReference(0);

    if (OSRSetFromUserInput(wgs84, "EPSG:4326") != OGRERR_NONE)
    {
        OSRDestroySpatialReference(current);
        OSRDestroySpatialReference(wgs84);
        std::ostringstream msg;
        msg << "Could not import GDAL input spatial reference for WGS84";
        throw std::runtime_error(msg.str());
    }

    void* transform = OCTNewCoordinateTransformation(current, wgs84);

    if (! transform)
    {
        OSRDestroySpatialReference(current);
        OSRDestroySpatialReference(wgs84);
        throw std::invalid_argument("could not comput transform from "
            "coordinate system to WGS84");
    }

    double minx(0.0), miny(0.0), minz(0.0);
    double maxx(0.0), maxy(0.0), maxz(0.0);

    // OCTTransform modifies values in-place
    minx = box.minx; miny = box.miny; minz = box.minz;
    maxx = box.maxx; maxy = box.maxy; maxz = box.maxz;

    int ret = OCTTransform(transform, 1, &minx, &miny, &minz);
    if (ret == 0)
    {
        OCTDestroyCoordinateTransformation(transform);
        OSRDestroySpatialReference(current);
        OSRDestroySpatialReference(wgs84);
        std::ostringstream msg;
        msg << "Could not project minimum point for computeUTMZone::" <<
            CPLGetLastErrorMsg() << ret;
        throw pdal_error(msg.str());
    }

    ret = OCTTransform(transform, 1, &maxx, &maxy, &maxz);
    if (ret == 0)
    {
        OCTDestroyCoordinateTransformation(transform);
        OSRDestroySpatialReference(current);
        OSRDestroySpatialReference(wgs84);
        std::ostringstream msg;
        msg << "Could not project maximum point for computeUTMZone::" <<
            CPLGetLastErrorMsg() << ret;
        throw pdal_error(msg.str());
    }

    int min_zone(0);
    int max_zone(0);
    min_zone = calculateZone(minx, miny);
    max_zone = calculateZone(maxx, maxy);

    if (min_zone != max_zone)
    {
        OCTDestroyCoordinateTransformation(transform);
        OSRDestroySpatialReference(current);
        OSRDestroySpatialReference(wgs84);
        std::ostringstream msg;
        msg << "Minimum zone is " << min_zone <<"' and maximum zone is '" <<
            max_zone << "'. They do not match because they cross a "
            "zone boundary";
        throw pdal_error(msg.str());
    }

    OCTDestroyCoordinateTransformation(transform);
    OSRDestroySpatialReference(current);
    OSRDestroySpatialReference(wgs84);

    return min_zone;
}
Ejemplo n.º 15
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 );
} 
Ejemplo n.º 16
0
int main( int argc, char ** argv )

{
    const char         *pszLocX = NULL, *pszLocY = NULL;
    const char         *pszSrcFilename = NULL;
    char               *pszSourceSRS = NULL;
    std::vector<int>   anBandList;
    bool               bAsXML = false, bLIFOnly = false;
    bool               bQuiet = false, bValOnly = false;
    int                nOverview = -1;
    char             **papszOpenOptions = NULL;

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

/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    int i;

    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],"-b") && i < argc-1 )
        {
            anBandList.push_back( atoi(argv[++i]) );
        }
        else if( EQUAL(argv[i],"-overview") && i < argc-1 )
        {
            nOverview = atoi(argv[++i]) - 1;
        }
        else if( EQUAL(argv[i],"-l_srs") && i < argc-1 )
        {
            CPLFree(pszSourceSRS);
            pszSourceSRS = SanitizeSRS(argv[++i]);
        }
        else if( EQUAL(argv[i],"-geoloc") )
        {
            CPLFree(pszSourceSRS);
            pszSourceSRS = CPLStrdup("-geoloc");
        }
        else if( EQUAL(argv[i],"-wgs84") )
        {
            CPLFree(pszSourceSRS);
            pszSourceSRS = SanitizeSRS("WGS84");
        }
        else if( EQUAL(argv[i],"-xml") )
        {
            bAsXML = true;
        }
        else if( EQUAL(argv[i],"-lifonly") )
        {
            bLIFOnly = true;
            bQuiet = true;
        }
        else if( EQUAL(argv[i],"-valonly") )
        {
            bValOnly = true;
            bQuiet = true;
        }
        else if( EQUAL(argv[i], "-oo") && i < argc-1 )
        {
            papszOpenOptions = CSLAddString( papszOpenOptions,
                                                argv[++i] );
        }
        else if( argv[i][0] == '-' && !isdigit(argv[i][1]) )
            Usage();

        else if( pszSrcFilename == NULL )
            pszSrcFilename = argv[i];

        else if( pszLocX == NULL )
            pszLocX = argv[i];

        else if( pszLocY == NULL )
            pszLocY = argv[i];

        else
            Usage();
    }

    if( pszSrcFilename == NULL || (pszLocX != NULL && pszLocY == NULL) )
        Usage();

/* -------------------------------------------------------------------- */
/*      Open source file.                                               */
/* -------------------------------------------------------------------- */
    GDALDatasetH hSrcDS = NULL;

    hSrcDS = GDALOpenEx( pszSrcFilename, GDAL_OF_RASTER, NULL,
                           (const char* const* )papszOpenOptions, NULL );
    if( hSrcDS == NULL )
        exit( 1 );

/* -------------------------------------------------------------------- */
/*      Setup coordinate transformation, if required                    */
/* -------------------------------------------------------------------- */
    OGRSpatialReferenceH hSrcSRS = NULL, hTrgSRS = NULL;
    OGRCoordinateTransformationH hCT = NULL;
    if( pszSourceSRS != NULL && !EQUAL(pszSourceSRS,"-geoloc") )
    {

        hSrcSRS = OSRNewSpatialReference( pszSourceSRS );
        hTrgSRS = OSRNewSpatialReference( GDALGetProjectionRef( hSrcDS ) );

        hCT = OCTNewCoordinateTransformation( hSrcSRS, hTrgSRS );
        if( hCT == NULL )
            exit( 1 );
    }

/* -------------------------------------------------------------------- */
/*      If no bands were requested, we will query them all.             */
/* -------------------------------------------------------------------- */
    if( anBandList.size() == 0 )
    {
        for( i = 0; i < GDALGetRasterCount( hSrcDS ); i++ )
            anBandList.push_back( i+1 );
    }
    
/* -------------------------------------------------------------------- */
/*      Turn the location into a pixel and line location.               */
/* -------------------------------------------------------------------- */
    int inputAvailable = 1;
    double dfGeoX;
    double dfGeoY;
    CPLString osXML;

    if( pszLocX == NULL && pszLocY == NULL )
    {
        if (fscanf(stdin, "%lf %lf", &dfGeoX, &dfGeoY) != 2)
        {
            inputAvailable = 0;
        }
    }
    else
    {
        dfGeoX = CPLAtof(pszLocX);
        dfGeoY = CPLAtof(pszLocY);
    }

    while (inputAvailable)
    {
        int iPixel, iLine;

        if (hCT)
        {
            if( !OCTTransform( hCT, 1, &dfGeoX, &dfGeoY, NULL ) )
                exit( 1 );
        }
    
        if( pszSourceSRS != NULL )
        {
            double adfGeoTransform[6], adfInvGeoTransform[6];
    
            if( GDALGetGeoTransform( hSrcDS, adfGeoTransform ) != CE_None )
            {
                CPLError(CE_Failure, CPLE_AppDefined, "Cannot get geotransform");
                exit( 1 );
            }
    
            if( !GDALInvGeoTransform( adfGeoTransform, adfInvGeoTransform ) )
            {
                CPLError(CE_Failure, CPLE_AppDefined, "Cannot invert geotransform");
                exit( 1 );
            }
    
            iPixel = (int) floor(
                adfInvGeoTransform[0] 
                + adfInvGeoTransform[1] * dfGeoX
                + adfInvGeoTransform[2] * dfGeoY );
            iLine = (int) floor(
                adfInvGeoTransform[3] 
                + adfInvGeoTransform[4] * dfGeoX
                + adfInvGeoTransform[5] * dfGeoY );
        }
        else
        {
            iPixel = (int) floor(dfGeoX);
            iLine  = (int) floor(dfGeoY);
        }

    /* -------------------------------------------------------------------- */
    /*      Prepare report.                                                 */
    /* -------------------------------------------------------------------- */
        CPLString osLine;
    
        if( bAsXML )
        {
            osLine.Printf( "<Report pixel=\"%d\" line=\"%d\">", 
                          iPixel, iLine );
            osXML += osLine;
        }
        else if( !bQuiet )
        {
            printf( "Report:\n" );
            printf( "  Location: (%dP,%dL)\n", iPixel, iLine );
        }

        int bPixelReport = TRUE;

        if( iPixel < 0 || iLine < 0 
            || iPixel >= GDALGetRasterXSize( hSrcDS )
            || iLine  >= GDALGetRasterYSize( hSrcDS ) )
        {
            if( bAsXML )
                osXML += "<Alert>Location is off this file! No further details to report.</Alert>";
            else if( bValOnly )
                printf("\n");
            else if( !bQuiet )
                printf( "\nLocation is off this file! No further details to report.\n");
            bPixelReport = FALSE;
        }

    /* -------------------------------------------------------------------- */
    /*      Process each band.                                              */
    /* -------------------------------------------------------------------- */
        for( i = 0; bPixelReport && i < (int) anBandList.size(); i++ )
        {
            GDALRasterBandH hBand = GDALGetRasterBand( hSrcDS, anBandList[i] );

            int iPixelToQuery = iPixel;
            int iLineToQuery = iLine;

            if (nOverview >= 0 && hBand != NULL)
            {
                GDALRasterBandH hOvrBand = GDALGetOverview(hBand, nOverview);
                if (hOvrBand != NULL)
                {
                    int nOvrXSize = GDALGetRasterBandXSize(hOvrBand);
                    int nOvrYSize = GDALGetRasterBandYSize(hOvrBand);
                    iPixelToQuery = (int)(0.5 + 1.0 * iPixel / GDALGetRasterXSize( hSrcDS ) * nOvrXSize);
                    iLineToQuery = (int)(0.5 + 1.0 * iLine / GDALGetRasterYSize( hSrcDS ) * nOvrYSize);
                    if (iPixelToQuery >= nOvrXSize)
                        iPixelToQuery = nOvrXSize - 1;
                    if (iLineToQuery >= nOvrYSize)
                        iLineToQuery = nOvrYSize - 1;
                }
                else
                {
                    CPLError(CE_Failure, CPLE_AppDefined,
                             "Cannot get overview %d of band %d",
                             nOverview + 1, anBandList[i] );
                }
                hBand = hOvrBand;
            }

            if (hBand == NULL)
                continue;

            if( bAsXML )
            {
                osLine.Printf( "<BandReport band=\"%d\">", anBandList[i] );
                osXML += osLine;
            }
            else if( !bQuiet )
            {
                printf( "  Band %d:\n", anBandList[i] );
            }
    
    /* -------------------------------------------------------------------- */
    /*      Request location info for this location.  It is possible        */
    /*      only the VRT driver actually supports this.                     */
    /* -------------------------------------------------------------------- */
            CPLString osItem;
            
            osItem.Printf( "Pixel_%d_%d", iPixelToQuery, iLineToQuery );
            
            const char *pszLI = GDALGetMetadataItem( hBand, osItem, "LocationInfo");
    
            if( pszLI != NULL )
            {
                if( bAsXML )
                    osXML += pszLI;
                else if( !bQuiet )
                    printf( "    %s\n", pszLI );
                else if( bLIFOnly )
                {
                    /* Extract all files, if any. */
                 
                    CPLXMLNode *psRoot = CPLParseXMLString( pszLI );
                    
                    if( psRoot != NULL 
                        && psRoot->psChild != NULL
                        && psRoot->eType == CXT_Element
                        && EQUAL(psRoot->pszValue,"LocationInfo") )
                    {
                        CPLXMLNode *psNode;
    
                        for( psNode = psRoot->psChild;
                             psNode != NULL;
                             psNode = psNode->psNext )
                        {
                            if( psNode->eType == CXT_Element
                                && EQUAL(psNode->pszValue,"File") 
                                && psNode->psChild != NULL )
                            {
                                char* pszUnescaped = CPLUnescapeString(
                                    psNode->psChild->pszValue, NULL, CPLES_XML);
                                printf( "%s\n", pszUnescaped );
                                CPLFree(pszUnescaped);
                            }
                        }
                    }
                    CPLDestroyXMLNode( psRoot );
                }
            }
    
    /* -------------------------------------------------------------------- */
    /*      Report the pixel value of this band.                            */
    /* -------------------------------------------------------------------- */
            double adfPixel[2];
    
            if( GDALRasterIO( hBand, GF_Read, iPixelToQuery, iLineToQuery, 1, 1, 
                              adfPixel, 1, 1, GDT_CFloat64, 0, 0) == CE_None )
            {
                CPLString osValue;
    
                if( GDALDataTypeIsComplex( GDALGetRasterDataType( hBand ) ) )
                    osValue.Printf( "%.15g+%.15gi", adfPixel[0], adfPixel[1] );
                else
                    osValue.Printf( "%.15g", adfPixel[0] );
    
                if( bAsXML )
                {
                    osXML += "<Value>";
                    osXML += osValue;
                    osXML += "</Value>";
                }
                else if( !bQuiet )
                    printf( "    Value: %s\n", osValue.c_str() );
                else if( bValOnly )
                    printf( "%s\n", osValue.c_str() );
    
                // Report unscaled if we have scale/offset values.
                int bSuccess;
                
                double dfOffset = GDALGetRasterOffset( hBand, &bSuccess );
                double dfScale  = GDALGetRasterScale( hBand, &bSuccess );
    
                if( dfOffset != 0.0 || dfScale != 1.0 )
                {
                    adfPixel[0] = adfPixel[0] * dfScale + dfOffset;
                    adfPixel[1] = adfPixel[1] * dfScale + dfOffset;
    
                    if( GDALDataTypeIsComplex( GDALGetRasterDataType( hBand ) ) )
                        osValue.Printf( "%.15g+%.15gi", adfPixel[0], adfPixel[1] );
                    else
                        osValue.Printf( "%.15g", adfPixel[0] );
    
                    if( bAsXML )
                    {
                        osXML += "<DescaledValue>";
                        osXML += osValue;
                        osXML += "</DescaledValue>";
                    }
                    else if( !bQuiet )
                        printf( "    Descaled Value: %s\n", osValue.c_str() );
                }
            }
    
            if( bAsXML )
                osXML += "</BandReport>";
        }

        osXML += "</Report>";
    
        if( (pszLocX != NULL && pszLocY != NULL)  ||
            (fscanf(stdin, "%lf %lf", &dfGeoX, &dfGeoY) != 2) )
        {
            inputAvailable = 0;
        }
            
    }

/* -------------------------------------------------------------------- */
/*      Finalize xml report and print.                                  */
/* -------------------------------------------------------------------- */
    if( bAsXML )
    {
        CPLXMLNode *psRoot;
        char *pszFormattedXML;


        psRoot = CPLParseXMLString( osXML );
        pszFormattedXML = CPLSerializeXMLTree( psRoot );
        CPLDestroyXMLNode( psRoot );

        printf( "%s", pszFormattedXML );
        CPLFree( pszFormattedXML );
    }

/* -------------------------------------------------------------------- */
/*      Cleanup                                                         */
/* -------------------------------------------------------------------- */
    if (hCT) {
        OSRDestroySpatialReference( hSrcSRS );
        OSRDestroySpatialReference( hTrgSRS );
        OCTDestroyCoordinateTransformation( hCT );
    }

    if (hSrcDS)
        GDALClose(hSrcDS);

    GDALDumpOpenDatasets( stderr );
    GDALDestroyDriverManager();
    CPLFree(pszSourceSRS);
    CSLDestroy(papszOpenOptions);

    CSLDestroy( argv );

    return 0;
}