int main(int argc, char *argv[])
{
char *fname = NULL;
char *outfile = NULL;
TIFF *tif=(TIFF*)0; /* TIFF-level descriptor */
GTIF *gtif=(GTIF*)0; /* GeoKey-level descriptor */
int i, j, norm_print_flag = 0, proj4_print_flag = 0;
int tfw_flag = 0, inv_flag = 0, dec_flag = 1;
int st_test_flag = 0;
size_t npixels;
int16* elevations;
int x, y, skip;
GTIFDefn defn;
FILE* out;
/*
* Handle command line options.
*/
for( i = 1; i < argc; i++ )
{
if( fname == NULL && argv[i][0] != '-' )
fname = argv[i];
else
{
Usage();
}
}
if( fname == NULL)
Usage();
skip = 5;
/*
* Open the file, read the GeoTIFF information, and print to stdout.
*/
int flength = strlen(fname);
outfile = (char *) malloc(flength);
strncpy(outfile,fname,flength-4);
strcat(outfile, ".asc\0");
out = fopen(outfile, "w");
printf("Writing to %s\n\n",outfile);
free(outfile);
tif=XTIFFOpen(fname,"r");
if (!tif) goto failure;
gtif = GTIFNew(tif);
if (!gtif)
{
fprintf(stderr,"failed in GTIFNew\n");
goto failure;
}
/* dump the GeoTIFF metadata to std out */
GTIFPrint(gtif,0,0);
if( GTIFGetDefn( gtif, &defn ) )
{
uint32 xsize, ysize;
printf( "\n" );
GTIFPrintDefn( &defn, stdout );
if( proj4_print_flag )
{
printf( "\n" );
printf( "PROJ.4 Definition: %s\n", GTIFGetProj4Defn(&defn));
}
int count, orient;
double* data;
TIFFGetField( tif, TIFFTAG_IMAGEWIDTH, &xsize );
TIFFGetField( tif, TIFFTAG_IMAGELENGTH, &ysize );
TIFFGetField( tif, TIFFTAG_GEOPIXELSCALE, &count, &data);
TIFFGetField( tif, TIFFTAG_ORIENTATION, &orient );
printf("Orientation:%d\n",orient);
GTIFPrintCorners( gtif, &defn, stdout, xsize, ysize, inv_flag, dec_flag );
const char* project = "ASTERGDEM";
const char* yymmdd = "090629";
double originx, originy;
GTIFImageToPCS( gtif, &originx, &originy);
int lat = (int)originy*1000;
int lon = (int)originx*1000;
int xmin = 0;
int ymin = 0;
int nx = xsize/skip + 1;
int ny = ysize/skip + 1;
int dx = 30 * skip;
int dy = 30 * skip;
int16 elev = 0;
fprintf(out, "%12s%12s%7d%7d%7d%7d%7d%7d%7d%7d\n",
project, yymmdd, lat, lon, xmin, ymin, nx, ny, dx,dy);
npixels = xsize * ysize;
int16* buf;
tsample_t sample;
int nbytes;
nbytes = TIFFScanlineSize(tif);
buf = (int16*) _TIFFmalloc(nbytes);
elevations = (int16*) _TIFFmalloc(npixels * sizeof (int16));
if (elevations != NULL) {
for( y = 0; y < ysize; y++ )
{
uint32 row = ysize - 1 - y;
TIFFReadScanline(tif, buf, row, sample);
for( x = 0; x < xsize; x++ )
{
elevations[y*xsize + x] = buf[x];
}
}
_TIFFfree(buf);
}
for( y = 0; y < ysize; y+=skip ) {
for( x = 0; x < xsize; x+=skip ) {
fprintf(out, "%6d", elevations[y*xsize + x]);
}
fprintf(out, "\n");
}
_TIFFfree(elevations);
}
Success:
GTIFFree(gtif);
if( st_test_flag )
ST_Destroy( (ST_TIFF *) tif );
else
XTIFFClose(tif);
GTIFDeaccessCSV();
return 0;
failure:
fprintf(stderr,"failure in listgeo\n");
if (tif) XTIFFClose(tif);
if (gtif) GTIFFree(gtif);
GTIFDeaccessCSV();
return 1;
}
int main(int argc, char *argv[])
{
char *fname = NULL;
TIFF *tif=(TIFF*)0; /* TIFF-level descriptor */
GTIF *gtif=(GTIF*)0; /* GeoKey-level descriptor */
int i, norm_print_flag = 1, proj4_print_flag = 0;
int tfw_flag = 0, inv_flag = 0, dec_flag = 0;
int st_test_flag = 0;
/*
* Handle command line options.
*/
for( i = 1; i < argc; i++ )
{
if( strcmp(argv[i],"-no_norm") == 0 )
norm_print_flag = 0;
else if( strcmp(argv[i],"-t") == 0 )
{
CSVDirName = argv[++i];
SetCSVFilenameHook( CSVFileOverride );
}
else if( strcmp(argv[i],"-tfw") == 0 )
tfw_flag = 1;
else if( strcmp(argv[i],"-proj4") == 0 )
proj4_print_flag = 1;
else if( strcmp(argv[i],"-i") == 0 )
inv_flag = 1;
else if( strcmp(argv[i],"-d") == 0 )
dec_flag = 1;
else if( strcmp(argv[i],"-st_test") == 0 )
{
st_test_flag = 1;
norm_print_flag = 0;
}
else if( fname == NULL && argv[i][0] != '-' )
fname = argv[i];
else
{
Usage();
}
}
if( fname == NULL && !st_test_flag )
Usage();
/*
* Open the file, read the GeoTIFF information, and print to stdout.
*/
if( st_test_flag )
{
tif = st_setup_test_info();
gtif = GTIFNewSimpleTags( tif );
}
else
{
tif=XTIFFOpen(fname,"r");
if (!tif) goto failure;
gtif = GTIFNew(tif);
if (!gtif)
{
fprintf(stderr,"failed in GTIFNew\n");
goto failure;
}
}
if( tfw_flag )
{
WriteTFWFile( gtif, fname );
goto Success;
}
/* dump the GeoTIFF metadata to std out */
GTIFPrint(gtif,0,0);
/*
* Capture, and report normalized information if requested.
*/
if( norm_print_flag )
{
GTIFDefn defn;
if( GTIFGetDefn( gtif, &defn ) )
{
int xsize, ysize;
printf( "\n" );
GTIFPrintDefn( &defn, stdout );
if( proj4_print_flag )
{
printf( "\n" );
printf( "PROJ.4 Definition: %s\n", GTIFGetProj4Defn(&defn));
}
TIFFGetField( tif, TIFFTAG_IMAGEWIDTH, &xsize );
TIFFGetField( tif, TIFFTAG_IMAGELENGTH, &ysize );
GTIFPrintCorners( gtif, &defn, stdout, xsize, ysize, inv_flag, dec_flag );
}
}
Success:
GTIFFree(gtif);
if( st_test_flag )
ST_Destroy( (ST_TIFF *) tif );
else
XTIFFClose(tif);
GTIFDeaccessCSV();
return 0;
failure:
fprintf(stderr,"failure in listgeo\n");
if (tif) XTIFFClose(tif);
if (gtif) GTIFFree(gtif);
GTIFDeaccessCSV();
return 1;
}
bool DEM::readDem(char* fname)
{
demFilename = fname;
TIFF *tif=(TIFF*)0; /* TIFF-level descriptor */
GTIF *gtif=(GTIF*)0; /* GeoKey-level descriptor */
int proj4_print_flag = 0;
int inv_flag = 0, dec_flag = 1;
int st_test_flag = 0;
GTIFDefn defn;
/*
* Open the file, read the GeoTIFF information, and print some info to stdout.
*/
tif=XTIFFOpen(fname,"r");
if (!tif) goto failure;
gtif = GTIFNew(tif);
if (!gtif)
{
fprintf(stderr,"failed in GTIFNew\n");
goto failure;
}
/* dump the GeoTIFF metadata to std out */
GTIFPrint(gtif,0,0);
if( GTIFGetDefn( gtif, &defn ) )
{
printf( "\n" );
GTIFPrintDefn( &defn, stdout );
if( proj4_print_flag )
{
printf( "\n" );
printf( "PROJ.4 Definition: %s\n", GTIFGetProj4Defn(&defn));
}
int count, orient;
double* data;
TIFFGetField( tif, TIFFTAG_IMAGEWIDTH, &xsize );
TIFFGetField( tif, TIFFTAG_IMAGELENGTH, &ysize );
TIFFGetField( tif, TIFFTAG_GEOPIXELSCALE, &count, &data);
TIFFGetField( tif, TIFFTAG_ORIENTATION, &orient );
printf("Orientation:%d\n",orient);
GTIFPrintCorners( gtif, &defn, stdout, xsize, ysize, inv_flag, dec_flag );
double originx = 0.0;
double originy = ysize;
GTIFImageToPCS( gtif, &originx, &originy);
refLat = originy;
refLon = originx;
npixels = xsize * ysize;
int16* buf;
tsample_t sample;
int nbytes;
nbytes = TIFFScanlineSize(tif);
buf = (int16*) _TIFFmalloc(nbytes);
elevations = (int16*) _TIFFmalloc(npixels * sizeof (int16));
if (elevations != NULL) {
for(unsigned int y = 0; y < ysize; y++ )
{
uint32 row = ysize - 1 - y;
TIFFReadScanline(tif, buf, row, sample);
for(unsigned int x = 0; x < xsize; x++ )
{
elevations[y*xsize + x] = buf[x];
}
}
_TIFFfree(buf);
}
_TIFFfree(elevations);
}
GTIFFree(gtif);
if( st_test_flag )
ST_Destroy( (ST_TIFF *) tif );
else
XTIFFClose(tif);
GTIFDeaccessCSV();
return true;
failure:
fprintf(stderr,"failure in listgeo\n");
if (tif) XTIFFClose(tif);
if (gtif) GTIFFree(gtif);
GTIFDeaccessCSV();
return false;
}
