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Have rt_raster_from_gdal_dataset attempt to determine the SRID of the raster using OSR.

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git-svn-id: http://svn.osgeo.org/postgis/trunk@8695 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Bborie Park 2012-01-07 15:24:08 +00:00
parent bc8ef29399
commit ff4cdc048c
1 changed files with 19 additions and 1 deletions
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20
raster/rt_core/rt_api.c
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@ -6849,6 +6849,8 @@ rt_raster_from_gdal_dataset(GDALDatasetH ds) {
int i = 0;
int status;
const char *srs = NULL;
GDALRasterBandH gdband = NULL;
GDALDataType gdpixtype = GDT_Unknown;
rt_band band;
@ -6898,8 +6900,24 @@ rt_raster_from_gdal_dataset(GDALDatasetH ds) {
/* apply raster attributes */
rt_raster_set_geotransform_matrix(rast, gt);
/* srid */
/* CANNOT SET srid AS srid IS NOT AVAILABLE IN GDAL dataset */
srs = GDALGetProjectionRef(ds);
if (srs != NULL && srs[0] != '\0') {
OGRSpatialReferenceH hSRS = OSRNewSpatialReference(NULL);
if (OSRSetFromUserInput(hSRS, srs) == OGRERR_NONE) {
const char* pszAuthorityName = OSRGetAuthorityName(hSRS, NULL);
const char* pszAuthorityCode = OSRGetAuthorityCode(hSRS, NULL);
if (
pszAuthorityName != NULL &&
strcmp(pszAuthorityName, "EPSG") == 0 &&
pszAuthorityCode != NULL
) {
rt_raster_set_srid(rast, atoi(pszAuthorityCode));
}
}
OSRDestroySpatialReference(hSRS);
}
/* copy bands */
numBands = GDALGetRasterCount(ds);