Re: [gdal-dev] Can't read transformation coefficients from tiff

2011-04-07 Thread Chaitanya kumar CH
Chris, GDAL is using the GCPs for location information. On Thu, Apr 7, 2011 at 4:08 PM, Goo Creations wrote: > Yes, here it is: > > > > Size is 8415, 1368 > Coordinate System is `' > GCP Projection = > GEOGCS["WGS 84", > DATUM["WGS_1984", > SPHEROID["WGS 84",6378137,298.257223563, >

Re: [gdal-dev] Can't read transformation coefficients from tiff

2011-04-07 Thread Chaitanya kumar CH
Chris, Can you provide the gdalinfo output of the geotiff? On Thu, Apr 7, 2011 at 2:29 PM, Goo Creations wrote: > I've worked through some QGis code and noticed that if this happens, > GDALAutoCreateWarpedVRT is called on the image to create a copy. So > GDALAutoCreateWarpedVRT somehow retrieves

Re: [gdal-dev] Can't read transformation coefficients from tiff

2011-04-07 Thread Chaitanya kumar CH
Chris, What did you use to view the image? Were you able to read any other Geo related data with that? On Thu, Apr 7, 2011 at 1:56 PM, Goo Creations wrote: > Hi all > > I tried to read the transformation coefficients by using > GDALDataset::GetGeoTransform. This function however returned CE_Fail

[gdal-dev] Can't read transformation coefficients from tiff

2011-04-07 Thread Goo Creations
Hi all I tried to read the transformation coefficients by using GDALDataset::GetGeoTransform. This function however returned CE_Failure, so i assume that the values are not stored in the metadat. When I view the image, the image is rotated. There is no world file or anything that could cause the r