Re: [gdal-dev] gdal datum shift

2011-04-13 Thread Brian Wilson
Thanks Frank I had guessed that I might have to use -s_srs but doing I saw no tangible results hence my request for more verbose output. "--debug on" was very useful as was PROJ_DEBUG. As you surmised, the datum "NAD83_High_Accuracy_Regional_Network" is not recognized as +datum=NAD83 Then I foun

Re: [gdal-dev] gdal datum shift

2011-04-13 Thread Frank Warmerdam
On 11-04-12 06:07 PM, Brian Wilson wrote: Trying to get a raster to go from NAD83 to NAD27 with gdalwarp. Can't see any way to tell how it is choosing to do it. Is this documented anywhere? Is there any way to make it verbose so I can tell if it's trying? I ran it through strace and watched it

[gdal-dev] gdal datum shift

2011-04-12 Thread Brian Wilson
Trying to get a raster to go from NAD83 to NAD27 with gdalwarp. Can't see any way to tell how it is choosing to do it. Is this documented anywhere? Is there any way to make it verbose so I can tell if it's trying? I ran it through strace and watched it open a file called gdal_datum.csv but of cour