Re: [gdal-dev] Setting up GDAL Custom Transformation from ESRI GTF File

2016-04-06 Thread Derek Stuart
I've discovered that the current implementation of RAS Mapper only allows an ESRI Prj file to be read in. It uses the GDAL routines, but in a limited way. I suspect that I should be able to get RAS Mapper to access a custom transformation if I create a dummy ESPG value with the desired parameters

Re: [gdal-dev] Setting up GDAL Custom Transformation from ESRI GTF File

2016-04-03 Thread Andre Joost
Am 03.04.2016 um 14:05 schrieb Derek Stuart: Andre: The only Gulshan coordinate system I see with EPSG 4682 is a geographic coordinate system. I am using a projected coordinate system called BTM. This is a fairly new coordinate system, but it is the standard here in Bangladesh. PROJCS["BTM",GEO

Re: [gdal-dev] Setting up GDAL Custom Transformation from ESRI GTF File

2016-04-03 Thread Derek Stuart
Andre: The only Gulshan coordinate system I see with EPSG 4682 is a geographic coordinate system. I am using a projected coordinate system called BTM. This is a fairly new coordinate system, but it is the standard here in Bangladesh. PROJCS["BTM",GEOGCS["GCS_Everest_Bangladesh",DATUM["D_Everest_B

Re: [gdal-dev] Setting up GDAL Custom Transformation from ESRI GTF File

2016-03-31 Thread Andre Joost
Am 31.03.2016 um 17:16 schrieb Derek Stuart: I am using GDAL routines as part of RAS Mapper within HEC-RAS. I am coming from ArcMap where I am using a custom transformation GTF file to translate from the D_Everest_Bangladesh datum to WGS_1984. The GTF file includes the following: GEOGTRAN["ev

[gdal-dev] Setting up GDAL Custom Transformation from ESRI GTF File

2016-03-31 Thread Derek Stuart
I am using GDAL routines as part of RAS Mapper within HEC-RAS. I am coming from ArcMap where I am using a custom transformation GTF file to translate from the D_Everest_Bangladesh datum to WGS_1984. The GTF file includes the following: GEOGTRAN["ever2wgs",GEOGCS["GCS_Everest_Bangladesh",DATUM["