[gdal-dev] Confused about coordinate transformations

[Etienne Tourigny]

Marc, if you get the same error with ogr2ogr/gdal_translate/gdalwarp,
it means that your destination srs is not supported.  What is the
definition that you use for the destination srs?

On Tue, Oct 18, 2011 at 8:13 AM,  <dev4cx4m9z at snkmail.com> wrote:
> My program does MANY other things that GDAL can’t. I’m using GDAL as a small
> part of something much larger. I need to do the transformation at runtime.
>
>
>
> Marc,
>
> proj4 usually comes with the gdal library. Instead of coding your own
> program, first try the ogr2ogr utility[1] that comes with the gdal library.
>
> [1]: http://www.gdal.org/ogr2ogr.html
>
> On Tue, Oct 18, 2011 at 1:36 PM, <dev4cx4m9z at snkmail.com> wrote:
>
> I have a GIS database with all coordinates stored in WGS84 datum. I am
> trying to translate the coordinates of the database to the datum of my map.
> I am creating two OGRSpatialReference, one for WGS84 and one for the current
> map. I am then creating an OGRCoordinateTransformation. When I do so I get a
> PROJ.4 error – “No PROJ.4 translation for destination SRS, coordinate
> transformation initialisation has failed”
>
>
>
> Question – Do I HAVE to use PROJ.4 to do the translation? Can I not just
> load the SRS with a WKT? I wish to avoid PROJ.4 as I’m unsure how to build
> it.
>
>
>
> _______________________________________
>
> Marc Hillman, Melbourne, Australia
>
> http://users.tpg.com.au/users/mhillman/
>
> marc .hillman @ t p g . c o m . a u
>
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> Chaitanya kumar CH.
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