Answered my own question - duplicated the result on a different OS.
Installed Ubuntu's packaged gdal-1.5.1 + proj-4.6.0 + geos-3.0.0 + ogdi-3.2.0
on a Virtual Machine running Ubuntu 8.10 - the Intrepid Ibex.
Exactly the same result:
@VMUBUNTU:~$ gdaltransform -s_srs EPSG:28992 -t_srs EPSG:31370
Hi,
Thanks for the reply. I'm not sure that it's due to that change however. I just
tried 1.5.1 and 1.5.2 too. They give the same result as 1.6.0. (I tried 1.4.1
too, but that doesn't have a gdaltransform command!).
1.5.1 is March 2008, and that predates the May 2008 change that you mention.
I
Looks like they may have added a towgs84 parameter to the proj definition
for 31370:
http://postgis.refractions.net/pipermail/postgis-commits/2008-May/000283.html
That would likely explain the shift - the documentation probably hasn't been
updated.
On Sat, Apr 18, 2009 at 1:53 PM, geep999 wrote
Hi,
I have own-compiled gdal-1.6.0 on Linux - Slackware 12.2.
The documentation for gdalwarp - http://www.gdal.org/gdaltransform.html - shows
an example and a result:
Simple reprojection from one projected coordinate system to another:
gdaltransform -s_srs EPSG:28992 -t_srs EPSG:31370
177502 3118