Am 13.05.2013 12:34, schrieb Juan Pedro Pérez Alcántara:
However, I'm still wondering... is GDAL using the local PROJ4 installation?
Or does datum shiftings by itself? If so, why not to rely on PROJ4?
GDAL brings its own database, which is in sync with PROJ4. At least on
Windows it will not
Hi Andre,
thanks so much for the quick answer, this is perfect for scripting.
However, I'm still wondering... is GDAL using the local PROJ4 installation?
Or does datum shiftings by itself? If so, why not to rely on PROJ4?
And using the grid is something we always want to do. Is there any place i
Am 10.05.2013 18:07, schrieb Juan Pedro Pérez Alcántara:
How can I make GDAL to use a NTv2 grid to shift between some datums?
You have to tell GDAL where to find your shift gridin your file system:
cs2cs +init=epsg:4326 +to +proj=tmerc +lat_0=0 +lon_0=6 +k=1
+x_0=250 +y_0=0 +ellps=bess
Hi there,
after spending a lot of time with gdaltransform, I'm at a loss trying to
figure out how to make a datum shifting using a NTv2 grid.
First, I'm not sure if GDAL use my PROJ4 installation to perform the
shifting. My PostGIS certainly does, as well as other software that relies
on PROJ. I'
