[gdal-dev] georeferencing image in Hilly terain-regarding

[Frank Warmerdam]

Sundaram Subramaniam wrote:
> 
> I would like to know  does gdalwarp uses the z coordinates of CGP data 
> for  georeferencing the raw tiff image. If yes, the is it  possible to 
> use  the DEM data thecorrection of image relief in hilly terrain.

S.Subramaniam,

No, the gdalwarp polynomial and thin plate spline transformers do not
make any use of the gcp Z's at this time, and there is no mechanism
provided for correction based on image relief in hilly regions.

OSSIM might have such a capability.

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent