Re: [gdal-dev] gdalwarp vertical datum shift question

2011-04-28 Thread Frank Warmerdam
On 11-04-27 02:42 PM, Mark Warren wrote: So before we go down this route too far (since a lot of changes may be needed to the code) - does anyone think that this is a feasible idea or have any other suggestions (other than using a GIS :) )? Mark, Honestly, I think it would be better to impleme

[gdal-dev] gdalwarp vertical datum shift question

2011-04-27 Thread Mark Warren
Hi, I have a question regarding gdalwarp. We would like to update gdalwarp to be able to be used for DEM files such that a vertical datum shift can be added to the files, as well as the horizontal warp. Especially we would want to be able to use the geoidgrids vertical grid shift option. As an ex