Hi all, I would like that every time a I use gdalwarp for some EPSG codes [1] transformation it would use by default the nadgrids [2] (for Portugal and Spain) that I have under the folder '/usr/share/proj/'.
For that purpose in PostGIS I needed to add '+nadgrids=nadgrid_file_name.gsb' at the end of the line of the 'proj4text' field text in table 'spatial_ref_sys' for each EPSG code I wonted to use the nadgrid. So I suppose there must be a similar way of doing this with GDAL. How can I achieve this with GDAL? Thank's! [1] 27492,27493,20790,20791,23029,23030,23031,3763,4258,4326 [2] pt73_e89.gsb, ptLX_e89.gsb, ptLB_e89.gsb, ptED_e89.gsb, R2009V9.gsb, BALR2009.gsb Eloi Ribeiro GIS Analyst 39,45º -4,40º http://eloiribeiro.wordpress.com
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