Hi All, i'm trying to reproject a vector file in grass6.4.1 from a location "nad 83" to a lonlat location.
nad83 location is using the maryland parameters : g.proj -p datumtrans=0 PROJ_INFO------------------------------------------------- name : Lat/Lon proj : ll datum : nad83 ellps : grs80 no_defs : defined nadgrids : MD -PROJ_UNITS------------------------------------------------ unit : degree units : degrees meters : 1.0 ed nadgrids : MD trying to use v.proj i had : GRASS 6.4.1 (ll):~ > v.proj input=hydrol location=nad83 mapset=PERMANENT output=hidrol Reprojecting primitives: WARNING: pj_transform() failed: failed to load datum shift file ERROR: Error in pj_do_transform i guess it is not able to find the datum shift files, i checked on my system and i found that files here : i'm on osx the files are : /Library/Frameworks/PROJ.framework/Versions/4/Resources/proj i'm on osx lion using grass6.4.1, later today i can try to do the same on a linux machine using 6.4.x | 7.0 i suppose grass is able to find them when i created the location, but v.proj instead fails to load that file. have you any hints on how to fix this ? thanks! Massimo.
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