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I'm in trouble for read a raster layer in R studio software. When I run the command line for read a raster the software returns me the message:

NOTE: rgdal::checkCRSArgs: no proj_defs.dat in PROJ.4 shared files

I use OS Ubuntu 15

Somebody can help to fix this issue.

Ricardo Adelino
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1 Answers1

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This is related to a bad version of PROJ.4 that should go away if you update it. Did you do a search on "no proj_defs.dat in PROJ.4 shared files" ? You would find helpful answers, for example here

Robert Hijmans
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  • Thank, From what I understand, the problem is the absence of a "proj_def.dat" in a specific directory. I installed the recent version of libproj 4.9.1-2, and the problem remains. How can I add manually the proj_def.dat? – Ricardo Adelino Feb 01 '16 at 21:11
  • Find PROJ.4 4.9.2 – IRTFM Jan 16 '17 at 03:06