[R-sig-Geo] rgdal 1.0-7

[Thiago V. dos Santos]

Hi Roger,

Thanks for the updated rgdal and for all the information. After upgrading rgdal earlier today I got the warning message for nearly all raster/sp/rgdal operations in R.

On a Mac running Yosemite, this is the path I had to copy the proj_def.dat file to (or where I had to create a new file based on the link you've provided):
 
/opt/local/share/proj/

This path assumes that PROJ was installed from MacPorts on its default directory. 

Regards,
Thiago.





On Monday, September 7, 2015 6:07 AM, Roger Bivand <Roger.Bivand at nhh.no> wrote:
A new version of rgdal has been accepted on CRAN. Users of CRAN binary 
packages for Windows and OSX should not see any changes.

Other users of rgdal built against unpatched PROJ 4.9.1 will now see 
(possibly many):

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

messages (also when rgdal is loaded silently by sp). This relates to the 
release of PROJ 4.9.1 (an external dependency of rgdal), which by mistake 
missed the proj_def.dat file of defaults, see this thread for a 
discussion:

https://stat.ethz.ch/pipermail/r-sig-geo/2015-May/022849.html

The original fix to rgdal turned out (recently) not to be sufficient, so 
please be aware that the use of +init= and +datum= on affected systems may 
have erroneously injected the wrong +ellps= value. This release of rgdal 
addresses these specific problems, but only a fresh release of PROJ will 
resolve it.

Debian users may find it useful that a 4.9.1-3 version of proj-data now 
has the errant file (on sid):

https://packages.debian.org/sid/all/proj-data/filelist

(thanks to Sebastiaan Couwenberg reacting very rapidly to my reminder 
posted yesterday on the proj list).

If you update rgdal with an unpatched PROJ, you should see these messages 
if you do anything with CRS objects. This will go away when a new PROJ 
release appears, or until you add the missing file:

https://github.com/OSGeo/proj.4/blob/master/nad/proj_def.dat

to your PROJ_LIB location.

Roger

-- 
Roger Bivand
Department of Economics, Norwegian School of Economics,
Helleveien 30, N-5045 Bergen, Norway.
voice: +47 55 95 93 55; fax +47 55 95 91 00
e-mail: Roger.Bivand at nhh.no

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