[GRASS-dev] [GRASS GIS] #2101: Different results from m.proj in different locations

[GRASS GIS]

#2101: Different results from m.proj in different locations
---------------------------------+---------------------------------
  Reporter:  wenzeslaus          |      Owner:  grass-dev@…
      Type:  defect              |     Status:  new
  Priority:  normal              |  Milestone:  7.4.0
 Component:  Projections/Datums  |    Version:  svn-trunk
Resolution:                      |   Keywords:  m.proj, projections
       CPU:  Unspecified         |   Platform:  Unspecified
---------------------------------+---------------------------------
Changes (by neteler):

 * milestone:  7.0.6 => 7.4.0


Comment:

 I just made a new test here:

 {{{
 # part 1:
 GRASS 7.4.0svn (nc_spm_08_grass7):~/grassdata > eval $(r.info
 map=elevation -g)
 GRASS 7.4.0svn (nc_spm_08_grass7):~/grassdata > m.proj -o -d input=-
 separator=space <<EOF
 > $east $north
 > $west $south
 > EOF
 -78.60830318 35.80918894 0.00000000
 -78.77462049 35.68792712 0.00000000

 g.version -reg
 version=7.4.0svn
 date=2018
 revision=r72020
 build_date=2018-01-04
 build_platform=x86_64-pc-linux-gnu
 build_off_t_size=8
 libgis_revision=70829
 libgis_date="2017-04-04 09:43:02 +0200 (Tue, 04 Apr 2017) "
 proj4=4.9.3
 gdal=2.1.3
 geos=3.6.1
 sqlite=3.20.1
 }}}

 Then:

 {{{
 # part 2:
 GRASS 7.4.0svn (TEST):~/grassdata > g.proj -w
 PROJCS["WGS 84 / Pseudo-Mercator",
     GEOGCS["unnamed",
         DATUM["unknown",
             SPHEROID["unnamed",6378137,"inf"]],
         PRIMEM["Greenwich",0],
         UNIT["degree",0.0174532925199433]],
     PROJECTION["Mercator_2SP"],
     PARAMETER["standard_parallel_1",0],
     PARAMETER["central_meridian",0],
     PARAMETER["false_easting",0],
     PARAMETER["false_northing",0],
     UNIT["Meter",1]]

 eval $(r.proj -g input=elevation location=nc_spm_08_grass7
 mapset=PERMANENT)

 m.proj -o -d input=- separator=space <<EOF
 > $e $n
 > $w $s
 > EOF
 -78.60830318 35.80960938 0.00000000
 -78.77462049 35.68750730 0.00000000

 # expected (?)
 -78.60830318 35.80918894 0.00000000
 -78.77462049 35.68792712 0.00000000
 }}}

--
Ticket URL: <https://trac.osgeo.org/grass/ticket/2101#comment:4>
GRASS GIS <https://grass.osgeo.org>