[GRASS-dev] [GRASS GIS] #3356: v.to.db: incorrect area calculations in lat-long location

[GRASS GIS]

#3356: v.to.db: incorrect area calculations in lat-long location
--------------------------+-----------------------------------
  Reporter:  mlennert     |      Owner:  grass-dev@…
      Type:  defect       |     Status:  new
  Priority:  normal       |  Milestone:  7.4.0
 Component:  Vector       |    Version:  svn-trunk
Resolution:               |   Keywords:  v.to.db area lat-long
       CPU:  Unspecified  |   Platform:  Unspecified
--------------------------+-----------------------------------

Comment (by hellik):

 Replying to [comment:1 hellik]:
 > Replying to [ticket:3356 mlennert]:
 > > {{{
 > > $area in field calculator in QGIS:
 > > 425.1112801
 > > }}}
 >
 > just tested it with
 >
 > {{{
 > QGIS version 2.18.9 (OTF enabled)
 > }}}
 >
 > {{{
 > 1     34.815138348493
 > }}}
 >
 > and when I do manual measure in QGIS (OTF on)
 >
 > {{{
 > 32,4 m²
 > }}}

 added 2 kml files (training_single.kml and bbox of training_single by
 v.in.region) to see the polygon in real life conditions

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3356#comment:2>
GRASS GIS <https://grass.osgeo.org>