[GRASS-dev] [GRASS GIS] #2564: r.what: remove 400 maps limit and add some new output options

GRASS GIS trac at osgeo.org
Wed Dec 9 01:19:12 PST 2015


#2564: r.what: remove 400 maps limit and add some new output options
--------------------------+-------------------------
  Reporter:  sbl          |      Owner:  grass-dev@…
      Type:  enhancement  |     Status:  new
  Priority:  normal       |  Milestone:  7.1.0
 Component:  Raster       |    Version:  svn-trunk
Resolution:               |   Keywords:  r.what
       CPU:  Unspecified  |   Platform:  Unspecified
--------------------------+-------------------------

Comment (by huhabla):

 I would like to see a PyGRASS implementation of r.what that is easier to
 maintain. Especially the database handling in PyGRASS is much, much easier
 than in C. However, PyGRASS supports only sqlite and postgresql as
 backends, since it fully ignores the GRASS database library and uses
 Python bindings.

 I have implemented a simple prototype to sample a space time raster
 dataset with vector points, that allows to have a vector attribute table
 column as identifier of the points in the output. It is slower than
 t.rast.what but a good example of what can be done using PyGRASS and the
 temporal framework.

 https://bitbucket.org/huhabla/temporal-raster-sampling/overview

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Ticket URL: <http://trac.osgeo.org/grass/ticket/2564#comment:3>
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