[GRASS-dev] reshuffle raster data

GRASS GIS GRASS GIS developer
1

Hi, is there a way to reshuffle raster data in GRASS?

2

Hi,

···

On Fri, Jul 11, 2014 at 10:51 AM, Paulo van Breugel <p.vanbreugel@gmail.com> wrote:

Hi, is there a way to reshuffle raster data in GRASS?

If I understand correctly what reshuffle means, I would use GRASS Python Scripting library [1] (or PyGRASS perhaps) to load the maps into numpy and just use numpy function shuffle [2] and then write it as raster map again.

Anna

[1] http://grass.osgeo.org/programming7/classpython_1_1script_1_1array_1_1array.html
[2] http://docs.scipy.org/doc/numpy/reference/generated/numpy.random.shuffle.html

grass-dev mailing list
grass-dev@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/grass-dev

3

Thanks, I will try that.

···

On Fri, Jul 11, 2014 at 5:26 PM, Anna Petrášová <kratochanna@gmail.com> wrote:

Hi,

On Fri, Jul 11, 2014 at 10:51 AM, Paulo van Breugel <p.vanbreugel@gmail.com> wrote:

Hi, is there a way to reshuffle raster data in GRASS?

If I understand correctly what reshuffle means, I would use GRASS Python Scripting library [1] (or PyGRASS perhaps) to load the maps into numpy and just use numpy function shuffle [2] and then write it as raster map again.

Anna

[1] http://grass.osgeo.org/programming7/classpython_1_1script_1_1array_1_1array.html
[2] http://docs.scipy.org/doc/numpy/reference/generated/numpy.random.shuffle.html

grass-dev mailing list
grass-dev@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/grass-dev