[GRASS-dev] [GRASS GIS] #3197: Memory limit issues with r.univar (when used within i.segment.stats)

[GRASS GIS]

#3197: Memory limit issues with r.univar (when used within i.segment.stats)
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  Reporter:  jpduffy  |      Owner:  grass-dev@…
      Type:  defect   |     Status:  new
  Priority:  normal   |  Milestone:  7.0.6
 Component:  Default  |    Version:  7.0.4
Resolution:           |   Keywords:
       CPU:  x86-32   |   Platform:  Linux
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Comment (by zarch):

 Replying to [ticket:3197 jpduffy]:
 > I get the following error:
 >
 > {{{
 > Calculating geometry statistics
 > Calculating statistics for raster gp_ortho.1 at gp1
 > ERROR: G_realloc: unable to allocate 572000 bytes of memory at
 > [...]
 > }}}

 I had the same problem when I was working OBIA some years ago and I wrote
 r.univar2 that it is available as grass-addons.
 r.univa2 extract some general statistics from raster using the zones
 (consume much less memory than r.univar, and compute more general
 statistics like:skewness, kurtosis, and mode. It is available here:
 https://trac.osgeo.org/grass/browser/grass-addons/grass7/raster/r.univar2

 It was not backported to trunk because it was used only by me and not
 tested enough (imho), and If I remember correctly is working only with
 zones.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3197#comment:2>
GRASS GIS <https://grass.osgeo.org>