#942: v.univar: please add support for geometry statistics
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Reporter: neteler | Owner: grass-dev@lists.osgeo.org
Type: enhancement | Status: new
Priority: normal | Milestone: 7.0.0
Component: default | Version: svn-trunk
Keywords: vector, statistics | Platform: Unspecified
Cpu: Unspecified |
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It would be great to have (via flag?) the possibility to generate the
univar stats of x,y[,z] point geometry for analysing optimal random
sampling,
interpolation and such. Support for points might be sufficient for most
cases. Perhaps heuristics are sufficient (like in the lidar tools in GRASS
7).
v.stats r58637 => Extract statistics from a vector map
(statistics about shape and about raster maps).
v.stats internally use (in grass-addons):
- v.area.stats r58636 => extract some statistics about
the shape (in grass-addons);
- v.to.rast => re-convert the vector to a raster map using the
vector categories to be sure that there is a correspondence
between vector and raster categories (zones).
- r.univar2 r58439 => 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 (in grass-addons);