[GRASS-user] Searching for technical details on how v.rast.stats calculates means and other statistics

[RichardCooper]

I've resolved - I hadn't set g.region aligning to the raster prior to
v.to.rast:

This appears to work,with outputs from r.univar matching v.rast.stats:

g.region -p -a raster=cahpa_i0apr_05216_nc_remapped_nc_1 at prcp05216ijk
res=0.22 
g.region -p align=cahpa_i0apr_05216_nc_remapped_nc_1 at prcp05216ijk
v.to.rast --overwrite input=BMR_bndry_epsg4326 at prcp05216ijk type=area
output=BMR_bndry_epsg4326_rasterized use=cat
r.univar -g -t map=cahpa_i0apr_05216_nc_remapped_nc_1 at prcp05216ijk
zones=BMR_bndry_epsg4326_rasterized at prcp05216ijk

v.rast.stats map=BMR_bndry_epsg4326 at prcp05216ijk
raster=cahpa_i0apr_05216_nc_remapped_nc_1 at prcp05216ijk column_prefix=test
method=number,minimum,maximum,range,average,sum






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