DESCRIPTION

r3.count.categories iterates over whole numbers (categories, classes) in the 3D raster (considers values to be integers) and for each vertical column counts them in the given column.

The 3D raster map is considered to be integer, i.e. all values are converted to integer values with truncation. When some conversion is appropriate the multiply option can be used to scale the value before conversion. For example, if the values are percentages with values between 0 and 1, value 100 can be used to obtain percentages between 0 and 100. The values will be then preserved with precision 1 (decimal part is truncated).

SEE ALSO

r3.to.rast, r3.to.group, r3.what

AUTHORS

Vaclav Petras, NCSU GeoForAll Lab

Last changed: $Date$