ST_TRI
Returns a raster with the calculated Terrain Ruggedness Index.
raster ST_TRI
raster rast
integer nband
raster ST_TRI
raster rast
integer nband
customextent=NULL raster
text pixeltype="32BF"
boolean interpolate_nodata=FALSE
Description
Terrain Ruggedness Index is calculated by comparing a central pixel with its neighbors, taking the absolute
values of the differences, and averaging the result.
This function only supports a focalmean radius of one.
Availability: 2.2
See Also
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