geo-registry

r.relief

How GRASS runs Hillshade: r.relief.

About this implementation
Engine GRASS
Tool name r.relief
Interface cli
Implements Hillshade
Documentation Not stated
Effects modifies input: no, network: no
Notes Not stated
Status active

Parameters

Name Type Required Default Choices Note
input string yes Not stated Not stated cell name
output string yes Not stated Not stated output cell
altitude float no 30 0-90 Not stated
azimuth float no 270 0-360 Not stated
zscale float no 1 Not stated Not stated
scale float no 1 Not stated Not stated
units string no Not stated intl, survey Not stated
flag_overwrite boolean no Not stated Not stated flag --overwrite

How it maps to the operation

Operation parameter Parameter here Note
raster input Not stated
output output Not stated
azimuth azimuth Not stated
altitude altitude Not stated
z_unit Not stated always crs-units. Elevation is taken in the project's horizontal units; otherwise set zscale.

Differences from the operation

  • Defaults to azimuth 270 and altitude 30 (Columbus and GDAL use 315 and 45).

Harvested by the grass harvester from engine version 8.5.0. Names can change when an engine is harvested again.