SAGA-GIS Module Library Documentation (v2.2.2)

Module Wind Exposition Index

Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationGrid (input)DEM--
OutputWind ExpositionGrid (output)EXPOSITION--
OptionsSearch Distance [km]Floating pointMAXDIST-Minimum: 0.000000
Default: 300.000000
Angular Step Size (Degree)Floating pointSTEP-Minimum: 1.000000
Maximum: 45.000000
Default: 15.000000
Old VersionBooleanOLDVERuse old version for constant wind direction (no acceleration and averaging option)Default: 0
AccelerationFloating pointACCEL-Minimum: 1.000000
Default: 1.500000
Elevation AveragingBooleanPYRAMIDSuse more averaged elevations when looking at increasing distancesDefault: 0

Command-line

Usage: saga_cmd ta_morphometry 27 [-DEM <str>] [-EXPOSITION <str>] [-MAXDIST <str>] [-STEP <str>] [-OLDVER <str>] [-ACCEL <str>] [-PYRAMIDS <str>]
  -DEM:<str>       	Elevation
	Grid (input)
  -EXPOSITION:<str>	Wind Exposition
	Grid (output)
  -MAXDIST:<str>   	Search Distance [km]
	Floating point
	Minimum: 0.000000
	Default: 300.000000
  -STEP:<str>      	Angular Step Size (Degree)
	Floating point
	Minimum: 1.000000
	Maximum: 45.000000
	Default: 15.000000
  -OLDVER:<str>    	Old Version
	Boolean
	Default: 0
  -ACCEL:<str>     	Acceleration
	Floating point
	Minimum: 1.000000
	Default: 1.500000
  -PYRAMIDS:<str>  	Elevation Averaging
	Boolean
	Default: 0