SAGA-GIS Tool Library Documentation (v9.1.2)

Tool Wind Shelter Index

This tool reimplements the Wind Shelter Index proposed by Plattner et al. (2004), that has originally been implemented within the RSAGA package.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationGrid, inputELEVATION--
OutputWind Shelter IndexGrid, outputSHELTER--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
UnitChoiceUNIT-Available Choices:
[0] degree
[1] radians
Default: 0
Wind DirectionFloating pointDIRECTIONThe direction [degree] into which the wind blows.Default: 135.000000
ToleranceFloating pointTOLERANCEThe tolerance angle [degree] to the left and right of the direction angle.Minimum: 0.000000
Maximum: 90.000000
Default: 5.000000
DistanceFloating pointDISTANCE[cells]Minimum: 1.000000
Default: 5.000000
QuantileFloating pointQUANTILESet quantile to one to get the maximum slope angle.Minimum: 0.000000
Maximum: 1.000000
Default: 1.000000
Include Negative SlopesBooleanNEGATIVES-Default: 0
MethodChoiceMETHOD-Available Choices:
[0] windward
[1] leeward
Default: 0

Command-line

Usage: saga_cmd ta_morphometry 29 [-ELEVATION <str>] [-SHELTER <str>] [-UNIT <str>] [-DIRECTION <double>] [-TOLERANCE <double>] [-DISTANCE <double>] [-QUANTILE <double>] [-NEGATIVES <str>] [-METHOD <str>]
  -ELEVATION:<str>   	Elevation
	Grid, input
  -SHELTER:<str>     	Wind Shelter Index
	Grid, output
  -UNIT:<str>        	Unit
	Choice
	Available Choices:
	[0] degree
	[1] radians
	Default: 0
  -DIRECTION:<double>	Wind Direction
	Floating point
	Default: 135.000000
  -TOLERANCE:<double>	Tolerance
	Floating point
	Minimum: 0.000000
	Maximum: 90.000000
	Default: 5.000000
  -DISTANCE:<double> 	Distance
	Floating point
	Minimum: 1.000000
	Default: 5.000000
  -QUANTILE:<double> 	Quantile
	Floating point
	Minimum: 0.000000
	Maximum: 1.000000
	Default: 1.000000
  -NEGATIVES:<str>   	Include Negative Slopes
	Boolean
	Default: 0
  -METHOD:<str>      	Method
	Choice
	Available Choices:
	[0] windward
	[1] leeward
	Default: 0