SAGA-GIS Tool Library Documentation (v7.7.0)

Tool Rao's Q Diversity Index

Grid based analysis of diversity with Rao's Q Index. Rao's Q diversity index is calculated locally for each grid cell using the specified kernel (aka 'moving window'). It is assumed that the grid cell values represent quantities.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputValuesGrid list, inputVALUES--
OutputRao's QGrid, outputINDEX--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
NormalizeBooleanNORMALIZE-Default: 0
DistanceChoiceDISTANCE-Available Choices:
[0] Euclidian
[1] Manhatten
[2] Canberra
[3] Minkowski
Default: 0
LambdaFloating pointLAMBDALambda for Minkowski distance calculation.Minimum: 0.000100
Default: 1.000000
Kernel TypeChoiceKERNEL_TYPEThe kernel's shape.Available Choices:
[0] Square
[1] Circle
Default: 1
RadiusIntegerKERNEL_RADIUScellsMinimum: 0
Default: 2

Command-line

Usage: saga_cmd grid_analysis 25 [-VALUES <str>] [-NORMALIZE <str>] [-INDEX <str>] [-DISTANCE <str>] [-LAMBDA <double>] [-KERNEL_TYPE <str>] [-KERNEL_RADIUS <num>]
  -VALUES:<str>       	Values
	Grid list, input
  -NORMALIZE:<str>    	Normalize
	Boolean
	Default: 0
  -INDEX:<str>        	Rao's Q
	Grid, output
  -DISTANCE:<str>     	Distance
	Choice
	Available Choices:
	[0] Euclidian
	[1] Manhatten
	[2] Canberra
	[3] Minkowski
	Default: 0
  -LAMBDA:<double>    	Lambda
	Floating point
	Minimum: 0.000100
	Default: 1.000000
  -KERNEL_TYPE:<str>  	Kernel Type
	Choice
	Available Choices:
	[0] Square
	[1] Circle
	Default: 1
  -KERNEL_RADIUS:<num>	Radius
	Integer
	Minimum: 0
	Default: 2