SAGA-GIS Module Library Documentation (v2.1.3)

Module Multi Direction Lee Filter

Parameters

 NameTypeIdentifierDescriptionConstraints
InputGridGrid (input)INPUT--
OutputFiltered GridGrid (output)RESULT--
Minimum Standard Deviation (*)Grid (optional output)STDDEV--
Direction of Minimum Standard Deviation (*)Grid (optional output)DIR--
OptionsEstimated Noise (absolute)Floating pointNOISE_ABSEstimated noise in units of input dataDefault: 1.000000
Estimated Noise (relative)Floating pointNOISE_RELEstimated noise relative to mean standard deviationDefault: 1.000000
WeightedBooleanWEIGHTED-Default: 1
MethodChoiceMETHOD-Available Choices:
[0] noise variance given as absolute value
[1] noise variance given relative to mean standard deviation
[2] original calculation (Ringeler)
Default: 1
(*) optional

Command-line

Usage: saga_cmd grid_filter 3 -INPUT <str> [-RESULT <str>] [-STDDEV <str>] [-DIR <str>] [-NOISE_ABS <str>] [-NOISE_REL <str>] [-WEIGHTED <str>] [-METHOD <str>]
  -INPUT:<str>    	Grid
	Grid (input)
  -RESULT:<str>   	Filtered Grid
	Grid (output)
  -STDDEV:<str>   	Minimum Standard Deviation
	Grid (optional output)
  -DIR:<str>      	Direction of Minimum Standard Deviation
	Grid (optional output)
  -NOISE_ABS:<str>	Estimated Noise (absolute)
	Floating point
	Default: 1.000000
  -NOISE_REL:<str>	Estimated Noise (relative)
	Floating point
	Default: 1.000000
  -WEIGHTED:<str> 	Weighted
	Boolean
	Default: 1
  -METHOD:<str>   	Method
	Choice
	Available Choices:
	[0] noise variance given as absolute value
	[1] noise variance given relative to mean standard deviation
	[2] original calculation (Ringeler)
	Default: 1