SAGA-GIS Tool Library Documentation (v9.2.0)

Tool Frequency Domain Filter

The frequency domain filter works on the discrete Fourier transformation.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputGridgrid, inputGRID--
OutputFiltered Gridgrid, outputFILTERED--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
FilterchoiceFILTER-Available Choices:
[0] range
[1] power of distance
[2] Hann window
[3] Gaussian
Default: 2
InversebooleanINVERSE-Default: 0
Rangevalue rangeRANGE--
Powerfloating point numberPOWER-Default: 0.500000
Band Widthfloating point numberSCALE-Minimum: 0.000000
Default: 2.000000

Command-line

Usage: saga_cmd imagery_opencv 14 [-GRID <str>] [-FILTERED <str>] [-FILTER <str>] [-INVERSE <str>] [-RANGE_MIN <double>] [-RANGE_MAX <double>] [-POWER <double>] [-SCALE <double>]
  -GRID:<str>        	Grid
	grid, input
  -FILTERED:<str>    	Filtered Grid
	grid, output
  -FILTER:<str>      	Filter
	choice
	Available Choices:
	[0] range
	[1] power of distance
	[2] Hann window
	[3] Gaussian
	Default: 2
  -INVERSE:<str>     	Inverse
	boolean
	Default: 0
  -RANGE_MIN:<double>	Range
	value range
  -RANGE_MAX:<double>	Range
	value range
  -POWER:<double>    	Power
	floating point number
	Default: 0.500000
  -SCALE:<double>    	Band Width
	floating point number
	Minimum: 0.000000
	Default: 2.000000