SAGA-GIS Tool Library Documentation (v9.1.2)

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 pointPOWER-Default: 0.500000
Band WidthFloating pointSCALE-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
	Default: 0.500000
  -SCALE:<double>    	Band Width
	Floating point
	Minimum: 0.000000
	Default: 2.000000