SAGA-GIS Tool Library Documentation (v9.1.2)

Tool Fourier Transformation

Discrete Fourier transformation.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputGridGrid, inputGRID--
OutputFourier TransformationGrids, outputDFT--
Fourier Transformation (*)Data Object Grids, output, optionalDFT_OPT--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
CenteredBooleanCENTERED-Default: 1
Output SizeChoiceSIZEThe optimal size for the discrete Fourier transformation might differ from that of the input grid.Available Choices:
[0] same as input grid
[1] optimal DFT size
Default: 0
(*) optional

Command-line

Usage: saga_cmd imagery_opencv 1 [-GRID <str>] [-DFT <str>] [-DFT_OPT <str>] [-CENTERED <str>] [-SIZE <str>]
  -GRID:<str>    	Grid
	Grid, input
  -DFT:<str>     	Fourier Transformation
	Grids, output
  -DFT_OPT:<str> 	Fourier Transformation
	Data Object Grids, output, optional
  -CENTERED:<str>	Centered
	Boolean
	Default: 1
  -SIZE:<str>    	Output Size
	Choice
	Available Choices:
	[0] same as input grid
	[1] optimal DFT size
	Default: 0