SAGA-GIS Tool Library Documentation (v7.3.0)

Tool Random Field

Create a grid with pseudo-random numbers as grid cell values.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputTarget System (*)Grid (optional input)TEMPLATEuse this grid's system for output grids-
OutputRandom FieldGrid (output)OUT_GRID--
OptionsTarget Grid SystemChoiceDEFINITION-Available Choices:
[0] user defined
[1] grid or grid system
Default: 0
CellsizeFloating pointUSER_SIZE-Minimum: 0.000000
Default: 1.000000
WestFloating pointUSER_XMIN-Default: 0.000000
EastFloating pointUSER_XMAX-Default: 100.000000
SouthFloating pointUSER_YMIN-Default: 0.000000
NorthFloating pointUSER_YMAX-Default: 100.000000
ColumnsIntegerUSER_COLSNumber of cells in East-West direction.Minimum: 1
Default: 100
RowsIntegerUSER_ROWSNumber of cells in North-South direction.Minimum: 1
Default: 100
FitChoiceUSER_FITS-Available Choices:
[0] nodes
[1] cells
Default: 0
Grid SystemGrid systemSYSTEM--
MethodChoiceMETHOD-Available Choices:
[0] Uniform
[1] Gaussian
Default: 1
RangeValue rangeRANGE--
Arithmetic MeanFloating pointMEAN-Default: 0.000000
Standard DeviationFloating pointSTDDEV-Minimum: 0.000000
Default: 1.000000
(*) optional

Command-line

Usage: saga_cmd grid_calculus 7 [-DEFINITION <str>] [-USER_SIZE <double>] [-USER_XMIN <double>] [-USER_XMAX <double>] [-USER_YMIN <double>] [-USER_YMAX <double>] [-USER_COLS <num>] [-USER_ROWS <num>] [-USER_FITS <str>] [-TEMPLATE <str>] [-OUT_GRID <str>] [-METHOD <str>] [-RANGE_MIN <double>] [-RANGE_MAX <double>] [-MEAN <double>] [-STDDEV <double>]
  -DEFINITION:<str>  	Target Grid System
	Choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -USER_SIZE:<double>	Cellsize
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -USER_XMIN:<double>	West
	Floating point
	Default: 0.000000
  -USER_XMAX:<double>	East
	Floating point
	Default: 100.000000
  -USER_YMIN:<double>	South
	Floating point
	Default: 0.000000
  -USER_YMAX:<double>	North
	Floating point
	Default: 100.000000
  -USER_COLS:<num>   	Columns
	Integer
	Minimum: 1
	Default: 100
  -USER_ROWS:<num>   	Rows
	Integer
	Minimum: 1
	Default: 100
  -USER_FITS:<str>   	Fit
	Choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TEMPLATE:<str>    	Target System
	Grid (optional input)
  -OUT_GRID:<str>    	Random Field
	Grid (output)
  -METHOD:<str>      	Method
	Choice
	Available Choices:
	[0] Uniform
	[1] Gaussian
	Default: 1
  -RANGE_MIN:<double>	Range
	Value range
  -RANGE_MAX:<double>	Range
	Value range
  -MEAN:<double>     	Arithmetic Mean
	Floating point
	Default: 0.000000
  -STDDEV:<double>   	Standard Deviation
	Floating point
	Minimum: 0.000000
	Default: 1.000000