SAGA-GIS Tool Library Documentation (v7.2.0)

Tool Ordinary Kriging

Ordinary Kriging for grid interpolation from irregular sample points.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputPointsShapes (input)POINTS--
Target System (*)Grid (optional input)TARGET_TEMPLATEuse this grid's system for output grids-
OutputPredictionGrid (output)PREDICTION--
Quality Measure (*)Grid (optional output)VARIANCE--
Cross Validation Summary (*)Table (optional output)CV_SUMMARY--
Cross Validation Residuals (*)Shapes (optional output)CV_RESIDUALS--
OptionsAttributeTable fieldFIELD--
Target Grid SystemChoiceTARGET_DEFINITION-Available Choices:
[0] user defined
[1] grid or grid system
Default: 0
CellsizeFloating pointTARGET_USER_SIZE-Minimum: 0.000000
Default: 1.000000
LeftFloating pointTARGET_USER_XMIN-Default: 0.000000
RightFloating pointTARGET_USER_XMAX-Default: 100.000000
BottomFloating pointTARGET_USER_YMIN-Default: 0.000000
TopFloating pointTARGET_USER_YMAX-Default: 100.000000
FitChoiceTARGET_USER_FITS-Available Choices:
[0] nodes
[1] cells
Default: 0
Grid SystemGrid systemTARGET_SYSTEM--
Maximum DistanceFloating pointVAR_MAXDISTmaximum distance for variogram estimation, ignored if set to zeroMinimum: 0.000000
Default: 0.000000
Lag Distance ClassesIntegerVAR_NCLASSESinitial number of lag distance classesMinimum: 1
Default: 100
SkipIntegerVAR_NSKIP-Minimum: 1
Default: 1
ModelTextVAR_MODEL-Default: a + b * x
Type of Quality MeasureChoiceTQUALITY-Available Choices:
[0] Standard Deviation
[1] Variance
Default: 0
Logarithmic TransformationBooleanLOG-Default: 0
Block KrigingBooleanBLOCK-Default: 0
Block SizeFloating pointDBLOCK-Minimum: 0.000000
Default: 100.000000
Cross ValidationChoiceCV_METHOD-Available Choices:
[0] none
[1] leave one out
[2] 2-fold
[3] k-fold
Default: 0
Cross Validation SubsamplesIntegerCV_SAMPLESnumber of subsamples for k-fold cross validationMinimum: 2
Default: 10
Search RangeChoiceSEARCH_RANGE-Available Choices:
[0] local
[1] global
Default: 1
Maximum Search DistanceFloating pointSEARCH_RADIUSlocal maximum search distance given in map unitsMinimum: 0.000000
Default: 1000.000000
Number of PointsChoiceSEARCH_POINTS_ALL-Available Choices:
[0] maximum number of nearest points
[1] all points within search distance
Default: 1
MinimumIntegerSEARCH_POINTS_MINminimum number of points to useMinimum: 1
Default: 16
MaximumIntegerSEARCH_POINTS_MAXmaximum number of nearest pointsMinimum: 1
Default: 20
DirectionChoiceSEARCH_DIRECTION-Available Choices:
[0] all directions
[1] quadrants
Default: 0
(*) optional

Command-line

Usage: saga_cmd statistics_kriging 0 [-POINTS <str>] [-FIELD <str>] [-TARGET_DEFINITION <str>] [-TARGET_USER_SIZE <double>] [-TARGET_USER_XMIN <double>] [-TARGET_USER_XMAX <double>] [-TARGET_USER_YMIN <double>] [-TARGET_USER_YMAX <double>] [-TARGET_USER_FITS <str>] [-TARGET_TEMPLATE <str>] [-PREDICTION <str>] [-VARIANCE <str>] [-VAR_MAXDIST <double>] [-VAR_NCLASSES <num>] [-VAR_NSKIP <num>] [-VAR_MODEL <str>] [-TQUALITY <str>] [-LOG <str>] [-BLOCK <str>] [-DBLOCK <double>] [-CV_METHOD <str>] [-CV_SUMMARY <str>] [-CV_RESIDUALS <str>] [-CV_SAMPLES <num>] [-SEARCH_RANGE <str>] [-SEARCH_RADIUS <double>] [-SEARCH_POINTS_ALL <str>] [-SEARCH_POINTS_MIN <num>] [-SEARCH_POINTS_MAX <num>] [-SEARCH_DIRECTION <str>]
  -POINTS:<str>             	Points
	Shapes (input)
  -FIELD:<str>              	Attribute
	Table field
  -TARGET_DEFINITION:<str>  	Target Grid System
	Choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -TARGET_USER_SIZE:<double>	Cellsize
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_XMIN:<double>	Left
	Floating point
	Default: 0.000000
  -TARGET_USER_XMAX:<double>	Right
	Floating point
	Default: 100.000000
  -TARGET_USER_YMIN:<double>	Bottom
	Floating point
	Default: 0.000000
  -TARGET_USER_YMAX:<double>	Top
	Floating point
	Default: 100.000000
  -TARGET_USER_FITS:<str>   	Fit
	Choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:<str>    	Target System
	Grid (optional input)
  -PREDICTION:<str>         	Prediction
	Grid (output)
  -VARIANCE:<str>           	Quality Measure
	Grid (optional output)
  -VAR_MAXDIST:<double>     	Maximum Distance
	Floating point
	Minimum: 0.000000
	Default: 0.000000
  -VAR_NCLASSES:<num>       	Lag Distance Classes
	Integer
	Minimum: 1
	Default: 100
  -VAR_NSKIP:<num>          	Skip
	Integer
	Minimum: 1
	Default: 1
  -VAR_MODEL:<str>          	Model
	Text
	Default: a + b * x
  -TQUALITY:<str>           	Type of Quality Measure
	Choice
	Available Choices:
	[0] Standard Deviation
	[1] Variance
	Default: 0
  -LOG:<str>                	Logarithmic Transformation
	Boolean
	Default: 0
  -BLOCK:<str>              	Block Kriging
	Boolean
	Default: 0
  -DBLOCK:<double>          	Block Size
	Floating point
	Minimum: 0.000000
	Default: 100.000000
  -CV_METHOD:<str>          	Cross Validation
	Choice
	Available Choices:
	[0] none
	[1] leave one out
	[2] 2-fold
	[3] k-fold
	Default: 0
  -CV_SUMMARY:<str>         	Cross Validation Summary
	Table (optional output)
  -CV_RESIDUALS:<str>       	Cross Validation Residuals
	Shapes (optional output)
  -CV_SAMPLES:<num>         	Cross Validation Subsamples
	Integer
	Minimum: 2
	Default: 10
  -SEARCH_RANGE:<str>       	Search Range
	Choice
	Available Choices:
	[0] local
	[1] global
	Default: 1
  -SEARCH_RADIUS:<double>   	Maximum Search Distance
	Floating point
	Minimum: 0.000000
	Default: 1000.000000
  -SEARCH_POINTS_ALL:<str>  	Number of Points
	Choice
	Available Choices:
	[0] maximum number of nearest points
	[1] all points within search distance
	Default: 1
  -SEARCH_POINTS_MIN:<num>  	Minimum
	Integer
	Minimum: 1
	Default: 16
  -SEARCH_POINTS_MAX:<num>  	Maximum
	Integer
	Minimum: 1
	Default: 20
  -SEARCH_DIRECTION:<str>   	Direction
	Choice
	Available Choices:
	[0] all directions
	[1] quadrants
	Default: 0