SAGA-GIS Tool Library Documentation (v7.8.2)

Tool Simple Kriging

Simple Kriging for grid interpolation from irregular sample points.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputPointsShapes, inputPOINTS--
Target System (*)Grid, input, optional, CMDTARGET_TEMPLATEuse this grid's system for output grids-
OutputPredictionGrid, outputPREDICTION--
Prediction Error (*)Grid, output, optionalVARIANCE--
Cross Validation Summary (*)Table, output, optionalCV_SUMMARY--
Cross Validation Residuals (*)Shapes, output, optionalCV_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
WestFloating pointTARGET_USER_XMIN-Default: 0.000000
EastFloating pointTARGET_USER_XMAX-Default: 100.000000
SouthFloating pointTARGET_USER_YMIN-Default: 0.000000
NorthFloating pointTARGET_USER_YMAX-Default: 100.000000
ColumnsIntegerTARGET_USER_COLSNumber of cells in East-West direction.Minimum: 1
Default: 100
RowsIntegerTARGET_USER_ROWSNumber of cells in North-South direction.Minimum: 1
Default: 100
FitChoiceTARGET_USER_FITS-Available Choices:
[0] nodes
[1] cells
Default: 0
Grid SystemGrid systemTARGET_SYSTEM--
Error MeasureChoiceTQUALITY-Available Choices:
[0] Standard Deviation
[1] Variance
Default: 1
Maximum DistanceFloating point, CMDVAR_MAXDISTmaximum distance for variogram estimation, ignored if set to zeroMinimum: 0.000000
Default: 0.000000
Lag Distance ClassesInteger, CMDVAR_NCLASSESinitial number of lag distance classesMinimum: 1
Default: 100
SkipInteger, CMDVAR_NSKIP-Minimum: 1
Default: 1
ModelText, CMDVAR_MODEL-Default: a + b * x
Logarithmic TransformationBooleanLOG-Default: 0
Block KrigingBooleanBLOCK-Default: 0
Block SizeFloating pointDBLOCKEdge length [map units]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
(*) optional

Command-line

Usage: saga_cmd statistics_kriging 1 [-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_COLS <num>] [-TARGET_USER_ROWS <num>] [-TARGET_USER_FITS <str>] [-TARGET_TEMPLATE <str>] [-PREDICTION <str>] [-VARIANCE <str>] [-TQUALITY <str>] [-VAR_MAXDIST <double>] [-VAR_NCLASSES <num>] [-VAR_NSKIP <num>] [-VAR_MODEL <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>]
  -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>	West
	Floating point
	Default: 0.000000
  -TARGET_USER_XMAX:<double>	East
	Floating point
	Default: 100.000000
  -TARGET_USER_YMIN:<double>	South
	Floating point
	Default: 0.000000
  -TARGET_USER_YMAX:<double>	North
	Floating point
	Default: 100.000000
  -TARGET_USER_COLS:<num>   	Columns
	Integer
	Minimum: 1
	Default: 100
  -TARGET_USER_ROWS:<num>   	Rows
	Integer
	Minimum: 1
	Default: 100
  -TARGET_USER_FITS:<str>   	Fit
	Choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:<str>    	Target System
	Grid, input, optional, CMD
  -PREDICTION:<str>         	Prediction
	Grid, output
  -VARIANCE:<str>           	Prediction Error
	Grid, output, optional
  -TQUALITY:<str>           	Error Measure
	Choice
	Available Choices:
	[0] Standard Deviation
	[1] Variance
	Default: 1
  -VAR_MAXDIST:<double>     	Maximum Distance
	Floating point, CMD
	Minimum: 0.000000
	Default: 0.000000
  -VAR_NCLASSES:<num>       	Lag Distance Classes
	Integer, CMD
	Minimum: 1
	Default: 100
  -VAR_NSKIP:<num>          	Skip
	Integer, CMD
	Minimum: 1
	Default: 1
  -VAR_MODEL:<str>          	Model
	Text, CMD
	Default: a + b * x
  -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, output, optional
  -CV_RESIDUALS:<str>       	Cross Validation Residuals
	Shapes, output, optional
  -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