Tool Universal Kriging

Universal Kriging for grid interpolation from irregular sample points.

Author: O.Conrad (c) 2008
Menu: Spatial and Geostatistics|Kriging

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Points	Shapes (input)	`POINTS`	-	-
	Target System (*)	Grid (optional input)	`TARGET_TEMPLATE`	use this grid's system for output grids	-
	Predictors (*)	Grid list (optional input)	`PREDICTORS`	-	-
Output	Prediction	Grid (output)	`PREDICTION`	-	-
	Quality Measure (*)	Grid (optional output)	`VARIANCE`	-	-
	Cross Validation Summary (*)	Table (optional output)	`CV_SUMMARY`	-	-
	Cross Validation Residuals (*)	Shapes (optional output)	`CV_RESIDUALS`	-	-
Options	Attribute	Table field	`FIELD`	-	-
	Target Grid System	Choice	`TARGET_DEFINITION`	-	Available Choices: [0] user defined [1] grid or grid system Default: 0
	Cellsize	Floating point	`TARGET_USER_SIZE`	-	Minimum: 0.000000 Default: 1.000000
	West	Floating point	`TARGET_USER_XMIN`	-	Default: 0.000000
	East	Floating point	`TARGET_USER_XMAX`	-	Default: 100.000000
	South	Floating point	`TARGET_USER_YMIN`	-	Default: 0.000000
	North	Floating point	`TARGET_USER_YMAX`	-	Default: 100.000000
	Columns	Integer	`TARGET_USER_COLS`	Number of cells in East-West direction.	Minimum: 1 Default: 100
	Rows	Integer	`TARGET_USER_ROWS`	Number of cells in North-South direction.	Minimum: 1 Default: 100
	Fit	Choice	`TARGET_USER_FITS`	-	Available Choices: [0] nodes [1] cells Default: 0
	Grid System	Grid system	`TARGET_SYSTEM`	-	-
	Maximum Distance	Floating point	`VAR_MAXDIST`	maximum distance for variogram estimation, ignored if set to zero	Minimum: 0.000000 Default: 0.000000
	Lag Distance Classes	Integer	`VAR_NCLASSES`	initial number of lag distance classes	Minimum: 1 Default: 100
	Skip	Integer	`VAR_NSKIP`	-	Minimum: 1 Default: 1
	Model	Text	`VAR_MODEL`	-	Default: a + b * x
	Type of Quality Measure	Choice	`TQUALITY`	-	Available Choices: [0] Standard Deviation [1] Variance Default: 0
	Logarithmic Transformation	Boolean	`LOG`	-	Default: 0
	Block Kriging	Boolean	`BLOCK`	-	Default: 0
	Block Size	Floating point	`DBLOCK`	Edge length [map units]	Minimum: 0.000000 Default: 100.000000
	Cross Validation	Choice	`CV_METHOD`	-	Available Choices: [0] none [1] leave one out [2] 2-fold [3] k-fold Default: 0
	Cross Validation Subsamples	Integer	`CV_SAMPLES`	number of subsamples for k-fold cross validation	Minimum: 2 Default: 10
	Search Range	Choice	`SEARCH_RANGE`	-	Available Choices: [0] local [1] global Default: 1
	Maximum Search Distance	Floating point	`SEARCH_RADIUS`	local maximum search distance given in map units	Minimum: 0.000000 Default: 1000.000000
	Number of Points	Choice	`SEARCH_POINTS_ALL`	-	Available Choices: [0] maximum number of nearest points [1] all points within search distance Default: 1
	Minimum	Integer	`SEARCH_POINTS_MIN`	minimum number of points to use	Minimum: 1 Default: 16
	Maximum	Integer	`SEARCH_POINTS_MAX`	maximum number of nearest points	Minimum: 1 Default: 20
	Direction	Choice	`SEARCH_DIRECTION`	-	Available Choices: [0] all directions [1] quadrants Default: 0
	Resampling	Choice	`RESAMPLING`	-	Available Choices: [0] Nearest Neighbour [1] Bilinear Interpolation [2] Bicubic Spline Interpolation [3] B-Spline Interpolation Default: 3
	Coordinates	Boolean	`COORDS`	-	Default: 0
(*) optional

Command-line

Usage: saga_cmd statistics_kriging 2 [-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>] [-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>] [-PREDICTORS <str>] [-RESAMPLING <str>] [-COORDS <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>	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 (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
  -PREDICTORS:<str>         	Predictors
	Grid list (optional input)
  -RESAMPLING:<str>         	Resampling
	Choice
	Available Choices:
	[0] Nearest Neighbour
	[1] Bilinear Interpolation
	[2] Bicubic Spline Interpolation
	[3] B-Spline Interpolation
	Default: 3
  -COORDS:<str>             	Coordinates
	Boolean
	Default: 0