Ordinary Kriging

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

Description

Ordinary Kriging for grid interpolation from irregular sample points.

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Points	shapes, input	`POINTS`	-	-
Input	Target System	grid, input, optional [CMD]	`TARGET_TEMPLATE`	use this grid's system for output grids	-
Output	Prediction	grid, output	`PREDICTION`	-	-
	Prediction Error	grid, output, optional	`VARIANCE`	-	-
	Cross Validation Summary	table, output, optional	`CV_SUMMARY`	-	-
	Cross Validation Residuals	shapes, output, optional	`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 number	`TARGET_USER_SIZE`	-	Minimum: 0.000000 Default: 1.000000
	West	floating point number	`TARGET_USER_XMIN`	-	Default: 0.000000
	East	floating point number	`TARGET_USER_XMAX`	-	Default: 100.000000
	South	floating point number	`TARGET_USER_YMIN`	-	Default: 0.000000
	North	floating point number	`TARGET_USER_YMAX`	-	Default: 100.000000
	Columns	integer number	`TARGET_USER_COLS`	Number of cells in East-West direction.	Minimum: 1 Default: 101
	Rows	integer number	`TARGET_USER_ROWS`	Number of cells in North-South direction.	Minimum: 1 Default: 101
	Rounding	boolean	`TARGET_USER_FLAT`	Round bounding coordinates to multiples of cell size. Ignored if cell size has decimal places.	Default: 1
	Fit	choice	`TARGET_USER_FITS`	-	Available Choices: [0] nodes [1] cells Default: 0
	Grid System	grid system	`TARGET_SYSTEM`	-	-
	Prediction Error	boolean	`VARIANCE_CREATE`	-	Default: 0
	Error Measure	choice	`TQUALITY`	-	Available Choices: [0] Standard Deviation [1] Variance Default: 1
	Maximum Distance	floating point number [CMD]	`VAR_MAXDIST`	maximum distance for variogram estimation, ignored if set to zero	Minimum: 0.000000 Default: 0.000000
	Lag Distance Classes	integer number [CMD]	`VAR_NCLASSES`	initial number of lag distance classes	Minimum: 1 Default: 100
	Skip	integer number [CMD]	`VAR_NSKIP`	-	Minimum: 1 Default: 1
	Model	text [CMD]	`VAR_MODEL`	-	Default: b * x
	Logarithmic Transformation	boolean	`LOG`	-	Default: 0
	Block Kriging	boolean	`BLOCK`	-	Default: 0
	Block Size	floating point number	`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 number	`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 number	`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 number	`SEARCH_POINTS_MIN`	minimum number of points to use	Minimum: 1 Default: 16
	Maximum	integer number	`SEARCH_POINTS_MAX`	maximum number of nearest points	Minimum: 1 Default: 20

Command Line


Usage: saga_cmd statistics_kriging 0 [-POINTS ] [-FIELD ] [-TARGET_DEFINITION ] [-TARGET_USER_SIZE ] [-TARGET_USER_XMIN ] [-TARGET_USER_XMAX ] [-TARGET_USER_YMIN ] [-TARGET_USER_YMAX ] [-TARGET_USER_COLS ] [-TARGET_USER_ROWS ] [-TARGET_USER_FLAT ] [-TARGET_USER_FITS ] [-TARGET_TEMPLATE ] [-PREDICTION ] [-VARIANCE ] [-VARIANCE_CREATE ] [-TQUALITY ] [-VAR_MAXDIST ] [-VAR_NCLASSES ] [-VAR_NSKIP ] [-VAR_MODEL ] [-LOG ] [-BLOCK ] [-DBLOCK ] [-CV_METHOD ] [-CV_SUMMARY ] [-CV_RESIDUALS ] [-CV_SAMPLES ] [-SEARCH_RANGE ] [-SEARCH_RADIUS ] [-SEARCH_POINTS_ALL ] [-SEARCH_POINTS_MIN ] [-SEARCH_POINTS_MAX ]
  -POINTS:                Points
	shapes, input
  -FIELD:                 Attribute
	table field
  -TARGET_DEFINITION:     Target Grid System
	choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -TARGET_USER_SIZE:   Cellsize
	floating point number
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_XMIN:   West
	floating point number
	Default: 0.000000
  -TARGET_USER_XMAX:   East
	floating point number
	Default: 100.000000
  -TARGET_USER_YMIN:   South
	floating point number
	Default: 0.000000
  -TARGET_USER_YMAX:   North
	floating point number
	Default: 100.000000
  -TARGET_USER_COLS:      Columns
	integer number
	Minimum: 1
	Default: 101
  -TARGET_USER_ROWS:      Rows
	integer number
	Minimum: 1
	Default: 101
  -TARGET_USER_FLAT:      Rounding
	boolean
	Default: 1
  -TARGET_USER_FITS:      Fit
	choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:       Target System
	grid, input, optional
[CMD]
  -PREDICTION:            Prediction
	grid, output
  -VARIANCE:              Prediction Error
	grid, output, optional
  -VARIANCE_CREATE:       Prediction Error
	boolean
	Default: 0
  -TQUALITY:              Error Measure
	choice
	Available Choices:
	[0] Standard Deviation
	[1] Variance
	Default: 1
  -VAR_MAXDIST:        Maximum Distance
	floating point number
[CMD]
	Minimum: 0.000000
	Default: 0.000000
  -VAR_NCLASSES:          Lag Distance Classes
	integer number
[CMD]
	Minimum: 1
	Default: 100
  -VAR_NSKIP:             Skip
	integer number
[CMD]
	Minimum: 1
	Default: 1
  -VAR_MODEL:             Model
	text
[CMD]
	Default: b * x
  -LOG:                   Logarithmic Transformation
	boolean
	Default: 0
  -BLOCK:                 Block Kriging
	boolean
	Default: 0
  -DBLOCK:             Block Size
	floating point number
	Minimum: 0.000000
	Default: 100.000000
  -CV_METHOD:             Cross Validation
	choice
	Available Choices:
	[0] none
	[1] leave one out
	[2] 2-fold
	[3] k-fold
	Default: 0
  -CV_SUMMARY:            Cross Validation Summary
	table, output, optional
  -CV_RESIDUALS:          Cross Validation Residuals
	shapes, output, optional
  -CV_SAMPLES:            Cross Validation Subsamples
	integer number
	Minimum: 2
	Default: 10
  -SEARCH_RANGE:          Search Range
	choice
	Available Choices:
	[0] local
	[1] global
	Default: 1
  -SEARCH_RADIUS:      Maximum Search Distance
	floating point number
	Minimum: 0.000000
	Default: 1000.000000
  -SEARCH_POINTS_ALL:     Number of Points
	choice
	Available Choices:
	[0] maximum number of nearest points
	[1] all points within search distance
	Default: 1
  -SEARCH_POINTS_MIN:     Minimum
	integer number
	Minimum: 1
	Default: 16
  -SEARCH_POINTS_MAX:     Maximum
	integer number
	Minimum: 1
	Default: 20