SAGA 9.4.2 | Tool Library Documentation

Thin Plate Spline


Description

Creates a 'Thin Plate Spline' function for each grid point based on all of the scattered data points that are within a given distance. The number of points can be limited to a maximum number of closest points.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputPointsshapes, inputSHAPES--
Target Systemgrid, input, optional, CMDTARGET_TEMPLATEuse this grid's system for output grids-
OutputTarget Gridgrid, outputTARGET_OUT_GRID--
OptionsAttributetable fieldFIELD--
Target Grid SystemchoiceTARGET_DEFINITION-Available Choices: [0] user defined [1] grid or grid system Default: 0
Cellsizefloating point numberTARGET_USER_SIZE-Minimum: 0.000000 Default: 1.000000
Westfloating point numberTARGET_USER_XMIN-Default: 0.000000
Eastfloating point numberTARGET_USER_XMAX-Default: 100.000000
Southfloating point numberTARGET_USER_YMIN-Default: 0.000000
Northfloating point numberTARGET_USER_YMAX-Default: 100.000000
Columnsinteger numberTARGET_USER_COLSNumber of cells in East-West direction.Minimum: 1 Default: 101
Rowsinteger numberTARGET_USER_ROWSNumber of cells in North-South direction.Minimum: 1 Default: 101
FitchoiceTARGET_USER_FITS-Available Choices: [0] nodes [1] cells Default: 0
Grid Systemgrid systemTARGET_SYSTEM--
Regularisationfloating point numberREGULARISATION-Minimum: 0.000000 Default: 0.000100
Search RangechoiceSEARCH_RANGE-Available Choices: [0] local [1] global Default: 1
Maximum Search Distancefloating point numberSEARCH_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
Minimuminteger numberSEARCH_POINTS_MINminimum number of points to useMinimum: 1 Default: 16
Maximuminteger numberSEARCH_POINTS_MAXmaximum number of nearest pointsMinimum: 1 Default: 20

Command Line


Usage: saga_cmd grid_spline 1 [-SHAPES ] [-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_FITS ] [-TARGET_TEMPLATE ] [-TARGET_OUT_GRID ] [-REGULARISATION ] [-SEARCH_RANGE ] [-SEARCH_RADIUS ] [-SEARCH_POINTS_ALL ] [-SEARCH_POINTS_MIN ] [-SEARCH_POINTS_MAX ]
  -SHAPES:             	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_FITS:   	Fit
	choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:    	Target System
	grid, input, optional, CMD
  -TARGET_OUT_GRID:    	Target Grid
	grid, output
  -REGULARISATION:  	Regularisation
	floating point number
	Minimum: 0.000000
	Default: 0.000100
  -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