Inverse Distance Weighted (3D)

Author: O.Conrad (c) 2019
Menu: Grid | Gridding | Interpolation (3D)

Description

Inverse distance weighted interpolation for 3-dimensional data points. Output will be a grid collection with evenly spaced Z-levels representing the 3rd dimension.

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	Grid Collection	grid collection, output	`GRIDS`	-	-
Options	Z	table field	`Z_FIELD`	-	-
	Z Factor	floating point number	`Z_SCALE`	-	Default: 1.000000
	Value	table field	`V_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
	Fit	choice	`TARGET_USER_FITS`	-	Available Choices: [0] nodes [1] cells Default: 0
	Grid System	grid system	`TARGET_SYSTEM`	-	-
	Cellsize	floating point number	`TARGET_USER_ZSIZE`	-	Minimum: 0.000000 Default: 1.000000
	Bottom	floating point number	`TARGET_USER_ZMIN`	-	Default: 0.000000
	Top	floating point number	`TARGET_USER_ZMAX`	-	Default: 100.000000
	Levels	integer number	`TARGET_USER_ZNUM`	-	Minimum: 1 Default: 101
	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: 1
	Maximum	integer number	`SEARCH_POINTS_MAX`	maximum number of nearest points	Minimum: 1 Default: 20
	Weighting Function	choice	`DW_WEIGHTING`	-	Available Choices: [0] no distance weighting [1] inverse distance to a power [2] exponential [3] gaussian Default: 1
	Power	floating point number	`DW_IDW_POWER`	-	Minimum: 0.000000 Default: 2.000000
	Bandwidth	floating point number	`DW_BANDWIDTH`	Bandwidth for exponential and Gaussian weighting	Minimum: 0.000000 Default: 1.000000

Command Line


Usage: saga_cmd grids_tools 6 [-POINTS ] [-Z_FIELD ] [-Z_SCALE ] [-V_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 ] [-GRIDS ] [-TARGET_USER_ZSIZE ] [-TARGET_USER_ZMIN ] [-TARGET_USER_ZMAX ] [-TARGET_USER_ZNUM ] [-SEARCH_RANGE ] [-SEARCH_RADIUS ] [-SEARCH_POINTS_ALL ] [-SEARCH_POINTS_MIN ] [-SEARCH_POINTS_MAX ] [-DW_WEIGHTING ] [-DW_IDW_POWER ] [-DW_BANDWIDTH ]
  -POINTS:              	Points
	shapes, input
  -Z_FIELD:             	Z
	table field
  -Z_SCALE:          	Z Factor
	floating point number
	Default: 1.000000
  -V_FIELD:             	Value
	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
  -GRIDS:               	Grid Collection
	grid collection, output
  -TARGET_USER_ZSIZE:	Cellsize
	floating point number
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_ZMIN: 	Bottom
	floating point number
	Default: 0.000000
  -TARGET_USER_ZMAX: 	Top
	floating point number
	Default: 100.000000
  -TARGET_USER_ZNUM:    	Levels
	integer number
	Minimum: 1
	Default: 101
  -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: 1
  -SEARCH_POINTS_MAX:   	Maximum
	integer number
	Minimum: 1
	Default: 20
  -DW_WEIGHTING:        	Weighting Function
	choice
	Available Choices:
	[0] no distance weighting
	[1] inverse distance to a power
	[2] exponential
	[3] gaussian
	Default: 1
  -DW_IDW_POWER:     	Power
	floating point number
	Minimum: 0.000000
	Default: 2.000000
  -DW_BANDWIDTH:     	Bandwidth
	floating point number
	Minimum: 0.000000
	Default: 1.000000