Tool Inverse Distance Weighted (3D)

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

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

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Points	Shapes (input)	`POINTS`	-	-
Input	Target System (*)	Grid (optional input)	`TARGET_TEMPLATE`	use this grid's system for output grids	-
Output	Grid Collection	Grids (output)	`GRIDS`	-	-
Options	Z	Table field	`Z_FIELD`	-	-
	Z Factor	Floating point	`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	`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`	-	-
	Cellsize	Floating point	`TARGET_USER_ZSIZE`	-	Minimum: 0.000000 Default: 1.000000
	Bottom	Floating point	`TARGET_USER_ZMIN`	-	Default: 0.000000
	Top	Floating point	`TARGET_USER_ZMAX`	-	Default: 100.000000
	Levels	Integer	`TARGET_USER_ZNUM`	-	Minimum: 1 Default: 100
	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: 1
	Maximum	Integer	`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 weighting Default: 1
	Inverse Distance Weighting Power	Floating point	`DW_IDW_POWER`	-	Minimum: 0.000000 Default: 2.000000
	Inverse Distance Offset	Boolean	`DW_IDW_OFFSET`	Calculates weights for distance plus one, avoiding division by zero for zero distances	Default: 0
	Gaussian and Exponential Weighting Bandwidth	Floating point	`DW_BANDWIDTH`	-	Minimum: 0.000000 Default: 1.000000
(*) optional

Command-line

Usage: saga_cmd grids_tools 6 [-POINTS <str>] [-Z_FIELD <str>] [-Z_SCALE <double>] [-V_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>] [-GRIDS <str>] [-TARGET_USER_ZSIZE <double>] [-TARGET_USER_ZMIN <double>] [-TARGET_USER_ZMAX <double>] [-TARGET_USER_ZNUM <num>] [-SEARCH_RANGE <str>] [-SEARCH_RADIUS <double>] [-SEARCH_POINTS_ALL <str>] [-SEARCH_POINTS_MIN <num>] [-SEARCH_POINTS_MAX <num>] [-DW_WEIGHTING <str>] [-DW_IDW_POWER <double>] [-DW_IDW_OFFSET <str>] [-DW_BANDWIDTH <double>]
  -POINTS:<str>              	Points
	Shapes (input)
  -Z_FIELD:<str>             	Z
	Table field
  -Z_SCALE:<double>          	Z Factor
	Floating point
	Default: 1.000000
  -V_FIELD:<str>             	Value
	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)
  -GRIDS:<str>               	Grid Collection
	Grids (output)
  -TARGET_USER_ZSIZE:<double>	Cellsize
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_ZMIN:<double> 	Bottom
	Floating point
	Default: 0.000000
  -TARGET_USER_ZMAX:<double> 	Top
	Floating point
	Default: 100.000000
  -TARGET_USER_ZNUM:<num>    	Levels
	Integer
	Minimum: 1
	Default: 100
  -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: 1
  -SEARCH_POINTS_MAX:<num>   	Maximum
	Integer
	Minimum: 1
	Default: 20
  -DW_WEIGHTING:<str>        	Weighting Function
	Choice
	Available Choices:
	[0] no distance weighting
	[1] inverse distance to a power
	[2] exponential
	[3] gaussian weighting
	Default: 1
  -DW_IDW_POWER:<double>     	Inverse Distance Weighting Power
	Floating point
	Minimum: 0.000000
	Default: 2.000000
  -DW_IDW_OFFSET:<str>       	Inverse Distance Offset
	Boolean
	Default: 0
  -DW_BANDWIDTH:<double>     	Gaussian and Exponential Weighting Bandwidth
	Floating point
	Minimum: 0.000000
	Default: 1.000000