Module Kernel Density Estimation

Kernel density estimation. If any point is currently in selection only selected points are taken into account.

References:
- Fotheringham, A.S., Brunsdon, C., Charlton, M. (2000): Quantitative Geography. Sage. 270p.
- Lloyd, C.D. (2010): Spatial data analysis - An introduction for GIS users. Oxford. 206p.

Author: O.Conrad (c) 2010
Specification: grid
Menu: Grid|Gridding

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	Target Grid	Grid (output)	`TARGET_OUT_GRID`	-	-
Options	Population (*)	Table field	`POPULATION`	-	-
	Radius	Floating point	`RADIUS`	-	Minimum: 0.000000 Default: 1.000000
	Kernel	Choice	`KERNEL`	-	Available Choices: [0] quartic kernel [1] gaussian kernel Default: 0
	Target Grid System	Choice	`TARGET_DEFINITION`	-	Available Choices: [0] user defined [1] grid or grid system Default: 0
	Left	Floating point	`TARGET_USER_XMIN`	-	Default: 0.000000
	Right	Floating point	`TARGET_USER_XMAX`	-	Default: 100.000000
	Bottom	Floating point	`TARGET_USER_YMIN`	-	Default: 0.000000
	Top	Floating point	`TARGET_USER_YMAX`	-	Default: 100.000000
	Cellsize	Floating point	`TARGET_USER_SIZE`	-	Minimum: 0.000000 Default: 1.000000
	Fit	Choice	`TARGET_USER_FITS`	-	Available Choices: [0] nodes [1] cells Default: 0
(*) optional

Command-line

Usage: saga_cmd grid_gridding 6 [-POINTS <str>] [-POPULATION <str>] [-RADIUS <str>] [-KERNEL <str>] [-TARGET_DEFINITION <str>] [-TARGET_USER_XMIN <str>] [-TARGET_USER_XMAX <str>] [-TARGET_USER_YMIN <str>] [-TARGET_USER_YMAX <str>] [-TARGET_USER_SIZE <str>] [-TARGET_USER_FITS <str>] [-TARGET_TEMPLATE <str>] [-TARGET_OUT_GRID <str>]
  -POINTS:<str>           	Points
	Shapes (input)
  -POPULATION:<str>       	Population
	Table field
  -RADIUS:<str>           	Radius
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -KERNEL:<str>           	Kernel
	Choice
	Available Choices:
	[0] quartic kernel
	[1] gaussian kernel
	Default: 0
  -TARGET_DEFINITION:<str>	Target Grid System
	Choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -TARGET_USER_XMIN:<str> 	Left
	Floating point
	Default: 0.000000
  -TARGET_USER_XMAX:<str> 	Right
	Floating point
	Default: 100.000000
  -TARGET_USER_YMIN:<str> 	Bottom
	Floating point
	Default: 0.000000
  -TARGET_USER_YMAX:<str> 	Top
	Floating point
	Default: 100.000000
  -TARGET_USER_SIZE:<str> 	Cellsize
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_FITS:<str> 	Fit
	Choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:<str>  	Target System
	Grid (optional input)
  -TARGET_OUT_GRID:<str>  	Target Grid
	Grid (output)