Tool 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
Menu: Grid|Gridding

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	Target Grid	grid, output	`TARGET_OUT_GRID`	-	-
Options	Population (*)	table field	`POPULATION`	-	-
	Radius	floating point number	`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
	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`	-	-
(*) optional

Command-line

Usage: saga_cmd grid_gridding 6 [-POINTS <str>] [-POPULATION <str>] [-RADIUS <double>] [-KERNEL <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>] [-TARGET_OUT_GRID <str>]
  -POINTS:<str>             	Points
	shapes, input
  -POPULATION:<str>         	Population
	table field
  -RADIUS:<double>          	Radius
	floating point number
	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_SIZE:<double>	Cellsize
	floating point number
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_XMIN:<double>	West
	floating point number
	Default: 0.000000
  -TARGET_USER_XMAX:<double>	East
	floating point number
	Default: 100.000000
  -TARGET_USER_YMIN:<double>	South
	floating point number
	Default: 0.000000
  -TARGET_USER_YMAX:<double>	North
	floating point number
	Default: 100.000000
  -TARGET_USER_COLS:<num>   	Columns
	integer number
	Minimum: 1
	Default: 101
  -TARGET_USER_ROWS:<num>   	Rows
	integer number
	Minimum: 1
	Default: 101
  -TARGET_USER_FITS:<str>   	Fit
	choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:<str>    	Target System
	grid, input, optional, CMD
  -TARGET_OUT_GRID:<str>    	Target Grid
	grid, output