SAGA-GIS Tool Library Documentation (v7.2.0)

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.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputPointsShapes (input)POINTS--
Target System (*)Grid (optional input)TARGET_TEMPLATEuse this grid's system for output grids-
OutputTarget GridGrid (output)TARGET_OUT_GRID--
OptionsPopulation (*)Table fieldPOPULATION--
RadiusFloating pointRADIUS-Minimum: 0.000000
Default: 1.000000
KernelChoiceKERNEL-Available Choices:
[0] quartic kernel
[1] gaussian kernel
Default: 0
Target Grid SystemChoiceTARGET_DEFINITION-Available Choices:
[0] user defined
[1] grid or grid system
Default: 0
CellsizeFloating pointTARGET_USER_SIZE-Minimum: 0.000000
Default: 1.000000
LeftFloating pointTARGET_USER_XMIN-Default: 0.000000
RightFloating pointTARGET_USER_XMAX-Default: 100.000000
BottomFloating pointTARGET_USER_YMIN-Default: 0.000000
TopFloating pointTARGET_USER_YMAX-Default: 100.000000
FitChoiceTARGET_USER_FITS-Available Choices:
[0] nodes
[1] cells
Default: 0
Grid SystemGrid systemTARGET_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_FITS <str>] [-TARGET_TEMPLATE <str>] [-TARGET_OUT_GRID <str>]
  -POINTS:<str>             	Points
	Shapes (input)
  -POPULATION:<str>         	Population
	Table field
  -RADIUS:<double>          	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_SIZE:<double>	Cellsize
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_XMIN:<double>	Left
	Floating point
	Default: 0.000000
  -TARGET_USER_XMAX:<double>	Right
	Floating point
	Default: 100.000000
  -TARGET_USER_YMIN:<double>	Bottom
	Floating point
	Default: 0.000000
  -TARGET_USER_YMAX:<double>	Top
	Floating point
	Default: 100.000000
  -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)