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 | - | - |
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