Tool Inverse Distance Weighted
Inverse distance grid interpolation from irregular distributed points.
- Author: O.Conrad (c) 2003
- Menu: Grid|Gridding|Interpolation
- WIKI: http://sourceforge.net/apps/trac/saga-gis/wiki/grid_gridding_1
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 | Cross Validation Summary (*) | Table, output, optional | CV_SUMMARY | - | - |
Cross Validation Residuals (*) | Shapes, output, optional | CV_RESIDUALS | - | - | |
Target Grid | Grid, output | TARGET_OUT_GRID | - | - | |
Options | Attribute | Table field | FIELD | - | - |
Cross Validation | Choice | CV_METHOD | - | Available Choices: [0] none [1] leave one out [2] 2-fold [3] k-fold Default: 0 | |
Cross Validation Subsamples | Integer | CV_SAMPLES | number of subsamples for k-fold cross validation | Minimum: 2 Default: 10 | |
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: 101 | |
Rows | Integer | 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 | - | - | |
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 Default: 0 | |
Power | Floating point | DW_IDW_POWER | - | Minimum: 0.000000 Default: 2.000000 | |
Bandwidth | Floating point | DW_BANDWIDTH | Bandwidth for exponential and Gaussian weighting | Minimum: 0.000000 Default: 1.000000 | |
(*) optional |
Command-line
Usage: saga_cmd grid_gridding 1 [-POINTS <str>] [-FIELD <str>] [-CV_METHOD <str>] [-CV_SUMMARY <str>] [-CV_RESIDUALS <str>] [-CV_SAMPLES <num>] [-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>] [-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_BANDWIDTH <double>] -POINTS:<str> Points Shapes, input -FIELD:<str> Attribute Table field -CV_METHOD:<str> Cross Validation Choice Available Choices: [0] none [1] leave one out [2] 2-fold [3] k-fold Default: 0 -CV_SUMMARY:<str> Cross Validation Summary Table, output, optional -CV_RESIDUALS:<str> Cross Validation Residuals Shapes, output, optional -CV_SAMPLES:<num> Cross Validation Subsamples Integer Minimum: 2 Default: 10 -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: 101 -TARGET_USER_ROWS:<num> Rows Integer 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 -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 Default: 0 -DW_IDW_POWER:<double> Power Floating point Minimum: 0.000000 Default: 2.000000 -DW_BANDWIDTH:<double> Bandwidth Floating point Minimum: 0.000000 Default: 1.000000