| Tool Name | Inverse Distance Weighted |
| Tool ID | 1 |
| Library ID | grid_gridding |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2003 |
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Points | shapes, input | POINTS | ||
| Target System | grid, input, optional | 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 number | 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 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 |
| Rounding | boolean | TARGET_USER_FLAT | Round bounding coordinates to multiples of cell size. Ignored if cell size has decimal places. | Default: 1 |
| Fit | choice | TARGET_USER_FITS | Available Choices: [0] nodes [1] cells Default: 0 | |
| Search Range | choice | SEARCH_RANGE | Available Choices: [0] local [1] global Default: 1 | |
| Maximum Search Distance | floating point number | 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 number | SEARCH_POINTS_MIN | minimum number of points to use | Minimum: 1 Default: 1 |
| Maximum | integer number | 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: 1 | |
| Power | floating point number | DW_IDW_POWER | Minimum: 0.000000 Default: 2.000000 | |
| Bandwidth | floating point number | DW_BANDWIDTH | Bandwidth for exponential and Gaussian weighting | Minimum: 0.000000 Default: 1.000000 |