| Tool Name | Universal Kriging |
| Tool ID | 2 |
| Library ID | statistics_kriging |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2008 |
| 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 | |
| Predictors | grid list, input, optional | PREDICTORS | ||
| Output | ||||
| Prediction | grid, output | PREDICTION | ||
| Prediction Error | grid, output, optional | VARIANCE | ||
| Cross Validation Summary | table, output, optional | CV_SUMMARY | ||
| Cross Validation Residuals | shapes, output, optional | CV_RESIDUALS | ||
| Options | ||||
| Attribute | table field | FIELD | ||
| 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 | |
| Error Measure | choice | TQUALITY | Available Choices: [0] Standard Deviation [1] Variance Default: 1 | |
| Maximum Distance | floating point number | VAR_MAXDIST | maximum distance for variogram estimation, ignored if set to zero | Minimum: 0.000000 Default: 0.000000 |
| Lag Distance Classes | integer number | VAR_NCLASSES | initial number of lag distance classes | Minimum: 1 Default: 100 |
| Skip | integer number | VAR_NSKIP | Minimum: 1 Default: 1 | |
| Model | text | VAR_MODEL | Default: b * x | |
| Logarithmic Transformation | boolean | LOG | Default: 0 | |
| Block Kriging | boolean | BLOCK | Default: 0 | |
| Block Size | floating point number | DBLOCK | Edge length [map units] | Minimum: 0.000000 Default: 100.000000 |
| 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 |
| 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: 16 |
| Maximum | integer number | SEARCH_POINTS_MAX | maximum number of nearest points | Minimum: 1 Default: 20 |
| Resampling | choice | RESAMPLING | Available Choices: [0] Nearest Neighbour [1] Bilinear [2] Cubic 1 [3] Cubic 2 Default: 3 | |
| Coordinates | boolean | COORDS | Default: 0 | |