Universal Kriging for grid interpolation from irregular sample points.
| 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 |
Grid System | grid system | TARGET_SYSTEM | - | - |
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 Interpolation
[2] Bicubic Spline Interpolation
[3] B-Spline Interpolation
Default: 3 |
Coordinates | boolean | COORDS | - | Default: 0 |