Universal Kriging for grid interpolation from irregular sample points.
|   | Name | Type | Identifier | Description | Constraints | 
| Input | Points | Shapes (input) | POINTS | - | - | 
 | Target System (*) | Grid (optional input) | TARGET_TEMPLATE | use this grid's system for output grids | - | 
 | Predictors (*) | Grid list (optional input) | PREDICTORS | - | - | 
| Output | Prediction | Grid (output) | PREDICTION | - | - | 
 | Quality Measure (*) | Grid (optional output) | VARIANCE | - | - | 
| Options | Attribute | Table field | FIELD | - | - | 
 | Type of Quality Measure | Choice | TQUALITY | - | Available Choices: [0] standard deviation [1] variance Default: 0 | 
 | Logarithmic Transformation | Boolean | LOG | - | Default: 0 | 
 | Block Kriging | Boolean | BLOCK | - | Default: 0 | 
 | Block Size | Floating point | DBLOCK | - | Minimum: 0.000000 Default: 100.000000 | 
 | Maximum Distance | Floating point | VAR_MAXDIST | - | Default: -1.000000 | 
 | Lag Distance Classes | Integer | VAR_NCLASSES | initial number of lag distance classes | Minimum: 1 Default: 100 | 
 | Skip | Integer | VAR_NSKIP | - | Minimum: 1 Default: 1 | 
 | Model | Text | VAR_MODEL | - | Default: a + b * x | 
 | Target Grid System | Choice | TARGET_DEFINITION | - | Available Choices: [0] user defined [1] grid or grid system Default: 0 | 
 | Left | Floating point | TARGET_USER_XMIN | - | Default: 0.000000 | 
 | Right | Floating point | TARGET_USER_XMAX | - | Default: 100.000000 | 
 | Bottom | Floating point | TARGET_USER_YMIN | - | Default: 0.000000 | 
 | Top | Floating point | TARGET_USER_YMAX | - | Default: 100.000000 | 
 | Cellsize | Floating point | TARGET_USER_SIZE | - | Minimum: 0.000000 Default: 1.000000 | 
 | 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: 0 | 
 | 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: 0 | 
 | Minimum | Integer | SEARCH_POINTS_MIN | minimum number of points to use | Minimum: 1 Default: 16 | 
 | Maximum | Integer | SEARCH_POINTS_MAX | maximum number of nearest points | Minimum: 1 Default: 20 | 
 | Direction | Choice | SEARCH_DIRECTION | - | Available Choices: [0] all directions [1] quadrants Default: 0 | 
 | Grid Interpolation | Choice | INTERPOL | - | Available Choices: [0] Nearest Neighbor [1] Bilinear Interpolation [2] Inverse Distance Interpolation [3] Bicubic Spline Interpolation [4] B-Spline Interpolation Default: 4 | 
 | Coordinates | Boolean | COORDS | - | Default: 0 | 
| (*) optional |