Tool Simple Kriging
Simple Kriging for grid interpolation from irregular sample points.
- Author: O.Conrad (c) 2015
- Menu: Spatial and Geostatistics|Kriging
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 | 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 | 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 | - | - | |
| Error Measure | Choice | TQUALITY | - | Available Choices: [0] Standard Deviation [1] Variance Default: 1 | |
| Maximum Distance | Floating point, CMD | VAR_MAXDIST | maximum distance for variogram estimation, ignored if set to zero | Minimum: 0.000000 Default: 0.000000 | |
| Lag Distance Classes | Integer, CMD | VAR_NCLASSES | initial number of lag distance classes | Minimum: 1 Default: 100 | |
| Skip | Integer, CMD | VAR_NSKIP | - | Minimum: 1 Default: 1 | |
| Model | Text, CMD | VAR_MODEL | - | Default: a + b * x | |
| Logarithmic Transformation | Boolean | LOG | - | Default: 0 | |
| Block Kriging | Boolean | BLOCK | - | Default: 0 | |
| Block Size | Floating point | 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 | 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 | 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: 16 | |
| Maximum | Integer | SEARCH_POINTS_MAX | maximum number of nearest points | Minimum: 1 Default: 20 | |
| (*) optional | |||||
Command-line
Usage: saga_cmd statistics_kriging 1 [-POINTS <str>] [-FIELD <str>] [-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>] [-PREDICTION <str>] [-VARIANCE <str>] [-TQUALITY <str>] [-VAR_MAXDIST <double>] [-VAR_NCLASSES <num>] [-VAR_NSKIP <num>] [-VAR_MODEL <str>] [-LOG <str>] [-BLOCK <str>] [-DBLOCK <double>] [-CV_METHOD <str>] [-CV_SUMMARY <str>] [-CV_RESIDUALS <str>] [-CV_SAMPLES <num>] [-SEARCH_RANGE <str>] [-SEARCH_RADIUS <double>] [-SEARCH_POINTS_ALL <str>] [-SEARCH_POINTS_MIN <num>] [-SEARCH_POINTS_MAX <num>] -POINTS:<str> Points Shapes, input -FIELD:<str> Attribute Table field -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 -PREDICTION:<str> Prediction Grid, output -VARIANCE:<str> Prediction Error Grid, output, optional -TQUALITY:<str> Error Measure Choice Available Choices: [0] Standard Deviation [1] Variance Default: 1 -VAR_MAXDIST:<double> Maximum Distance Floating point, CMD Minimum: 0.000000 Default: 0.000000 -VAR_NCLASSES:<num> Lag Distance Classes Integer, CMD Minimum: 1 Default: 100 -VAR_NSKIP:<num> Skip Integer, CMD Minimum: 1 Default: 1 -VAR_MODEL:<str> Model Text, CMD Default: a + b * x -LOG:<str> Logarithmic Transformation Boolean Default: 0 -BLOCK:<str> Block Kriging Boolean Default: 0 -DBLOCK:<double> Block Size Floating point Minimum: 0.000000 Default: 100.000000 -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 -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: 16 -SEARCH_POINTS_MAX:<num> Maximum Integer Minimum: 1 Default: 20