| Tool Name | B-Spline Approximation |
| Tool ID | 3 |
| Library ID | grid_spline |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2006 |
Lee, S., Wolberg, G., Shin, S.Y. (1997): Scattered Data Interpolation with Multilevel B-Splines. IEEE Transactions On Visualisation And Computer Graphics, Vol.3, No.3., p.228-244. ResearchGate
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Points | shapes, input | SHAPES | ||
| Target System | grid, input, optional | TARGET_TEMPLATE | use this grid's system for output grids | |
| Output | ||||
| Target Grid | grid, output | TARGET_OUT_GRID | ||
| 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 | |
| Range | floating point number | LEVEL | B-spline range expressed as number of cells. | Minimum: 0.001000 Default: 1.000000 |