| Tool Name | Terrain Surface Classification (Iwahashi and Pike) |
| Tool ID | 22 |
| Library ID | ta_morphometry |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2012 |
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Elevation | grid, input | DEM | ||
| Slope | grid, input, optional | SLOPE | ||
| Convexity | grid, input, optional | CONVEXITY | ||
| Texture | grid, input, optional | TEXTURE | ||
| Output | ||||
| Landforms | grid, output | LANDFORMS | ||
| Options | ||||
| Recalculate | boolean | CONV_RECALC | Default: 0 | |
| Recalculate | boolean | TEXT_RECALC | Default: 0 | |
| Number of Classes | choice | TYPE | Available Choices: [0] 8 [1] 12 [2] 16 Default: 2 | |
| Scale (Cells) | integer number | CONV_SCALE | Minimum: 1 Default: 10 | |
| Laplacian Filter Kernel | choice | CONV_KERNEL | Available Choices: [0] four-neighbourhood [1] eight-neihbourhood [2] eight-neihbourhood (distance based weighting) Default: 0 | |
| Type | choice | CONV_TYPE | Available Choices: [0] convexity [1] concavity Default: 0 | |
| Flat Area Threshold | floating point number | CONV_EPSILON | Minimum: 0.000000 Default: 0.000000 | |
| Scale (Cells) | integer number | TEXT_SCALE | Minimum: 10 Default: 2 | |
| Flat Area Threshold | floating point number | TEXT_EPSILON | maximum difference between original and median filtered elevation (3x3 moving window) that still is recognized flat | Minimum: 0.000000 Default: 1.000000 |