Tool Polygon Shape Indices
Various indices describing the shape of polygons, mostly based on area, perimeter, maximum distance between the vertices of a polygon. E.g. the 'interior edge ratio' (= perimeter / area) or the 'shape index' (= perimeter / (2 * square root(pi * area))).
References
- Lang, S. & Blaschke, T. (2007): Landschaftsanalyse mit GIS. Stuttgart.
- Forman, R.T.T. & Godron, M. (1986): Landscape Ecology. Cambridge.
- Author: O.Conrad (c) 2008
- Menu: Shapes|Polygons
Parameters
| Name | Type | Identifier | Description | Constraints |
Input | Shapes | Shapes (input) | SHAPES | - | - |
Output | Shape Index (*) | Shapes (optional output) | INDEX | - | - |
(*) optional |
Command-line
Usage: saga_cmd shapes_polygons 7 [-SHAPES <str>] [-INDEX <str>]
-SHAPES:<str> Shapes
Shapes (input)
-INDEX:<str> Shape Index
Shapes (optional output)