Tool Soil Texture Classification
Derive soil texture classes from sand, silt and clay contents. Currently supported schemes are USDA and German Kartieranleitung 5.
References
- Author: Gianluca Massei (c) 2007 (g_massa@libero.it), L.Landschreiber, O.Conrad (c) 2017
- Menu: Grid|Analysis|Soil Analysis
Parameters
| Name | Type | Identifier | Description | Constraints | |
|---|---|---|---|---|---|
| Input | Sand (*) | Grid (optional input) | SAND | sand content given as percentage | - |
| Silt (*) | Grid (optional input) | SILT | silt content given as percentage | - | |
| Clay (*) | Grid (optional input) | CLAY | clay content given as percentage | - | |
| Output | Soil Texture | Grid (output) | TEXTURE | soil texture | - |
| Sum (*) | Grid (optional output) | SUM | Sum of percentages | - | |
| Scheme as Polygons (*) | Shapes (optional output) | POLYGONS | - | - | |
| Options | Grid system | Grid system | PARAMETERS_GRID_SYSTEM | - | - |
| Classification | Choice | SCHEME | - | Available Choices: [0] USDA [1] Germany KA5 [2] Belgium/France [3] user defined Default: 0 | |
| Default Colour Scheme | Choice | COLORS | - | Available Choices: [0] Scheme 1 [1] Scheme 2 [2] Scheme 3 Default: 0 | |
| X/Y Axes | Choice | XY_AXES | - | Available Choices: [0] Sand and Clay [1] Sand and Silt [2] Silt and Sand [3] Silt and Clay [4] Clay and Sand [5] Clay and Silt Default: 3 | |
| Triangle | Choice | TRIANGLE | - | Available Choices: [0] right-angled [1] isosceles Default: 1 | |
| (*) optional | |||||
Command-line
Usage: saga_cmd grid_analysis 14 [-SAND <str>] [-SILT <str>] [-CLAY <str>] [-TEXTURE <str>] [-SUM <str>] [-SCHEME <str>] [-COLORS <str>] [-USER <str>] [-POLYGONS <str>] [-XY_AXES <str>] [-TRIANGLE <str>] -SAND:<str> Sand Grid (optional input) -SILT:<str> Silt Grid (optional input) -CLAY:<str> Clay Grid (optional input) -TEXTURE:<str> Soil Texture Grid (output) -SUM:<str> Sum Grid (optional output) -SCHEME:<str> Classification Choice Available Choices: [0] USDA [1] Germany KA5 [2] Belgium/France [3] user defined Default: 0 -COLORS:<str> Default Colour Scheme Choice Available Choices: [0] Scheme 1 [1] Scheme 2 [2] Scheme 3 Default: 0 -USER:<str> User Definition Static table 4 Fields: - 1. [string] COLOR - 2. [string] KEY - 3. [string] NAME - 4. [string] POLYGON -POLYGONS:<str> Scheme as Polygons Shapes (optional output) -XY_AXES:<str> X/Y Axes Choice Available Choices: [0] Sand and Clay [1] Sand and Silt [2] Silt and Sand [3] Silt and Clay [4] Clay and Sand [5] Clay and Silt Default: 3 -TRIANGLE:<str> Triangle Choice Available Choices: [0] right-angled [1] isosceles Default: 1