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