Module Visibility (points)
This module computes a visibility analysis using observer points from a point shapefile.
- Author: Volker Wichmann (c) 2013
- Specification: grid
- Menu: Terrain Analysis|Lighting
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | Elevation | Grid (input) | ELEVATION | - | - |
| Points | Shapes (input) | POINTS | Observer points. | - |
| Output | Visibility | Grid (output) | VISIBILITY | - | - |
| Options | Height | Table field | FIELD_HEIGHT | Height of the light source above ground. | - |
| Unit | Choice | METHOD | - | Available Choices:
[0] Visibility
[1] Shade
[2] Distance
[3] Size
Default: 1 |
Command-line
Usage: saga_cmd ta_lighting 6 [-ELEVATION <str>] [-VISIBILITY <str>] [-POINTS <str>] [-FIELD_HEIGHT <str>] [-METHOD <str>]
-ELEVATION:<str> Elevation
Grid (input)
-VISIBILITY:<str> Visibility
Grid (output)
-POINTS:<str> Points
Shapes (input)
-FIELD_HEIGHT:<str> Height
Table field
-METHOD:<str> Unit
Choice
Available Choices:
[0] Visibility
[1] Shade
[2] Distance
[3] Size
Default: 1