| Tool Name | Sky View Factor |
| Tool ID | 3 |
| Library ID | ta_lighting |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2008 |
Böhner, J., & Antonic, O. (2009): Land-surface parameters specific to topo-climatology. In: Hengl, T., & Reuter, H. (Eds.): Geomorphometry - Concepts, Software, Applications. Developments in Soil Science, Volume 33, p.195-226, Elsevier. doi:10.1016/S0166-2481(08)00008-1
Hantzschel, J., Goldberg, V., Bernhofer, C. (2005): GIS-based regionalisation of radiation, temperature and coupling measures in complex terrain for low mountain ranges. Meteorological Applications, V.12:01, p.33-42.). doi:10.1017/S1350482705001489
Oke, T.R. (2000): Boundary Layer Climates. Taylor & Francis, New York. 435pp.
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Elevation | grid, input | DEM | ||
| Output | ||||
| Visible Sky | grid, output | VISIBLE | The unobstructed hemisphere given as percentage. | |
| Sky View Factor | grid, output | SVF | ||
| Sky View Factor (Simplified) | grid, output, optional | SIMPLE | ||
| Terrain View Factor | grid, output, optional | TERRAIN | ||
| Average View Distance | grid, output, optional | DISTANCE | Average distance to horizon. | |
| Options | ||||
| Maximum Search Radius | floating point number | RADIUS | The maximum search radius [map units]. This value is ignored if set to zero. | Minimum: 0.000000 Default: 10000.000000 |
| Number of Sectors | integer number | NDIRS | Minimum: 3 Default: 8 | |
| Method | choice | METHOD | Available Choices: [0] cell size [1] multi scale Default: 0 | |
| Multi Scale Factor | floating point number | DLEVEL | Minimum: 1.250000 Default: 3.000000 | |