Foliage crown factor (Heat Overlay): Difference between revisions
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==Notes== | ==Notes== | ||
* Foliage can be calculated based on the FOLIAGE_CROWN_FACTOR. This calculation can be superseded when the [[ | * Foliage can be calculated based on the FOLIAGE_CROWN_FACTOR. This calculation can be superseded when the [[Heat Overlay]] (set to use the [[DPRA Heat Module]]) is configured to use either [[Area]]s or a [[GeoTiff]] to determine foliage height. In those cases the FOLIAGE_CROWN_FACTOR of [[Construction]]s is unused. | ||
==How to== | ==How to== | ||
Revision as of 08:51, 27 August 2020
The foliage crown factor is used to calculate the extend of foliage, which can influence the calculation of the sky view and the shade. The height of the construction multiplied by the the crown factor yields the radius of the foliage.
The crown factor is used because the extend of foliage itself is not consistently available as geographical data in geo-services for land use. Instead, only the extent of tree trunks may be recorded.
Notes
- Foliage can be calculated based on the FOLIAGE_CROWN_FACTOR. This calculation can be superseded when the Heat Overlay (set to use the DPRA Heat Module) is configured to use either Areas or a GeoTiff to determine foliage height. In those cases the FOLIAGE_CROWN_FACTOR of Constructions is unused.
How to
See also
- Group
- Model attributes
- Daily average radiation • Daily average wind speed • Daily maximum temperature • Daily minimum temperature • Dates • Exclude buildings • Exclude water • Exclude foliage height m • Foliage areas • Hourly humidity • Hourly radiation • Hourly temperature • Max shadow distance • Sun altitude • Sun azimuth • Sun daily motion • Wind direction • Wind speed • Wind decline angle
- Building attributes
- Building elevation • Foliage height • Terrain elevation
- Related
