Average calculation model (Heat Overlay): Difference between revisions
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* < 1.5 meter per second, the window is cell centered: 700x700 meters; | * < 1.5 meter per second, the window is cell centered: 700x700 meters; | ||
* >= 1.5 meter per second, the window is 1100 x 500 meters, centered at 1000 x 250 x 100 x 250, where the long edge 1000 is opposite of the wind direction. | * >= 1.5 meter per second, the window is 1100 x 500 meters, centered at 1000 x 250 x 100 x 250, where the long edge 1000 is opposite of the wind direction. | ||
[[File: | [[File:Average window nowind (Heat_Overlay).png|350px]][[File:Average window wind (Heat Overlay).png|350px]] | ||
The following parameters are averaged by this window: | The following parameters are averaged by this window: | ||
* Vegetation fraction, | * Vegetation fraction, based on the fraction [[Vegetation fraction (Heat Overlay)|green/vegetation]] present in Buildings and Terrains; | ||
* Sky view factor, calculated by the [[ | * Sky view factor, calculated by the [[Sky view factor calculation model (Heat Overlay)|Sky view factor calculation model]]; | ||
==See also== | ==See also== | ||
* [[ | * [[Vegetation avg result type (Heat Overlay)|Vegetation fraction average result type]] | ||
* [[ | * [[Sky view avg result type (Heat Overlay)|Sky view factor average result type]] | ||
{{Template:HeatOverlay_formula_nav}} | {{Template:HeatOverlay_formula_nav}} | ||
Revision as of 08:34, 19 November 2019
The wind speed and direction, measured at a weather station, are used to determine the window for averaging. If the wind speed is:
- < 1.5 meter per second, the window is cell centered: 700x700 meters;
- >= 1.5 meter per second, the window is 1100 x 500 meters, centered at 1000 x 250 x 100 x 250, where the long edge 1000 is opposite of the wind direction.
.png)
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The following parameters are averaged by this window:
- Vegetation fraction, based on the fraction green/vegetation present in Buildings and Terrains;
- Sky view factor, calculated by the Sky view factor calculation model;
See also
