Building elevation prequel (Heat Overlay): Difference between revisions

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|notes=* The values in this prequel grid are clamped between the mentioned min and max. No data values are not allowed, although negative {{nodata}} values will result in a foliage height of 0. An [[Average Overlay]] can be used to fill in the {{nodata}} values of an other grid overlay.
|notes=* The values in this prequel grid are clamped between the mentioned min and max. No data values are not allowed, although negative {{nodata}} values will result in a foliage height of 0. An [[Average Overlay]] can be used to fill in the {{nodata}} values of an other grid overlay.
* The foliage height is a relative height value in meters. Not the datum height.  
* The building elevation is a datum height.
}}
}}


{{HeatOverlay model attribute nav}}
{{HeatOverlay model attribute nav}}

Revision as of 14:48, 23 January 2024

Name Prequel Underlying data Unit Range No data Description
Building elevation BUILDING_ELEVATION Heat Prequel m -10000 to 10000 Clamped to range Used for initializing the digital surface model used for this Heat Overlay.


Notes

  • The values in this prequel grid are clamped between the mentioned min and max. No data values are not allowed, although negative NO_DATA values will result in a foliage height of 0. An Average Overlay can be used to fill in the NO_DATA values of an other grid overlay.
  • The building elevation is a datum height.
Heat Module
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Heat Module
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Overview
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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
Building attributes
Bowen ratio • Foliage height • Foliage crown factor • Vegetation fraction
Prequels
Building elevation • Foliage height • Terrain elevation
Related
Calculation models and formulas • Feature attributes • Model attributes • Result types


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