Model attributes (Heat Overlay): Difference between revisions

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The [[Heat_(Overlay)|heat overlay's]] model calculations depend on a number of calculation-wide parameters. These parameters are available as [[attribute]]s of the heat overlay and can be modified as such.
The [[Heat_(Overlay)|heat overlay's]] model calculations depend on a number of calculation-wide parameters. These parameters are available as [[attribute]]s of the heat overlay and can be modified as such.


{| class="wikitable"
{{Overlay attributes|suppresscategory=true|
! Attribute
  {{ :Daily avg radiation (Heat Overlay) }}
! Unit
  {{ :Daily avg wind speed (Heat Overlay) }}
! Description
  {{ :Daily temperature max (Heat Overlay) }}
|-
  {{ :Daily temperature min (Heat Overlay) }}
| [[Averaged last result (Heat Overlay)|AVERAGED_LAST_RESULT]]
| {{boolean}}
| Whether to ignore the date-time setting for the last calculated timeframe, and show an average of the results of all preceding timeframes instead.
|-
| [[Daily avg radiation (Heat Overlay)|DAILY_AVG_RADIATION]]
| Wm<sup>-2</sup> / hr
| The average of amount of sun radiation per hour per square meter for this day, measured at a [[Weather station (Heat Overlay)|weather station]].
|-
| [[ Daily avg wind speed (Heat Overlay)|DAILY_AVG_WIND_SPEED]]
| m/s
| The daily average wind speed measured at a [[Weather station (Heat Overlay)|weather station]] at the height of 10 meters above ground.
|-
| [[Daily temperature max (Heat Overlay)|DAILY_TEMPERATURE_MAX]]
| °C
| Maximum temperature measured at a [[Weather station (Heat Overlay)|weather station]].
|-
| [[Daily temperature min (Heat Overlay)|DAILY_TEMPERATURE_MIN]]
| °C
| Minimum temperature measured at a [[Weather station (Heat Overlay)|weather station]].
|-
| [[Dates_(Heat_Overlay)|DATES]]
| {{timestamp}}
| Dates define the amount of timeframes and are used to define the day and time for calculating sun angles.
|-
| [[Exclude buildings (Heat Overlay)|EXCLUDE_BUILDINGS]]
| {{boolean}}
| Whether the results of buildings should be excluded from the final results.
|-
| [[Exclude water (Heat Overlay)|EXCLUDE_WATER]]
| {{boolean}}
| Whether the results at the location of water should be excluded from the final results.
|-
| [[Foliage areas (Heat Overlay)|FOLIAGE_AREAS]]
| {{boolean}}
| Whether to use [[Foliage height (Heat Overlay)|foliage data]] from [[Area]]s instead of the calculated foliage decks from functions with a [[foliage crown factor (Heat Overlay)|foliage crown factor]].
|-
| [[Hourly humidity (Heat Overlay)|HOURLY_HUMIDITY]]
| percentage
| The relative humidity of the air at this hour, measured at a [[Weather station (Heat Overlay)|weather station]].
|-
| [[Hourly radiation (Heat Overlay)|HOURLY_RADIATION]]
| Wm<sup>-2</sup> / hr
| The amount of Sun radiation this hour, measured at a [[Weather station (Heat Overlay)|weather station]].
|-
| [[Hourly temperature (Heat Overlay)|HOURLY_TEMPERATURE]]
| °C
| The temperature at this hour, measured at a [[Weather station (Heat Overlay)|weather station]].
|-
| [[Sun altitude (Heat Overlay)|SUN_ALTITUDE]]
| °
| The sun angle up from the horizon.
|-
| [[Sun azimuth (Heat Overlay)|SUN_AZIMUTH]]
| [[Geo angle]]
| The angle along the horizon, with 0° corresponding to north, and increasing in a clockwise fashion
|-
| [[Sun daily motion (Heat Overlay)|SUN_DAILY_MOTION]]
| factor
| A factor to account for the sun moving across the sky throughout the day.
|-
| [[Wind direction (Heat Overlay)|WIND_DIRECTION]]
| [[Geo angle]]
| The wind direction viewed from above, with 0° corresponding to north, and increasing in a clockwise fashion.
|-
| [[Wind speed (Heat Overlay)|WIND_SPEED]]
| m/s
| The wind speed measured at a [[Weather station (Heat Overlay)|weather station]] at the height of 10 meters above ground.
|-
|}


==Notes==
  {{ :Dates (Heat Overlay) }}
 
  {{ :Exclude buildings (Heat Overlay) }}
  {{ :Exclude water (Heat Overlay) }}
  {{ :Exclude foliage height m (Heat Overlay) }}
  {{ :Foliage areas (Heat Overlay) }}
 
  {{ :Hourly humidity (Heat Overlay) }}
  {{ :Hourly radiation (Heat Overlay) }}
  {{ :Hourly temperature (Heat Overlay) }}
 
  {{ :Max shadow distance (Heat Overlay) }}
 
  {{ :Sun altitude (Heat Overlay) }}
  {{ :Sun azimuth (Heat Overlay) }}
  {{ :Sun daily motion (Heat Overlay) }}
 
  {{ :Wind direction (Heat Overlay) }}
  {{ :Wind speed (Heat Overlay) }}
}}
 
{{article end
|notes=
* The model relies on a number of attributes which can be measured by measure stations. For any given project, it is recommended to find data from a (reference) weather station applicable to the project area, and use those values as parameters for the Heat Module calculations.
* The model relies on a number of attributes which can be measured by measure stations. For any given project, it is recommended to find data from a (reference) weather station applicable to the project area, and use those values as parameters for the Heat Module calculations.
* When the [[Dates (Heat Overlay)|DATES]] attribute is configured for multiple timeframes, the Hourly, Sun, and Wind attributes should have an equal amount of entries. When using the Heat Overlay configuration wizard, the necessary entries are created automatically.
* When the [[Dates (Heat Overlay)|DATES]] attribute is configured for multiple timeframes, the Hourly, Sun, and Wind attributes should have an equal amount of entries. When using the Heat Overlay configuration wizard, the necessary entries are created automatically.
|seealso=
* [[Weather station (Heat Overlay)]]
}}


==See also==
{{HeatOverlay model attribute nav}}
* [[Weather station (Heat Overlay)|Weather station]]
 
{{Template:HeatOverlay model attribute nav}}

Latest revision as of 13:02, 15 March 2024

The heat overlay's model calculations depend on a number of calculation-wide parameters. These parameters are available as attributes of the heat overlay and can be modified as such.


Notes

  • The model relies on a number of attributes which can be measured by measure stations. For any given project, it is recommended to find data from a (reference) weather station applicable to the project area, and use those values as parameters for the Heat Module calculations.
  • When the DATES attribute is configured for multiple timeframes, the Hourly, Sun, and Wind attributes should have an equal amount of entries. When using the Heat Overlay configuration wizard, the necessary entries are created automatically.

See also