Model attributes (Heat Overlay): Difference between revisions

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| {{boolean}}
| {{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.
| 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]]
| [[Dates_(Heat_Overlay)|DATES]]
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| Dates define the amount of timeframes and are used to define the day and time for calculating sun angles.
| Dates define the amount of timeframes and are used to define the day and time for calculating sun angles.
|-
|-
| [[Hourly_radiation_(Heat_Overlay)|HOURLY_RADIATION]]
| [[Exclude buildings (Heat Overlay)|EXCLUDE_BUILDINGS]]
| Wm<sup>-2</sup> / hr
| {{boolean}}
| The amount of Sun radiation this hour, measured at a [[Weather station (Heat Overlay)|weather station]].
|
|-
| [[Exclude water (Heat Overlay)|EXCLUDE_WATER]]
| {{boolean}}
|
|-
| [[Foliage areas (Heat Overlay)|FOLIAGE_AREAS]]
| {{boolean}}
|
|-
|-
| [[Hourly_humidity_(Heat_Overlay)|HOURLY_HUMIDITY]]
| [[Hourly_humidity_(Heat_Overlay)|HOURLY_HUMIDITY]]
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| The relative humidity of the air at this hour, measured at a [[Weather station (Heat Overlay)|weather station]].  
| 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]].
|-
| [[Sun_daily_motion_(Heat_Overlay)|SUN_DAILY_MOTION]]
| [[Sun_daily_motion_(Heat_Overlay)|SUN_DAILY_MOTION]]
| factor
| factor
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| [[Geo angle]]
| [[Geo angle]]
| The wind direction viewed from above, with 0° corresponding to north, and increasing in a clockwise fashion.
| The wind direction viewed from above, with 0° corresponding to north, and increasing in a clockwise fashion.
|-
| [[Daily temperature min (Heat Overlay)|DAILY_TEMPERATURE_MIN]]
| °C
| Minimum temperature measured at a [[Weather station (Heat Overlay)|weather station]].
|-
| [[Daily temperature max (Heat Overlay)|DAILY_TEMPERATURE_MAX]]
| °C
| Maximum temperature measured at a [[Weather station (Heat Overlay)|weather station]].
|-
| [[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.
|-
|-
| [[ Sun_altitude_(Heat_Overlay)|SUN_ALTITUDE]]
| [[ Sun_altitude_(Heat_Overlay)|SUN_ALTITUDE]]

Revision as of 10:07, 17 December 2019

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.

Attribute Unit Description
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 Wm-2 / hr The average of amount of sun radiation per hour per square meter for this day, measured at a weather station.
DAILY_AVG_WIND_SPEED m/s The daily average wind speed measured at a weather station at the height of 10 meters above ground.
DAILY_TEMPERATURE_MAX °C Maximum temperature measured at a weather station.
DAILY_TEMPERATURE_MIN °C Minimum temperature measured at a weather station.
DATES timestamp Dates define the amount of timeframes and are used to define the day and time for calculating sun angles.
EXCLUDE_BUILDINGS boolean
EXCLUDE_WATER boolean
FOLIAGE_AREAS boolean
HOURLY_HUMIDITY percentage The relative humidity of the air at this hour, measured at a weather station.
HOURLY_RADIATION Wm-2 / hr The amount of Sun radiation this hour, measured at a weather station.
SUN_DAILY_MOTION factor A factor used in calculating the Atmospheric Temperature from the calculated Urban Heat Island value.
HOURLY_TEMPERATURE °C The temperature at this hour, measured at a weather station.
WIND_SPEED m/s The wind speed measured at a weather station at the height of 10 meters above ground.
WIND_DIRECTION Geo angle The wind direction viewed from above, with 0° corresponding to north, and increasing in a clockwise fashion.
SUN_ALTITUDE ° The sun angle up from the horizon.
SUN_AZIMUTH Geo angle The angle along the horizon, with 0° corresponding to north, and increasing in a clockwise fashion

Notes

  • The sun altitude and azimuth are calculated automatically based on the project world location and the date.
  • Some model attributes have to be based on a reference weather station.