Shade calculation model (Heat Stress Overlay) - Revision history

Frank@tygron.nl at 11:42, 13 April 2026

2026-04-13T11:42:42Z

← Older revision		Revision as of 11:42, 13 April 2026
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	Shades are an important factor in the [[Heat Stress Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.		Shades are an important factor in the [[Heat Stress Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.

	{{Shade calculation model \|Heat Overlay}}		{{Shade calculation model \|Heat Stress Overlay}}

	{{HeatOverlay formula nav}}		{{HeatOverlay formula nav}}

Frank@tygron.nl at 11:42, 13 April 2026

2026-04-13T11:42:32Z

← Older revision		Revision as of 11:42, 13 April 2026
Line 1:		Line 1:
	Shades are an important factor in the [[Heat Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.		Shades are an important factor in the [[Heat Stress Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.

	{{Shade calculation model \|Heat Overlay}}		{{Shade calculation model \|Heat Overlay}}

	{{HeatOverlay formula nav}}		{{HeatOverlay formula nav}}

Frank@tygron.nl: Frank@tygron.nl moved page Shade calculation model (Heat Overlay) to Shade calculation model (Heat Stress Overlay)

2026-04-13T11:38:14Z

Frank@tygron.nl moved page Shade calculation model (Heat Overlay) to Shade calculation model (Heat Stress Overlay)

← Older revision	Revision as of 11:38, 13 April 2026
(No difference)

Frank@tygron.nl at 09:01, 11 March 2026

2026-03-11T09:01:46Z

← Older revision		Revision as of 09:01, 11 March 2026
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	Shades are an important factor in the [[Heat Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.		Shades are an important factor in the [[Heat Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.

	{{: Shade calculation model \|Heat Overlay}}		{{Shade calculation model \|Heat Overlay}}

	{{HeatOverlay formula nav}}		{{HeatOverlay formula nav}}

Frank@tygron.nl at 11:26, 13 February 2025

2025-02-13T11:26:01Z

← Older revision		Revision as of 11:26, 13 February 2025
Line 1:		Line 1:
	Shades are an important factor in the [[Heat Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.		Shades are an important factor in the [[Heat Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.

	{{: Shade calculation model \| Heat Overlay}}		{{: Shade calculation model \|Heat Overlay}}

	{{HeatOverlay formula nav}}		{{HeatOverlay formula nav}}

Frank@tygron.nl at 10:52, 13 February 2025

2025-02-13T10:52:15Z

@@ Line 1: / Line 1: @@
 Shades are an important factor in the [[Heat Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.
-The shade is dependent on the location of the sun. This in turn is dependent on the [[Dates (Heat Overlay)|date and the time of day]] and the world location of the project.
+{{: Shade calculation model | Heat Overlay}}
 {{HeatOverlay formula nav}}

Frank@tygron.nl at 15:09, 23 January 2024

2024-01-23T15:09:38Z

← Older revision		Revision as of 15:09, 23 January 2024
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	\|notes=		\|notes=
	* Shade calculations are based on the heights of [[Building]]s starting from the ground. When a [[Building]]s references to a [[Custom Geometry]], for any grid cell a building is considered solid all the way from the ground up to the highest part of the [[Custom Geometry]] within that grid cell. This allows for detailed roofs, shadows, and tapering shapes, but will not include holes within the height of the building, such as spaces under balconies. The exact interpreted heights can be inspected via a [[Digital Surface Model Overlay]].		* Shade calculations are based on the heights of [[Building]]s starting from the ground. When a [[Building]]s references to a [[Custom Geometry]], for any grid cell a building is considered solid all the way from the ground up to the highest part of the [[Custom Geometry]] within that grid cell. This allows for detailed roofs, shadows, and tapering shapes, but will not include holes within the height of the building, such as spaces under balconies. The exact interpreted heights can be inspected via a [[Digital Surface Model Overlay]].
	* This model uses a maximum ray testing range, which can be configured using the [[Max shadow distance (Heat Overlay)\|MAX_SHADOW_DISTANCE]]. This setting can be configured with a values between 100 m and 1000 m. This means that calculated shadows cannot potentially be larger than ~~1000 m~~. The maximum ~~range~~ has no effect on the orientation of the shade.		* This model uses a maximum ray testing range, which can be configured using the [[Max shadow distance (Heat Overlay)\|MAX_SHADOW_DISTANCE]]. This setting can be configured with a values between 100 m and 1000 m. This also means that calculated shadows cannot potentially be larger than the configured distance. The maximum shadow distance has no effect on the orientation of the shade.
	\|seealso=		\|seealso=
	* [[Shade result type (Heat Overlay)]]		* [[Shade result type (Heat Overlay)]]
	}}		}}
	{{HeatOverlay formula nav}}		{{HeatOverlay formula nav}}

Frank@tygron.nl at 15:08, 23 January 2024

2024-01-23T15:08:55Z

← Older revision		Revision as of 15:08, 23 January 2024
Line 23:		Line 23:
	\|notes=		\|notes=
	* Shade calculations are based on the heights of [[Building]]s starting from the ground. When a [[Building]]s references to a [[Custom Geometry]], for any grid cell a building is considered solid all the way from the ground up to the highest part of the [[Custom Geometry]] within that grid cell. This allows for detailed roofs, shadows, and tapering shapes, but will not include holes within the height of the building, such as spaces under balconies. The exact interpreted heights can be inspected via a [[Digital Surface Model Overlay]].		* Shade calculations are based on the heights of [[Building]]s starting from the ground. When a [[Building]]s references to a [[Custom Geometry]], for any grid cell a building is considered solid all the way from the ground up to the highest part of the [[Custom Geometry]] within that grid cell. This allows for detailed roofs, shadows, and tapering shapes, but will not include holes within the height of the building, such as spaces under balconies. The exact interpreted heights can be inspected via a [[Digital Surface Model Overlay]].
	* ~~The~~ maximum ray testing range ~~is currently set to~~ 100 ~~meters~~. This means that ~~sun angles close to the horizon might not~~ be ~~accurate in the length of the shade~~. The maximum range has no effect on the orientation of the shade.		* This model uses a maximum ray testing range, which can be configured using the [[Max shadow distance (Heat Overlay)\|MAX_SHADOW_DISTANCE]]. This setting can be configured with a values between 100 m and 1000 m. This means that calculated shadows cannot potentially be larger than 1000 m. The maximum range has no effect on the orientation of the shade.
	\|seealso=		\|seealso=
	* [[Shade result type (Heat Overlay)]]		* [[Shade result type (Heat Overlay)]]
	}}		}}
	{{HeatOverlay formula nav}}		{{HeatOverlay formula nav}}

Frank@tygron.nl at 12:05, 28 July 2023

2023-07-28T12:05:18Z

← Older revision		Revision as of 12:05, 28 July 2023
Line 23:		Line 23:
	\|notes=		\|notes=
	* Shade calculations are based on the heights of [[Building]]s starting from the ground. When a [[Building]]s references to a [[Custom Geometry]], for any grid cell a building is considered solid all the way from the ground up to the highest part of the [[Custom Geometry]] within that grid cell. This allows for detailed roofs, shadows, and tapering shapes, but will not include holes within the height of the building, such as spaces under balconies. The exact interpreted heights can be inspected via a [[Digital Surface Model Overlay]].		* Shade calculations are based on the heights of [[Building]]s starting from the ground. When a [[Building]]s references to a [[Custom Geometry]], for any grid cell a building is considered solid all the way from the ground up to the highest part of the [[Custom Geometry]] within that grid cell. This allows for detailed roofs, shadows, and tapering shapes, but will not include holes within the height of the building, such as spaces under balconies. The exact interpreted heights can be inspected via a [[Digital Surface Model Overlay]].
			* The maximum ray testing range is currently set to 100 meters. This means that sun angles close to the horizon might not be accurate in the length of the shade. The maximum range has no effect on the orientation of the shade.
	\|seealso=		\|seealso=
	* [[Shade result type (Heat Overlay)]]		* [[Shade result type (Heat Overlay)]]
	}}		}}
	{{HeatOverlay formula nav}}		{{HeatOverlay formula nav}}

Frank@tygron.nl at 12:03, 28 July 2023

2023-07-28T12:03:20Z

← Older revision		Revision as of 12:03, 28 July 2023
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	~~Whether a cell is in the shade or not is~~ an important factor in the [[Heat Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.		Shades are an important factor in the [[Heat Overlay]]. Whether a cell is shaded or not determines which PET function is used, PET<sub>sun</sub> or PET<sub>shade, night</sub>. In the model described by the {{Template:Heat DPRA Report}}, cells can be shaded by buildings, terrain and foliage.

	The shade is dependent on the location of the sun. This in turn is dependent on the [[Dates (Heat Overlay)\|date and the time of day]] and the world location of the project.		The shade is dependent on the location of the sun. This in turn is dependent on the [[Dates (Heat Overlay)\|date and the time of day]] and the world location of the project.