Feature attributes (Heat Overlay): Difference between revisions

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Several geopgraphical features can have  [[attribute]]s which can contribute to the calculations the [[Heat Overlay]]. These attributes are stored as part of the features, and are then [[rasterized]] and used on a [[grid cell]] level.


==Construction attributes==
==Construction attributes==
Each [[construction]] may also have [[attribute]]s which can contribute to the calculations the [[Heat Overlay]]. These attributes are stored and used on a [[grid cell]] level.


These attributes can be changed individually per construction or per construction's [[function]]. In most cases, these attributes already exist as a [[function value]].
[[Construction]] attributes can be changed individually per construction or per construction's [[function]]. In most cases, these attributes already exist as a [[function value]].


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Revision as of 07:51, 14 February 2020

This article is a stub.

Several geopgraphical features can have attributes which can contribute to the calculations the Heat Overlay. These attributes are stored as part of the features, and are then rasterized and used on a grid cell level.

Construction attributes

Construction attributes can be changed individually per construction or per construction's function. In most cases, these attributes already exist as a function value.

Icon Attribute Unit Function value Description
BOWEN_RATIO ratio Bowen ratio Describes the rate of heat transfer for a surface that has moisture as a factor.
FOLIAGE_CROWN_FACTOR ratio Foliage crown factor The ratio between the height of tree trunks and the radius of the foliage of the tree.
GREEN_M2 m²/m² Green space The amount of the surface which is considered vegetation.

Terrain attributes

Attribute Unit Terrain type Description
VEGETATION_FRACTION m²/m² Surface The amount of the surface which is considered vegetation.

Area attributes

Attribute Unit Description
FOLIAGE_HEIGHT m The top height of foliage for a surface geometry described by an Area.
Heat Module
Benchmarks button.png
Heat introduction button.png
Heat Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
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Benchmarks
Group
Building attributes
Bowen ratio • Foliage crown factor • Vegetation fraction
Terrain attributes
Vegetation fraction
Area attributes
Foliage height
Related
Calculation models and formulas • Feature attributes • Model attributes • Result types


Benchmarks button.png
Heat introduction button.png
Heat Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
Benchmarks
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