Sun altitude (Heat Stress Overlay)

Notes

• 0° altitude means exactly on your local horizon, and 90° is straight up. Hence, directly underfoot is -90° altitude.
• The sun altitude and azimuth are calculated automatically based on the project world location and the date.

See also

• Shade calculation model.
• Temperature formulas.
• Diffusive radiation formula.
• Physiological equivalent temperature (PET) formulas.

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Heat Stress Module

Heat Stress Module

Tutorials

Overview

Theory

Benchmarks

Group

Model attributes

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 • Max trunk distance • Sun altitude • Sun azimuth • Sun daily motion • Wind direction • Wind speed • Wind decline angle

Group

Feature attributes

Building attributes

Bowen ratio • Floor height m • Foliage crown factor • Vegetation fraction

Terrain attributes

Bowen ratio •  Vegetation fraction

Area attributes

Foliage height

Group

Prequels

Prequels

Building elevation • Foliage height • Terrain elevation

Related

Calculation models and formulas • Feature attributes • Model attributes • Result types