Sun daily motion (Heat Stress Overlay)

Icon	Attribute	Unit	Range	Description	Default value
	SUN_DAILY_MOTION	factor		A factor to account for the sun moving across the sky throughout the day.	0.11

This correction factor is used to adjust the calculated Urban Heat Island value when determining the Atmospheric Temperature.

Notes

• The sun daily motion factor is currently selected automatically from the sun motion table defined in DPRA Heat stress report.

See also

• Temperature atmosphere result type (Heat Stress Overlay)
• Uhi result type (Heat Stress Overlay)
• Atmospheric temperature formula
• Sun motion table (Heat Stress Overlay)

API Endpoints

• Api session event editor overlay set attribute

---

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 • Sun altitude • Sun azimuth • Sun daily motion • Wind direction • Wind speed • Wind decline angle

Group

Feature attributes

Building attributes

Bowen ratio • Foliage height • 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