Building elevation prequel (Shadow Overlay)

Name	Prequel	Underlying data	Unit	Range	No data	Description
Building elevation	BUILDING_ELEVATION	Shadow Prequel	m (datum)	-10000 to 10000	Clamped to range	Used for initializing the digital surface model used for this Shadow Overlay.

Notes

• Values in this prequel grid are clamped between the specified minimum and maximum; no-data values are prohibited. Use an Average Overlay to fill NO_DATA values in another grid overlay.
• The building elevation is interpreted as datum heights.

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Shadow Overlay

Model attributes

Dates • Max foliage radius • Max shadow distance • Sun altitude • Sun azimuth

Shadow features

Foliage Area • Foliage crown factor • Foliage height

Prequels

Building elevation • Foliage height • Terrain elevation

Calculation models

Foliage height • Shade

Result types

Shade • Foliage