deg2rad

Functions for calculating: (1) shadow height, (2) logical shadow flag, (3) shadow footprint, (4) Sky View Factor and (5) radiation load. Basic required inputs include a polygonal layer of obstacle outlines along with their heights (i.e. "extruded polygons"), sun azimuth and sun elevation. The package also provides functions for related preliminary calculations: breaking polygons into line segments, determining azimuth of line segments, shifting segments by azimuth and distance, constructing the footprint of a line-of-sight between an observer and the sun, and creating a 3D grid covering the surface area of extruded polygons.

Michael Dorman

shadow

Geometric Shadow Calculations

Evyatar Erell

Itai Kloog

Adi Vulkan

Roger Bivand

deg2rad function

Degrees to radians — deg2rad

Degrees to radians

deg2rad: Degrees to radians

Description

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Examples