NASA NTRS · 19880029896
A simplified derivation of leaf normal spherical coordinates
Abstract
The paper presents formulas for the direction in spherical coordinates of the normal vector to a planar leaf in terms of the coordinates of incident and reflected rays. A simple idea from vector analysis is applied. These formulas are important in plant canopy modeling and experimental data collection in situations where specular reflection at optical wavelengths plays a part.
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Card, Don H.. 1987-11-01. A simplified derivation of leaf normal spherical coordinates. https://ntrs.nasa.gov/citations/19880029896
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