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EA:  INCIDENCE_ZENITH_ANGLE_LOCAL

Status: STD 2005/06/07
Code: 500

Concept definition: The angle at a <LOCATION> on a <SURFACE> between the vectors A and B, where A is the surface normal vector and B is the <DIRECTION> from which the source light is incident on that point (the negative of the Poynting vector); incidence zenith angle local. The positive sense is clockwise when looking in the <DIRECTION> of the cross product AxB.
 
Attribute value type: REAL
Unit equivalence class label: PLANE_ANGLE
 
Reference type: IR
Reference: [TRHT]
Supplemental references:  

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