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EA:  OBJECT_TRANSMITTANCE_FRACTION

Status: STD 2005/06/07
Code: 900

Concept definition: From a <LOCATION> of maximum visibility through an <OBJECT> (for example: a <FENCE> and/or a <TREE_LINE>), the ratio of the number of geometric rays from that <LOCATION> that are within the <REGION> delineated by an <OBJECT> but do not intersect that <OBJECT> to the total number of geometric rays from that <LOCATION> that are within that same <REGION>; object transmittance fraction.
 
Attribute value type: REAL
Unit equivalence class label: PURE_NUMBER
 
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