direction angle

direction angle

One of three angles specifying the direction of a line with respect to the three axes of a Cartesian coordinate system in 3 space by specifying the angle between that line and each of the three axes. The three angles are not completely independent, but unless the quadrant in which the line lies is known, three angles must be given to avoid ambiguity.

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Industry/Domain: Earth science
Category: Mapping science
Company: American Congress on Surveying & Mapping
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