USML
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Defines a sequence of values that are tangentially spaced.
de = s * tan( u ) + de0
where: u = uniformly spaced sequence s = spreading factor de = resulting sequence of angles
This spacing organizes the D/E angles of acoustic rays such that they intersect horizontal planes with an even spacing in an isovelocity environment.
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inline |
Construct sequence of tangentially spaced angles using first value, last value, size, and center.
first | Angle at start of sequence (deg). |
last | Angle at end of sequence (deg). |
size | Number of elements in this sequence. |
center | Angle at which rays are densest (deg). |
spread | Spreading factor. |