AnglePatch:
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Draw a patch showing the inner angle between two vectors.
Enter a rotation axis if the angle may be more than 180 degrees.
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Form:
AnglePatch( v1, v2, z, c, f )
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Inputs
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v1 (3,1) First vector
v2 (3,1) Second vector
z (3,1) Rotation axis, optional
c (:) Color code, 'g', 'r', etc
f (1,1) Saturation, between 0 and 1
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Outputs
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none
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Children:
Common: Math/Cross
Common: Math/Dot
Common: Math/Mag
Common: Math/Unit