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Action:
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Returns the angle between edges. Returns a list of angles if a non-branched wire-body is submitted.
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Filename:
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kern/kern_scm/find_scm.cxx
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APIs:
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api_get_edges
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Syntax:
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(find:angle input1 [input2] [logical])
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Arg Types:
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input1
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vertex | edge | wire-body
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input2
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edge
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logical
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real
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Returns:
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real | (real ...)
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input1 specifies a vertex, edge or a wire-body. A vertex as
input1 computes the angles between the two edges around the vertex. If
input1 is a closed edge, the angle between the start and end is returned. If
input1 is a non-branched, wire-body, a list of angles between each of the edges of the wire-body is returned.
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input2 specifies an edge.
input2 must be supplied if
input1 is an open edge. The angle between these two edges is returned.
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A
logical of false (#f) returns the results in radians, the default is degrees.
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Limitations:
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Success is not guaranteed for branched wire-bodies, edges that do not share a vertex, and vertices with more than two edges.
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Example:
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; find:angle
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; Create an entity
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(define p1 (wire-body:polygon
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(position 0 0 0) (gvector 0 1 0)
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(gvector 0 0 1) 5))
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;; p1
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(define p2 (wire-body:polygon
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(position 0 2 0) (gvector 0 -1 0)
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(gvector 0 0 1) 5))
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;; p2
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(define unite (bool:unite p1 p2))
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;; unite
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(zoom-all)
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;; #[view 25363466]
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(define v (list-ref (entity:vertices p1)3))
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;; v
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(entity:set-color v 1)
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;; ()
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(find:angle v)
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;; 108.0
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