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Added arcToHelix.

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This commit is contained in:
Markus Lampert
2016-12-05 04:30:49 -08:00
parent 2f7be4f1c8
commit 64d5927402
3 changed files with 111 additions and 9 deletions
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27
src/Mod/Path/PathTests/TestPathGeom.py
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@@ -145,3 +145,30 @@ class TestPathGeom(PathTestBase):
self.assertEqual(len(wires[1].Edges), 1)
self.assertLine(wires[1].Edges[0], Vector(0,1,0), Vector(0,0,0))
def test60(self):
"""Verify arcToHelix returns proper helix."""
p1 = Vector(10,-10,0)
p2 = Vector(0,0,0)
p3 = Vector(10,10,0)
e = PathGeom.arcToHelix(Part.Edge(Part.Arc(p1, p2, p3)), 0, 2)
self.assertCurve(e, p1, p2 + Vector(0,0,1), p3 + Vector(0,0,2))
e = PathGeom.arcToHelix(Part.Edge(Part.Arc(p1, p2, p3)), 3, 7)
self.assertCurve(e, p1 + Vector(0,0,3), p2 + Vector(0,0,5), p3 + Vector(0,0,7))
e = PathGeom.arcToHelix(Part.Edge(Part.Arc(p1, p2, p3)), 9, 1)
self.assertCurve(e, p1 + Vector(0,0,9), p2 + Vector(0,0,5), p3 + Vector(0,0,1))
dz = Vector(0,0,3)
p11 = p1 + dz
p12 = p2 + dz
p13 = p3 + dz
e = PathGeom.arcToHelix(Part.Edge(Part.Arc(p11, p12, p13)), 0, 8)
self.assertCurve(e, p1, p2 + Vector(0,0,4), p3 + Vector(0,0,8))
e = PathGeom.arcToHelix(Part.Edge(Part.Arc(p11, p12, p13)), 2, -2)
self.assertCurve(e, p1 + Vector(0,0,2), p2, p3 + Vector(0,0,-2))