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Merge pull request #695 from danieledapo/dev

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Fix thicken normal calculation when no override is provided
This commit is contained in:
Roger Maitland 2024-09-19 14:33:21 -04:00 • committed by GitHub
commit debdf845bf
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2 changed files with 13 additions and 2 deletions
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4
src/build123d/operations_part.py
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@ -592,12 +592,12 @@ def thicken(
logger.info("%d face(s) to thicken", len(to_thicken_faces))
for face in to_thicken_faces:
normal_override = (
face_normal = (
normal_override if normal_override is not None else face.normal_at()
)
for direction in [1, -1] if both else [1]:
new_solids.append(
face.thicken(depth=amount, normal_override=normal_override * direction)
face.thicken(depth=amount, normal_override=face_normal * direction)
)
if context is not None:

11
tests/test_build_part.py
View file

@ -475,6 +475,17 @@ class TestThicken(unittest.TestCase):
outer_sphere = thicken(non_planar, amount=0.1)
self.assertAlmostEqual(outer_sphere.volume, (4 / 3) * pi * (1.1**3 - 1**3), 5)
wire = JernArc((0, 0), (-1, 0), 1, 180).edge().reversed() + JernArc(
(0, 0), (1, 0), 2, -90
)
part = thicken(sweep((wire ^ 0) * RadiusArc((0, 0), (0, -1), 1), wire), 0.4)
self.assertAlmostEqual(part.volume, 2.241583787221904, 5)
part = thicken(
sweep((wire ^ 0) * RadiusArc((0, 0), (0, -1), 1), wire), 0.4, both=True
)
self.assertAlmostEqual(part.volume, 4.711747154435256, 5)
class TestTorus(unittest.TestCase):
def test_simple_torus(self):