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Modeling: add an angle threshold that affects vertex dissolve

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When dissolving an edge merges faces, use an angle threshold before
dissolving vertices from the face which have become chains as reult
of the merge (connected to 2 edges).

Also fix edge-flag handling when dissolving multiple edges
from a chain into a single edge, previously flags from the
resulting edge was effectively random.
Now flags from all edges are merged.

Resolves #100184.

Ref !134017
This commit is contained in:
Jason C. Wenger
2025-06-05 05:33:49 +00:00
committed by Campbell Barton
parent 6fbef14f4b
commit e418f7b1f1
6 changed files with 240 additions and 27 deletions
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17
tests/python/operators.py
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@@ -112,8 +112,21 @@ def main():
),
SpecMeshTest(
"CylinderDissolveEdges.UseVertsTrue", "testCylinderDissolveEdges", "expectedCylinderDissolveEdges.DissolveAllVerts",
[OperatorSpecEditMode("dissolve_edges", {"use_verts": True}, "EDGE", {0, 5, 6, 9})],
"CylinderDissolveEdges.AngleThrehsoldNoDissolve", "testCylinderDissolveEdges", "expectedCylinderDissolveEdges.DissolveNoVerts",
[OperatorSpecEditMode("dissolve_edges", {"use_verts": True,
"angle_threshold": 0}, "EDGE", {0, 5, 6, 9})],
),
SpecMeshTest(
"CylinderDissolveEdges.AngleThresholdSomeDissolve", "testCylinderDissolveEdges", "expectedCylinderDissolveEdges.DissolveThresh.218166",
[OperatorSpecEditMode("dissolve_edges", {"use_verts": True,
"angle_threshold": 0.218166}, "EDGE", {0, 5, 6, 9})],
),
SpecMeshTest(
"CylinderDissolveEdges.AngleThresholdAllDissolve", "testCylinderDissolveEdges", "expectedCylinderDissolveEdges.DissolveAllVerts",
[OperatorSpecEditMode("dissolve_edges", {"use_verts": True,
"angle_threshold": 3.14159}, "EDGE", {0, 5, 6, 9})],
),
# dissolve faces