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0031865: Mesh - triangulation fails with large deflection values due to unhandled Standard_OutOfRange, BRepMesh_PairOfIndex::Append()

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Define minimum number of points for specific types of curves like it was done for circular edges.
This commit is contained in:
oan
2022-11-21 20:04:09 +03:00
committed by smoskvin
parent 1e96cf65fa
commit 9b7f1aea28
18 changed files with 50 additions and 18 deletions
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16
src/BRepMesh/BRepMesh_CurveTessellator.cxx
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@@ -101,9 +101,21 @@ void BRepMesh_CurveTessellator::init()
myEdgeSqTol = BRep_Tool::Tolerance (myEdge);
myEdgeSqTol *= myEdgeSqTol;
const Standard_Integer aMinPntNb = Max(myMinPointsNb,
(myCurve.GetType() == GeomAbs_Circle) ? 4 : 2); //OCC287
Standard_Integer aMinPntThreshold = 2;
switch (myCurve.GetType())
{
case GeomAbs_Circle:
case GeomAbs_Ellipse:
case GeomAbs_Parabola:
case GeomAbs_Hyperbola:
aMinPntThreshold = 4;
break;
default:
break;
}
const Standard_Integer aMinPntNb = Max (myMinPointsNb, aMinPntThreshold); //OCC287
myDiscretTool.Initialize (myCurve,
myCurve.FirstParameter(), myCurve.LastParameter(),
aPreciseAngDef, aPreciseLinDef, aMinPntNb,