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0025352: Analytical calculation of fillets 2d: an improvement of precision

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Already calculated points of the fillet are used instead of getting of the points on curve by a parameter.
This commit is contained in:
vro 2014-10-10 15:32:06 +04:00 committed by bugmaster
parent 903f7584b8
commit ac730776d8
1 changed files with 26 additions and 17 deletions
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41
src/ChFi2d/ChFi2d_AnaFilletAlgo.cxx
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@ -398,47 +398,56 @@ Standard_Boolean ChFi2d_AnaFilletAlgo::Perform(const Standard_Real radius)
// Limit the neighbours. // Limit the neighbours.
// Left neighbour. // Left neighbour.
gp_Pnt p1, p2;
shrinke1.Nullify(); shrinke1.Nullify();
if (e1.Orientation() == TopAbs_FORWARD)
{
p1 = AC1.Value(AC1.FirstParameter());
p2 = pstart;
}
else
{
p1 = pstart;
p2 = AC1.Value(AC1.LastParameter());
}
if (segment1) if (segment1)
{ {
BRepBuilderAPI_MakeEdge mkSegment1; BRepBuilderAPI_MakeEdge mkSegment1;
if (e1.Orientation() == TopAbs_FORWARD) mkSegment1.Init(AC1.Curve().Curve(), p1, p2);
mkSegment1.Init(AC1.Curve().Curve(), AC1.FirstParameter(), AC1.LastParameter() - start);
else
mkSegment1.Init(AC1.Curve().Curve(), AC1.FirstParameter() + start, AC1.LastParameter());
if (mkSegment1.IsDone()) if (mkSegment1.IsDone())
shrinke1 = mkSegment1.Edge(); shrinke1 = mkSegment1.Edge();
} }
else else
{ {
BRepBuilderAPI_MakeEdge mkCirc1; BRepBuilderAPI_MakeEdge mkCirc1;
if (e1.Orientation() == TopAbs_FORWARD) mkCirc1.Init(AC1.Curve().Curve(), p1, p2);
mkCirc1.Init(AC1.Curve().Curve(), AC1.FirstParameter(), AC1.LastParameter() - start);
else
mkCirc1.Init(AC1.Curve().Curve(), AC1.FirstParameter() + start, AC1.LastParameter());
if (mkCirc1.IsDone()) if (mkCirc1.IsDone())
shrinke1 = mkCirc1.Edge(); shrinke1 = mkCirc1.Edge();
} }
// Right neighbour. // Right neighbour.
shrinke2.Nullify(); shrinke2.Nullify();
if (e1.Orientation() == TopAbs_FORWARD)
{
p1 = pend;
p2 = AC2.Value(AC2.LastParameter());
}
else
{
p1 = AC2.Value(AC2.FirstParameter());
p2 = pend;
}
if (segment2) if (segment2)
{ {
BRepBuilderAPI_MakeEdge mkSegment2; BRepBuilderAPI_MakeEdge mkSegment2;
if (e2.Orientation() == TopAbs_FORWARD) mkSegment2.Init(AC2.Curve().Curve(), p1, p2);
mkSegment2.Init(AC2.Curve().Curve(), AC2.FirstParameter() + end, AC2.LastParameter());
else
mkSegment2.Init(AC2.Curve().Curve(), AC2.FirstParameter(), AC2.LastParameter() - end);
if (mkSegment2.IsDone()) if (mkSegment2.IsDone())
shrinke2 = mkSegment2.Edge(); shrinke2 = mkSegment2.Edge();
} }
else else
{ {
BRepBuilderAPI_MakeEdge mkCirc2; BRepBuilderAPI_MakeEdge mkCirc2;
if (e2.Orientation() == TopAbs_FORWARD) mkCirc2.Init(AC2.Curve().Curve(), p1, p2);
mkCirc2.Init(AC2.Curve().Curve(), AC2.FirstParameter() + end, AC2.LastParameter());
else
mkCirc2.Init(AC2.Curve().Curve(), AC2.FirstParameter(), AC2.LastParameter() - end);
if (mkCirc2.IsDone()) if (mkCirc2.IsDone())
shrinke2 = mkCirc2.Edge(); shrinke2 = mkCirc2.Edge();
} }