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PAL8293: Build face from a wire problem. Fix provided by PKV.

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This commit is contained in:
jfa 2005-11-18 11:57:23 +00:00
parent be85b301ab
commit ccbdd44178
1 changed files with 54 additions and 1 deletions
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55
src/GEOMImpl/GEOMImpl_Block6Explorer.cxx
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@ -8,9 +8,13 @@
#include <BRep_Tool.hxx> #include <BRep_Tool.hxx>
#include <BRep_TFace.hxx> #include <BRep_TFace.hxx>
#include <BRep_Builder.hxx>
#include <BRepLib.hxx>
#include <BRepLib_FindSurface.hxx>
#include <BRepTools.hxx> #include <BRepTools.hxx>
#include <BRepTools_WireExplorer.hxx> #include <BRepTools_WireExplorer.hxx>
#include <BRepOffsetAPI_ThruSections.hxx> #include <BRepOffsetAPI_ThruSections.hxx>
#include <BRepBuilderAPI_Copy.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx> #include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeWire.hxx> #include <BRepBuilderAPI_MakeWire.hxx>
#include <BRepBuilderAPI_MakeFace.hxx> #include <BRepBuilderAPI_MakeFace.hxx>
@ -1164,8 +1168,8 @@ void GEOMImpl_Block6Explorer::MakeFace (const TopoDS_Wire& theWire,
return; return;
} }
// try to construct filling surface
if (!isPlanarWanted) { if (!isPlanarWanted) {
// try to construct filling surface
BRepOffsetAPI_MakeFilling MF; BRepOffsetAPI_MakeFilling MF;
Standard_Integer nbEdges = 0; Standard_Integer nbEdges = 0;
@ -1211,5 +1215,54 @@ void GEOMImpl_Block6Explorer::MakeFace (const TopoDS_Wire& theWire,
} }
theResult = aFace; theResult = aFace;
} }
} else {
// try to update wire tolerances to build a planar face
// With OCCT6.0 or lower
// Find a deviation
Standard_Real aToleranceReached, aTol;
BRepLib_FindSurface aFS;
aFS.Init(theWire, -1., isPlanarWanted);
aToleranceReached = aFS.ToleranceReached();
aTol = aFS.Tolerance();
if (!aFS.Found()) {
aFS.Init(theWire, aToleranceReached, isPlanarWanted);
if (!aFS.Found()) return;
aToleranceReached = aFS.ToleranceReached();
aTol = aFS.Tolerance();
}
aTol = Max(1.2 * aToleranceReached, aTol);
// Copy the wire, bacause it can be updated with very-very big tolerance here
BRepBuilderAPI_Copy aMC (theWire);
if (!aMC.IsDone()) return;
TopoDS_Wire aWire = TopoDS::Wire(aMC.Shape());
// Update tolerances to <aTol>
BRep_Builder B;
for (TopExp_Explorer expE (aWire, TopAbs_EDGE); expE.More(); expE.Next()) {
TopoDS_Edge anE = TopoDS::Edge(expE.Current());
B.UpdateEdge(anE, aTol);
}
for (TopExp_Explorer expV (aWire, TopAbs_VERTEX); expV.More(); expV.Next()) {
TopoDS_Vertex aV = TopoDS::Vertex(expV.Current());
B.UpdateVertex(aV, aTol);
}
//BRepLib::UpdateTolerances(aWire);
// Build face
BRepBuilderAPI_MakeFace MK1 (aWire, isPlanarWanted);
if (MK1.IsDone()) {
theResult = MK1.Shape();
return;
}
// After migration on OCCT version higher than 6.0
//BRepLib_MakeFace aBMF;
//aBMF.Init(theWire, isPlanarWanted, Standard_True);
//if (aBMF.Error() == BRepLib_FaceDone) {
// theResult = aBMF.Shape();
// return;
//}
} }
} }