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new options of pipe construction

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jgv 2013-04-09 10:17:10 +00:00
parent 3a8ba583ab
commit 5fcda672da
1 changed files with 58 additions and 1 deletions
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59
src/GEOMImpl/GEOMImpl_PipeDriver.cxx
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@ -48,6 +48,8 @@
#include <BRepBuilderAPI_Sewing.hxx>
#include <BRepCheck_Analyzer.hxx>
#include <BRepGProp.hxx>
#include <GeomFill_Trihedron.hxx>
#include <GeomFill_CorrectedFrenet.hxx>
#include <BRepOffsetAPI_MakePipe.hxx>
#include <BRepOffsetAPI_MakePipeShell.hxx>
@ -80,6 +82,7 @@
#include <Geom_Conic.hxx>
#include <Geom_BSplineCurve.hxx>
#include <Geom_BSplineSurface.hxx>
#include <GeomAdaptor_HCurve.hxx>
#include <GeomFill_BSplineCurves.hxx>
#include <GeomConvert_ApproxCurve.hxx>
#include <GeomConvert.hxx>
@ -116,6 +119,39 @@ GEOMImpl_PipeDriver::GEOMImpl_PipeDriver()
{
}
//=======================================================================
//function : EvaluateBestSweepMode
//purpose : auxilary for right call of MakePipe and MakePipeShell
//=======================================================================
static GeomFill_Trihedron EvaluateBestSweepMode(const TopoDS_Shape& Spine)
{
GeomFill_Trihedron theMode = GeomFill_IsFrenet;
TopExp_Explorer Explo(Spine, TopAbs_EDGE);
for (; Explo.More(); Explo.Next())
{
TopoDS_Edge anEdge = TopoDS::Edge(Explo.Current());
Standard_Real fpar, lpar;
Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
GeomAdaptor_Curve GAcurve(aCurve, fpar, lpar);
Handle(GeomAdaptor_HCurve) GAHcurve = new GeomAdaptor_HCurve(GAcurve);
Handle(GeomFill_CorrectedFrenet) aCorrFrenet = new GeomFill_CorrectedFrenet(Standard_True); //for evaluation
aCorrFrenet->SetCurve(GAHcurve);
GeomFill_Trihedron aMode = aCorrFrenet->EvaluateBestMode();
if (aMode == GeomFill_IsDiscreteTrihedron)
{
theMode = aMode;
break;
}
if (aMode == GeomFill_IsCorrectedFrenet)
theMode = aMode;
}
return theMode;
}
//=======================================================================
//function : FillForOtherEdges
//purpose : auxilary for CreatePipeForShellSections()
@ -211,6 +247,9 @@ static bool FillCorrespondingEdges(const TopoDS_Shape& FS1,
TopExp_Explorer expw2(FS2,TopAbs_WIRE);
TopoDS_Wire aWire2 = TopoDS::Wire(expw2.Current());
BRepOffsetAPI_MakePipeShell aBuilder(aWirePath);
GeomFill_Trihedron theBestMode = EvaluateBestSweepMode(aWirePath);
if (theBestMode == GeomFill_IsDiscreteTrihedron)
aBuilder.SetDiscreteMode();
aBuilder.Add(aWire1, aLoc1);
aBuilder.Add(aWire2, aLoc2);
if (!aBuilder.IsReady()) {
@ -875,6 +914,9 @@ TopoDS_Shape GEOMImpl_PipeDriver::CreatePipeWithDifferentSections
num2 = SplitLocNums.Value(nn);
// make pipe
BRepOffsetAPI_MakePipeShell aBuilder(tmpW);
GeomFill_Trihedron theBestMode = EvaluateBestSweepMode(tmpW);
if (theBestMode == GeomFill_IsDiscreteTrihedron)
aBuilder.SetDiscreteMode();
Standard_Integer nbShapes = aTmpSeqBases.Length();
for (i=1; i<=nbShapes; i++) {
TopoDS_Shape aShapeLoc = aTmpSeqLocs.Value(i);
@ -903,6 +945,9 @@ TopoDS_Shape GEOMImpl_PipeDriver::CreatePipeWithDifferentSections
}
// make pipe for last part
BRepOffsetAPI_MakePipeShell aBuilder(tmpW);
GeomFill_Trihedron theBestMode = EvaluateBestSweepMode(tmpW);
if (theBestMode == GeomFill_IsDiscreteTrihedron)
aBuilder.SetDiscreteMode();
Standard_Integer nbShapes = aTmpSeqBases.Length();
for (i=1; i<=nbShapes; i++) {
TopoDS_Shape aShapeLoc = aTmpSeqLocs.Value(i);
@ -930,6 +975,9 @@ TopoDS_Shape GEOMImpl_PipeDriver::CreatePipeWithDifferentSections
else {
// old implementation without splitting
BRepOffsetAPI_MakePipeShell aBuilder(aWirePath);
GeomFill_Trihedron theBestMode = EvaluateBestSweepMode(aWirePath);
if (theBestMode == GeomFill_IsDiscreteTrihedron)
aBuilder.SetDiscreteMode();
Standard_Integer nbShapes = aSeqBases.Length();
Standard_Integer step = nbShapes/nbBases;
@ -1443,6 +1491,9 @@ static TopoDS_Shape CreatePipeForShellSections(const TopoDS_Wire& aWirePath,
if (!aWire1.IsNull() && !aWire2.IsNull()) {
//BRepOffsetAPI_MakePipeShell aBuilder(aWirePath);
BRepOffsetAPI_MakePipeShell aBuilder(WPath);
GeomFill_Trihedron theBestMode = EvaluateBestSweepMode(WPath);
if (theBestMode == GeomFill_IsDiscreteTrihedron)
aBuilder.SetDiscreteMode();
aBuilder.Add(aWire1, TopoDS::Vertex(VLocs(i)),
aWithContact, aWithCorrect);
aBuilder.Add(aWire2, TopoDS::Vertex(VLocs(i+1)),
@ -1678,6 +1729,9 @@ static TopoDS_Shape CreatePipeForShellSections(const TopoDS_Wire& aWirePath,
// make pipe using aWire1 and aWire2
if (!aWire1.IsNull() && !aWire2.IsNull()) {
BRepOffsetAPI_MakePipeShell aBuilder(WPath);
GeomFill_Trihedron theBestMode = EvaluateBestSweepMode(WPath);
if (theBestMode == GeomFill_IsDiscreteTrihedron)
aBuilder.SetDiscreteMode();
aBuilder.Add(aWire1, TopoDS::Vertex(VLocs(i)),
aWithContact, aWithCorrect);
aBuilder.Add(aWire2, TopoDS::Vertex(VLocs(i+1)),
@ -2392,7 +2446,10 @@ Standard_Integer GEOMImpl_PipeDriver::Execute (TFunction_Logbook& log) const
}
else
aShape = BRepOffsetAPI_MakePipe(aWirePath, aShapeBase);
{
GeomFill_Trihedron theBestMode = EvaluateBestSweepMode(aWirePath);
aShape = BRepOffsetAPI_MakePipe(aWirePath, aShapeBase, theBestMode);
}
}
//building pipe with different sections