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occt/src/StepToTopoDS/StepToTopoDS_Builder.cxx

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// File: StepToTopoDS_Builder.cxx
// Created: Tue Jan 3 11:26:22 1995
// Author: Frederic MAUPAS
// <fma@stylox>
//:i6 abv 17 Sep 98: ProSTEP TR9 r0601-ct.stp: to be able read GeometricSet
//gka 11.01.99 file PRO7755.stp #2018: work-around error in BRepLib_MakeFace
//:n4 abv 12.02.99: S4132: treatment of GEOMETRIC_SETs implemented
//:o7 abv 18.02.99: bm1_sy_fuel.stp #1427(items 1,2) protection against null entity
//abv,gka 05.04.99 S4136: parameter names changed; avoid extra call to FixSameParameter
#include <stdio.h>
#include <StepToTopoDS_Builder.ixx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
#include <Interface_Static.hxx>
#include <TransferBRep.hxx>
#include <StepToTopoDS_Tool.hxx>
#include <StepToTopoDS_DataMapOfTRI.hxx>
#include <StepToTopoDS_TranslateShell.hxx>
#include <StepToTopoDS_TranslateCompositeCurve.hxx>
#include <StepToTopoDS_TranslateCurveBoundedSurface.hxx>
//#include <StepShape_VertexShell.hxx>
#include <StepShape_Shell.hxx>
#include <StepShape_OpenShell.hxx>
#include <StepShape_OrientedClosedShell.hxx> //:e0
#include <StepGeom_Surface.hxx>
#include <StepGeom_Curve.hxx>
#include <StepGeom_CartesianPoint.hxx>
#include <StepGeom_CompositeCurve.hxx>
#include <StepGeom_RectangularCompositeSurface.hxx>
#include <StepGeom_SurfacePatch.hxx>
#include <StepShape_GeometricSetSelect.hxx>
#include <StepToGeom_MakeCurve.hxx>
#include <StepToGeom_MakeCartesianPoint.hxx>
#include <StepToGeom_MakeSurface.hxx>
#include <Geom_Surface.hxx>
#include <Geom_BoundedSurface.hxx>
#include <Geom_Curve.hxx>
#include <Geom_CartesianPoint.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeVertex.hxx>
#include <BRepLib.hxx>
#include <BRep_Builder.hxx>
#include <Precision.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Solid.hxx>
#include <TopoDS_Compound.hxx>
#include <ShapeFix_ShapeTolerance.hxx>
#include <StepShape_ConnectedEdgeSet.hxx>
#include <StepShape_EdgeBasedWireframeModel.hxx>
#include <StepShape_HArray1OfConnectedEdgeSet.hxx>
#include <StepToTopoDS_TranslateEdge.hxx>
#include <StepShape_HArray1OfEdge.hxx>
#include <TopoDS.hxx>
#include <StepShape_HArray1OfConnectedFaceSet.hxx>
#include <StepToTopoDS_TranslateFace.hxx>
#include <StepShape_HArray1OfFace.hxx>
#include <Message_ProgressSentry.hxx>
#include <Message_Messenger.hxx>
static void ResetPreci (const TopoDS_Shape& S, Standard_Real maxtol)
{
//:S4136
Standard_Integer modetol = Interface_Static::IVal("read.maxprecision.mode");
if (modetol) {
ShapeFix_ShapeTolerance STU;
STU.LimitTolerance (S,Precision::Confusion(),maxtol);
}
// Standard_Real ratio = Interface_Static::RVal("XSTEP.readprecision.ratio");
// if (ratio >= 1) {
// Standard_Real lastpre = Interface_Static::RVal("lastpreci");
// ShapeFix_ShapeTolerance STU;
// STU.LimitTolerance (S,lastpre/ratio,lastpre*ratio);
// }
}
// ============================================================================
// Method : StepToTopoDS_Builder::StepToTopoDS_Builder
// Purpose : Empty constructor
// ============================================================================
StepToTopoDS_Builder::StepToTopoDS_Builder()
{
done = Standard_False;
}
// ============================================================================
// Method : StepToTopoDS_Builder::StepToTopoDS_Builder
// Purpose : Constructor with a ManifoldSolidBrep
// ============================================================================
StepToTopoDS_Builder::StepToTopoDS_Builder
(const Handle(StepShape_ManifoldSolidBrep)& aManifoldSolid,
const Handle(Transfer_TransientProcess)& TP)
{
Init(aManifoldSolid, TP);
}
// ============================================================================
// Method : StepToTopoDS_Builder::StepToTopoDS_Builder
// Purpose : Constructor woth a BrepWithVoids
// ============================================================================
StepToTopoDS_Builder::StepToTopoDS_Builder
(const Handle(StepShape_BrepWithVoids)& aBRepWithVoids,
const Handle(Transfer_TransientProcess)& TP)
{
Init(aBRepWithVoids, TP);
}
// ============================================================================
// Method : StepToTopoDS_Builder::StepToTopoDS_Builder
// Purpose : Constructor with a FacetedBrep
// ============================================================================
StepToTopoDS_Builder::StepToTopoDS_Builder
(const Handle(StepShape_FacetedBrep)& aFB,
const Handle(Transfer_TransientProcess)& TP)
{
Init(aFB, TP);
}
// ============================================================================
// Method : StepToTopoDS_Builder::StepToTopoDS_Builder
// Purpose : Constructor with a FacetedBrepAndBrepWithVoids
// ============================================================================
StepToTopoDS_Builder::StepToTopoDS_Builder
(const Handle(StepShape_FacetedBrepAndBrepWithVoids)& aFBABWV,
const Handle(Transfer_TransientProcess)& TP)
{
Init(aFBABWV, TP);
}
// ============================================================================
// Method : StepToTopoDS_Builder::StepToTopoDS_Builder
// Purpose : Constructor with a ShellBasedSurfaceModel
// ============================================================================
StepToTopoDS_Builder::StepToTopoDS_Builder
(const Handle(StepShape_ShellBasedSurfaceModel)& aSBSM,
const Handle(Transfer_TransientProcess)& TP,
StepToTopoDS_NMTool& NMTool)
{
Init(aSBSM, TP, NMTool);
}
// ============================================================================
// Method : Init
// Purpose : Init with a ManifoldSolidBrep
// ============================================================================
void StepToTopoDS_Builder::Init
(const Handle(StepShape_ManifoldSolidBrep)& aManifoldSolid,
const Handle(Transfer_TransientProcess)& TP)
{
Handle(Message_Messenger) sout = TP->Messenger();
// Initialisation of the Tool
StepToTopoDS_Tool myTool;
StepToTopoDS_DataMapOfTRI aMap;
myTool.Init(aMap, TP);
// Start Mapping
Handle(StepShape_ClosedShell) aCShell;
aCShell = aManifoldSolid->Outer();
StepToTopoDS_TranslateShell myTranShell;
myTranShell.SetPrecision(Precision());
myTranShell.SetMaxTol(MaxTol());
// Non-manifold topology is not referenced by ManifoldSolidBrep (ssv; 14.11.2010)
StepToTopoDS_NMTool dummyNMTool;
myTranShell.Init(aCShell, myTool, dummyNMTool);
if (myTranShell.IsDone()) {
TopoDS_Shape Sh = myTranShell.Value();
Sh.Closed(Standard_True);
//BRepLib::SameParameter(Sh);
TopoDS_Solid S;
BRep_Builder B;
B.MakeSolid(S);
B.Add(S,Sh);
myResult = S;
myError = StepToTopoDS_BuilderDone;
done = Standard_True;
// Get Statistics :
if ( TP->TraceLevel() > 2 )
{
sout << "Geometric Statitics : " << endl;
sout << " Surface Continuity : - C0 : " << myTool.C0Surf() << endl;
sout << " - C1 : " << myTool.C1Surf() << endl;
sout << " - C2 : " << myTool.C2Surf() << endl;
sout << " Curve Continuity : - C0 : " << myTool.C0Cur3() << endl;
sout << " - C1 : " << myTool.C1Cur3() << endl;
sout << " - C2 : " << myTool.C2Cur3() << endl;
sout << " PCurve Continuity : - C0 : " << myTool.C0Cur2() << endl;
sout << " - C1 : " << myTool.C1Cur2() << endl;
sout << " - C2 : " << myTool.C2Cur2() << endl;
}
//:S4136 ShapeFix::SameParameter (S,Standard_False);
ResetPreci (S, MaxTol());
}
else {
TP->AddWarning(aCShell," OuterShell from ManifoldSolidBrep not mapped to TopoDS");
myError = StepToTopoDS_BuilderOther;
done = Standard_False;
}
}
// ============================================================================
// Method : Init
// Purpose : Init with a BrepWithVoids
// ============================================================================
void StepToTopoDS_Builder::Init
(const Handle(StepShape_BrepWithVoids)& aBRepWithVoids,
const Handle(Transfer_TransientProcess)& TP)
{
Handle(Message_Messenger) sout = TP->Messenger();
// Initialisation of the Tool
StepToTopoDS_Tool myTool;
StepToTopoDS_DataMapOfTRI aMap;
myTool.Init(aMap, TP);
// Start Mapping
Standard_Integer Nb = aBRepWithVoids->NbVoids();
Handle(StepShape_ClosedShell) aCShell;
TopoDS_Solid S;
TopoDS_Shape Sh;
BRep_Builder B;
B.MakeSolid(S);
Message_ProgressSentry PS ( TP->GetProgress(), "Shell", 0, Nb+1, 1 );
StepToTopoDS_TranslateShell myTranShell;
myTranShell.SetPrecision(Precision());//gka
myTranShell.SetMaxTol(MaxTol());
// OuterBound
aCShell = aBRepWithVoids->Outer();
// Non-manifold topology is not referenced by BrepWithVoids (ssv; 14.11.2010)
StepToTopoDS_NMTool dummyNMTool;
myTranShell.Init(aCShell, myTool, dummyNMTool);
PS.Next();
if (myTranShell.IsDone()) {
Sh = myTranShell.Value();
Sh.Closed(Standard_True);
//BRepLib::SameParameter(Sh);
B.MakeSolid(S);
B.Add(S,Sh);
myResult = S;
myError = StepToTopoDS_BuilderDone;
done = Standard_True;
}
else {
TP->AddWarning(aCShell," OuterShell from BrepWithVoids not mapped to TopoDS");
myError = StepToTopoDS_BuilderOther;
done = Standard_False;
return;
}
// Voids
for (Standard_Integer i=1; i<=Nb && PS.More(); i++, PS.Next()) {
aCShell = aBRepWithVoids->VoidsValue(i);
myTranShell.Init(aCShell, myTool, dummyNMTool);
if (myTranShell.IsDone()) {
Sh = myTranShell.Value();
Sh.Closed(Standard_True);
//:e0 abv 25 Mar 98: void should be an OrientedShell
Handle(StepShape_OrientedClosedShell) aOCShell = aBRepWithVoids->VoidsValue(i);
if ( ! aOCShell.IsNull() && ! aOCShell->Orientation() ) Sh.Reverse();
//BRepLib::SameParameter(Sh);
B.Add(S,Sh);
}
else {
TP->AddWarning
(aCShell," A Void from BrepWithVoids not mapped to TopoDS");
}
}
myResult = S;
// Get Statistics :
if ( TP->TraceLevel() > 2 )
{
sout << "Geometric Statitics : " << endl;
sout << " Surface Continuity : - C0 : " << myTool.C0Surf() << endl;
sout << " - C1 : " << myTool.C1Surf() << endl;
sout << " - C2 : " << myTool.C2Surf() << endl;
sout << " Curve Continuity : - C0 : " << myTool.C0Cur3() << endl;
sout << " - C1 : " << myTool.C1Cur3() << endl;
sout << " - C2 : " << myTool.C2Cur3() << endl;
sout << " PCurve Continuity : - C0 : " << myTool.C0Cur2() << endl;
sout << " - C1 : " << myTool.C1Cur2() << endl;
sout << " - C2 : " << myTool.C2Cur2() << endl;
}
//:S4136 ShapeFix::SameParameter (S,Standard_False);
ResetPreci (S, MaxTol());
}
// ============================================================================
// Method : Init
// Purpose : Init with a FacetedBrep
// ============================================================================
void StepToTopoDS_Builder::Init(const Handle(StepShape_FacetedBrep)& aFB,
const Handle(Transfer_TransientProcess)& TP)
{
// Initialisation of the Tool
StepToTopoDS_Tool myTool;
StepToTopoDS_DataMapOfTRI aMap;
myTool.Init(aMap, TP);
// Start Mapping
Handle(StepShape_ClosedShell) aCShell;
aCShell = aFB->Outer();
TopoDS_Shape Sh;
StepToTopoDS_TranslateShell myTranShell;
myTranShell.SetPrecision(Precision()); //gka
myTranShell.SetMaxTol(MaxTol());
// Non-manifold topology is not referenced by FacetedBrep (ss; 14.11.2010)
StepToTopoDS_NMTool dummyNMTool;
myTranShell.Init(aCShell, myTool, dummyNMTool);
if (myTranShell.IsDone()) {
Sh = myTranShell.Value();
Sh.Closed(Standard_True);
//BRepLib::SameParameter(Sh);
myTool.ClearEdgeMap();
myTool.ClearVertexMap();
TopoDS_Solid S;
BRep_Builder B;
B.MakeSolid(S);
B.Add(S,Sh);
myResult = S;
myError = StepToTopoDS_BuilderDone;
done = Standard_True;
}
else {
TP->AddWarning
(aCShell," OuterShell from FacetedBrep not mapped to TopoDS");
myError = StepToTopoDS_BuilderOther;
done = Standard_True;
}
}
// ============================================================================
// Method : Init
// Purpose : Init with a FacetedBrepAndBrepWithVoids
// ============================================================================
void StepToTopoDS_Builder::Init
(const Handle(StepShape_FacetedBrepAndBrepWithVoids)& aFBABWV,
const Handle(Transfer_TransientProcess)& TP)
{
// Initialisation of the Tool
StepToTopoDS_Tool myTool;
StepToTopoDS_DataMapOfTRI aMap;
myTool.Init(aMap, TP);
// Start Mapping
Handle(StepShape_ClosedShell) aCShell;
aCShell = aFBABWV->Outer();
TopoDS_Shape Sh;
StepToTopoDS_TranslateShell myTranShell;
myTranShell.SetPrecision(Precision()); //gka
myTranShell.SetMaxTol(MaxTol());
// Non-manifold topology is not referenced by FacetedBrepAndBrepWithVoids (ss; 14.11.2010)
StepToTopoDS_NMTool dummyNMTool;
myTranShell.Init(aCShell, myTool, dummyNMTool);
if (myTranShell.IsDone()) {
Sh = myTranShell.Value();
Sh.Closed(Standard_True);
//BRepLib::SameParameter(Sh);
TopoDS_Solid S;
BRep_Builder B;
B.MakeSolid(S);
B.Add(S,Sh);
Standard_Integer Nb, i;
Nb = aFBABWV->NbVoids();
for ( i=1; i<=Nb; i++ ) {
aCShell = aFBABWV->VoidsValue(i);
myTranShell.Init(aCShell, myTool, dummyNMTool);
if (myTranShell.IsDone()) {
Sh = myTranShell.Value();
Sh.Closed(Standard_True);
//BRepLib::SameParameter(Sh);
B.Add(S,Sh);
}
else {
TP->AddWarning
(aCShell," A Void from FacetedBrepAndBrepWithVoids not mapped to TopoDS");
}
}
myResult = S;
myError = StepToTopoDS_BuilderDone;
done = Standard_True;
}
else {
TP->AddWarning
(aCShell," OuterShell from FacetedBrepAndBrepWithVoids not mapped to TopoDS");
done = Standard_False;
myError = StepToTopoDS_BuilderOther;
}
}
// ============================================================================
// Method : Init
// Purpose : Init with a ShellBasedSurfaceModel
// ============================================================================
void StepToTopoDS_Builder::Init
(const Handle(StepShape_ShellBasedSurfaceModel)& aSBSM,
const Handle(Transfer_TransientProcess)& TP,
StepToTopoDS_NMTool& NMTool)
{
Handle(Message_Messenger) sout = TP->Messenger();
// Initialisation of the Tool
StepToTopoDS_Tool myTool;
StepToTopoDS_DataMapOfTRI aMap;
myTool.Init(aMap, TP);
// Start Mapping
Standard_Integer Nb = aSBSM->NbSbsmBoundary();
StepShape_Shell aShell;
//Handle(StepShape_VertexShell) aVertexShell;
Handle(StepShape_OpenShell) aOpenShell;
Handle(StepShape_ClosedShell) aClosedShell;
TopoDS_Compound S;
//TopoDS_Shape Sh;
TopoDS_Shape Shl;
BRep_Builder B;
B.MakeCompound(S);
StepToTopoDS_TranslateShell myTranShell;
myTranShell.SetPrecision(Precision());
myTranShell.SetMaxTol(MaxTol());
Message_ProgressSentry PS ( TP->GetProgress(), "Shell", 0, Nb, 1 );
for (Standard_Integer i=1; i<=Nb && PS.More(); i++, PS.Next()) {
//for (Standard_Integer i=1; i<=Nb; i++) {
aShell = aSBSM->SbsmBoundaryValue(i);
//aVertexShell = aShell.VertexShell();
aOpenShell = aShell.OpenShell();
aClosedShell = aShell.ClosedShell();
//if (!aVertexShell.IsNull()) {
//TP->AddWarning
//(aVertexShell,
//" VertexShell from ShellBasedSurfaceModel not mapped to TopoDS");
//}
//else
if (!aOpenShell.IsNull()) {
myTranShell.Init(aOpenShell, myTool, NMTool);
if (myTranShell.IsDone()) {
//Sh = myTranShell.Value();
//Sh.Closed(Standard_False);
//BRepLib::SameParameter(Sh);
//B.Add(S,Sh);
Shl = TopoDS::Shell(myTranShell.Value());
Shl.Closed(Standard_False);
B.Add(S,Shl);
}
else {
TP->AddWarning
(aOpenShell," OpenShell from ShellBasedSurfaceModel not mapped to TopoDS");
}
}
else if (!aClosedShell.IsNull()) {
myTranShell.Init(aClosedShell, myTool, NMTool);
if (myTranShell.IsDone()) {
//Sh = myTranShell.Value();
//Sh.Closed(Standard_True);
//BRepLib::SameParameter(Sh);
//B.Add(S,Sh);
Shl = TopoDS::Shell(myTranShell.Value());
Shl.Closed(Standard_True);
B.Add(S,Shl);
}
else {
TP->AddWarning
(aClosedShell," ClosedShell from ShellBasedSurfaceModel not mapped to TopoDS");
}
}
}
if(Nb>1)
myResult = S;
else
myResult = Shl;
myError = StepToTopoDS_BuilderDone;
done = Standard_True;
// Get Statistics :
if ( TP->TraceLevel() > 2 )
{
sout << "Geometric Statitics : " << endl;
sout << " Surface Continuity : - C0 : " << myTool.C0Surf() << endl;
sout << " - C1 : " << myTool.C1Surf() << endl;
sout << " - C2 : " << myTool.C2Surf() << endl;
sout << " Curve Continuity : - C0 : " << myTool.C0Cur3() << endl;
sout << " - C1 : " << myTool.C1Cur3() << endl;
sout << " - C2 : " << myTool.C2Cur3() << endl;
sout << " PCurve Continuity : - C0 : " << myTool.C0Cur2() << endl;
sout << " - C1 : " << myTool.C1Cur2() << endl;
sout << " - C2 : " << myTool.C2Cur2() << endl;
}
//:S4136 ShapeFix::SameParameter (S,Standard_False);
ResetPreci (S, MaxTol());
ResetPreci (Shl, MaxTol()); //skl
}
// ============================================================================
// Method : Init
// Purpose : Init with a EdgeBasedWireframeModel
// ============================================================================
void StepToTopoDS_Builder::Init (const Handle(StepShape_EdgeBasedWireframeModel)& aEBWM,
const Handle(Transfer_TransientProcess)& TP)
{
myResult.Nullify();
Handle(StepShape_HArray1OfConnectedEdgeSet) boundary = aEBWM->EbwmBoundary();
if ( boundary.IsNull() || boundary->Length() <1 ) {
TP->AddWarning ( aEBWM, "List of boundaries is empty" );
return;
}
StepToTopoDS_Tool myTool;
StepToTopoDS_DataMapOfTRI aMap;
myTool.Init(aMap, TP);
StepToTopoDS_TranslateEdge myTranEdge;
myTranEdge.SetPrecision(Precision());
myTranEdge.SetMaxTol(MaxTol());
TopoDS_Compound C;
BRep_Builder B;
B.MakeCompound ( C );
StepToTopoDS_NMTool dummyNMTool;
for ( Standard_Integer i=1; i <= boundary->Length(); i++ ) {
Handle(StepShape_ConnectedEdgeSet) ces = boundary->Value(i);
if ( ces.IsNull() ) continue;
Handle(StepShape_HArray1OfEdge) edges = ces->CesEdges();
if ( edges.IsNull() || edges->Length() <1 ) {
TP->AddWarning ( ces, "No edges in connected_edge_set" );
continue;
}
TopoDS_Wire W;
for ( Standard_Integer j=1; j <= edges->Length(); j++ ) {
myTranEdge.Init (edges->Value(j), myTool, dummyNMTool);
if ( ! myTranEdge.IsDone() ) continue;
TopoDS_Edge E = TopoDS::Edge(myTranEdge.Value());
if (E.IsNull()) continue; // NULL, on saute
if ( W.IsNull() ) B.MakeWire ( W );
B.Add ( W, E );
}
if ( W.IsNull() ) continue;
B.Add ( C, W );
if ( myResult.IsNull() ) myResult = W;
else myResult = C;
}
myError = ( myResult.IsNull() ? StepToTopoDS_BuilderDone : StepToTopoDS_BuilderOther );
done = ! myResult.IsNull();
ResetPreci (myResult, MaxTol());
}
// ============================================================================
// Method : Init
// Purpose : Init with a FaceBasedSurfaceModel
// ============================================================================
void StepToTopoDS_Builder::Init (const Handle(StepShape_FaceBasedSurfaceModel)& aFBSM,
const Handle(Transfer_TransientProcess)& TP)
{
myResult.Nullify();
Handle(StepShape_HArray1OfConnectedFaceSet) boundary = aFBSM->FbsmFaces();
if ( boundary.IsNull() || boundary->Length() <1 ) {
TP->AddWarning ( aFBSM, "List of faces is empty" );
return;
}
StepToTopoDS_Tool myTool;
StepToTopoDS_DataMapOfTRI aMap;
myTool.Init(aMap, TP);
StepToTopoDS_TranslateFace myTranFace;
myTranFace.SetPrecision(Precision());
myTranFace.SetMaxTol(MaxTol());
TopoDS_Compound C;
BRep_Builder B;
B.MakeCompound ( C );
// Non-manifold topology is not mapped via FaceBasedSurfaceModel (ssv; 14.11.2010)
StepToTopoDS_NMTool dummyNMTool;
for ( Standard_Integer i=1; i <= boundary->Length(); i++ ) {
Handle(StepShape_ConnectedFaceSet) cfs = boundary->Value(i);
if ( cfs.IsNull() ) continue;
Handle(StepShape_HArray1OfFace) faces = cfs->CfsFaces();
if ( faces.IsNull() || faces->Length() <1 ) {
TP->AddWarning ( cfs, "No faces in connected_face_set" );
continue;
}
TopoDS_Shell S;
for ( Standard_Integer j=1; j <= faces->Length(); j++ ) {
Handle(StepShape_FaceSurface) fs = Handle(StepShape_FaceSurface)::DownCast ( faces->Value(j) );
myTranFace.Init(fs, myTool, dummyNMTool);
if ( ! myTranFace.IsDone() ) continue;
TopoDS_Face F = TopoDS::Face(myTranFace.Value());
if (F.IsNull()) continue; // NULL, on saute
if ( S.IsNull() ) B.MakeShell ( S );
B.Add ( S, F );
}
if ( S.IsNull() ) continue;
B.Add ( C, S );
if ( myResult.IsNull() ) myResult = S;
else myResult = C;
}
myError = ( myResult.IsNull() ? StepToTopoDS_BuilderDone : StepToTopoDS_BuilderOther );
done = ! myResult.IsNull();
ResetPreci (myResult, MaxTol());
}
// ***start DTH Apr/6
// ============================================================================
// Method : Init
// Purpose : Init with a GeometricCurveSet
// ============================================================================
//:i6 abv 17 Sep 98: ProSTEP TR9 r0601-ct.stp: to be able read GS: GeometricCurveSet -> GeometricSet
static TopoDS_Face TranslateBoundedSurf (const Handle(StepGeom_Surface) &surf,
const Standard_Real TolDegen)
{
TopoDS_Face res;
Handle(Geom_Surface) theSurf;
if (!StepToGeom_MakeSurface::Convert(surf,theSurf) || //:i6: protection
!theSurf->IsKind(STANDARD_TYPE(Geom_BoundedSurface))) return res;
//gka 11.01.99 file PRO7755.stp entity #2018 surface #1895: error BRepLib_MakeFace func IsDegenerated
BRepBuilderAPI_MakeFace myMkFace(theSurf, TolDegen);
return myMkFace.Face();
}
void StepToTopoDS_Builder::Init
(const Handle(StepShape_GeometricSet)& GCS,
const Handle(Transfer_TransientProcess)& TP)
{
// Initialisation of the Tool
// StepToTopoDS_Tool myTool;
// StepToTopoDS_DataMapOfTRI aMap;
// myTool.Init(aMap, TP);
// Start Mapping
TopoDS_Compound S;
BRep_Builder B;
B.MakeCompound(S);
TopoDS_Edge theEdge;
Standard_Integer i;
Standard_Real preci = Precision(); //gka
Standard_Real maxtol = MaxTol();
Standard_Integer nbElem = GCS->NbElements();
for (i = 1; i <= nbElem ; i++) {
StepShape_GeometricSetSelect aGSS = GCS->ElementsValue(i);
Handle(Standard_Transient) ent = aGSS.Value();
TopoDS_Shape res = TransferBRep::ShapeResult ( TP, ent );
if ( ! res.IsNull() ) { // already translated
B.Add ( S, res );
continue;
}
//:o7 abv 18 Feb 99: bm1_sy_fuel.stp #1427(1,2) protection against null entity
if ( ent.IsNull() ) {
char buff[100];
sprintf ( buff, "Entity %d is a Null entity", i );
TP->AddWarning (GCS,buff);
continue;
}
// try curve
else if ( ent->IsKind(STANDARD_TYPE(StepGeom_Curve)) ) {
Handle(StepGeom_Curve) aCrv = Handle(StepGeom_Curve)::DownCast ( ent );
// try composite_curve
Handle(StepGeom_CompositeCurve) CC = Handle(StepGeom_CompositeCurve)::DownCast(aCrv);
if ( ! CC.IsNull() ) {
StepToTopoDS_TranslateCompositeCurve TrCC;
TrCC.SetPrecision(preci);
TrCC.SetMaxTol(maxtol);
TrCC.Init( CC, TP );
if ( TrCC.IsDone() ) res = TrCC.Value();
}
else { // try other curves
Handle(Geom_Curve) aGeomCrv;
try {
OCC_CATCH_SIGNALS
StepToGeom_MakeCurve::Convert(aCrv,aGeomCrv);
}
catch(Standard_Failure) {
Handle(Message_Messenger) sout = TP->Messenger();
sout<<"StepToTopoDS, GeometricSet, elem "<<i<<" of "<<nbElem<<": exception ";
sout<<Standard_Failure::Caught()->GetMessageString() << endl;
}
if ( ! aGeomCrv.IsNull() ) {
BRepBuilderAPI_MakeEdge anEdge(aGeomCrv, aGeomCrv->FirstParameter(), aGeomCrv->LastParameter());
if ( anEdge.IsDone() ) res = anEdge.Edge();
}
}
}
// try point
else if ( ent->IsKind(STANDARD_TYPE(StepGeom_CartesianPoint)) ) {
Handle(StepGeom_CartesianPoint) aPnt = Handle(StepGeom_CartesianPoint)::DownCast ( ent );
Handle(Geom_CartesianPoint) thePnt;
if (StepToGeom_MakeCartesianPoint::Convert(aPnt,thePnt)) {
BRepBuilderAPI_MakeVertex myMkVtx(thePnt->Pnt());
if ( myMkVtx.IsDone() ) res = myMkVtx.Vertex();
}
}
// Element should finally be a Surface
else if ( ent->IsKind(STANDARD_TYPE(StepGeom_Surface)) ) {
Handle(StepGeom_Surface) aSurf =
Handle(StepGeom_Surface)::DownCast(ent);
// try curve_bounded_surf
if ( ent->IsKind(STANDARD_TYPE(StepGeom_CurveBoundedSurface)) ) {
Handle(StepGeom_CurveBoundedSurface) CBS =
Handle(StepGeom_CurveBoundedSurface)::DownCast(aSurf);
StepToTopoDS_TranslateCurveBoundedSurface TrCBS;
TrCBS.SetPrecision(preci);
TrCBS.SetMaxTol(maxtol);
TrCBS.Init( CBS, TP );
if ( TrCBS.IsDone() ) res = TrCBS.Value();
}
// try RectangularCompositeSurface
else if ( ent->IsKind(STANDARD_TYPE(StepGeom_RectangularCompositeSurface)) ) {
Handle(StepGeom_RectangularCompositeSurface) RCS =
Handle(StepGeom_RectangularCompositeSurface)::DownCast(aSurf);
Standard_Integer nbi = RCS->NbSegmentsI();
Standard_Integer nbj = RCS->NbSegmentsJ();
TopoDS_Compound C;
B.MakeCompound ( C );
for ( Standard_Integer ii=1; ii <= nbi; ii++ )
for ( Standard_Integer j=1; j <= nbj; j++ ) {
Handle(StepGeom_SurfacePatch) patch = RCS->SegmentsValue ( ii, j );
TopoDS_Face f = TranslateBoundedSurf (patch->ParentSurface(), preci);
if ( ! f.IsNull() ) B.Add ( C, f );
}
res = C;
}
// try other surfs
else res = TranslateBoundedSurf (aSurf, preci);
}
else TP->AddWarning (ent," Entity is not a Curve, Point or Surface");
if ( ! res.IsNull() ) {
B.Add(S, res);
TransferBRep::SetShapeResult ( TP, ent, res );
}
else TP->AddWarning (ent," Entity not mapped to TopoDS");
}
myResult = S;
myError = StepToTopoDS_BuilderDone;
done = Standard_True;
}
// ***end DTH Apr/6
// ============================================================================
// Method : Value
// Purpose : Returns the result of the mapping
// ============================================================================
const TopoDS_Shape& StepToTopoDS_Builder::Value() const
{
StdFail_NotDone_Raise_if(!done,"");
return myResult;
}
// ============================================================================
// Method : Error
// Purpose : Returns the Builder Error code
// ============================================================================
StepToTopoDS_BuilderError StepToTopoDS_Builder::Error() const
{
return myError;
}
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