--- /dev/null
+// Copyright: Matra-Datavision 1995
+// File: BRepToIGES_BRShell.cxx
+// Created: Mon Jan 30 11:46:12 1995
+// Author: Marie Jose MARTZ
+// <mjm>
+//:n3 abv 8 Feb 99: PRO17820: BRepTools::OuterWire() -> ShapeAnalysis::OuterWire
+//szv#4 S4163
+
+#include <BRepToIGES_BRShell.ixx>
+#include <BRepToIGES_BRWire.hxx>
+
+#include <BRep_Tool.hxx>
+#include <BRepTools.hxx>
+
+#include <gp.hxx>
+#include <gp_Trsf.hxx>
+
+#include <Geom_ConicalSurface.hxx>
+#include <Geom_CylindricalSurface.hxx>
+#include <Geom_RectangularTrimmedSurface.hxx>
+#include <Geom_SphericalSurface.hxx>
+#include <Geom_Surface.hxx>
+#include <Geom_SurfaceOfRevolution.hxx>
+#include <Geom_ToroidalSurface.hxx>
+
+#include <GeomToIGES_GeomSurface.hxx>
+
+#include <IGESBasic_Group.hxx>
+#include <IGESData_HArray1OfIGESEntity.hxx>
+#include <IGESData_IGESEntity.hxx>
+
+#include <IGESGeom_CurveOnSurface.hxx>
+#include <IGESGeom_HArray1OfCurveOnSurface.hxx>
+#include <IGESGeom_TrimmedSurface.hxx>
+#include <IGESGeom_SurfaceOfRevolution.hxx>
+
+#include <Interface_Macros.hxx>
+
+#include <TColStd_HSequenceOfTransient.hxx>
+
+#include <TopLoc_Location.hxx>
+
+#include <TopoDS.hxx>
+#include <TopoDS_Vertex.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Face.hxx>
+#include <TopoDS_Shell.hxx>
+#include <TopoDS_Wire.hxx>
+#include <TopoDS_Shape.hxx>
+
+#include <TopAbs_ShapeEnum.hxx>
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
+
+#include <ShapeAlgo.hxx>
+#include <ShapeAlgo_AlgoContainer.hxx>
+
+#include <Message_ProgressIndicator.hxx>
+#include <Transfer_FinderProcess.hxx>
+
+//=============================================================================
+// BRepToIGES_BRShell
+//=============================================================================
+
+BRepToIGES_BRShell::BRepToIGES_BRShell()
+{
+}
+
+
+//=============================================================================
+// BRepToIGES_BRShell
+//=============================================================================
+
+BRepToIGES_BRShell::BRepToIGES_BRShell
+(const BRepToIGES_BREntity& BR)
+: BRepToIGES_BREntity(BR)
+{
+}
+
+
+//=============================================================================
+// TransferShell
+//=============================================================================
+
+Handle(IGESData_IGESEntity) BRepToIGES_BRShell ::TransferShell(const TopoDS_Shape& start)
+{
+ Handle(IGESData_IGESEntity) res;
+
+ if (start.IsNull()) return res;
+
+ if (start.ShapeType() == TopAbs_FACE) {
+ TopoDS_Face F = TopoDS::Face(start);
+ res = TransferFace(F);
+ }
+ else if (start.ShapeType() == TopAbs_SHELL) {
+ TopoDS_Shell S = TopoDS::Shell(start);
+ res = TransferShell(S);
+ }
+ else {
+ // message d`erreur
+ }
+ return res;
+}
+
+
+//=============================================================================
+// TransferFace
+//
+//=============================================================================
+
+Handle(IGESData_IGESEntity) BRepToIGES_BRShell ::TransferFace(const TopoDS_Face& start)
+{
+ Handle(IGESData_IGESEntity) res;
+
+ Handle(Message_ProgressIndicator) progress = GetTransferProcess()->GetProgress();
+ if ( ! progress.IsNull() ) {
+ if ( progress->UserBreak() ) return res;
+ progress->Increment();
+ }
+
+ if ( start.IsNull()) {
+ return res;
+ }
+ //Standard_Integer Nb = 0; //szv#4:S4163:12Mar99 unused
+ Standard_Real Length = 1.;
+ Handle(IGESData_IGESEntity) ISurf;
+
+ // returns the face surface
+ // ------------------------
+
+ Handle(Geom_Surface) Surf = BRep_Tool::Surface(start);
+ Handle(Geom_Surface) Surf1;
+
+ if (!Surf.IsNull()) {
+ Standard_Real U1, U2, V1, V2;
+ // pour limiter les surfaces de base
+ BRepTools::UVBounds(start, U1, U2, V1, V2);
+ GeomToIGES_GeomSurface GS;
+ GS.SetModel(GetModel());
+ ISurf = GS.TransferSurface(Surf, U1, U2, V1, V2);
+ if (ISurf.IsNull()) {
+ AddWarning (start, "the basic surface is a null entity");
+ return res;
+ }
+ Length = GS.Length();
+
+ // modif mjm du 17/07/97
+ if (Surf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
+ DeclareAndCast(Geom_RectangularTrimmedSurface, rectang, Surf);
+ Surf1 = rectang->BasisSurface();
+ }
+ else
+ Surf1 = Surf;
+ }
+
+
+ // returns the wires of the face
+ // -----------------------------
+
+ BRepToIGES_BRWire BW(*this);
+ Standard_Integer Imode = 0;
+ Standard_Integer Iprefer = 0;
+ Handle(IGESData_IGESEntity) ICurve2d;
+ // pour explorer la face , il faut la mettre fORWARD.
+ TopoDS_Face myface = start;
+ Standard_Boolean IsReversed = Standard_False;
+ if (start.Orientation() == TopAbs_REVERSED) {
+ myface.Reverse();
+ IsReversed = Standard_True;
+ }
+
+ // outer wire
+//:n3 TopoDS_Wire Outer = BRepTools::OuterWire(myface);
+ TopoDS_Wire Outer = ShapeAlgo::AlgoContainer()->OuterWire(myface); //:n3
+ Handle(IGESGeom_CurveOnSurface) IOuter = new IGESGeom_CurveOnSurface;
+ if (!Outer.IsNull()) {
+ Handle(IGESData_IGESEntity) ICurve3d =
+ BW.TransferWire(Outer, myface, ICurve2d, Length);
+ if ((!ICurve3d.IsNull()) && (!ICurve2d.IsNull())) Iprefer = 3;
+ if ((!ICurve3d.IsNull()) && (ICurve2d.IsNull())) Iprefer = 2;
+ if ((ICurve3d.IsNull()) && (!ICurve2d.IsNull())) Iprefer = 1;
+ IOuter -> Init (Imode, ISurf, ICurve2d, ICurve3d, Iprefer);
+ }
+
+ // inners wires
+ TopExp_Explorer Ex;
+ Handle(TColStd_HSequenceOfTransient) Seq = new TColStd_HSequenceOfTransient();
+
+ for (Ex.Init(myface,TopAbs_WIRE); Ex.More(); Ex.Next()) {
+ TopoDS_Wire W = TopoDS::Wire(Ex.Current());
+ Handle(IGESGeom_CurveOnSurface) Curve = new IGESGeom_CurveOnSurface;
+ if (W.IsNull()) {
+ AddWarning(start," an Wire is a null entity");
+ }
+ else if (!W.IsSame(Outer)) {
+ Handle(IGESData_IGESEntity) ICurve3d =
+ BW.TransferWire(W, myface, ICurve2d, Length);
+ if ((!ICurve3d.IsNull()) && (!ICurve2d.IsNull())) Iprefer = 3;
+ if ((!ICurve3d.IsNull()) && (ICurve2d.IsNull())) Iprefer = 2;
+ if ((ICurve3d.IsNull()) && (!ICurve2d.IsNull())) Iprefer = 1;
+ Curve-> Init (Imode, ISurf, ICurve2d, ICurve3d, Iprefer);
+ if (!Curve.IsNull()) Seq->Append(Curve);
+ }
+ }
+
+ // all inners edges not in a wire
+ for (Ex.Init(myface,TopAbs_EDGE,TopAbs_WIRE); Ex.More(); Ex.Next()) {
+ TopoDS_Edge E = TopoDS::Edge(Ex.Current());
+ Handle(IGESGeom_CurveOnSurface) Curve = new IGESGeom_CurveOnSurface;
+ if (E.IsNull()) {
+ AddWarning(start," an Edge is a null entity");
+ }
+ else {
+ Handle(IGESData_IGESEntity) ICurve3d = BW.TransferEdge(E, Standard_False);
+ Handle(IGESData_IGESEntity) newICurve2d = BW.TransferEdge(E, myface, Length, Standard_False);
+ if ((!ICurve3d.IsNull()) && (!newICurve2d.IsNull())) Iprefer = 3;
+ if ((!ICurve3d.IsNull()) && (newICurve2d.IsNull())) Iprefer = 2;
+ if ((ICurve3d.IsNull()) && (!newICurve2d.IsNull())) Iprefer = 1;
+ Curve-> Init (Imode, ISurf, newICurve2d, ICurve3d, Iprefer);
+ if (!Curve.IsNull()) Seq->Append(Curve);
+ }
+ }
+
+
+ Standard_Integer nbent = Seq->Length();
+ Handle(IGESGeom_HArray1OfCurveOnSurface) Tab;
+ if (nbent >=1) {
+ Tab = new IGESGeom_HArray1OfCurveOnSurface(1,nbent);
+ for (Standard_Integer itab = 1; itab <= nbent; itab++) {
+ Handle(IGESGeom_CurveOnSurface) item = GetCasted(IGESGeom_CurveOnSurface, Seq->Value(itab));
+ Tab->SetValue(itab,item);
+ }
+ }
+
+ // returns the TrimmedSurface
+ // --------------------------
+ Standard_Boolean Flag = Standard_True; // pour l`instant
+ Handle(IGESGeom_TrimmedSurface) TrimmedSurf = new IGESGeom_TrimmedSurface;
+ TrimmedSurf-> Init (ISurf, Flag, IOuter, Tab);
+
+ res = TrimmedSurf;
+ if (IsReversed) myface.Reverse();
+
+ SetShapeResult ( start, res );
+
+ return res;
+}
+
+
+//=============================================================================
+// TransferShell
+//=============================================================================
+
+Handle(IGESData_IGESEntity) BRepToIGES_BRShell::TransferShell(const TopoDS_Shell& start)
+{
+ Handle(IGESData_IGESEntity) res;
+ if ( start.IsNull()) return res;
+
+ TopExp_Explorer Ex;
+ Handle(IGESBasic_Group) IGroup = new IGESBasic_Group;
+ Handle(TColStd_HSequenceOfTransient) Seq = new TColStd_HSequenceOfTransient();
+ Handle(IGESData_IGESEntity) IFace;
+
+ for (Ex.Init(start,TopAbs_FACE); Ex.More(); Ex.Next()) {
+ TopoDS_Face F = TopoDS::Face(Ex.Current());
+ if (F.IsNull()) {
+ AddWarning(start," a Face is a null entity");
+ }
+ else {
+ IFace = TransferFace(F);
+ if (!IFace.IsNull()) Seq->Append(IFace);
+ }
+ }
+
+
+ Standard_Integer nbfaces = Seq->Length();
+ Handle(IGESData_HArray1OfIGESEntity) Tab;
+ if ( nbfaces >= 1) {
+ Tab = new IGESData_HArray1OfIGESEntity(1,nbfaces);
+ for (Standard_Integer itab = 1; itab <= nbfaces; itab++) {
+ Handle(IGESData_IGESEntity) item = GetCasted(IGESData_IGESEntity, Seq->Value(itab));
+ Tab->SetValue(itab,item);
+ }
+ }
+
+ if (nbfaces == 1) {
+ res = IFace;
+ }
+ else {
+ IGroup->Init(Tab);
+ res = IGroup;
+ }
+
+ SetShapeResult ( start, res );
+
+ return res;
+}
+
+
+
+
projects / occt.git / blobdiff