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// File: TopoDSToStep_MakeStepWire.cxx
// Created: Wed Nov 30 14:14:31 1994
// Author: Frederic MAUPAS
// <fma@bibox>
//szv#4 S4163
#include <TopoDSToStep_MakeStepWire.ixx>
#include <TopoDSToStep_MakeStepVertex.hxx>
#include <TopoDSToStep_MakeStepEdge.hxx>
#include <BRepTools_WireExplorer.hxx>
#include <TColStd_SequenceOfTransient.hxx>
#include <TopoDS_Iterator.hxx>
#include <BRep_Tool.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom2d_Line.hxx>
#include <gp_Pnt.hxx>
#include <TopExp.hxx>
#include <TopoDS.hxx>
#include <StepShape_VertexPoint.hxx>
#include <StepShape_Edge.hxx>
#include <StepShape_EdgeLoop.hxx>
#include <StepShape_VertexLoop.hxx>
#include <StepShape_HArray1OfOrientedEdge.hxx>
#include <StepShape_OrientedEdge.hxx>
#include <StepShape_PolyLoop.hxx>
#include <StepGeom_CartesianPoint.hxx>
#include <StepGeom_HArray1OfCartesianPoint.hxx>
#include <TransferBRep_ShapeMapper.hxx>
#include <TCollection_HAsciiString.hxx>
#include <ShapeExtend_WireData.hxx>
#include <ShapeFix_Wire.hxx>
#include <ShapeAnalysis_Edge.hxx>
// ----------------------------------------------------------------------------
// Constructors
// ----------------------------------------------------------------------------
TopoDSToStep_MakeStepWire::TopoDSToStep_MakeStepWire()
{
done = Standard_False;
}
TopoDSToStep_MakeStepWire::TopoDSToStep_MakeStepWire
(const TopoDS_Wire& W,
TopoDSToStep_Tool& T,
const Handle(Transfer_FinderProcess)& FP)
{
done = Standard_False;
Init(W, T, FP);
}
// ----------------------------------------------------------------------------
// Method : Init
// Purpose :
// ----------------------------------------------------------------------------
void TopoDSToStep_MakeStepWire::Init(const TopoDS_Wire& aWire,
TopoDSToStep_Tool& aTool,
const Handle(Transfer_FinderProcess)& FP)
{
// ----------------------------------------------------------------
// The Wire is given in its relative orientation (i.e. in the face)
// ----------------------------------------------------------------
aTool.SetCurrentWire(aWire);
if (aTool.IsBound(aWire)) {
myError = TopoDSToStep_WireDone;
done = Standard_True;
myResult = aTool.Find(aWire);
return;
}
TopoDS_Iterator It;
Standard_Integer i;
if (aWire.Orientation() == TopAbs_INTERNAL ||
aWire.Orientation() == TopAbs_EXTERNAL ) {
Handle(TransferBRep_ShapeMapper) errShape =
new TransferBRep_ShapeMapper(aWire);
FP->AddWarning(errShape, " Wire(internal/external) from Non Manifold Topology");
myError = TopoDSToStep_NonManifoldWire;
done = Standard_False;
return;
}
BRepTools_WireExplorer ItW;
TopoDS_Edge CurrentEdge;
TColStd_SequenceOfTransient mySeq;
// --------
// Polyloop
// --------
if (aTool.Faceted()) {
Handle(StepShape_VertexPoint) VertexPoint;
Handle(StepGeom_Point) Point;
Handle(StepShape_TopologicalRepresentationItem) Gpms;
TopoDS_Vertex TopoDSVertex1, TopoDSVertex2;
TopoDSToStep_MakeStepVertex MkVertex;
// TopoDS_Wire ForwardWire = TopoDS::Wire(aWire.Oriented(TopAbs_FORWARD));
for (ItW.Init(aWire, aTool.CurrentFace());
ItW.More();ItW.Next()) {
CurrentEdge = ItW.Current();
if (CurrentEdge.Orientation() == TopAbs_FORWARD)
TopExp::Vertices(CurrentEdge, TopoDSVertex1, TopoDSVertex2);
else
TopExp::Vertices(CurrentEdge, TopoDSVertex2, TopoDSVertex1);
MkVertex.Init(TopoDSVertex1, aTool, FP);
if (MkVertex.IsDone()) {
VertexPoint = Handle(StepShape_VertexPoint)::DownCast(MkVertex.Value());
Point = VertexPoint->VertexGeometry();
mySeq.Append(Point);
}
else {
Handle(TransferBRep_ShapeMapper) errShape =
new TransferBRep_ShapeMapper(aWire);
FP->AddWarning(errShape, " a Vertex Point not mapped");
myError = TopoDSToStep_WireOther;
done = Standard_False;
return;
}
}
Standard_Integer nbPoints = mySeq.Length();
if (nbPoints>=3) {
Handle(StepGeom_HArray1OfCartesianPoint) aPolygon =
new StepGeom_HArray1OfCartesianPoint(1,nbPoints);
for ( i=1; i<=nbPoints; i++) {
aPolygon->SetValue(i, Handle(StepGeom_CartesianPoint)::
DownCast(mySeq.Value(i)));
}
Handle(StepShape_PolyLoop) PL = new StepShape_PolyLoop();
Handle(TCollection_HAsciiString) aName =
new TCollection_HAsciiString("");
PL->Init(aName, aPolygon);
aTool.Bind(aWire, PL);
myError = TopoDSToStep_WireDone;
done = Standard_True;
myResult = PL;
return;
}
else {
Handle(TransferBRep_ShapeMapper) errShape =
new TransferBRep_ShapeMapper(aWire);
FP->AddWarning(errShape, " PolyLoop: Wire has less than 3 points");
myError = TopoDSToStep_WireOther;
done = Standard_False;
return;
}
}
// --------
// EdgeLoop
// --------
else {
Handle(StepShape_TopologicalRepresentationItem) Gpms;
Handle(StepShape_Edge) Epms;
Handle(StepShape_OrientedEdge) OrientedEdge;
TopoDSToStep_MakeStepEdge MkEdge;
//szv#4:S4163:12Mar99 SGI warns
TopoDS_Shape sh = aWire.Oriented(TopAbs_FORWARD);
const TopoDS_Wire ForwardWire = TopoDS::Wire(sh);
// test 25-01-96 FMA supprime CKY 2-JUN-1997, cf MakeStepFace->Face FWD]
// remis CKY 9-DEC-1997 : chaque niveau se traite en FWD
//#11 rln 16/03/98
//TestRally8 file carter2.rle face#333 (wire is not sorted, not sorted edges are seam and iso-curve):
//aWire is REVERSED but ForwardWire is FORWARD, when exploding not connected seams their pcurves are
//returned in incorrect order (because of mismatched orientation)
//As a result not sorted edges are lost (not returned by BRepTools_WireExplorer)
//By the way, in the case of aTool.Faceted() aWire is used
//#11 ItW.Init(ForwardWire, aTool.CurrentFace());
//#11 for (;ItW.More();ItW.Next()) {
Handle(ShapeFix_Wire) STW = new ShapeFix_Wire;
STW->Load (ForwardWire);
STW->FixReorder();
Handle(ShapeExtend_WireData) sbwd = STW->WireData();
Standard_Integer nb = sbwd->NbEdges();
//:abv 04.05.00: CAX-IF TRJ4: writing complete sphere with single vertex_loop
// check that whole wire is one seam (perhaps made of several seam edges)
//pdn remove degenerated pcurves
Handle(ShapeExtend_WireData) cwd = new ShapeExtend_WireData;
Standard_Integer ie;
for (ie = 1; ie <=nb; ie++) {
TopoDS_Edge edge = sbwd->Edge(ie);
if (!BRep_Tool::Degenerated(edge))
cwd->Add(edge);
}
nb = cwd->NbEdges();
if(nb%2 == 0 ) {
for ( ie = 1; ie < nb; ie++) {
if ( cwd->Edge(ie).IsSame(cwd->Edge(ie+1)) ) break;
}
if ( ie < nb ) {
cwd->SetLast(ie);
for ( ie=nb/2+1; ie <= nb; ie++ ) {
if ( ! cwd->Edge(ie).IsSame(cwd->Edge(nb-ie+1)) ) break;
}
if ( ie > nb ) { // make vertex_loop
ShapeAnalysis_Edge sae;
TopoDS_Vertex V = sae.FirstVertex(cwd->Edge(1));
TopoDSToStep_MakeStepVertex mkV ( V, aTool, FP );
Handle(StepShape_VertexLoop) vloop = new StepShape_VertexLoop;
Handle(TCollection_HAsciiString) name = new TCollection_HAsciiString ( "" );
vloop->Init ( name, Handle(StepShape_Vertex)::DownCast ( mkV.Value() ) );
aTool.Bind(aWire, vloop);
myError = TopoDSToStep_WireDone;
done = Standard_True;
myResult = vloop;
return;
}
}
}
nb = sbwd->NbEdges();
for (Standard_Integer nEdge = 1; nEdge <= sbwd->NbEdges(); nEdge++) {
CurrentEdge = sbwd->Edge(nEdge);
//#11 CurrentEdge = ItW.Current();
//if (ItW.Current().Orientation() != ItW.Orientation())
//cout << "DEBUG : Attention WireExplorer Orientation" << endl;
// ---------------------------------
// --- Is the edge Degenerated ? ---
// ---------------------------------
Standard_Real cf, cl;
Handle(Geom2d_Curve) theC2d =
BRep_Tool::CurveOnSurface(CurrentEdge, aTool.CurrentFace(), cf, cl);
//BRepAdaptor_Curve CA;
//CA = BRepAdaptor_Curve(CurrentEdge,
//aTool.CurrentFace());
//GeomAbs_CurveType typC = CA.CurveOnSurface().GetCurve().GetType();
//if (typC == GeomAbs_Line && BRep_Tool::Degenerated(CurrentEdge)) {
//Handle(TransferBRep_ShapeMapper) errShape =
//new TransferBRep_ShapeMapper(aWire);
//FP->AddWarning(errShape, " EdgeLoop: Degenerated Pcurve not mapped");
//}
if ( //:abv 26Jan00, CAX-IF TRJ3: ! theC2d.IsNull() && theC2d->IsKind(STANDARD_TYPE(Geom2d_Line)) &&
BRep_Tool::Degenerated(CurrentEdge)) {
Handle(TransferBRep_ShapeMapper) errShape =
new TransferBRep_ShapeMapper(aWire);
FP->AddWarning(errShape, " EdgeLoop: Degenerated Pcurve not mapped");
continue;
}
else {
//szv#4:S4163:12Mar99 SGI warns
//TopoDS_Shape ssh = CurrentEdge.Oriented(TopAbs_FORWARD);
//const TopoDS_Edge ForwardEdge = TopoDS::Edge(ssh);
MkEdge.Init(CurrentEdge, aTool, FP);
if (MkEdge.IsDone()) {
OrientedEdge = new StepShape_OrientedEdge();
Epms = Handle(StepShape_Edge)::DownCast(MkEdge.Value());
Handle(TCollection_HAsciiString) aName = new TCollection_HAsciiString("");
OrientedEdge->Init(aName, Epms, (CurrentEdge.Orientation() == TopAbs_FORWARD));
mySeq.Append(OrientedEdge);
}
else {
Handle(TransferBRep_ShapeMapper) errShape =
new TransferBRep_ShapeMapper(aWire);
FP->AddWarning(errShape, " EdgeLoop: an Edge not mapped");
myError = TopoDSToStep_WireOther;
done = Standard_False;
return;
}
}
}
Standard_Integer nbEdges = mySeq.Length();
if ( nbEdges >0 ) {
Handle(StepShape_HArray1OfOrientedEdge) aList =
new StepShape_HArray1OfOrientedEdge(1,nbEdges);
for ( i=1; i<=nbEdges; i++ ) {
aList->SetValue(i, Handle(StepShape_OrientedEdge)::
DownCast(mySeq.Value(i)));
}
Handle(StepShape_EdgeLoop) Epmsl = new StepShape_EdgeLoop;
Handle(TCollection_HAsciiString) aName =
new TCollection_HAsciiString("");
Epmsl->Init(aName, aList);
aTool.Bind(aWire, Epmsl);
done = Standard_True;
myResult = Epmsl;
return;
}
else {
Handle(TransferBRep_ShapeMapper) errShape =
new TransferBRep_ShapeMapper(aWire);
FP->AddWarning(errShape, " No Edges of this Wire were mapped");
myError = TopoDSToStep_WireOther;
done = Standard_False;
return;
}
}
}
// ----------------------------------------------------------------------------
// Method : Value
// Purpose :
// ----------------------------------------------------------------------------
const Handle(StepShape_TopologicalRepresentationItem)& TopoDSToStep_MakeStepWire::Value() const
{
StdFail_NotDone_Raise_if(!done,"");
return myResult;
}
// ----------------------------------------------------------------------------
// Method : Error
// Purpose :
// ----------------------------------------------------------------------------
TopoDSToStep_MakeWireError TopoDSToStep_MakeStepWire::Error() const
{
return myError;
}
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