--- /dev/null
+// File: ShHealOper_CloseContour.cxx
+// Created: 20.04.04 11:36:01
+// Author: Galina KULIKOVA
+// Copyright: Airbus Industries 2004
+
+
+#include <ShHealOper_CloseContour.hxx>
+#include <ShapeExtend_WireData.hxx>
+#include <ShapeFix_Wire.hxx>
+#include <TopoDS_Face.hxx>
+#include <ShapeFix_Edge.hxx>
+#include <TopoDS_Iterator.hxx>
+#include <ShapeAnalysis_Wire.hxx>
+#include <TColStd_SequenceOfInteger.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopTools_ListOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TColStd_MapOfInteger.hxx>
+#include <TopExp.hxx>
+#include <TopoDS.hxx>
+#include <TColStd_MapIteratorOfMapOfInteger.hxx>
+#include <ShapeAnalysis_Edge.hxx>
+#include <BRep_Builder.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Vertex.hxx>
+#include <BRepBuilderAPI_MakeVertex.hxx>
+#include <ShapeAnalysis_Edge.hxx>
+#include <gp_Pnt.hxx>
+#include <gp_Vec2d.hxx>
+#include <gp_Vec.hxx>
+#include <Geom_Line.hxx>
+#include <Geom2d_Line.hxx>
+#include <TopoDS_Compound.hxx>
+#include <BRep_Tool.hxx>
+#include <ShapeBuild_Edge.hxx>
+#include <TopExp_Explorer.hxx>
+//=======================================================================
+//function : ShHealOper_CloseContour()
+//purpose : Constructor
+//=======================================================================
+
+ShHealOper_CloseContour::ShHealOper_CloseContour (const TopoDS_Shape& theShape )
+{
+ Init(theShape);
+}
+//=======================================================================
+//function : Init
+//purpose :
+//=======================================================================
+
+void ShHealOper_CloseContour::Init(const TopoDS_Shape& theShape)
+{
+ ShHealOper_Tool::Init(theShape);
+ myTolerance = Precision::Confusion();
+ myMaxTolerance = 1.0;
+ TopExp::MapShapesAndAncestors(theShape,TopAbs_EDGE,TopAbs_FACE,myMapEdgesFace);
+}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+
+Standard_Boolean ShHealOper_CloseContour::Perform(const TopTools_SequenceOfShape& theSeqEdges,
+ const Standard_Boolean theModeVertex,
+ const Standard_Boolean theModeFixGapsCurves)
+{
+ myFreeEdges.Clear();
+ myDone = Standard_False;
+ myErrorStatus =ShHealOper_NotError;
+ if(myInitShape.IsNull()) {
+ myErrorStatus = ShHealOper_InvalidParameters;
+ return myDone;
+ }
+ Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData;
+ Standard_Integer i =1;
+ for ( ; i <= theSeqEdges.Length(); i++)
+ asewd->Add(theSeqEdges.Value(i));
+
+ myModeVertex = theModeVertex;
+ myModeFixGapsCurves = theModeFixGapsCurves;
+
+ build(asewd);
+
+ return myDone;
+}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+
+Standard_Boolean ShHealOper_CloseContour::Perform(const TopoDS_Wire& theWire,
+ const Standard_Boolean theModeVertex,
+ const Standard_Boolean theModeFixGapsCurves)
+{
+ myFreeEdges.Clear();
+ myDone = Standard_False;
+ if(myInitShape.IsNull()) {
+ myErrorStatus = ShHealOper_InvalidParameters;
+ return myDone;
+ }
+ Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(theWire);
+ myModeVertex = theModeVertex;
+ myModeFixGapsCurves = theModeFixGapsCurves;
+ build(asewd);
+ return myDone;
+}
+//=======================================================================
+//function : Build
+//purpose :
+//=======================================================================
+
+void ShHealOper_CloseContour::build(Handle(ShapeExtend_WireData)& theSewd)
+{
+ TopTools_SequenceOfShape aCommonFaces;
+ //checks that all specified edges belong the one face or not.
+ Standard_Boolean isOneFace = checkOneFace(theSewd,aCommonFaces);
+
+ //add edge or increase max tolerance in dependance on specified VertexMode.
+ //if all edges belong the one face that gap will be closed in the 2D by line
+ //else gap will be closed in the 3D by line.
+ myDone = fixGaps(theSewd,aCommonFaces);
+ updateWire(theSewd);
+ Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
+ sfw->SetContext(myContext);
+ sfw->Load(theSewd);
+
+ sfw->ClosedWireMode() = Standard_True;
+ sfw->SetPrecision(myTolerance);
+ sfw->SetMaxTolerance(myMaxTolerance);
+
+ if(isOneFace) {
+ Standard_Integer ii =1;
+ for( ; ii <= aCommonFaces.Length(); ii++) {
+ TopoDS_Face aFace = TopoDS::Face(aCommonFaces.Value(ii));
+ sfw->SetFace(aFace);
+ myDone = (sfw->Perform() || myDone);
+ //if Mode for fix gaps is equal to true that
+ //curve 3D and curve 2D will be pull to each other.
+ if(myModeFixGapsCurves) {
+ Standard_Boolean isFixgaps = Standard_False;
+ if(ii ==1) {
+ sfw->FixGaps3d();
+ isFixgaps = sfw->StatusGaps3d(ShapeExtend_DONE);
+ if(!isFixgaps && sfw->StatusGaps3d(ShapeExtend_FAIL))
+ myErrorStatus = ShHealOper_ErrorExecution;
+ }
+ if(sfw->FixGaps2d())
+ sfw->FixSelfIntersection();
+ else if(sfw->StatusGaps2d(ShapeExtend_FAIL))
+ myErrorStatus = ShHealOper_ErrorExecution;
+
+ isFixgaps = (isFixgaps || sfw->StatusGaps2d(ShapeExtend_DONE));
+ myDone = (myDone || isFixgaps);
+ if(isFixgaps) {
+ Handle(ShapeExtend_WireData) sbwd = sfw->WireData();
+ Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge;
+ for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
+ TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
+ sfe->FixVertexTolerance(aEdge,aFace);
+ sfe->FixSameParameter(aEdge);
+ }
+ }
+ }
+ }
+ }
+ else {
+ myDone = (sfw->Perform() || myDone);
+ if(myModeFixGapsCurves) {
+ //if Mode for fix gaps is equal to true that
+ //curve 3D will be pull to each other.
+ if(sfw->FixGaps3d()) {
+ Handle(ShapeExtend_WireData) sbwd = sfw->WireData();
+ Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge;
+ for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
+ TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
+ sfe->FixVertexTolerance(aEdge);
+ sfe->FixSameParameter(aEdge);
+ }
+ }
+ else if(sfw->StatusGaps3d(ShapeExtend_FAIL))
+ myErrorStatus = ShHealOper_ErrorExecution;
+ myDone = (sfw->StatusGaps3d(ShapeExtend_DONE) || myDone);
+ }
+ }
+
+ if(myDone) {
+ TopoDS_Shape aoldShape = myInitShape;
+ //if free edges were added they will be added to the result shape
+ //and type of result shape should be change if initial shape is not COMPOUND.
+ if( myFreeEdges.Length()) {
+ BRep_Builder aB;
+ TopoDS_Compound aComp;
+ aB.MakeCompound(aComp);
+ if(aoldShape.ShapeType() == TopAbs_COMPOUND) {
+ TopoDS_Iterator aIt(aoldShape);
+ for( ;aIt.More();aIt.Next() )
+ aB.Add(aComp,aIt.Value());
+ }
+ else
+ aB.Add(aComp,aoldShape);
+
+ Standard_Integer i=1;
+ for ( ; i <= myFreeEdges.Length(); i++ )
+ aB.Add(aComp,myFreeEdges.Value(i));
+ aoldShape = aComp;
+
+ }
+ myResultShape = myContext->Apply(aoldShape);
+ }
+ return;
+}
+//=======================================================================
+//function : checkGaps
+//purpose :
+//=======================================================================
+
+Standard_Boolean ShHealOper_CloseContour::fixGaps(const Handle(ShapeExtend_WireData)& theWire,
+ const TopTools_SequenceOfShape& theCommonFaces)
+{
+ Handle(ShapeAnalysis_Wire) asaw = new ShapeAnalysis_Wire;
+ asaw->Load(theWire);
+
+ Standard_Integer i =1;
+ Standard_Boolean hasGaps = Standard_False;
+ for ( ; i <= asaw->NbEdges(); i++) {
+ if(asaw->CheckGap3d(i)) {
+ Standard_Real dist = asaw->MinDistance3d();
+ if(dist > myMaxTolerance) {
+ hasGaps = Standard_True;
+ Standard_Integer ind2 = (i ==0 ? theWire->NbEdges() :i);
+ Standard_Integer ind1 = (ind2 >1 ? ind2 -1 : theWire->NbEdges());
+ TopoDS_Edge aE1= theWire->Edge(ind1);
+ TopoDS_Edge aE2= theWire->Edge(ind2);
+ if(!myModeVertex)
+ buildEdge(aE1,aE2,theCommonFaces);
+ else
+ myMaxTolerance = RealLast();
+ if(ind2 == ind1) break;
+ }
+ }
+
+ }
+ return hasGaps;
+}
+
+//=======================================================================
+//function : checkOneFace
+//purpose :
+//=======================================================================
+
+Standard_Boolean ShHealOper_CloseContour::checkOneFace(const Handle(ShapeExtend_WireData)& theSewd,
+ TopTools_SequenceOfShape& theCommonFaces) const
+{
+
+ TopTools_IndexedMapOfShape amapfaces;
+ TopoDS_Edge aEdge1 = theSewd->Edge(1);
+ Standard_Boolean isOneFace = myMapEdgesFace.Contains(aEdge1 );
+ if(!isOneFace)
+ return isOneFace;
+
+ //check that all specified edges belong to one face.
+ const TopTools_ListOfShape& alfaces = myMapEdgesFace.FindFromKey(aEdge1);
+ isOneFace = isOneFace && (!alfaces.IsEmpty());
+ if(!isOneFace)
+ return Standard_False;
+
+ TopTools_ListIteratorOfListOfShape litr(alfaces);
+ for( ; litr.More();litr.Next() )
+ amapfaces.Add(litr.Value());
+
+ TColStd_MapOfInteger amapIndex;
+ Standard_Integer ind =0;
+ Standard_Integer i =2;
+ for( ; i <= theSewd->NbEdges() && isOneFace; i++) {
+ isOneFace = myMapEdgesFace.Contains(theSewd->Edge(i));
+ if(isOneFace) {
+ const TopTools_ListOfShape& alfaces1 = myMapEdgesFace.FindFromKey(theSewd->Edge(i));
+
+ TColStd_MapOfInteger aTmpInd;
+ for(litr.Initialize(alfaces1) ; litr.More() ;litr.Next() ) {
+ if(amapfaces.Contains(litr.Value())) {
+ ind = amapfaces.FindIndex(litr.Value());
+ if( i == 2)
+ amapIndex.Add(ind);
+ else
+ aTmpInd.Add(ind);
+ }
+ }
+ if(i ==2) {
+ isOneFace = (amapIndex.Extent());
+ continue;
+ }
+ else {
+ TColStd_MapIteratorOfMapOfInteger aMi(amapIndex);
+ for( ; aMi.More();aMi.Next()) {
+ if(!aTmpInd.Contains(aMi.Key()))
+ amapIndex.Remove(aMi.Key());
+ }
+ isOneFace = (amapIndex.Extent());
+
+ }
+ }
+ }
+ if(theSewd->NbEdges() >1) {
+ Standard_Integer j =1;
+ for( ; j <= amapfaces.Extent(); j++) {
+ if(!amapIndex.Contains(j)) continue;
+ TopoDS_Shape aF = amapfaces.FindKey(j);
+ theCommonFaces.Append(aF);
+ }
+ }
+ return isOneFace;
+}
+//=======================================================================
+//function : buildEdge
+//purpose :
+//=======================================================================
+
+void ShHealOper_CloseContour::buildEdge(const TopoDS_Edge& aE1,
+ const TopoDS_Edge& aE2,
+ const TopTools_SequenceOfShape& theCommonFaces)
+{
+ ShapeAnalysis_Edge asae;
+ TopoDS_Vertex aV1 = asae.LastVertex(aE1);
+ TopoDS_Vertex aV2 = asae.FirstVertex(aE2);
+ gp_Pnt p1 = BRep_Tool::Pnt(aV1);
+ gp_Pnt p2 = BRep_Tool::Pnt(aV2);
+ BRepBuilderAPI_MakeVertex mkver1( p1 );
+ TopoDS_Vertex newV1 = mkver1.Vertex();
+
+ BRepBuilderAPI_MakeVertex mkver2( p2 );
+ TopoDS_Vertex newV2 = mkver2.Vertex();
+ BRep_Builder B;
+ B.UpdateVertex ( newV1,Precision::Confusion());
+ B.UpdateVertex ( newV2, Precision::Confusion());
+ Standard_Boolean isBuild = Standard_False;
+ TopoDS_Edge edge;
+ B.MakeEdge ( edge );
+ ShapeBuild_Edge sbe;
+ //if all edges belong to one face that gap will be closed in the 2D by line
+ //than 3D curve will be built by 2D curve
+ if(theCommonFaces.Length()) {
+
+ TopoDS_Face aF1 = TopoDS::Face(theCommonFaces.Value(1));
+ Handle(Geom2d_Curve) c2d1,c2d2;
+ gp_Pnt2d p2d1,p2d2;
+ Standard_Real a1, b1,a2, b2;
+ if ( asae.PCurve ( aE1, aF1, c2d1, a1, b1, Standard_True ) &&
+ asae.PCurve ( aE2, aF1, c2d2, a2, b2, Standard_True )) {
+
+ c2d1->D0 ( b1, p2d1);
+ c2d2->D0 ( a2, p2d2);
+ gp_Vec2d v12 ( p2d1, p2d2 );
+
+ Handle(Geom2d_Line) aLine2d = new Geom2d_Line ( p2d1, gp_Dir2d ( v12 ) );
+ B.UpdateEdge ( edge, aLine2d, aF1, ::Precision::Confusion() );
+ B.Range ( edge, aF1, 0.0, v12.Magnitude() );
+
+ isBuild = sbe.BuildCurve3d ( edge );
+ }
+ }
+ //else gap will be closed in the 3D by line.
+ if(!isBuild) {
+ gp_Vec v1 ( p1, p2 );
+ Handle(Geom_Line) aLine = new Geom_Line ( p1, gp_Dir ( v1 ) );
+ B.UpdateEdge ( edge, aLine, ::Precision::Confusion() );
+ B.Range ( edge,0.0, v1.Magnitude());
+ }
+ B.Add ( edge, newV1.Oriented ( TopAbs_FORWARD ) );
+ B.Add ( edge, newV2.Oriented ( TopAbs_REVERSED ) );
+ myContext->Replace(aV1, newV1.Oriented (aV1.Orientation()));
+ myContext->Replace(aV2, newV2.Oriented (aV2.Orientation()));
+ if(isBuild) {
+ newV1.Orientation(aV1.Orientation());
+ TopoDS_Edge newEdge = sbe.CopyReplaceVertices ( aE1,TopoDS_Vertex(), newV1);
+ TopoDS_Wire aw;
+ B.MakeWire(aw);
+ B.Add(aw,newEdge);
+ B.Add(aw,edge);
+ TopoDS_Shape anE1 = myContext->Apply(aE1);
+ myContext->Replace(anE1,aw);
+ }
+ else {
+ myFreeEdges.Append(edge);
+ }
+}
+//=======================================================================
+//function : UpdateWire
+//purpose :
+//=======================================================================
+
+void ShHealOper_CloseContour::updateWire (Handle(ShapeExtend_WireData)& sbwd)
+{
+ Standard_Integer i=1;
+ for ( ; i <= sbwd->NbEdges(); i++ ) {
+ TopoDS_Edge E = sbwd->Edge(i);
+ TopoDS_Shape S = myContext->Apply ( E );
+ if ( S == E ) continue;
+ for ( TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next() )
+ sbwd->Add ( exp.Current(), i++ );
+ sbwd->Remove ( i-- );
+ }
+ for ( i =1; i <= myFreeEdges.Length(); i++ ) {
+ sbwd->Add(TopoDS::Edge(myFreeEdges.Value(i)));
+ }
+}
