#include <TopTools_MapIteratorOfMapOfShape.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_SequenceOfShape.hxx>
+#include <BRepBuilderAPI_Sewing.hxx>
+#include <Geom_Line.hxx>
+#include <NCollection_Vector.hxx>
+#include <NCollection_IncAllocator.hxx>
+//
+#include <BOPAlgo_MakerVolume.hxx>
+#include <BOPTools_AlgoTools.hxx>
#include <stdio.h>
// POP for NT
//=======================================================================
static void DEBVerticesControl (const TopTools_IndexedMapOfShape& NewEdges,
- Handle(BRepAlgo_AsDes) AsDes)
+ Handle(BRepAlgo_AsDes) AsDes)
{
TopTools_ListOfShape LVP;
TopTools_ListIteratorOfListOfShape it1LE ;
const TopoDS_Edge& NE = TopoDS::Edge(NewEdges(i));
if (AsDes->HasDescendant(NE)) {
for (it1LE.Initialize(AsDes->Descendant(NE)); it1LE.More(); it1LE.Next()) {
- if (AsDes->Ascendant(it1LE.Value()).Extent() < 3) {
- LVP.Append(it1LE.Value());
- cout <<"Vertex on at least 3 edges."<<endl;
+ if (AsDes->Ascendant(it1LE.Value()).Extent() < 3) {
+ LVP.Append(it1LE.Value());
+ std::cout <<"Vertex on at least 3 edges."<<std::endl;
#ifdef DRAW
- if (AffichInt2d) {
- sprintf (name,"VP_%d",NVP++);
- DBRep::Set(name,it1LE.Value());
- }
+ if (AffichInt2d) {
+ sprintf (name,"VP_%d",NVP++);
+ DBRep::Set(name,it1LE.Value());
+ }
#endif
- }
- else if (AsDes->Ascendant(it1LE.Value()).Extent() > 3) {
- cout <<"Vertex on more than 3 edges."<<endl;
+ }
+ else if (AsDes->Ascendant(it1LE.Value()).Extent() > 3) {
+ std::cout <<"Vertex on more than 3 edges."<<std::endl;
#ifdef DRAW
- if (AffichInt2d) {
- sprintf (name,"VM_%d",NVM++);
- DBRep::Set(name,it1LE.Value());
- }
+ if (AffichInt2d) {
+ sprintf (name,"VM_%d",NVM++);
+ DBRep::Set(name,it1LE.Value());
+ }
#endif
-
- }
- else {
+
+ }
+ else {
#ifdef DRAW
- if (AffichInt2d) {
- sprintf (name,"VN_%d",NVN++);
- DBRep::Set(name,it1LE.Value());
- }
+ if (AffichInt2d) {
+ sprintf (name,"VN_%d",NVN++);
+ DBRep::Set(name,it1LE.Value());
+ }
#endif
- }
+ }
}
}
}
for ( ; it2.More(); it2.Next()) {
if (j > i) {
- TopoDS_Shape V2 = it2.Value();
- gp_Pnt P2 = BRep_Tool::Pnt(TopoDS::Vertex(V2));
- if (!V1.IsSame(V2)) {
- Standard_Real dist = P1.Distance(P2);
- if (dist < distmin) distmin = dist;
- if (dist < TolConf) {
- Standard_Real UV2;
- TopoDS_Edge EWE2;
- const TopTools_ListOfShape& EdgeWithV2 = AsDes->Ascendant(V2);
- TopTools_ListIteratorOfListOfShape itAsDes;
- for (itAsDes.Initialize(EdgeWithV2); itAsDes.More(); itAsDes.Next()) {
- EWE2 = TopoDS::Edge(itAsDes.Value());
- TopoDS_Shape aLocalShape = V2.Oriented(TopAbs_INTERNAL);
- UV2 = BRep_Tool::Parameter(TopoDS::Vertex(aLocalShape),EWE2);
- aLocalShape = V1.Oriented(TopAbs_INTERNAL) ;
- B.UpdateVertex(TopoDS::Vertex(aLocalShape),UV2,EWE2,Tol);
-// UV2 =
-// BRep_Tool::Parameter(TopoDS::Vertex(),EWE2);
-// B.UpdateVertex(TopoDS::Vertex(V1.Oriented(TopAbs_INTERNAL)),
-// UV2,EWE2,Tol);
- }
- AsDes->Replace(V2,V1);
- }
- }
+ TopoDS_Shape V2 = it2.Value();
+ gp_Pnt P2 = BRep_Tool::Pnt(TopoDS::Vertex(V2));
+ if (!V1.IsSame(V2)) {
+ Standard_Real dist = P1.Distance(P2);
+ if (dist < distmin) distmin = dist;
+ if (dist < TolConf) {
+ Standard_Real UV2;
+ TopoDS_Edge EWE2;
+ const TopTools_ListOfShape& EdgeWithV2 = AsDes->Ascendant(V2);
+ TopTools_ListIteratorOfListOfShape itAsDes;
+ for (itAsDes.Initialize(EdgeWithV2); itAsDes.More(); itAsDes.Next()) {
+ EWE2 = TopoDS::Edge(itAsDes.Value());
+ TopoDS_Shape aLocalShape = V2.Oriented(TopAbs_INTERNAL);
+ UV2 = BRep_Tool::Parameter(TopoDS::Vertex(aLocalShape),EWE2);
+ aLocalShape = V1.Oriented(TopAbs_INTERNAL) ;
+ B.UpdateVertex(TopoDS::Vertex(aLocalShape),UV2,EWE2,Tol);
+// UV2 =
+// BRep_Tool::Parameter(TopoDS::Vertex(),EWE2);
+// B.UpdateVertex(TopoDS::Vertex(V1.Oriented(TopAbs_INTERNAL)),
+// UV2,EWE2,Tol);
+ }
+ AsDes->Replace(V2,V1);
+ }
+ }
}
j++;
}
i++;
- cout <<" distmin between VP : "<<distmin<<endl;
+ std::cout <<" distmin between VP : "<<distmin<<std::endl;
}
}
#endif
+
+//=======================================================================
+// static methods
+//=======================================================================
+static
+ void GetEnlargedFaces(const TopTools_ListOfShape& theFaces,
+ const BRepOffset_DataMapOfShapeOffset& theMapSF,
+ const TopTools_DataMapOfShapeShape& theMES,
+ TopTools_DataMapOfShapeShape& theFacesOrigins,
+ BRepAlgo_Image& theImage,
+ TopTools_ListOfShape& theLSF);
+
+static
+ Standard_Boolean BuildShellsCompleteInter(const TopTools_ListOfShape& theLF,
+ BRepAlgo_Image& theImage,
+ TopoDS_Shape& theShells);
+
+static
+ Standard_Boolean GetSubShapes(const TopoDS_Shape& theShape,
+ const TopAbs_ShapeEnum theSSType,
+ TopoDS_Shape& theResult);
+
+static
+ void UpdateInitOffset(BRepAlgo_Image& myInitOffset,
+ BRepAlgo_Image& myImageOffset,
+ const TopoDS_Shape& myOffsetShape,
+ const TopAbs_ShapeEnum &theShapeType);
+
+static
+ void RemoveShapes(TopoDS_Shape& theS,
+ const TopTools_ListOfShape& theLS);
+
+static
+ Standard_Boolean IsSolid(const TopoDS_Shape& theS);
+
+static
+ void UpdateHistory(const TopTools_ListOfShape& theLF,
+ BOPAlgo_Builder& theGF,
+ BRepAlgo_Image& theImage);
+
+static
+ Standard_Boolean IsPlanar(const TopoDS_Shape& theS);
+
+static
+ Standard_Boolean TrimEdge(TopoDS_Edge& NE,
+ const Handle(BRepAlgo_AsDes)& AsDes2d,
+ Handle(BRepAlgo_AsDes)& AsDes,
+ TopTools_DataMapOfShapeShape& theETrimEInf);
+
+static
+ Standard_Boolean TrimEdges(const TopoDS_Shape& theShape,
+ const Standard_Real theOffset,
+ const BRepOffset_Analyse& Analyse,
+ BRepOffset_DataMapOfShapeOffset& theMapSF,
+ TopTools_DataMapOfShapeShape& theMES,
+ TopTools_DataMapOfShapeShape& theBuild,
+ Handle(BRepAlgo_AsDes)& theAsDes,
+ Handle(BRepAlgo_AsDes)& theAsDes2d,
+ TopTools_IndexedMapOfShape& theNewEdges,
+ TopTools_DataMapOfShapeShape& theETrimEInf,
+ TopTools_DataMapOfShapeListOfShape& theEdgesOrigins);
+
+static
+ void AppendToList(TopTools_ListOfShape& theL,
+ const TopoDS_Shape& theS);
+
+static BRepOffset_Error checkSinglePoint(const Standard_Real theUParam,
+ const Standard_Real theVParam,
+ const Handle(Geom_Surface)& theSurf,
+ const NCollection_Vector<gp_Pnt>& theBadPoints);
+
//---------------------------------------------------------------------
static void UpdateTolerance ( TopoDS_Shape& myShape,
- const TopTools_IndexedMapOfShape& myFaces);
+ const TopTools_IndexedMapOfShape& myFaces);
+static Standard_Real ComputeMaxDist(const gp_Pln& thePlane,
+ const Handle(Geom_Curve)& theCrv,
+ const Standard_Real theFirst,
+ const Standard_Real theLast);
static void CorrectSolid(TopoDS_Solid& theSol, TopTools_ListOfShape& theSolList);
//---------------------------------------------------------------------
+
+static TopAbs_Orientation OrientationOfEdgeInFace(const TopoDS_Edge& theEdge,
+ const TopoDS_Face& theFace)
+{
+ TopAbs_Orientation anOr = TopAbs_EXTERNAL;
+
+ TopExp_Explorer Explo(theFace, TopAbs_EDGE);
+ for (; Explo.More(); Explo.Next())
+ {
+ const TopoDS_Shape& anEdge = Explo.Current();
+ if (anEdge.IsSame(theEdge))
+ {
+ anOr = anEdge.Orientation();
+ break;
+ }
+ }
+
+ return anOr;
+}
+
//
static Standard_Boolean FindParameter(const TopoDS_Vertex& V,
- const TopoDS_Edge& E,
- Standard_Real& U)
+ const TopoDS_Edge& E,
+ Standard_Real& U)
{
// Search the vertex in the edge
const TopoDS_Shape& Vcur = itv.Value();
if (V.IsSame(Vcur)) {
if (VF.IsNull()) {
- VF = Vcur;
+ VF = Vcur;
}
else {
- rev = E.Orientation() == TopAbs_REVERSED;
- if (Vcur.Orientation() == V.Orientation()) {
- VF = Vcur;
- }
+ rev = E.Orientation() == TopAbs_REVERSED;
+ if (Vcur.Orientation() == V.Orientation()) {
+ VF = Vcur;
+ }
}
}
itv.Next();
L = L.Predivided(V.Location());
if (!C.IsNull() || BRep_Tool::Degenerated(E)) {
BRep_ListIteratorOfListOfPointRepresentation itpr
- ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points());
+ ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points());
while (itpr.More()) {
- const Handle(BRep_PointRepresentation)& pr = itpr.Value();
- if (pr->IsPointOnCurve(C,L)) {
- Standard_Real p = pr->Parameter();
- Standard_Real res = p;// SVV 4 nov 99 - to avoid warnings on Linux
- if (!C.IsNull()) {
- // Closed curves RLE 16 june 94
- if (Precision::IsNegativeInfinite(f))
- {
- //return pr->Parameter();//p;
- U = pr->Parameter();
- return Standard_True;
- }
- if (Precision::IsPositiveInfinite(l))
- {
- //return pr->Parameter();//p;
- U = pr->Parameter();
- return Standard_True;
- }
- gp_Pnt Pf = C->Value(f).Transformed(L.Transformation());
- gp_Pnt Pl = C->Value(l).Transformed(L.Transformation());
- Standard_Real tol = BRep_Tool::Tolerance(V);
- if (Pf.Distance(Pl) < tol) {
- if (Pf.Distance(BRep_Tool::Pnt(V)) < tol) {
- if (V.Orientation() == TopAbs_FORWARD) res = f;//p = f;
- else res = l;//p = l;
- }
- }
- }
- //return res;//p;
- U = res;
- return Standard_True;
- }
- itpr.Next();
+ const Handle(BRep_PointRepresentation)& pr = itpr.Value();
+ if (pr->IsPointOnCurve(C,L)) {
+ Standard_Real p = pr->Parameter();
+ Standard_Real res = p;// SVV 4 nov 99 - to avoid warnings on Linux
+ if (!C.IsNull()) {
+ // Closed curves RLE 16 june 94
+ if (Precision::IsNegativeInfinite(f))
+ {
+ //return pr->Parameter();//p;
+ U = pr->Parameter();
+ return Standard_True;
+ }
+ if (Precision::IsPositiveInfinite(l))
+ {
+ //return pr->Parameter();//p;
+ U = pr->Parameter();
+ return Standard_True;
+ }
+ gp_Pnt Pf = C->Value(f).Transformed(L.Transformation());
+ gp_Pnt Pl = C->Value(l).Transformed(L.Transformation());
+ Standard_Real tol = BRep_Tool::Tolerance(V);
+ if (Pf.Distance(Pl) < tol) {
+ if (Pf.Distance(BRep_Tool::Pnt(V)) < tol) {
+ if (V.Orientation() == TopAbs_FORWARD) res = f;//p = f;
+ else res = l;//p = l;
+ }
+ }
+ }
+ //return res;//p;
+ U = res;
+ return Standard_True;
+ }
+ itpr.Next();
}
}
else {
BRep_Tool::CurveOnSurface(E,PC,S,L,f,l);
L = L.Predivided(V.Location());
BRep_ListIteratorOfListOfPointRepresentation itpr
- ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points());
+ ((*((Handle(BRep_TVertex)*) &V.TShape()))->Points());
while (itpr.More()) {
- const Handle(BRep_PointRepresentation)& pr = itpr.Value();
- if (pr->IsPointOnCurveOnSurface(PC,S,L)) {
- Standard_Real p = pr->Parameter();
- // Closed curves RLE 16 june 94
- if (PC->IsClosed()) {
- if ((p == PC->FirstParameter()) ||
- (p == PC->LastParameter())) {
- if (V.Orientation() == TopAbs_FORWARD) p = PC->FirstParameter();
- else p = PC->LastParameter();
- }
- }
- //return p;
- U = p;
- return Standard_True;
- }
- itpr.Next();
+ const Handle(BRep_PointRepresentation)& pr = itpr.Value();
+ if (pr->IsPointOnCurveOnSurface(PC,S,L)) {
+ Standard_Real p = pr->Parameter();
+ // Closed curves RLE 16 june 94
+ if (PC->IsClosed()) {
+ if ((p == PC->FirstParameter()) ||
+ (p == PC->LastParameter())) {
+ if (V.Orientation() == TopAbs_FORWARD) p = PC->FirstParameter();
+ else p = PC->LastParameter();
+ }
+ }
+ //return p;
+ U = p;
+ return Standard_True;
+ }
+ itpr.Next();
}
}
}
- //Standard_NoSuchObject::Raise("BRep_Tool:: no parameter on edge");
+ //throw Standard_NoSuchObject("BRep_Tool:: no parameter on edge");
return Standard_False;
}
//purpose : fills free boundary contours and faces connected (MapEF)
//=======================================================================
static void FillContours(const TopoDS_Shape& aShape,
- const BRepOffset_Analyse& Analyser,
- TopTools_DataMapOfShapeListOfShape& Contours,
- TopTools_DataMapOfShapeShape& MapEF)
+ const BRepOffset_Analyse& Analyser,
+ TopTools_IndexedDataMapOfShapeListOfShape& Contours,
+ TopTools_DataMapOfShapeShape& MapEF)
{
TopTools_ListOfShape Edges;
BRepTools_WireExplorer Wexp;
for (; Explo.More(); Explo.Next())
+ {
+ TopoDS_Face aFace = TopoDS::Face(Explo.Current());
+ TopoDS_Iterator itf(aFace);
+ for (; itf.More(); itf.Next())
{
- TopoDS_Face aFace = TopoDS::Face(Explo.Current());
- TopoDS_Iterator itf(aFace);
- for (; itf.More(); itf.Next())
- {
- TopoDS_Wire aWire = TopoDS::Wire(itf.Value());
- for (Wexp.Init(aWire, aFace); Wexp.More(); Wexp.Next())
- {
- TopoDS_Edge anEdge = Wexp.Current();
- if (BRep_Tool::Degenerated(anEdge))
- continue;
- const BRepOffset_ListOfInterval& Lint = Analyser.Type(anEdge);
- if (!Lint.IsEmpty() && Lint.First().Type() == BRepOffset_FreeBoundary)
- {
- MapEF.Bind(anEdge, aFace);
- Edges.Append(anEdge);
- }
- }
- }
+ TopoDS_Wire aWire = TopoDS::Wire(itf.Value());
+ for (Wexp.Init(aWire, aFace); Wexp.More(); Wexp.Next())
+ {
+ TopoDS_Edge anEdge = Wexp.Current();
+ if (BRep_Tool::Degenerated(anEdge))
+ continue;
+ const BRepOffset_ListOfInterval& Lint = Analyser.Type(anEdge);
+ if (!Lint.IsEmpty() && Lint.First().Type() == ChFiDS_FreeBound)
+ {
+ MapEF.Bind(anEdge, aFace);
+ Edges.Append(anEdge);
+ }
+ }
}
+ }
TopTools_ListIteratorOfListOfShape itl;
while (!Edges.IsEmpty())
TopTools_ListOfShape aContour;
aContour.Append(StartEdge);
while (!CurVertex.IsSame(StartVertex))
- for (itl.Initialize(Edges); itl.More(); itl.Next())
- {
- TopoDS_Edge anEdge = TopoDS::Edge(itl.Value());
- TopoDS_Vertex V1, V2;
- TopExp::Vertices(anEdge, V1, V2);
- if (V1.IsSame(CurVertex) || V2.IsSame(CurVertex))
- {
- aContour.Append(anEdge);
- CurVertex = (V1.IsSame(CurVertex))? V2 : V1;
- Edges.Remove(itl);
- break;
- }
- }
- Contours.Bind(StartVertex, aContour);
+ for (itl.Initialize(Edges); itl.More(); itl.Next())
+ {
+ TopoDS_Edge anEdge = TopoDS::Edge(itl.Value());
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices(anEdge, V1, V2);
+ if (V1.IsSame(CurVertex) || V2.IsSame(CurVertex))
+ {
+ aContour.Append(anEdge);
+ CurVertex = (V1.IsSame(CurVertex))? V2 : V1;
+ Edges.Remove(itl);
+ break;
+ }
+ }
+ Contours.Add(StartVertex, aContour);
}
}
-
//
//-----------------------------------------------------------------------
//
//=======================================================================
BRepOffset_MakeOffset::BRepOffset_MakeOffset(const TopoDS_Shape& S,
- const Standard_Real Offset,
- const Standard_Real Tol,
- const BRepOffset_Mode Mode,
- const Standard_Boolean Inter,
- const Standard_Boolean SelfInter,
- const GeomAbs_JoinType Join,
- const Standard_Boolean Thickening)
+ const Standard_Real Offset,
+ const Standard_Real Tol,
+ const BRepOffset_Mode Mode,
+ const Standard_Boolean Inter,
+ const Standard_Boolean SelfInter,
+ const GeomAbs_JoinType Join,
+ const Standard_Boolean Thickening,
+ const Standard_Boolean RemoveIntEdges)
:
myOffset (Offset),
myTol (Tol),
myInter (Inter),
mySelfInter (SelfInter),
myJoin (Join),
-myThickening (Thickening),
+myThickening (Thickening),
+myRemoveIntEdges(RemoveIntEdges),
myDone (Standard_False)
-
{
myAsDes = new BRepAlgo_AsDes();
MakeOffsetShape();
//=======================================================================
void BRepOffset_MakeOffset::Initialize(const TopoDS_Shape& S,
- const Standard_Real Offset,
- const Standard_Real Tol,
- const BRepOffset_Mode Mode,
- const Standard_Boolean Inter,
- const Standard_Boolean SelfInter,
- const GeomAbs_JoinType Join,
- const Standard_Boolean Thickening)
+ const Standard_Real Offset,
+ const Standard_Real Tol,
+ const BRepOffset_Mode Mode,
+ const Standard_Boolean Inter,
+ const Standard_Boolean SelfInter,
+ const GeomAbs_JoinType Join,
+ const Standard_Boolean Thickening,
+ const Standard_Boolean RemoveIntEdges)
{
myOffset = Offset;
myShape = S;
myInter = Inter;
mySelfInter = SelfInter;
myJoin = Join;
- myThickening = Thickening;
+ myThickening = Thickening;
+ myRemoveIntEdges = RemoveIntEdges;
myDone = Standard_False;
+ myIsPerformSewing = Standard_False;
+ myIsPlanar = Standard_False;
Clear();
}
myFaceOffset .Clear();
myAsDes ->Clear();
myDone = Standard_False;
+ myGenerated.Clear();
+ myResMap.Clear();
}
//=======================================================================
//=======================================================================
void BRepOffset_MakeOffset::SetOffsetOnFace(const TopoDS_Face& F,
- const Standard_Real Off)
+ const Standard_Real Off)
{
if ( myFaceOffset.IsBound(F)) myFaceOffset.UnBind(F);
myFaceOffset.Bind(F,Off);
//=======================================================================
static void RemoveCorks (TopoDS_Shape& S,
- TopTools_IndexedMapOfShape& Faces)
+ TopTools_IndexedMapOfShape& Faces)
{
TopoDS_Compound SS;
BRep_Builder B;
B.Add(SS,Cork);
}
else {
- //Faces.Remove (Cork);
- //begin instead of Remove//
- TopoDS_Shape LastShape = Faces(Faces.Extent());
- Faces.RemoveLast();
- if (Faces.FindIndex(Cork) != 0)
- Faces.Substitute(Faces.FindIndex(Cork), LastShape);
- //end instead of Remove //
+ Faces.RemoveKey(Cork);
Faces.Add(Cork); // to reset it with proper orientation.
}
}
}
+//=======================================================================
+//function : IsConnectedShell
+//purpose :
+//=======================================================================
static Standard_Boolean IsConnectedShell( const TopoDS_Shape& S )
{
BRepTools_Quilt Glue;
//=======================================================================
static void MakeList (TopTools_ListOfShape& OffsetFaces,
- const BRepAlgo_Image& myInitOffsetFace,
- const TopTools_IndexedMapOfShape& myFaces)
+ const BRepAlgo_Image& myInitOffsetFace,
+ const TopTools_IndexedMapOfShape& myFaces)
{
TopTools_ListIteratorOfListOfShape itLOF(myInitOffsetFace.Roots());
for ( ; itLOF.More(); itLOF.Next()) {
const TopoDS_Shape& Root = itLOF.Value();
- if (!myFaces.Contains(Root))
- OffsetFaces.Append(myInitOffsetFace.Image(Root).First());
+ if (!myFaces.Contains(Root)) {
+ if (myInitOffsetFace.HasImage(Root)) {
+ TopTools_ListIteratorOfListOfShape aItLS(myInitOffsetFace.Image(Root));
+ for (; aItLS.More(); aItLS.Next()) {
+ OffsetFaces.Append(aItLS.Value());
+ }
+ }
+ }
}
}
}
}
+
//=======================================================================
//function : MakeOffsetShape
//purpose :
void BRepOffset_MakeOffset::MakeOffsetShape()
{
- myDone = Standard_False;
+ myDone = Standard_False;
+ //
+ // check if shape consists of only planar faces
+ myIsPlanar = IsPlanar(myShape);
//------------------------------------------
// Construction of myShape without caps.
//------------------------------------------
{
RemoveCorks (myShape,myFaces);
}
-
- if (! IsConnectedShell(myShape))
- Standard_ConstructionError::Raise("BRepOffset_MakeOffset : Incorrect set of faces to remove, the remaining shell is not connected");
-
- if (Abs(myOffset) < myTol) return;
+ if (!CheckInputData())
+ {
+ // There is error in input data.
+ // Check Error() method.
+ return;
+ }
+ myError = BRepOffset_NoError;
TopAbs_State Side = TopAbs_IN;
if (myOffset < 0.) Side = TopAbs_OUT;
+
// ------------
// Preanalyse.
// ------------
EvalMax(myShape,myTol);
// There are possible second variant: analytical continuation of arcsin.
- Standard_Real TolAngleCoeff = Min(myTol/Abs(myOffset*0.5), 1.0);
+ Standard_Real TolAngleCoeff = Min(myTol / (Abs(myOffset * 0.5) + Precision::Confusion()), 1.0);
Standard_Real TolAngle = 4*ASin(TolAngleCoeff);
+ if ((myJoin == GeomAbs_Intersection) && myInter && myIsPlanar)
+ {
+ myAnalyse.SetOffsetValue (myOffset);
+ myAnalyse.SetFaceOffsetMap (myFaceOffset);
+ }
myAnalyse.Perform(myShape,TolAngle);
//---------------------------------------------------
// Construction of Offset from preanalysis.
BuildOffsetByArc();
else if (myJoin == GeomAbs_Intersection)
BuildOffsetByInter();
+ if (myError != BRepOffset_NoError)
+ {
+ return;
+ }
//-----------------
// Auto unwinding.
//-----------------
// Construction of shells.
//-------------------------
MakeShells ();
+ if (myOffsetShape.IsNull()) {
+ // not done
+ myDone = Standard_False;
+ return;
+ }
//--------------
// Unwinding 3D.
//--------------
SelectShells ();
//----------------------------------
+ // Remove INTERNAL edges if necessary
+ //----------------------------------
+ if (myRemoveIntEdges) {
+ RemoveInternalEdges();
+ }
+ //----------------------------------
// Coding of regularities.
//----------------------------------
EncodeRegularity();
+ //----------------------------------
+ // Replace roots in history maps
+ //----------------------------------
+ ReplaceRoots();
//----------------------
// Creation of solids.
//----------------------
CorrectConicalFaces();
+ // Result solid should be computed in MakeOffset scope.
+ if (myThickening &&
+ myIsPerformSewing)
+ {
+ BRepBuilderAPI_Sewing aSew(myTol);
+ aSew.Add(myOffsetShape);
+ aSew.Perform();
+ myOffsetShape = aSew.SewedShape();
+
+ // Rebuild solid.
+ // Offset shape expected to be really closed after sewing.
+ myOffsetShape.Closed(Standard_True);
+ MakeSolid();
+ }
+
myDone = Standard_True;
}
//--------------------------------------------------------------
MakeOffsetShape ();
+ if (!myDone)
+ {
+ // Save return code and myDone state.
+ return;
+ }
+
//--------------------------------------------------------------------
// Construction of a solid with the initial shell, parallel shell
// limited by caps.
//--------------------------------------------------------------------
- if (!myFaces.IsEmpty()) {
+ if (!myFaces.IsEmpty())
+ {
TopoDS_Solid Res;
TopExp_Explorer exp;
BRep_Builder B;
B.MakeSolid(Res);
BRepTools_Quilt Glue;
- for (exp.Init(myShape,TopAbs_FACE); exp.More(); exp.Next()) {
+ for (exp.Init(myShape,TopAbs_FACE); exp.More(); exp.Next())
+ {
NbF++;
Glue.Add (exp.Current());
}
#ifdef OCCT_DEBUG
if(YaResult == 0)
{
- cout << "OffsetShape does not contain a FACES." << endl;
+ std::cout << "OffsetShape does not contain a FACES." << std::endl;
}
#endif
}
#ifdef OCCT_DEBUG
else
{
- cout << "OffsetShape is null!" << endl;
+ std::cout << "OffsetShape is null!" << std::endl;
}
#endif
if (YaResult == 0)
{
myDone = Standard_False;
+ myError = BRepOffset_UnknownError;
return;
}
myOffsetShape = Glue.Shells();
- for (exp.Init(myOffsetShape,TopAbs_SHELL); exp.More(); exp.Next()) {
+ for (exp.Init(myOffsetShape,TopAbs_SHELL); exp.More(); exp.Next())
+ {
B.Add(Res,exp.Current());
}
Res.Closed(Standard_True);
// Test of Validity of the result of thick Solid
// more face than the initial solid.
-
Standard_Integer NbOF = 0;
- for (exp.Init(myOffsetShape,TopAbs_FACE);exp.More(); exp.Next()) {
+ for (exp.Init(myOffsetShape,TopAbs_FACE);exp.More(); exp.Next())
+ {
NbOF++;
}
- if (NbOF <= NbF) {
+ if (NbOF <= NbF)
+ {
myDone = Standard_False;
+ myError = BRepOffset_UnknownError;
return;
}
}
- if (myOffset > 0 ) myOffsetShape.Reverse();
+ if (myOffset > 0 ) myOffsetShape.Reverse();
myDone = Standard_True;
}
}
//=======================================================================
-//function : TrimEdge
-//purpose : Trim the edge of the largest of descendants in AsDes2d.
-// Order in AsDes two vertices that have trimmed the edge.
+//function : MakeOffsetFaces
+//purpose :
//=======================================================================
-
-static void TrimEdge (TopoDS_Edge& NE,
- const Handle(BRepAlgo_AsDes)& AsDes2d,
- Handle(BRepAlgo_AsDes)& AsDes)
+void BRepOffset_MakeOffset::MakeOffsetFaces(BRepOffset_DataMapOfShapeOffset& theMapSF)
{
- Standard_Real aSameParTol = Precision::Confusion();
-
- TopoDS_Vertex V1,V2;
- Standard_Real U = 0.;
- Standard_Real UMin = Precision::Infinite();
- Standard_Real UMax = -UMin;
-
- const TopTools_ListOfShape& LE = AsDes2d->Descendant(NE);
-
- if (LE.Extent() > 1) {
- TopTools_ListIteratorOfListOfShape it (LE);
- for (; it.More(); it.Next()) {
- TopoDS_Vertex V = TopoDS::Vertex(it.Value());
- if (NE.Orientation() == TopAbs_REVERSED)
- V.Reverse();
- //V.Orientation(TopAbs_INTERNAL);
- if (!FindParameter(V, NE, U))
- {
- Standard_Real f, l;
- Handle(Geom_Curve) theCurve = BRep_Tool::Curve(NE, f, l);
- gp_Pnt thePoint = BRep_Tool::Pnt(V);
- GeomAPI_ProjectPointOnCurve Projector(thePoint, theCurve);
- if (Projector.NbPoints() == 0)
- Standard_ConstructionError::Raise("BRepOffset_MakeOffset::TrimEdge no projection");
- U = Projector.LowerDistanceParameter();
- }
- if (U < UMin) {
- UMin = U; V1 = V;
- }
- if (U > UMax) {
- UMax = U; V2 = V;
+ Standard_Real aCurOffset;
+ TopTools_ListOfShape aLF;
+ TopTools_DataMapOfShapeShape ShapeTgt;
+ TopTools_ListIteratorOfListOfShape aItLF;
+ //
+ Standard_Boolean OffsetOutside = (myOffset > 0.);
+ //
+ BRepLib::SortFaces(myShape, aLF);
+ //
+ aItLF.Initialize(aLF);
+ for (; aItLF.More(); aItLF.Next()) {
+ const TopoDS_Face& aF = TopoDS::Face(aItLF.Value());
+ aCurOffset = myFaceOffset.IsBound(aF) ? myFaceOffset(aF) : myOffset;
+ BRepOffset_Offset OF(aF, aCurOffset, ShapeTgt, OffsetOutside, myJoin);
+ TopTools_ListOfShape Let;
+ myAnalyse.Edges(aF,ChFiDS_Tangential,Let);
+ TopTools_ListIteratorOfListOfShape itl(Let);
+ for (; itl.More(); itl.Next()) {
+ const TopoDS_Edge& Cur = TopoDS::Edge(itl.Value());
+ if ( !ShapeTgt.IsBound(Cur) && !myAnalyse.HasGenerated (Cur)) {
+ TopoDS_Shape aLocalShape = OF.Generated(Cur);
+ const TopoDS_Edge& OTE = TopoDS::Edge(aLocalShape);
+ ShapeTgt.Bind(Cur,OF.Generated(Cur));
+ TopoDS_Vertex V1,V2,OV1,OV2;
+ TopExp::Vertices (Cur,V1,V2);
+ TopExp::Vertices (OTE,OV1,OV2);
+ TopTools_ListOfShape LE;
+ if (!ShapeTgt.IsBound(V1)) {
+ myAnalyse.Edges(V1,ChFiDS_Tangential,LE);
+ const TopTools_ListOfShape& LA =myAnalyse.Ancestors(V1);
+ if (LE.Extent() == LA.Extent())
+ ShapeTgt.Bind(V1,OV1);
+ }
+ if (!ShapeTgt.IsBound(V2)) {
+ LE.Clear();
+ myAnalyse.Edges(V2,ChFiDS_Tangential,LE);
+ const TopTools_ListOfShape& LA =myAnalyse.Ancestors(V2);
+ if (LE.Extent() == LA.Extent())
+ ShapeTgt.Bind(V2,OV2);
+ }
}
}
- if (V1.IsNull() || V2.IsNull()) {
- Standard_ConstructionError::Raise("BRepOffset_MakeOffset::TrimEdge");
- }
- if (!V1.IsSame(V2)) {
- NE.Free( Standard_True );
- BRep_Builder B;
- TopAbs_Orientation Or = NE.Orientation();
- NE.Orientation(TopAbs_FORWARD);
- TopoDS_Vertex VF,VL;
- TopExp::Vertices (NE,VF,VL);
- B.Remove(NE,VF);
- B.Remove(NE,VL);
- B.Add (NE,V1.Oriented(TopAbs_FORWARD));
- B.Add (NE,V2.Oriented(TopAbs_REVERSED));
- B.Range(NE,UMin,UMax);
- NE.Orientation(Or);
- AsDes->Add(NE,V1.Oriented(TopAbs_FORWARD));
- AsDes->Add(NE,V2.Oriented(TopAbs_REVERSED));
- BRepLib::SameParameter(NE, aSameParTol, Standard_True);
- }
+ theMapSF.Bind(aF,OF);
+ }
+ //
+ const TopTools_ListOfShape& aNewFaces = myAnalyse.NewFaces();
+ for (TopTools_ListOfShape::Iterator it (aNewFaces); it.More(); it.Next())
+ {
+ const TopoDS_Face& aF = TopoDS::Face (it.Value());
+ BRepOffset_Offset OF(aF, 0.0, ShapeTgt, OffsetOutside, myJoin);
+ theMapSF.Bind (aF, OF);
}
}
{
#ifdef OCCT_DEBUG
if ( ChronBuild) {
- cout << " CONSTRUCTION OF OFFSETS :" << endl;
+ std::cout << " CONSTRUCTION OF OFFSETS :" << std::endl;
Clock.Reset();
Clock.Start();
}
#endif
- BRepOffset_DataMapOfShapeOffset MapSF;
- TopTools_MapOfShape Done;
- Standard_Boolean OffsetOutside = (myOffset > 0.)? Standard_True : Standard_False;
+ TopExp_Explorer Exp, Exp2, ExpC;
+ TopTools_ListIteratorOfListOfShape itLF;
+
//--------------------------------------------------------
// Construction of faces parallel to initial faces
//--------------------------------------------------------
- TopExp_Explorer Exp;
- TopTools_ListOfShape LF;
- TopTools_ListIteratorOfListOfShape itLF;
-
- BRepLib::SortFaces(myShape,LF);
-
- TopTools_DataMapOfShapeShape ShapeTgt;
- for (itLF.Initialize(LF); itLF.More(); itLF.Next()) {
- const TopoDS_Face& F = TopoDS::Face(itLF.Value());
- Standard_Real CurOffset = myOffset;
- if (myFaceOffset.IsBound(F)) CurOffset = myFaceOffset(F);
- BRepOffset_Offset OF(F,CurOffset,ShapeTgt,OffsetOutside,myJoin);
- TopTools_ListOfShape Let;
- myAnalyse.Edges(F,BRepOffset_Tangent,Let);
- TopTools_ListIteratorOfListOfShape itl(Let);
-
- for ( ; itl.More(); itl.Next()) {
- const TopoDS_Edge& Cur = TopoDS::Edge(itl.Value());
- if ( !ShapeTgt.IsBound(Cur)) {
- TopoDS_Shape aLocalShape = OF.Generated(Cur);
- const TopoDS_Edge& OTE = TopoDS::Edge(aLocalShape);
-// const TopoDS_Edge& OTE = TopoDS::Edge(OF.Generated(Cur));
- ShapeTgt.Bind(Cur,OF.Generated(Cur));
- TopoDS_Vertex V1,V2,OV1,OV2;
- TopExp::Vertices (Cur,V1,V2);
- TopExp::Vertices (OTE,OV1,OV2);
- TopTools_ListOfShape LE;
- if (!ShapeTgt.IsBound(V1)) {
- myAnalyse.Edges(V1,BRepOffset_Tangent,LE);
- const TopTools_ListOfShape& LA =myAnalyse.Ancestors(V1);
- if (LE.Extent() == LA.Extent())
- ShapeTgt.Bind(V1,OV1);
- }
- if (!ShapeTgt.IsBound(V2)) {
- LE.Clear();
- myAnalyse.Edges(V2,BRepOffset_Tangent,LE);
- const TopTools_ListOfShape& LA =myAnalyse.Ancestors(V2);
- if (LE.Extent() == LA.Extent())
- ShapeTgt.Bind(V2,OV2);
- }
- }
- }
- MapSF.Bind(F,OF);
- }
+ BRepOffset_DataMapOfShapeOffset MapSF;
+ MakeOffsetFaces(MapSF);
//--------------------------------------------------------------------
// MES : Map of OffsetShape -> Extended Shapes.
// Build : Map of Initial SS -> OffsetShape build by Inter.
BRepOffset_Inter3d Inter3 (AsDes,Side,myTol);
// Intersection between parallel faces
- Inter3.ConnexIntByInt(myShape,MapSF,myAnalyse,MES,Build,Failed );
+ Inter3.ConnexIntByInt(myShape,MapSF,myAnalyse,MES,Build,Failed,myIsPlanar);
// Intersection with caps.
- Inter3.ContextIntByInt(myFaces,ExtentContext,MapSF,myAnalyse,MES,Build,Failed );
-
+ Inter3.ContextIntByInt(myFaces,ExtentContext,MapSF,myAnalyse,MES,Build,Failed,myIsPlanar);
+ TopTools_ListOfShape aLFaces;
+ for (Exp.Init(myShape,TopAbs_FACE) ; Exp.More(); Exp.Next())
+ aLFaces.Append (Exp.Current());
+ for (TopTools_ListOfShape::Iterator it (myAnalyse.NewFaces()); it.More(); it.Next())
+ aLFaces.Append (it.Value());
//---------------------------------------------------------------------------------
// Extension of neighbor edges of new edges and intersection between neighbors.
//--------------------------------------------------------------------------------
Handle(BRepAlgo_AsDes) AsDes2d = new BRepAlgo_AsDes();
- for (Exp.Init(myShape,TopAbs_FACE) ; Exp.More(); Exp.Next()) {
- const TopoDS_Face& FI = TopoDS::Face(Exp.Current());
-// Modified by skv - Mon Jan 12 11:50:02 2004 OCC4455 Begin
-// BRepOffset_Inter2d::ConnexIntByInt (FI,MapSF(FI),MES,Build,AsDes2d,myTol);
- BRepOffset_Inter2d::ConnexIntByInt (FI,MapSF(FI),MES,Build,AsDes2d,myOffset, myTol);
-// Modified by skv - Mon Jan 12 11:50:03 2004 OCC4455 End
+ IntersectEdges(aLFaces, MapSF, MES, Build, AsDes, AsDes2d);
+ if (myError != BRepOffset_NoError)
+ {
+ return;
}
//-----------------------------------------------------------
// Great restriction of new edges and update of AsDes.
//------------------------------------------ ----------------
+ TopTools_DataMapOfShapeListOfShape anEdgesOrigins; // offset edge - initial edges
TopTools_IndexedMapOfShape NewEdges;
- TopExp_Explorer Exp2,ExpC;
- TopoDS_Shape NE;
- TopoDS_Edge TNE;
- TopoDS_Face NF;
-
- for (Exp.Init(myShape,TopAbs_FACE) ; Exp.More(); Exp.Next()) {
- const TopoDS_Face& FI = TopoDS::Face(Exp.Current());
- NF = MapSF(FI).Face();
- if (MES.IsBound(NF)) {NF = TopoDS::Face(MES(NF));}
- TopTools_MapOfShape View;
- for (Exp2.Init(FI.Oriented(TopAbs_FORWARD),TopAbs_EDGE); Exp2.More(); Exp2.Next()) {
- const TopoDS_Edge& EI = TopoDS::Edge(Exp2.Current());
- if (View.Add(EI)) {
- if (Build.IsBound(EI)) {
- NE = Build(EI);
- if (NE.ShapeType() == TopAbs_EDGE) {
- if (NewEdges.Add(NE)) {TrimEdge (TopoDS::Edge(NE),AsDes2d,AsDes);}
- }
- else {
- //------------------------------------------------------------
- // The Intersections are on several edges.
- // The pieces without intersections with neighbors
- // are removed from AsDes.
- //------------------------------------------------------------
- for (ExpC.Init(NE,TopAbs_EDGE); ExpC.More(); ExpC.Next()) {
- if (NewEdges.Add(ExpC.Current())) {
- TopoDS_Edge NEC = TopoDS::Edge(ExpC.Current());
- NEC.Free(Standard_True);
- if (!AsDes2d->Descendant(NEC).IsEmpty()) {
- TrimEdge (NEC,AsDes2d,AsDes);
- }
- else {
- AsDes->Remove(NEC);
- }
- }
- }
- }
- }
- else {
- NE = MapSF(FI).Generated(EI);
- //// modified by jgv, 19.12.03 for OCC4455 ////
- NE.Orientation( EI.Orientation() );
- ///////////////////////////////////////////////
- if (MES.IsBound(NE)) {
- NE = MES(NE);
- NE.Orientation(EI.Orientation());
- if (NewEdges.Add(NE)) {TrimEdge (TopoDS::Edge(NE),AsDes2d,AsDes);}
- }
- AsDes->Add(NF,NE);
- }
- }
- }
+ TopTools_DataMapOfShapeShape aETrimEInf; // trimmed - not trimmed edges
+ //
+ //Map of edges obtained after FACE-FACE (offsetted) intersection.
+ //Key1 is edge trimmed by intersection points with other edges;
+ //Item is not-trimmed edge.
+ if (!TrimEdges(myShape, myOffset, myAnalyse, MapSF, MES, Build, AsDes, AsDes2d, NewEdges, aETrimEInf, anEdgesOrigins))
+ {
+ myError = BRepOffset_CannotTrimEdges;
+ return;
}
-
+ //
//---------------------------------
// Intersection 2D on //
//---------------------------------
+ TopTools_IndexedDataMapOfShapeListOfShape aDMVV;
+ TopTools_DataMapOfShapeShape aFacesOrigins; // offset face - initial face
TopTools_ListOfShape LFE;
BRepAlgo_Image IMOE;
- for (Exp.Init(myShape,TopAbs_FACE) ; Exp.More(); Exp.Next()) {
- const TopoDS_Shape& FI = Exp.Current();
- const TopoDS_Shape& OFI = MapSF(FI).Face();
- if (MES.IsBound(OFI)) {
- const TopoDS_Face& NF = TopoDS::Face(MES(OFI));
- LFE.Append(NF);
- IMOE.SetRoot(NF);
- }
- }
-
+ GetEnlargedFaces(aLFaces, MapSF, MES, aFacesOrigins, IMOE, LFE);
+ //
TopTools_ListIteratorOfListOfShape itLFE(LFE);
- for (; itLFE.More(); itLFE.Next()) {
+ for (; itLFE.More(); itLFE.Next())
+ {
const TopoDS_Face& NEF = TopoDS::Face(itLFE.Value());
- BRepOffset_Inter2d::Compute(AsDes,NEF,NewEdges,myTol);
+ Standard_Real aCurrFaceTol = BRep_Tool::Tolerance(NEF);
+ BRepOffset_Inter2d::Compute(AsDes, NEF, NewEdges, aCurrFaceTol, aDMVV);
}
//----------------------------------------------
// Intersections 2d on caps.
//----------------------------------------------
Standard_Integer i;
- for (i = 1; i <= myFaces.Extent(); i++) {
+ for (i = 1; i <= myFaces.Extent(); i++)
+ {
const TopoDS_Face& Cork = TopoDS::Face(myFaces(i));
- BRepOffset_Inter2d::Compute(AsDes,Cork,NewEdges,myTol);
+ Standard_Real aCurrFaceTol = BRep_Tool::Tolerance(Cork);
+ BRepOffset_Inter2d::Compute(AsDes, Cork, NewEdges, aCurrFaceTol, aDMVV);
}
-
+ //
+ BRepOffset_Inter2d::FuseVertices(aDMVV, AsDes);
//-------------------------------
// Unwinding of extended Faces.
//-------------------------------
- myMakeLoops.Build(LFE ,AsDes,IMOE);
-
+ //
+ TopTools_MapOfShape aMFDone;
+ //
+ if ((myJoin == GeomAbs_Intersection) && myInter && myIsPlanar) {
+ BuildSplitsOfExtendedFaces(LFE, myAnalyse, AsDes, anEdgesOrigins, aFacesOrigins, aETrimEInf, IMOE);
+ //
+ TopTools_ListIteratorOfListOfShape aItLF(LFE);
+ for (; aItLF.More(); aItLF.Next()) {
+ const TopoDS_Shape& aS = aItLF.Value();
+ aMFDone.Add(aS);
+ }
+ }
+ else {
+ myMakeLoops.Build(LFE, AsDes, IMOE);
+ }
+ //
#ifdef OCCT_DEBUG
TopTools_IndexedMapOfShape COES;
#endif
//---------------------------
// MAJ SD. for faces //
//---------------------------
- for (Exp.Init(myShape,TopAbs_FACE) ; Exp.More(); Exp.Next()) {
- const TopoDS_Shape& FI = Exp.Current();
+ for (TopTools_ListOfShape::Iterator it (aLFaces); it.More(); it.Next())
+ {
+ const TopoDS_Shape& FI = it.Value();
myInitOffsetFace.SetRoot(FI);
TopoDS_Face OF = MapSF(FI).Face();
if (MES.IsBound(OF)) {
OF = TopoDS::Face(MES(OF));
if (IMOE.HasImage(OF)) {
- const TopTools_ListOfShape& LOFE = IMOE.Image(OF);
- myInitOffsetFace.Bind(FI,LOFE);
- for (itLF.Initialize(LOFE); itLF.More(); itLF.Next()) {
- const TopoDS_Shape& OFE = itLF.Value();
- myImageOffset.SetRoot(OFE);
+ const TopTools_ListOfShape& LOFE = IMOE.Image(OF);
+ myInitOffsetFace.Bind(FI,LOFE);
+ for (itLF.Initialize(LOFE); itLF.More(); itLF.Next()) {
+ const TopoDS_Shape& OFE = itLF.Value();
+ myImageOffset.SetRoot(OFE);
#ifdef DRAW
- if (AffichInt2d) {
- sprintf(name,"AF_%d",NbAF++);
- DBRep::Set(name,OFE);
- }
+ if (AffichInt2d) {
+ sprintf(name,"AF_%d",NbAF++);
+ DBRep::Set(name,OFE);
+ }
#endif
- TopTools_MapOfShape View;
- for (Exp2.Init(OFE.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
- Exp2.More(); Exp2.Next()) {
- const TopoDS_Edge& COE = TopoDS::Edge(Exp2.Current());
-
- myAsDes->Add (OFE,COE);
+ TopTools_MapOfShape View;
+ for (Exp2.Init(OFE.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
+ Exp2.More(); Exp2.Next()) {
+ const TopoDS_Edge& COE = TopoDS::Edge(Exp2.Current());
+
+ myAsDes->Add (OFE,COE);
#ifdef DRAW
- if (AffichInt2d) {
- sprintf(name,"AE_%d",NbAE++);
- DBRep::Set(name,COE);
- COES.Add(COE);
- }
+ if (AffichInt2d) {
+ sprintf(name,"AE_%d",NbAE++);
+ DBRep::Set(name,COE);
+ COES.Add(COE);
+ }
#endif
- if (View.Add(COE)){
- if (!myAsDes->HasDescendant(COE)) {
- TopoDS_Vertex CV1,CV2;
- TopExp::Vertices(COE,CV1,CV2);
- if (!CV1.IsNull()) myAsDes->Add(COE,CV1.Oriented(TopAbs_FORWARD));
- if (!CV2.IsNull()) myAsDes->Add(COE,CV2.Oriented(TopAbs_REVERSED));
- }
- }
- }
- }
+ if (View.Add(COE)){
+ if (!myAsDes->HasDescendant(COE)) {
+ TopoDS_Vertex CV1,CV2;
+ TopExp::Vertices(COE,CV1,CV2);
+ if (!CV1.IsNull()) myAsDes->Add(COE,CV1.Oriented(TopAbs_FORWARD));
+ if (!CV2.IsNull()) myAsDes->Add(COE,CV2.Oriented(TopAbs_REVERSED));
+ }
+ }
+ }
+ }
}
else {
- myInitOffsetFace.Bind(FI,OF);
- myImageOffset.SetRoot(OF);
+ if (aMFDone.Contains(OF)) {
+ continue;
+ }
+ //
+ myInitOffsetFace.Bind(FI,OF);
+ myImageOffset.SetRoot(OF);
#ifdef DRAW
- if (AffichInt2d) {
- sprintf(name,"AF_%d",NbAF++);
- DBRep::Set(name,OF);
- }
+ if (AffichInt2d) {
+ sprintf(name,"AF_%d",NbAF++);
+ DBRep::Set(name,OF);
+ }
#endif
- const TopTools_ListOfShape& LE = AsDes->Descendant(OF);
- for (itLF.Initialize(LE) ; itLF.More(); itLF.Next()) {
- const TopoDS_Edge& OE = TopoDS::Edge(itLF.Value());
- if (IMOE.HasImage(OE)) {
- const TopTools_ListOfShape& LOE = IMOE.Image(OE);
- TopTools_ListIteratorOfListOfShape itLOE(LOE);
- for (; itLOE.More(); itLOE.Next()) {
- TopoDS_Shape aLocalShape = itLOE.Value().Oriented(OE.Orientation());
- const TopoDS_Edge& COE = TopoDS::Edge(aLocalShape);
-// const TopoDS_Edge& COE = TopoDS::Edge(itLOE.Value().Oriented(OE.Orientation()));
- myAsDes->Add(OF,COE);
+ const TopTools_ListOfShape& LE = AsDes->Descendant(OF);
+ for (itLF.Initialize(LE) ; itLF.More(); itLF.Next()) {
+ const TopoDS_Edge& OE = TopoDS::Edge(itLF.Value());
+ if (IMOE.HasImage(OE)) {
+ const TopTools_ListOfShape& LOE = IMOE.Image(OE);
+ TopTools_ListIteratorOfListOfShape itLOE(LOE);
+ for (; itLOE.More(); itLOE.Next()) {
+ TopoDS_Shape aLocalShape = itLOE.Value().Oriented(OE.Orientation());
+ const TopoDS_Edge& COE = TopoDS::Edge(aLocalShape);
+// const TopoDS_Edge& COE = TopoDS::Edge(itLOE.Value().Oriented(OE.Orientation()));
+ myAsDes->Add(OF,COE);
#ifdef DRAW
- if (AffichInt2d) {
- sprintf(name,"AE_%d",NbAE++);
- DBRep::Set(name,COE);
- COES.Add(COE);
- }
+ if (AffichInt2d) {
+ sprintf(name,"AE_%d",NbAE++);
+ DBRep::Set(name,COE);
+ COES.Add(COE);
+ }
#endif
-
- if (!myAsDes->HasDescendant(COE)) {
- TopoDS_Vertex CV1,CV2;
- TopExp::Vertices(COE,CV1,CV2);
- if (!CV1.IsNull()) myAsDes->Add(COE,CV1.Oriented(TopAbs_FORWARD));
- if (!CV2.IsNull()) myAsDes->Add(COE,CV2.Oriented(TopAbs_REVERSED));
- }
- }
- }
- else {
- myAsDes->Add(OF,OE);
+
+ if (!myAsDes->HasDescendant(COE)) {
+ TopoDS_Vertex CV1,CV2;
+ TopExp::Vertices(COE,CV1,CV2);
+ if (!CV1.IsNull()) myAsDes->Add(COE,CV1.Oriented(TopAbs_FORWARD));
+ if (!CV2.IsNull()) myAsDes->Add(COE,CV2.Oriented(TopAbs_REVERSED));
+ }
+ }
+ }
+ else {
+ myAsDes->Add(OF,OE);
#ifdef DRAW
- if (AffichInt2d) {
- sprintf(name,"AE_%d",NbAE++);
- DBRep::Set(name,OE);
- COES.Add(OE);
- }
+ if (AffichInt2d) {
+ sprintf(name,"AE_%d",NbAE++);
+ DBRep::Set(name,OE);
+ COES.Add(OE);
+ }
#endif
- const TopTools_ListOfShape& LV = AsDes->Descendant(OE);
- myAsDes->Add(OE,LV);
- }
- }
+ const TopTools_ListOfShape& LV = AsDes->Descendant(OE);
+ myAsDes->Add(OE,LV);
+ }
+ }
}
}
else {
myImageOffset.SetRoot(OF);
TopTools_MapOfShape View;
for (Exp2.Init(OF.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
- Exp2.More(); Exp2.Next()) {
+ Exp2.More(); Exp2.Next()) {
- const TopoDS_Edge& COE = TopoDS::Edge(Exp2.Current());
- myAsDes->Add (OF,COE);
+ const TopoDS_Edge& COE = TopoDS::Edge(Exp2.Current());
+ myAsDes->Add (OF,COE);
#ifdef DRAW
- if (AffichInt2d) {
- sprintf(name,"AE_%d",NbAE++);
- DBRep::Set(name,COE);
- COES.Add(COE);
- }
+ if (AffichInt2d) {
+ sprintf(name,"AE_%d",NbAE++);
+ DBRep::Set(name,COE);
+ COES.Add(COE);
+ }
#endif
-
- if (View.Add(Exp2.Current())) {
- if (!myAsDes->HasDescendant(COE)) {
- TopoDS_Vertex CV1,CV2;
- TopExp::Vertices(COE,CV1,CV2);
- if (!CV1.IsNull()) myAsDes->Add(COE,CV1.Oriented(TopAbs_FORWARD));
- if (!CV2.IsNull()) myAsDes->Add(COE,CV2.Oriented(TopAbs_REVERSED));
- }
- }
+
+ if (View.Add(Exp2.Current())) {
+ if (!myAsDes->HasDescendant(COE)) {
+ TopoDS_Vertex CV1,CV2;
+ TopExp::Vertices(COE,CV1,CV2);
+ if (!CV1.IsNull()) myAsDes->Add(COE,CV1.Oriented(TopAbs_FORWARD));
+ if (!CV2.IsNull()) myAsDes->Add(COE,CV2.Oriented(TopAbs_REVERSED));
+ }
+ }
}
}
}
// Add methods for supporting history.
TopTools_MapOfShape aMapEdges;
- for (Exp.Init(myShape,TopAbs_FACE) ; Exp.More(); Exp.Next()) {
- const TopoDS_Shape& aFaceRef = Exp.Current();
-
+ for (TopTools_ListOfShape::Iterator it (aLFaces); it.More(); it.Next())
+ {
+ const TopoDS_Shape& aFaceRef = it.Value();
Exp2.Init(aFaceRef.Oriented(TopAbs_FORWARD), TopAbs_EDGE);
for (; Exp2.More(); Exp2.Next()) {
const TopoDS_Shape& anEdgeRef = Exp2.Current();
if (aMapEdges.Add(anEdgeRef)) {
- myInitOffsetEdge.SetRoot(anEdgeRef);
- if (Build.IsBound(anEdgeRef)) {
- TopoDS_Shape aNewShape = Build(anEdgeRef);
-
- if (aNewShape.ShapeType() == TopAbs_EDGE) {
- if (IMOE.HasImage(aNewShape)) {
- const TopTools_ListOfShape& aListNewE = IMOE.Image(aNewShape);
-
- myInitOffsetEdge.Bind (anEdgeRef, aListNewE);
- } else
- myInitOffsetEdge.Bind (anEdgeRef, aNewShape);
- } else { // aNewShape != TopAbs_EDGE
- TopTools_ListOfShape aListNewEdge;
-
- for (ExpC.Init(aNewShape, TopAbs_EDGE); ExpC.More(); ExpC.Next()) {
- const TopoDS_Shape &aResEdge = ExpC.Current();
-
- if (IMOE.HasImage(aResEdge)) {
- const TopTools_ListOfShape& aListNewE = IMOE.Image(aResEdge);
- TopTools_ListIteratorOfListOfShape aNewEIter(aListNewE);
-
- for (; aNewEIter.More(); aNewEIter.Next())
- aListNewEdge.Append(aNewEIter.Value());
- } else
- aListNewEdge.Append(aResEdge);
- }
-
- myInitOffsetEdge.Bind (anEdgeRef, aListNewEdge);
- }
- }
- else { // Free boundary.
- TopoDS_Shape aNewEdge = MapSF(aFaceRef).Generated(anEdgeRef);
-
- if (MES.IsBound(aNewEdge))
- aNewEdge = MES(aNewEdge);
-
- if (IMOE.HasImage(aNewEdge)) {
- const TopTools_ListOfShape& aListNewE = IMOE.Image(aNewEdge);
-
- myInitOffsetEdge.Bind (anEdgeRef, aListNewE);
- } else
- myInitOffsetEdge.Bind (anEdgeRef, aNewEdge);
- }
+ myInitOffsetEdge.SetRoot(anEdgeRef);
+ if (Build.IsBound(anEdgeRef)) {
+ TopoDS_Shape aNewShape = Build(anEdgeRef);
+
+ if (aNewShape.ShapeType() == TopAbs_EDGE) {
+ if (IMOE.HasImage(aNewShape)) {
+ const TopTools_ListOfShape& aListNewE = IMOE.Image(aNewShape);
+
+ myInitOffsetEdge.Bind (anEdgeRef, aListNewE);
+ } else
+ myInitOffsetEdge.Bind (anEdgeRef, aNewShape);
+ } else { // aNewShape != TopAbs_EDGE
+ TopTools_ListOfShape aListNewEdge;
+
+ for (ExpC.Init(aNewShape, TopAbs_EDGE); ExpC.More(); ExpC.Next()) {
+ const TopoDS_Shape &aResEdge = ExpC.Current();
+
+ if (IMOE.HasImage(aResEdge)) {
+ const TopTools_ListOfShape& aListNewE = IMOE.Image(aResEdge);
+ TopTools_ListIteratorOfListOfShape aNewEIter(aListNewE);
+
+ for (; aNewEIter.More(); aNewEIter.Next())
+ aListNewEdge.Append(aNewEIter.Value());
+ } else
+ aListNewEdge.Append(aResEdge);
+ }
+
+ myInitOffsetEdge.Bind (anEdgeRef, aListNewEdge);
+ }
+ }
+ else { // Free boundary.
+ TopoDS_Shape aNewEdge = MapSF(aFaceRef).Generated(anEdgeRef);
+
+ if (MES.IsBound(aNewEdge))
+ aNewEdge = MES(aNewEdge);
+
+ if (IMOE.HasImage(aNewEdge)) {
+ const TopTools_ListOfShape& aListNewE = IMOE.Image(aNewEdge);
+
+ myInitOffsetEdge.Bind (anEdgeRef, aListNewE);
+ } else
+ myInitOffsetEdge.Bind (anEdgeRef, aNewEdge);
+ }
}
}
}
// Modified by skv - Tue Mar 15 16:20:43 2005
//---------------------------
- // MAJ SD. for caps
+ // MAJ SD. for caps
//---------------------------
//TopTools_MapOfShape View;
for (i = 1; i <= myFaces.Extent(); i++) {
for (itLF.Initialize(LE) ; itLF.More(); itLF.Next()) {
const TopoDS_Edge& OE = TopoDS::Edge(itLF.Value());
if (IMOE.HasImage(OE)) {
- const TopTools_ListOfShape& LOE = IMOE.Image(OE);
- TopTools_ListIteratorOfListOfShape itLOE(LOE);
- for (; itLOE.More(); itLOE.Next()) {
- const TopoDS_Edge& COE = TopoDS::Edge(itLOE.Value());
- myAsDes->Add(Cork,COE.Oriented(OE.Orientation())) ;
+ const TopTools_ListOfShape& LOE = IMOE.Image(OE);
+ TopTools_ListIteratorOfListOfShape itLOE(LOE);
+ for (; itLOE.More(); itLOE.Next()) {
+ const TopoDS_Edge& COE = TopoDS::Edge(itLOE.Value());
+ myAsDes->Add(Cork,COE.Oriented(OE.Orientation())) ;
#ifdef DRAW
- if (AffichInt2d) {
- sprintf(name,"AE_%d",NbAE++);
- DBRep::Set(name,COE);
- COES.Add(COE);
- }
+ if (AffichInt2d) {
+ sprintf(name,"AE_%d",NbAE++);
+ DBRep::Set(name,COE);
+ COES.Add(COE);
+ }
#endif
-
- if (!myAsDes->HasDescendant(COE)) {
- TopoDS_Vertex CV1,CV2;
- TopExp::Vertices(COE,CV1,CV2);
- if (!CV1.IsNull()) myAsDes->Add(COE,CV1.Oriented(TopAbs_FORWARD));
- if (!CV2.IsNull()) myAsDes->Add(COE,CV2.Oriented(TopAbs_REVERSED));
- }
- }
+
+ if (!myAsDes->HasDescendant(COE)) {
+ TopoDS_Vertex CV1,CV2;
+ TopExp::Vertices(COE,CV1,CV2);
+ if (!CV1.IsNull()) myAsDes->Add(COE,CV1.Oriented(TopAbs_FORWARD));
+ if (!CV2.IsNull()) myAsDes->Add(COE,CV2.Oriented(TopAbs_REVERSED));
+ }
+ }
}
else {
- myAsDes->Add(Cork,OE);
- if (AsDes->HasDescendant(OE)) {
- myAsDes->Add(OE,AsDes->Descendant(OE));
- }
+ myAsDes->Add(Cork,OE);
+ if (AsDes->HasDescendant(OE)) {
+ myAsDes->Add(OE,AsDes->Descendant(OE));
+ }
#ifdef DRAW
- if (AffichInt2d) {
- sprintf(name,"AE_%d",NbAE++);
- DBRep::Set(name,OE);
- COES.Add(OE);
- }
+ if (AffichInt2d) {
+ sprintf(name,"AE_%d",NbAE++);
+ DBRep::Set(name,OE);
+ COES.Add(OE);
+ }
#endif
}
}
DEBVerticesControl (COES,myAsDes);
if ( ChronBuild) Clock.Show();
#endif
+
}
+//=======================================================================
+//function : ReplaceRoots
+//purpose :
+//=======================================================================
+void BRepOffset_MakeOffset::ReplaceRoots()
+{
+ // Replace the artificial faces and edges in InitOffset maps with the original ones.
+ TopTools_MapOfShape View;
+ for (TopExp_Explorer anExpF (myShape, TopAbs_EDGE); anExpF.More(); anExpF.Next())
+ {
+ const TopoDS_Shape& aF = anExpF.Current();
+ for (TopExp_Explorer anExpE (aF, TopAbs_EDGE); anExpE.More(); anExpE.Next())
+ {
+ const TopoDS_Shape& aE = anExpE.Current();
+ if (!View.Add (aE))
+ continue;
+
+ TopoDS_Shape aFGen = myAnalyse.Generated (aE);
+ if (aFGen.IsNull())
+ continue;
+
+ myInitOffsetFace.ReplaceRoot (aFGen, aE);
+
+ for (TopoDS_Iterator itV (aE); itV.More(); itV.Next())
+ {
+ const TopoDS_Shape& aV = itV.Value();
+ if (!View.Add (aV))
+ continue;
+
+ TopoDS_Shape aEGen = myAnalyse.Generated (aV);
+ if (aEGen.IsNull())
+ continue;
+
+ myInitOffsetEdge.ReplaceRoot (aEGen, aV);
+ }
+ }
+ }
+}
//=======================================================================
//function : BuildOffsetByArc
{
#ifdef OCCT_DEBUG
if ( ChronBuild) {
- cout << " CONSTRUCTION OF OFFSETS :" << endl;
+ std::cout << " CONSTRUCTION OF OFFSETS :" << std::endl;
Clock.Reset();
Clock.Start();
}
#endif
- BRepOffset_DataMapOfShapeOffset MapSF;
- TopTools_MapOfShape Done;
- Standard_Boolean OffsetOutside = (myOffset > 0.)? Standard_True : Standard_False;
+ TopExp_Explorer Exp;
+ TopTools_ListIteratorOfListOfShape itLF;
+ TopTools_MapOfShape Done;
+
//--------------------------------------------------------
// Construction of faces parallel to initial faces
//--------------------------------------------------------
- TopExp_Explorer Exp;
- TopTools_ListOfShape LF;
- TopTools_ListIteratorOfListOfShape itLF;
-
- BRepLib::SortFaces(myShape,LF);
-
- TopTools_DataMapOfShapeShape EdgeTgt;
- for (itLF.Initialize(LF); itLF.More(); itLF.Next()) {
- const TopoDS_Face& F = TopoDS::Face(itLF.Value());
- Standard_Real CurOffset = myOffset;
- if (myFaceOffset.IsBound(F)) CurOffset = myFaceOffset(F);
- BRepOffset_Offset OF(F,CurOffset,EdgeTgt,OffsetOutside,myJoin);
- TopTools_ListOfShape Let;
- myAnalyse.Edges(F,BRepOffset_Tangent,Let);
- TopTools_ListIteratorOfListOfShape itl(Let);
-
- for ( ; itl.More(); itl.Next()) {
- const TopoDS_Edge& Cur = TopoDS::Edge(itl.Value());
- if ( !EdgeTgt.IsBound(Cur)) {
- TopoDS_Shape aLocalShape = OF.Generated(Cur);
- const TopoDS_Edge& OTE = TopoDS::Edge(aLocalShape);
-// const TopoDS_Edge& OTE = TopoDS::Edge(OF.Generated(Cur));
- EdgeTgt.Bind(Cur,OF.Generated(Cur));
- TopoDS_Vertex V1,V2,OV1,OV2;
- TopExp::Vertices (Cur,V1,V2);
- TopExp::Vertices (OTE,OV1,OV2);
- TopTools_ListOfShape LE;
- if (!EdgeTgt.IsBound(V1)) {
- myAnalyse.Edges(V1,BRepOffset_Tangent,LE);
- const TopTools_ListOfShape& LA =myAnalyse.Ancestors(V1);
- if (LE.Extent() == LA.Extent())
- EdgeTgt.Bind(V1,OV1);
- }
- if (!EdgeTgt.IsBound(V2)) {
- LE.Clear();
- myAnalyse.Edges(V2,BRepOffset_Tangent,LE);
- const TopTools_ListOfShape& LA =myAnalyse.Ancestors(V2);
- if (LE.Extent() == LA.Extent())
- EdgeTgt.Bind(V2,OV2);
- }
- }
- }
- MapSF.Bind(F,OF);
- }
+ BRepOffset_DataMapOfShapeOffset MapSF;
+ MakeOffsetFaces(MapSF);
//--------------------------------------------------------
// Construction of tubes on edge.
//--------------------------------------------------------
- BRepOffset_Type OT = BRepOffset_Convex;
- if (myOffset < 0.) OT = BRepOffset_Concave;
+ ChFiDS_TypeOfConcavity OT = ChFiDS_Convex;
+ if (myOffset < 0.) OT = ChFiDS_Concave;
for (Exp.Init(myShape,TopAbs_EDGE); Exp.More(); Exp.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(Exp.Current());
if (Done.Add(E)) {
const TopTools_ListOfShape& Anc = myAnalyse.Ancestors(E);
if (Anc.Extent() == 2) {
- const BRepOffset_ListOfInterval& L = myAnalyse.Type(E);
- if (!L.IsEmpty() && L.First().Type() == OT) {
- Standard_Real CurOffset = myOffset;
- if ( myFaceOffset.IsBound(Anc.First()))
- CurOffset = myFaceOffset(Anc.First());
- TopoDS_Shape aLocalShape = MapSF(Anc.First()).Generated(E);
- TopoDS_Edge EOn1 = TopoDS::Edge(aLocalShape);
- aLocalShape = MapSF(Anc.Last()).Generated(E);
- TopoDS_Edge EOn2 = TopoDS::Edge(aLocalShape);
-// TopoDS_Edge EOn1 = TopoDS::Edge(MapSF(Anc.First()).Generated(E));
-// TopoDS_Edge EOn2 = TopoDS::Edge(MapSF(Anc.Last()) .Generated(E));
- // find if exits tangent edges in the original shape
- TopoDS_Edge E1f, E1l;
- TopoDS_Vertex V1f, V1l;
- TopExp::Vertices(E,V1f,V1l);
- TopTools_ListOfShape TangE;
- myAnalyse.TangentEdges(E,V1f,TangE);
- // find if the pipe on the tangent edges are soon created.
- TopTools_ListIteratorOfListOfShape itl(TangE);
- Standard_Boolean Find = Standard_False;
- for ( ; itl.More() && !Find; itl.Next()) {
- if ( MapSF.IsBound(itl.Value())) {
- TopoDS_Shape aLocalShape = MapSF(itl.Value()).Generated(V1f);
- E1f = TopoDS::Edge(aLocalShape);
-// E1f = TopoDS::Edge(MapSF(itl.Value()).Generated(V1f));
- Find = Standard_True;
- }
- }
- TangE.Clear();
- myAnalyse.TangentEdges(E,V1l,TangE);
- // find if the pipe on the tangent edges are soon created.
- itl.Initialize(TangE);
- Find = Standard_False;
- for ( ; itl.More() && !Find; itl.Next()) {
- if ( MapSF.IsBound(itl.Value())) {
- TopoDS_Shape aLocalShape = MapSF(itl.Value()).Generated(V1l);
- E1l = TopoDS::Edge(aLocalShape);
-// E1l = TopoDS::Edge(MapSF(itl.Value()).Generated(V1l));
- Find = Standard_True;
- }
- }
- BRepOffset_Offset OF (E,EOn1,EOn2,CurOffset,E1f, E1l);
- MapSF.Bind(E,OF);
- }
- }
- else {
- // ----------------------
- // free border.
- // ----------------------
- TopoDS_Shape aLocalShape = MapSF(Anc.First()).Generated(E);
- TopoDS_Edge EOn1 = TopoDS::Edge(aLocalShape);
-/// TopoDS_Edge EOn1 = TopoDS::Edge(MapSF(Anc.First()).Generated(E));
+ const BRepOffset_ListOfInterval& L = myAnalyse.Type(E);
+ if (!L.IsEmpty() && L.First().Type() == OT) {
+ Standard_Real CurOffset = myOffset;
+ if ( myFaceOffset.IsBound(Anc.First()))
+ CurOffset = myFaceOffset(Anc.First());
+ TopoDS_Shape aLocalShapeGen = MapSF(Anc.First()).Generated(E);
+ TopoDS_Edge EOn1 = TopoDS::Edge(aLocalShapeGen);
+ aLocalShapeGen = MapSF(Anc.Last()).Generated(E);
+ TopoDS_Edge EOn2 = TopoDS::Edge(aLocalShapeGen);
+// TopoDS_Edge EOn1 = TopoDS::Edge(MapSF(Anc.First()).Generated(E));
+// TopoDS_Edge EOn2 = TopoDS::Edge(MapSF(Anc.Last()) .Generated(E));
+ // find if exits tangent edges in the original shape
+ TopoDS_Edge E1f, E1l;
+ TopoDS_Vertex V1f, V1l;
+ TopExp::Vertices(E,V1f,V1l);
+ TopTools_ListOfShape TangE;
+ myAnalyse.TangentEdges(E,V1f,TangE);
+ // find if the pipe on the tangent edges are soon created.
+ TopTools_ListIteratorOfListOfShape itl(TangE);
+ Standard_Boolean Find = Standard_False;
+ for ( ; itl.More() && !Find; itl.Next()) {
+ if ( MapSF.IsBound(itl.Value())) {
+ TopoDS_Shape aLocalShape = MapSF(itl.Value()).Generated(V1f);
+ E1f = TopoDS::Edge(aLocalShape);
+// E1f = TopoDS::Edge(MapSF(itl.Value()).Generated(V1f));
+ Find = Standard_True;
+ }
+ }
+ TangE.Clear();
+ myAnalyse.TangentEdges(E,V1l,TangE);
+ // find if the pipe on the tangent edges are soon created.
+ itl.Initialize(TangE);
+ Find = Standard_False;
+ for ( ; itl.More() && !Find; itl.Next()) {
+ if ( MapSF.IsBound(itl.Value())) {
+ TopoDS_Shape aLocalShape = MapSF(itl.Value()).Generated(V1l);
+ E1l = TopoDS::Edge(aLocalShape);
+// E1l = TopoDS::Edge(MapSF(itl.Value()).Generated(V1l));
+ Find = Standard_True;
+ }
+ }
+ BRepOffset_Offset OF (E,EOn1,EOn2,CurOffset,E1f, E1l);
+ MapSF.Bind(E,OF);
+ }
+ }
+ else {
+ // ----------------------
+ // free border.
+ // ----------------------
+ TopoDS_Shape aLocalShape = MapSF(Anc.First()).Generated(E);
+ TopoDS_Edge EOn1 = TopoDS::Edge(aLocalShape);
+/// TopoDS_Edge EOn1 = TopoDS::Edge(MapSF(Anc.First()).Generated(E));
myInitOffsetEdge.SetRoot(E); // skv: supporting history.
- myInitOffsetEdge.Bind (E,EOn1);
+ myInitOffsetEdge.Bind (E,EOn1);
}
}
}
myAnalyse.Edges(V,OT,LE);
if (LE.Extent() >= 3 && LE.Extent() == LA.Extent()) {
- TopTools_ListOfShape LOE;
- //--------------------------------------------------------
- // Return connected edges on tubes.
- //--------------------------------------------------------
- for (it.Initialize(LE) ; it.More(); it.Next()) {
- LOE.Append(MapSF(it.Value()).Generated(V).Reversed());
- }
- //----------------------
- // construction sphere.
- //-----------------------
- const TopTools_ListOfShape& LLA = myAnalyse.Ancestors(LA.First());
- const TopoDS_Shape& FF = LLA.First();
- Standard_Real CurOffset = myOffset;
- if ( myFaceOffset.IsBound(FF))
- CurOffset = myFaceOffset(FF);
-
- BRepOffset_Offset OF(V,LOE,CurOffset);
- MapSF.Bind(V,OF);
+ TopTools_ListOfShape LOE;
+ //--------------------------------------------------------
+ // Return connected edges on tubes.
+ //--------------------------------------------------------
+ for (it.Initialize(LE) ; it.More(); it.Next()) {
+ LOE.Append(MapSF(it.Value()).Generated(V).Reversed());
+ }
+ //----------------------
+ // construction sphere.
+ //-----------------------
+ const TopTools_ListOfShape& LLA = myAnalyse.Ancestors(LA.First());
+ const TopoDS_Shape& FF = LLA.First();
+ Standard_Real CurOffset = myOffset;
+ if ( myFaceOffset.IsBound(FF))
+ CurOffset = myFaceOffset(FF);
+
+ BRepOffset_Offset OF(V,LOE,CurOffset);
+ MapSF.Bind(V,OF);
}
//--------------------------------------------------------------
// Particular processing if V is at least a free border.
//-------------------------------------------------------------
TopTools_ListOfShape LBF;
- myAnalyse.Edges(V,BRepOffset_FreeBoundary,LBF);
- if (!LBF.IsEmpty()) {
- Standard_Boolean First = Standard_True;
- for (it.Initialize(LE) ; it.More(); it.Next()) {
- if (First) {
- myInitOffsetEdge.SetRoot(V); // skv: supporting history.
- myInitOffsetEdge.Bind(V,MapSF(it.Value()).Generated(V));
- First = Standard_False;
- }
- else {
- myInitOffsetEdge.Add(V,MapSF(it.Value()).Generated(V));
- }
- }
+ myAnalyse.Edges(V,ChFiDS_FreeBound,LBF);
+ if (!LBF.IsEmpty()) {
+ Standard_Boolean First = Standard_True;
+ for (it.Initialize(LE) ; it.More(); it.Next()) {
+ if (First) {
+ myInitOffsetEdge.SetRoot(V); // skv: supporting history.
+ myInitOffsetEdge.Bind(V,MapSF(it.Value()).Generated(V));
+ First = Standard_False;
+ }
+ else {
+ myInitOffsetEdge.Add(V,MapSF(it.Value()).Generated(V));
+ }
+ }
}
}
}
//------------------------------------------------------
// MAJ SD.
//------------------------------------------------------
- BRepOffset_Type RT = BRepOffset_Concave;
- if (myOffset < 0.) RT = BRepOffset_Convex;
+ ChFiDS_TypeOfConcavity RT = ChFiDS_Concave;
+ if (myOffset < 0.) RT = ChFiDS_Convex;
BRepOffset_DataMapIteratorOfDataMapOfShapeOffset It(MapSF);
for ( ; It.More(); It.Next()) {
const TopoDS_Shape& SI = It.Key();
const BRepOffset_Offset& SF = It.Value();
if (SF.Status() == BRepOffset_Reversed ||
- SF.Status() == BRepOffset_Degenerated ) {
+ SF.Status() == BRepOffset_Degenerated ) {
//------------------------------------------------
// Degenerated or returned faces are not stored.
//------------------------------------------------
continue;
- }
+ }
const TopoDS_Face& OF = It.Value().Face();
myInitOffsetFace.Bind (SI,OF);
if (SI.ShapeType() == TopAbs_FACE) {
for (Exp.Init(SI.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
- Exp.More(); Exp.Next()) {
- //--------------------------------------------------------------------
- // To each face are associatedthe edges that restrict that
- // The edges that do not generate tubes or are not tangent
- // to two faces are removed.
- //--------------------------------------------------------------------
- const TopoDS_Edge& E = TopoDS::Edge(Exp.Current());
- const BRepOffset_ListOfInterval& L = myAnalyse.Type(E);
- if (!L.IsEmpty() && L.First().Type() != RT) {
- TopAbs_Orientation OO = E.Orientation();
- TopoDS_Shape aLocalShape = It.Value().Generated(E);
- TopoDS_Edge OE = TopoDS::Edge(aLocalShape);
-// TopoDS_Edge OE = TopoDS::Edge(It.Value().Generated(E));
- myAsDes->Add (OF,OE.Oriented(OO));
- }
+ Exp.More(); Exp.Next()) {
+ //--------------------------------------------------------------------
+ // To each face are associatedthe edges that restrict that
+ // The edges that do not generate tubes or are not tangent
+ // to two faces are removed.
+ //--------------------------------------------------------------------
+ const TopoDS_Edge& E = TopoDS::Edge(Exp.Current());
+ const BRepOffset_ListOfInterval& L = myAnalyse.Type(E);
+ if (!L.IsEmpty() && L.First().Type() != RT) {
+ TopAbs_Orientation OO = E.Orientation();
+ TopoDS_Shape aLocalShape = It.Value().Generated(E);
+ TopoDS_Edge OE = TopoDS::Edge(aLocalShape);
+// TopoDS_Edge OE = TopoDS::Edge(It.Value().Generated(E));
+ myAsDes->Add (OF,OE.Oriented(OO));
+ }
}
}
else {
for (Exp.Init(OF.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
- Exp.More(); Exp.Next()) {
- myAsDes->Add (OF,Exp.Current());
+ Exp.More(); Exp.Next()) {
+ myAsDes->Add (OF,Exp.Current());
}
}
}
{
#ifdef OCCT_DEBUG
if ( ChronBuild) {
- cout << " AUTODEBOUCLAGE:" << endl;
+ std::cout << " AUTODEBOUCLAGE:" << std::endl;
Clock.Reset();
Clock.Start();
}
#endif
- Standard_NotImplemented::Raise();
-
-#ifdef OCCT_DEBUG
- if ( ChronBuild) Clock.Show();
-#endif
+ throw Standard_NotImplemented();
}
for (i = 1; i <= myFaces.Extent(); i++) {
const TopoDS_Face& CF = TopoDS::Face(myFaces(i));
for (exp.Init(CF.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
- exp.More(); exp.Next()) {
+ exp.More(); exp.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
if (!myAnalyse.HasAncestor(E)) {
- //----------------------------------------------------------------
- // The edges of context faces that are not in the initial shape
- // can appear in the result.
- //----------------------------------------------------------------
- //myAsDes->Add(CF,E);
+ //----------------------------------------------------------------
+ // The edges of context faces that are not in the initial shape
+ // can appear in the result.
+ //----------------------------------------------------------------
+ //myAsDes->Add(CF,E);
}
}
}
for (j = 1; j <= myFaces.Extent(); j++) {
const TopoDS_Face& CF = TopoDS::Face(myFaces(j));
for (exp.Init(CF.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
- exp.More(); exp.Next()) {
+ exp.More(); exp.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
if (myAnalyse.HasAncestor(E)) {
- const TopTools_ListOfShape& LEA = myAnalyse.Ancestors(E);
- for (itl.Initialize(LEA); itl.More(); itl.Next()) {
- const BRepOffset_Offset& OF = MapSF(itl.Value());
- FacesToBuild.Add(itl.Value());
- MEF.Bind(OF.Generated(E),CF);
- }
- TopoDS_Vertex V[2];
- TopExp::Vertices(E,V[0],V[1]);
- for (Standard_Integer i = 0; i < 2; i++) {
- const TopTools_ListOfShape& LVA = myAnalyse.Ancestors(V[i]);
- for ( itl.Initialize(LVA); itl.More(); itl.Next()) {
- const TopoDS_Edge& EV = TopoDS::Edge(itl.Value());
- if (MapSF.IsBound(EV)) {
- const BRepOffset_Offset& OF = MapSF(EV);
- FacesToBuild.Add(EV);
- MEF.Bind(OF.Generated(V[i]),CF);
- }
- }
- }
+ const TopTools_ListOfShape& LEA = myAnalyse.Ancestors(E);
+ for (itl.Initialize(LEA); itl.More(); itl.Next()) {
+ const BRepOffset_Offset& OF = MapSF(itl.Value());
+ FacesToBuild.Add(itl.Value());
+ MEF.Bind(OF.Generated(E),CF);
+ }
+ TopoDS_Vertex V[2];
+ TopExp::Vertices(E,V[0],V[1]);
+ for (Standard_Integer i = 0; i < 2; i++) {
+ const TopTools_ListOfShape& LVA = myAnalyse.Ancestors(V[i]);
+ for ( itl.Initialize(LVA); itl.More(); itl.Next()) {
+ const TopoDS_Edge& EV = TopoDS::Edge(itl.Value());
+ if (MapSF.IsBound(EV)) {
+ const BRepOffset_Offset& OF = MapSF(EV);
+ FacesToBuild.Add(EV);
+ MEF.Bind(OF.Generated(V[i]),CF);
+ }
+ }
+ }
}
}
}
// Reconstruction of faces.
//---------------------------
TopoDS_Face F,NF;
- BRepOffset_Type RT = BRepOffset_Concave;
- if (myOffset < 0.) RT = BRepOffset_Convex;
+ ChFiDS_TypeOfConcavity RT = ChFiDS_Concave;
+ if (myOffset < 0.) RT = ChFiDS_Convex;
TopoDS_Shape OE,NE;
TopAbs_Orientation Or;
if (S.ShapeType() == TopAbs_FACE) {
for (exp.Init(S.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
- exp.More(); exp.Next()) {
-
- const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
- const BRepOffset_ListOfInterval& L = myAnalyse.Type(E);
- OE = BOF.Generated(E);
- Or = E.Orientation();
- OE.Orientation(Or);
- if (!L.IsEmpty() && L.First().Type() != RT) {
- if (Created.IsBound(OE)) {
- NE = Created(OE);
- if (NE.Orientation() == TopAbs_REVERSED)
- NE.Orientation(TopAbs::Reverse(Or));
- else
- NE.Orientation(Or);
- myAsDes->Add(NF,NE);
- }
- else {
- myAsDes->Add(NF,OE);
- }
- }
+ exp.More(); exp.Next()) {
+
+ const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
+ const BRepOffset_ListOfInterval& L = myAnalyse.Type(E);
+ OE = BOF.Generated(E);
+ Or = E.Orientation();
+ OE.Orientation(Or);
+ if (!L.IsEmpty() && L.First().Type() != RT) {
+ if (Created.IsBound(OE)) {
+ NE = Created(OE);
+ if (NE.Orientation() == TopAbs_REVERSED)
+ NE.Orientation(TopAbs::Reverse(Or));
+ else
+ NE.Orientation(Or);
+ myAsDes->Add(NF,NE);
+ }
+ else {
+ myAsDes->Add(NF,OE);
+ }
+ }
}
}
else {
// Tube
//---------------------
for (exp.Init(NF.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
- exp.More(); exp.Next()) {
- myAsDes->Add (NF,exp.Current());
+ exp.More(); exp.Next()) {
+ myAsDes->Add (NF,exp.Current());
}
}
MapSF.UnBind(S);
TopoDS_Shape E = myInitOffsetEdge.ImageFrom (OE);
Or = myInitOffsetEdge.Image(E).First().Orientation();
if (NE.Orientation() == TopAbs_REVERSED)
- NE.Orientation(TopAbs::Reverse(Or));
+ NE.Orientation(TopAbs::Reverse(Or));
else
- NE.Orientation(Or);
+ NE.Orientation(Or);
myInitOffsetEdge.Remove(OE);
myInitOffsetEdge.Bind(E,NE);
}
CopiedMap.Assign(myFaceOffset);
TopTools_DataMapIteratorOfDataMapOfShapeReal it(CopiedMap);
- BRepOffset_Type RT = BRepOffset_Convex;
- if (myOffset < 0.) RT = BRepOffset_Concave;
+ ChFiDS_TypeOfConcavity RT = ChFiDS_Convex;
+ if (myOffset < 0.) RT = ChFiDS_Concave;
for ( ; it.More(); it.Next()) {
const TopoDS_Face& F = TopoDS::Face(it.Key());
TopTools_MapOfShape Dummy;
Build.Add(Co,F);
if (myJoin == GeomAbs_Arc)
- myAnalyse.AddFaces(F,Co,Dummy,BRepOffset_Tangent,RT);
+ myAnalyse.AddFaces(F,Co,Dummy,ChFiDS_Tangential,RT);
else
- myAnalyse.AddFaces(F,Co,Dummy,BRepOffset_Tangent);
+ myAnalyse.AddFaces(F,Co,Dummy,ChFiDS_Tangential);
TopExp_Explorer exp(Co,TopAbs_FACE);
for (; exp.More(); exp.Next()) {
const TopoDS_Face& FF = TopoDS::Face(exp.Current());
if ( !M.Add(FF)) continue;
if ( myFaceOffset.IsBound(FF))
- myFaceOffset.UnBind(FF);
+ myFaceOffset.UnBind(FF);
myFaceOffset.Bind(FF,CurOffset);
}
}
Ul = 2.*M_PI;
Handle(Geom_Curve) aCurv = aSphSurf->VIso(Vf);
/*
- if (!isFirstFace)
+ if (!isFirstFace)
{
gp_Circ aCircle = (Handle(Geom_Circle)::DownCast(aCurv))->Circ();
if (Abs(Uf - f) > Precision::Confusion())
break;
}
}
- NewEdges.Append(FirstEdge);
+ NewEdges.Append(FirstEdge.Oriented(TopAbs_FORWARD));
TopoDS_Vertex Vf1, CurVertex;
TopExp::Vertices(FirstEdge, Vf1, CurVertex);
itl.Initialize(EdgesOfWire);
TopExp::Vertices(anEdge, V1, V2);
if (V1.IsSame(CurVertex) || V2.IsSame(CurVertex))
{
- NewEdges.Append(anEdge);
+ NewEdges.Append(anEdge.Oriented(TopAbs_FORWARD));
CurVertex = (V1.IsSame(CurVertex))? V2 : V1;
EdgesOfWire.Remove(itl);
}
Vfirst = -M_PI/2.; Vlast = p2d1.Y();
}
TopoDS_Face NewSphericalFace = BRepLib_MakeFace(aSphSurf, Ufirst, Ulast, Vfirst, Vlast, Precision::Confusion());
- TopoDS_Edge OldEdge;
+ TopoDS_Edge OldEdge, DegEdge;
+ for (Explo.Init(NewSphericalFace, TopAbs_EDGE); Explo.More(); Explo.Next())
+ {
+ DegEdge = TopoDS::Edge(Explo.Current());
+ if (BRep_Tool::Degenerated(DegEdge))
+ break;
+ }
+ TopoDS_Vertex DegVertex = TopExp::FirstVertex(DegEdge);
for (Explo.Init(NewSphericalFace, TopAbs_EDGE); Explo.More(); Explo.Next())
{
OldEdge = TopoDS::Edge(Explo.Current());
- if (!BRep_Tool::Degenerated(OldEdge))
- {
- BRepAdaptor_Curve2d BAc2d(OldEdge, NewSphericalFace);
- p2d1 = BAc2d.Value(BAc2d.FirstParameter());
- p2d2 = BAc2d.Value(BAc2d.LastParameter());
- if (Abs(p2d1.X() - Ufirst) <= Precision::Confusion() &&
- Abs(p2d2.X() - Ulast) <= Precision::Confusion())
- break;
- }
+ TopoDS_Vertex V1, V2;
+ TopExp::Vertices(OldEdge, V1, V2);
+ if (!V1.IsSame(DegVertex) && !V2.IsSame(DegVertex))
+ break;
}
TopoDS_Vertex V1, V2;
TopExp::Vertices(OldEdge, V1, V2);
TopTools_ListOfShape LV1, LV2;
- LV1.Append(Vf1);
- LV2.Append(CurVertex);
+ LV1.Append(Vf1.Oriented(TopAbs_FORWARD));
+ LV2.Append(CurVertex.Oriented(TopAbs_FORWARD));
BRepTools_Substitution theSubstitutor;
- theSubstitutor.Substitute(V1, LV1);
+ theSubstitutor.Substitute(V1.Oriented(TopAbs_FORWARD), LV1);
if (!V1.IsSame(V2))
- theSubstitutor.Substitute(V2, LV2);
- theSubstitutor.Substitute(OldEdge, NewEdges);
+ theSubstitutor.Substitute(V2.Oriented(TopAbs_FORWARD), LV2);
+ theSubstitutor.Substitute(OldEdge.Oriented(TopAbs_FORWARD), NewEdges);
theSubstitutor.Build(NewSphericalFace);
if (theSubstitutor.IsCopied(NewSphericalFace))
{
}
}
}
- TopoDS_Iterator anIt(Sol);
- Standard_Boolean SolIsNull = !anIt.More();
+ Standard_Integer nbs = Sol.NbChildren();
+ Standard_Boolean SolIsNull = (nbs == 0);
//Checking solid
- if(!SolIsNull)
+ if (nbs > 1)
{
- Standard_Integer nbs = 0;
- while(anIt.More()) {anIt.Next(); ++nbs;}
- if(nbs > 1)
+ BRepCheck_Analyzer aCheck (Sol, Standard_False);
+ if (!aCheck.IsValid ())
{
- BRepCheck_Analyzer aCheck(Sol, Standard_False);
- if(!aCheck.IsValid())
+ TopTools_ListOfShape aSolList;
+ CorrectSolid (Sol, aSolList);
+ if (!aSolList.IsEmpty ())
{
- TopTools_ListOfShape aSolList;
- CorrectSolid(Sol, aSolList);
- if(!aSolList.IsEmpty())
+ BB.Add (NC, Sol);
+ TopTools_ListIteratorOfListOfShape aSLIt (aSolList);
+ for (; aSLIt.More (); aSLIt.Next ())
{
- BB.Add(NC, Sol);
- TopTools_ListIteratorOfListOfShape aSLIt(aSolList);
- for(; aSLIt.More(); aSLIt.Next())
- {
- BB.Add(NC, aSLIt.Value());
- }
- SolIsNull = Standard_True;
+ BB.Add (NC, aSLIt.Value ());
}
+ SolIsNull = Standard_True;
}
}
}
//
- anIt.Initialize(NC);
- Standard_Boolean NCIsNull = !anIt.More();
+ Standard_Boolean NCIsNull = (NC.NbChildren() == 0);
if((!SolIsNull) && (!NCIsNull))
{
BB.Add(NC, Sol);
{
#ifdef OCCT_DEBUG
if (ChronBuild) {
- cout << " INTERSECTION 3D:" << endl;
+ std::cout << " INTERSECTION 3D:" << std::endl;
Clock.Reset();
Clock.Start();
}
#endif
+
+ // In the Complete Intersection mode, implemented currently for planar
+ // solids only, there is no need to intersect the faces here.
+ // This intersection will be performed in the method BuildShellsCompleteInter
+ // where the special treatment is applied to produced faces.
+ //
+ // Make sure to match the parameters in which the method
+ // BuildShellsCompleteInter is called.
+ if (myInter && (myJoin == GeomAbs_Intersection) && myIsPlanar &&
+ !myThickening && myFaces.IsEmpty() && IsSolid(myShape))
+ return;
+
+
TopTools_ListOfShape OffsetFaces; // list of faces // created.
MakeList (OffsetFaces,myInitOffsetFace,myFaces);
//=======================================================================
void BRepOffset_MakeOffset::Intersection2D(const TopTools_IndexedMapOfShape& Modif,
- const TopTools_IndexedMapOfShape& NewEdges)
+ const TopTools_IndexedMapOfShape& NewEdges)
{
#ifdef OCCT_DEBUG
if (ChronBuild) {
- cout << " INTERSECTION 2D:" << endl;
+ std::cout << " INTERSECTION 2D:" << std::endl;
Clock.Reset();
Clock.Start();
}
//-----------------------------------------------
// Intersection of edges 2 by 2.
//-----------------------------------------------
+ TopTools_IndexedDataMapOfShapeListOfShape aDMVV;
Standard_Integer i;
for (i = 1; i <= Modif.Extent(); i++) {
const TopoDS_Face& F = TopoDS::Face(Modif(i));
- BRepOffset_Inter2d::Compute(myAsDes,F,NewEdges,myTol);
+ BRepOffset_Inter2d::Compute(myAsDes,F,NewEdges,myTol, aDMVV);
}
-
+ //
+ BRepOffset_Inter2d::FuseVertices(aDMVV, myAsDes);
+ //
#ifdef OCCT_DEBUG
if (AffichInt2d) {
DEBVerticesControl (NewEdges,myAsDes);
{
#ifdef OCCT_DEBUG
if (ChronBuild) {
- cout << " DEBOUCLAGE 2D:" << endl;
+ std::cout << " DEBOUCLAGE 2D:" << std::endl;
Clock.Reset();
Clock.Start();
}
if (!myFaces.Contains(Modif(i)))
LF.Append(Modif(i));
}
- myMakeLoops.Build(LF,myAsDes,myImageOffset);
+ //
+ if ((myJoin == GeomAbs_Intersection) && myInter && myIsPlanar) {
+ BuildSplitsOfTrimmedFaces(LF, myAsDes, myImageOffset);
+ }
+ else {
+ myMakeLoops.Build(LF,myAsDes,myImageOffset);
+ }
//-----------------------------------------
// unwinding of caps.
{
#ifdef OCCT_DEBUG
if (ChronBuild) {
- cout << " RECONSTRUCTION OF FACES:" << endl;
+ std::cout << " RECONSTRUCTION OF FACES:" << std::endl;
Clock.Reset();
Clock.Start();
}
//----------------------------------
for (itr.Initialize(Roots); itr.More(); itr.Next()) {
TopoDS_Face F = TopoDS::Face(myInitOffsetFace.Image(itr.Value()).First());
- LOF.Append(F);
+ if (!myImageOffset.HasImage(F)) {
+ LOF.Append(F);
+ }
+ }
+ //
+ if ((myJoin == GeomAbs_Intersection) && myInter && myIsPlanar) {
+ BuildSplitsOfTrimmedFaces(LOF, myAsDes, myImageOffset);
+ }
+ else {
+ myMakeLoops.BuildFaces(LOF,myAsDes,myImageOffset);
}
- myMakeLoops.BuildFaces(LOF,myAsDes,myImageOffset);
#ifdef OCCT_DEBUG
if ( ChronBuild) Clock.Show();
//function : UpdateInitOffset
//purpose : Update and cleaning of myInitOffset
//=======================================================================
-
static void UpdateInitOffset (BRepAlgo_Image& myInitOffset,
- BRepAlgo_Image& myImageOffset,
- const TopoDS_Shape& myOffsetShape,
- const TopAbs_ShapeEnum &theShapeType) // skv
+ BRepAlgo_Image& myImageOffset,
+ const TopoDS_Shape& myOffsetShape,
+ const TopAbs_ShapeEnum &theShapeType) // skv
{
BRepAlgo_Image NIOF;
const TopTools_ListOfShape& Roots = myInitOffset.Roots();
//function : MakeMissingWalls
//purpose :
//=======================================================================
-
void BRepOffset_MakeOffset::MakeMissingWalls ()
{
- TopTools_DataMapOfShapeListOfShape Contours; //Start vertex + list of connected edges (free boundary)
+ TopTools_IndexedDataMapOfShapeListOfShape Contours; //Start vertex + list of connected edges (free boundary)
TopTools_DataMapOfShapeShape MapEF; //Edges of contours: edge + face
Standard_Real OffsetVal = Abs(myOffset);
FillContours(myShape, myAnalyse, Contours, MapEF);
- TopTools_DataMapIteratorOfDataMapOfShapeListOfShape iter(Contours);
- for (; iter.More(); iter.Next())
+ for (Standard_Integer ic = 1; ic <= Contours.Extent(); ic++)
+ {
+ TopoDS_Vertex StartVertex = TopoDS::Vertex(Contours.FindKey(ic));
+ TopoDS_Edge StartEdge;
+ const TopTools_ListOfShape& aContour = Contours(ic);
+ TopTools_ListIteratorOfListOfShape itl(aContour);
+ Standard_Boolean FirstStep = Standard_True;
+ TopoDS_Edge PrevEdge;
+ TopoDS_Vertex PrevVertex = StartVertex;
+ Standard_Boolean isBuildFromScratch = Standard_False; // Problems with edges.
+ for (; itl.More(); itl.Next())
{
- TopoDS_Vertex StartVertex = TopoDS::Vertex(iter.Key());
- TopoDS_Edge StartEdge;
- const TopTools_ListOfShape& aContour = iter.Value();
- TopTools_ListIteratorOfListOfShape itl(aContour);
- Standard_Boolean FirstStep = Standard_True;
- TopoDS_Edge PrevEdge;
- TopoDS_Vertex PrevVertex = StartVertex;
- for (; itl.More(); itl.Next())
- {
- TopoDS_Edge anEdge = TopoDS::Edge(itl.Value());
- if (!myInitOffsetEdge.HasImage(anEdge))
- continue;
- //if (BRep_Tool::Degenerated(anEdge))
- //continue;
- TopoDS_Face aFace = TopoDS::Face(MapEF(anEdge));
- //TopoDS_Edge OE = TopoDS::Edge(myInitOffsetEdge.Image(anEdge).First());
- TopTools_ListOfShape LOE, LOE2;
- myInitOffsetEdge.LastImage( anEdge, LOE );
- myImageOffset.LastImage( LOE.Last(), LOE2 );
- TopoDS_Edge OE = TopoDS::Edge( LOE2.Last() );
- ////////////////////////////////////////////////////////////////////////
- TopoDS_Vertex V1, V2, V3, V4;
- TopExp::Vertices(anEdge, V1, V2/*, Standard_True*/);
- TopExp::Vertices(OE, V4, V3/*, Standard_True*/);
- Standard_Boolean ToReverse = Standard_False;
- if (!V1.IsSame(PrevVertex))
- {
- TopoDS_Vertex aVtx = V1; V1 = V2; V2 = aVtx;
- aVtx = V3; V3 = V4; V4 = aVtx;
- ToReverse = Standard_True;
- }
- //Temporary
- //anEdge.Reverse();
- OE.Orientation(TopAbs::Reverse(anEdge.Orientation()));
- TopoDS_Edge E3, E4;
- if (FirstStep)
- {
- E4 = BRepLib_MakeEdge( V1, V4 );
- StartEdge = E4;
- }
- else
- E4 = PrevEdge;
- Standard_Boolean ArcOnV2 = ((myJoin == GeomAbs_Arc) && (myInitOffsetEdge.HasImage(V2)));
- if (V2.IsSame(StartVertex) && !ArcOnV2)
- E3 = StartEdge;
- else
- E3 = BRepLib_MakeEdge( V2, V3 );
- E4.Reverse();
- TopoDS_Shape localAnEdge = anEdge.Oriented(TopAbs_FORWARD);
- const TopoDS_Edge& anEdgeFWD = TopoDS::Edge(localAnEdge);
- Standard_Real ParV1 = BRep_Tool::Parameter(V1, anEdgeFWD);
- Standard_Real ParV2 = BRep_Tool::Parameter(V2, anEdgeFWD);
- BRep_Builder BB;
- TopoDS_Wire theWire;
- BB.MakeWire(theWire);
- if (ToReverse)
- {
- BB.Add(theWire, anEdge.Reversed());
- BB.Add(theWire, E3.Reversed());
- BB.Add(theWire, OE.Reversed());
- BB.Add(theWire, E4.Reversed());
- }
- else
- {
- BB.Add(theWire, anEdge);
- BB.Add(theWire, E3);
- BB.Add(theWire, OE);
- BB.Add(theWire, E4);
- }
- BRepLib::BuildCurves3d( theWire, myTol );
- theWire.Closed(Standard_True);
- TopoDS_Face NewFace;
- Handle(Geom_Surface) theSurf;
- BRepAdaptor_Curve BAcurve(anEdge);
- BRepAdaptor_Curve BAcurveOE(OE);
- Standard_Real fpar = BAcurve.FirstParameter();
- Standard_Real lpar = BAcurve.LastParameter();
- gp_Pnt PonE = BAcurve.Value(fpar);
- gp_Pnt PonOE = BAcurveOE.Value(fpar);
- gp_Dir OffsetDir = gce_MakeDir( PonE, PonOE );
- Handle(Geom2d_Line) EdgeLine2d, OELine2d, aLine2d, aLine2d2;
- Standard_Boolean IsPlanar = Standard_False;
- if (BAcurve.GetType() == GeomAbs_Circle &&
- BAcurveOE.GetType() == GeomAbs_Circle)
+ TopoDS_Edge anEdge = TopoDS::Edge(itl.Value());
+ TopoDS_Face aFaceOfEdge = TopoDS::Face(MapEF(anEdge));
+
+ // Check for offset existence.
+ if (!myInitOffsetEdge.HasImage(anEdge))
+ continue;
+
+ // Check for existence of two different vertices.
+ TopTools_ListOfShape LOE, LOE2;
+ myInitOffsetEdge.LastImage( anEdge, LOE );
+ myImageOffset.LastImage( LOE.Last(), LOE2 );
+ TopoDS_Edge OE = TopoDS::Edge( LOE2.Last() );
+ TopoDS_Vertex V1, V2, V3, V4;
+ TopExp::Vertices(OE, V4, V3);
+ TopExp::Vertices(anEdge, V1, V2);
+ Standard_Real aF, aL;
+ const Handle(Geom_Curve) aC = BRep_Tool::Curve(anEdge, aF, aL);
+ if (!aC.IsNull() &&
+ (!aC->IsClosed() && !aC->IsPeriodic()))
+ {
+ gp_Pnt aPntF = BRep_Tool::Pnt(V1);
+ gp_Pnt aPntL = BRep_Tool::Pnt(V2);
+ Standard_Real aDistE = aPntF.SquareDistance(aPntL);
+ if ( aDistE < Precision::SquareConfusion())
+ {
+ // Bad case: non closed, but vertexes mapped to same 3d point.
+ continue;
+ }
+
+ Standard_Real anEdgeTol = BRep_Tool::Tolerance(anEdge);
+ if (aDistE < anEdgeTol)
+ {
+ // Potential problems not detected via checkshape.
+ gp_Pnt aPntOF = BRep_Tool::Pnt(V4);
+ gp_Pnt aPntOL = BRep_Tool::Pnt(V3);
+ if (aPntOF.SquareDistance(aPntOL) > gp::Resolution())
{
- gp_Circ aCirc = BAcurve.Circle();
- gp_Circ aCircOE = BAcurveOE.Circle();
- gp_Lin anAxisLine(aCirc.Axis());
- gp_Dir CircAxisDir = aCirc.Axis().Direction();
- if (aCirc.Axis().IsParallel(aCircOE.Axis(), Precision::Confusion()) &&
- anAxisLine.Contains(aCircOE.Location(), Precision::Confusion()))
- { //cylinder, plane or cone
- if (Abs(aCirc.Radius() - aCircOE.Radius()) <= Precision::Confusion()) //case of cylinder
- theSurf = GC_MakeCylindricalSurface(aCirc).Value();
- else if (aCirc.Location().Distance(aCircOE.Location()) <= Precision::Confusion()) {//case of plane
- IsPlanar = Standard_True;
+ // To avoid computation of complex analytical continuation of Sin / ArcSin.
+ Standard_Real aSinValue = Min(2 * anEdgeTol / aPntOF.Distance(aPntOL), 1.0);
+ Standard_Real aMaxAngle = Min(Abs(ASin(aSinValue)), M_PI_4); // Maximal angle.
+ Standard_Real aCurrentAngle = gp_Vec(aPntF, aPntL).Angle(gp_Vec(aPntOF, aPntOL));
+ if (aC->IsKind(STANDARD_TYPE(Geom_Line)) &&
+ Abs (aCurrentAngle) > aMaxAngle)
+ {
+ // anEdge not collinear to offset edge.
+ isBuildFromScratch = Standard_True;
+ myIsPerformSewing = Standard_True;
+ continue;
+ }
+ }
+ }
+ }
+
+ Standard_Boolean ToReverse = Standard_False;
+ if (!V1.IsSame(PrevVertex))
+ {
+ TopoDS_Vertex aVtx = V1; V1 = V2; V2 = aVtx;
+ aVtx = V3; V3 = V4; V4 = aVtx;
+ ToReverse = Standard_True;
+ }
+
+ OE.Orientation(TopAbs::Reverse(anEdge.Orientation()));
+ TopoDS_Edge E3, E4;
+ Standard_Boolean ArcOnV2 = ((myJoin == GeomAbs_Arc) && (myInitOffsetEdge.HasImage(V2)));
+ if (FirstStep || isBuildFromScratch)
+ {
+ E4 = BRepLib_MakeEdge( V1, V4 );
+ if (FirstStep)
+ StartEdge = E4;
+ }
+ else
+ E4 = PrevEdge;
+ if (V2.IsSame(StartVertex) && !ArcOnV2)
+ E3 = StartEdge;
+ else
+ E3 = BRepLib_MakeEdge( V2, V3 );
+ E4.Reverse();
+
+ if (isBuildFromScratch)
+ {
+ E3.Reverse();
+ E4.Reverse();
+ }
+
+ TopoDS_Shape localAnEdge = anEdge.Oriented(TopAbs_FORWARD);
+ const TopoDS_Edge& anEdgeFWD = TopoDS::Edge(localAnEdge);
+ Standard_Real ParV1 = BRep_Tool::Parameter(V1, anEdgeFWD);
+ Standard_Real ParV2 = BRep_Tool::Parameter(V2, anEdgeFWD);
+ BRep_Builder BB;
+ TopoDS_Wire theWire;
+ BB.MakeWire(theWire);
+ if (ToReverse)
+ {
+ BB.Add(theWire, anEdge.Reversed());
+ BB.Add(theWire, E3.Reversed());
+ BB.Add(theWire, OE.Reversed());
+ BB.Add(theWire, E4.Reversed());
+ }
+ else
+ {
+ BB.Add(theWire, anEdge);
+ BB.Add(theWire, E3);
+ BB.Add(theWire, OE);
+ BB.Add(theWire, E4);
+ }
+
+ BRepLib::BuildCurves3d( theWire, myTol );
+ theWire.Closed(Standard_True);
+ TopoDS_Face NewFace;
+ Handle(Geom_Surface) theSurf;
+ BRepAdaptor_Curve BAcurve(anEdge);
+ BRepAdaptor_Curve BAcurveOE(OE);
+ Standard_Real fpar = BAcurve.FirstParameter();
+ Standard_Real lpar = BAcurve.LastParameter();
+ gp_Pnt PonE = BAcurve.Value(fpar);
+ gp_Pnt PonOE = BAcurveOE.Value(fpar);
+ gp_Dir OffsetDir = gce_MakeDir( PonE, PonOE );
+ Handle(Geom2d_Line) EdgeLine2d, OELine2d, aLine2d, aLine2d2;
+ Standard_Boolean IsPlanar = Standard_False;
+ if (BAcurve.GetType() == GeomAbs_Circle &&
+ BAcurveOE.GetType() == GeomAbs_Circle)
+ {
+ gp_Circ aCirc = BAcurve.Circle();
+ gp_Circ aCircOE = BAcurveOE.Circle();
+ gp_Lin anAxisLine(aCirc.Axis());
+ gp_Dir CircAxisDir = aCirc.Axis().Direction();
+ if (aCirc.Axis().IsParallel(aCircOE.Axis(), Precision::Confusion()) &&
+ anAxisLine.Contains(aCircOE.Location(), Precision::Confusion()))
+ { //cylinder, plane or cone
+ if (Abs(aCirc.Radius() - aCircOE.Radius()) <= Precision::Confusion()) //case of cylinder
+ theSurf = GC_MakeCylindricalSurface(aCirc).Value();
+ else if (aCirc.Location().Distance(aCircOE.Location()) <= Precision::Confusion()) {//case of plane
+ IsPlanar = Standard_True;
+ //
+ gp_Pnt PonEL = BAcurve.Value(lpar);
+ if (PonEL.Distance(PonE) <= Precision::PConfusion()) {
+ Standard_Boolean bIsHole;
+ TopoDS_Edge aE1, aE2;
+ TopoDS_Wire aW1, aW2;
+ Handle(Geom_Plane) aPL;
+ IntTools_FClass2d aClsf;
+ //
+ if (aCirc.Radius()>aCircOE.Radius()) {
+ aE1 = anEdge;
+ aE2 = OE;
+ } else {
+ aE1 = OE;
+ aE2 = anEdge;
+ }
+ //
+ BB.MakeWire(aW1);
+ BB.Add(aW1, aE1);
+ BB.MakeWire(aW2);
+ BB.Add(aW2, aE2);
+ //
+ aPL = new Geom_Plane(aCirc.Location(), CircAxisDir);
+ for (Standard_Integer i = 0; i < 2; ++i) {
+ TopoDS_Wire& aW = (i==0) ? aW1 : aW2;
+ TopoDS_Edge& aE = (i==0) ? aE1 : aE2;
//
- gp_Pnt PonEL = BAcurve.Value(lpar);
- if (PonEL.Distance(PonE) <= Precision::PConfusion()) {
- Standard_Boolean bIsHole;
- TopoDS_Edge aE1, aE2;
- TopoDS_Wire aW1, aW2;
- Handle(Geom_Plane) aPL;
- IntTools_FClass2d aClsf;
- //
- if (aCirc.Radius()>aCircOE.Radius()) {
- aE1 = anEdge;
- aE2 = OE;
- } else {
- aE1 = OE;
- aE2 = anEdge;
- }
- //
- BB.MakeWire(aW1);
- BB.Add(aW1, aE1);
- BB.MakeWire(aW2);
- BB.Add(aW2, aE2);
- //
- aPL = new Geom_Plane(aCirc.Location(), CircAxisDir);
- for (Standard_Integer i = 0; i < 2; ++i) {
- TopoDS_Wire& aW = (i==0) ? aW1 : aW2;
- TopoDS_Edge& aE = (i==0) ? aE1 : aE2;
- //
- TopoDS_Face aFace;
- BB.MakeFace(aFace, aPL, Precision::Confusion());
- BB.Add (aFace, aW);
- aClsf.Init(aFace, Precision::Confusion());
- bIsHole=aClsf.IsHole();
- if ((bIsHole && !i) || (!bIsHole && i)) {
- aW.Nullify();
- BB.MakeWire(aW);
- BB.Add(aW, aE.Reversed());
- }
- }
- //
- BB.MakeFace(NewFace, aPL, Precision::Confusion());
- BB.Add(NewFace, aW1);
- BB.Add(NewFace, aW2);
+ TopoDS_Face aFace;
+ BB.MakeFace(aFace, aPL, Precision::Confusion());
+ BB.Add (aFace, aW);
+ aClsf.Init(aFace, Precision::Confusion());
+ bIsHole=aClsf.IsHole();
+ if ((bIsHole && !i) || (!bIsHole && i)) {
+ aW.Nullify();
+ BB.MakeWire(aW);
+ BB.Add(aW, aE.Reversed());
}
}
- else //case of cone
+ //
+ BB.MakeFace(NewFace, aPL, Precision::Confusion());
+ BB.Add(NewFace, aW1);
+ BB.Add(NewFace, aW2);
+ }
+ }
+ else //case of cone
+ {
+ gp_Cone theCone = gce_MakeCone(aCirc.Location(), aCircOE.Location(),
+ aCirc.Radius(), aCircOE.Radius());
+ gp_Ax3 theAx3(aCirc.Position());
+ if (CircAxisDir * theCone.Axis().Direction() < 0.)
+ {
+ theAx3.ZReverse();
+ CircAxisDir.Reverse();
+ }
+ theCone.SetPosition(theAx3);
+ theSurf = new Geom_ConicalSurface(theCone);
+ }
+ if (!IsPlanar) {
+ TopLoc_Location Loc;
+ EdgeLine2d = new Geom2d_Line(gp_Pnt2d(0., 0.), gp_Dir2d(1., 0.));
+ BB.UpdateEdge(anEdge, EdgeLine2d, theSurf, Loc, Precision::Confusion());
+ Standard_Real Coeff = (OffsetDir * CircAxisDir > 0.)? 1. : -1.;
+ OELine2d = new Geom2d_Line(gp_Pnt2d(0., OffsetVal*Coeff), gp_Dir2d(1., 0.));
+ BB.UpdateEdge(OE, OELine2d, theSurf, Loc, Precision::Confusion());
+ aLine2d = new Geom2d_Line(gp_Pnt2d(ParV2, 0.), gp_Dir2d(0., Coeff));
+ aLine2d2 = new Geom2d_Line(gp_Pnt2d(ParV1, 0.), gp_Dir2d(0., Coeff));
+ if (E3.IsSame(E4))
+ {
+ if (Coeff > 0.)
+ BB.UpdateEdge(E3, aLine2d, aLine2d2, theSurf, Loc, Precision::Confusion());
+ else
{
- gp_Cone theCone = gce_MakeCone(aCirc.Location(), aCircOE.Location(),
- aCirc.Radius(), aCircOE.Radius());
- gp_Ax3 theAx3(aCirc.Position());
- if (CircAxisDir * theCone.Axis().Direction() < 0.)
- {
- theAx3.ZReverse();
- CircAxisDir.Reverse();
- }
- theCone.SetPosition(theAx3);
- theSurf = new Geom_ConicalSurface(theCone);
- }
- if (!IsPlanar) {
- TopLoc_Location Loc;
- EdgeLine2d = new Geom2d_Line(gp_Pnt2d(0., 0.), gp_Dir2d(1., 0.));
- BB.UpdateEdge(anEdge, EdgeLine2d, theSurf, Loc, Precision::Confusion());
- Standard_Real Coeff = (OffsetDir * CircAxisDir > 0.)? 1. : -1.;
- OELine2d = new Geom2d_Line(gp_Pnt2d(0., OffsetVal*Coeff), gp_Dir2d(1., 0.));
- BB.UpdateEdge(OE, OELine2d, theSurf, Loc, Precision::Confusion());
- aLine2d = new Geom2d_Line(gp_Pnt2d(ParV2, 0.), gp_Dir2d(0., Coeff));
- aLine2d2 = new Geom2d_Line(gp_Pnt2d(ParV1, 0.), gp_Dir2d(0., Coeff));
- if (E3.IsSame(E4))
- {
- if (Coeff > 0.)
- BB.UpdateEdge(E3, aLine2d, aLine2d2, theSurf, Loc, Precision::Confusion());
- else
- {
- BB.UpdateEdge(E3, aLine2d2, aLine2d, theSurf, Loc, Precision::Confusion());
- theWire.Nullify();
- BB.MakeWire(theWire);
- BB.Add(theWire, anEdge.Oriented(TopAbs_REVERSED));
- BB.Add(theWire, E4);
- BB.Add(theWire, OE.Oriented(TopAbs_FORWARD));
- BB.Add(theWire, E3);
- theWire.Closed(Standard_True);
- }
- }
- else
- {
- BB.SameParameter(E3, Standard_False);
- BB.SameRange(E3, Standard_False);
- BB.SameParameter(E4, Standard_False);
- BB.SameRange(E4, Standard_False);
- BB.UpdateEdge(E3, aLine2d, theSurf, Loc, Precision::Confusion());
- BB.Range(E3, theSurf, Loc, 0., OffsetVal);
- BB.UpdateEdge(E4, aLine2d2, theSurf, Loc, Precision::Confusion());
- BB.Range(E4, theSurf, Loc, 0., OffsetVal);
- }
- NewFace = BRepLib_MakeFace(theSurf, theWire);
+ BB.UpdateEdge(E3, aLine2d2, aLine2d, theSurf, Loc, Precision::Confusion());
+ theWire.Nullify();
+ BB.MakeWire(theWire);
+ BB.Add(theWire, anEdge.Oriented(TopAbs_REVERSED));
+ BB.Add(theWire, E4);
+ BB.Add(theWire, OE.Oriented(TopAbs_FORWARD));
+ BB.Add(theWire, E3);
+ theWire.Closed(Standard_True);
}
- } //cylinder or cone
- } //if both edges are arcs of circles
- if (NewFace.IsNull())
- {
- BRepLib_MakeFace MF(theWire, Standard_True); //Only plane
- if (MF.Error() == BRepLib_FaceDone)
- {
- NewFace = MF.Face();
- IsPlanar = Standard_True;
- }
- else //Extrusion (by thrusections)
- {
- Handle(Geom_Curve) EdgeCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
- Handle(Geom_TrimmedCurve) TrEdgeCurve =
- new Geom_TrimmedCurve( EdgeCurve, fpar, lpar );
- Standard_Real fparOE, lparOE;
- Handle(Geom_Curve) OffsetCurve = BRep_Tool::Curve(OE, fparOE, lparOE);
- Handle(Geom_TrimmedCurve) TrOffsetCurve =
- new Geom_TrimmedCurve( OffsetCurve, fparOE, lparOE );
- GeomFill_Generator ThrusecGenerator;
- ThrusecGenerator.AddCurve( TrEdgeCurve );
- ThrusecGenerator.AddCurve( TrOffsetCurve );
- ThrusecGenerator.Perform( Precision::PConfusion() );
- theSurf = ThrusecGenerator.Surface();
- //theSurf = new Geom_SurfaceOfLinearExtrusion( TrOffsetCurve, OffsetDir );
- Standard_Real Uf, Ul, Vf, Vl;
- theSurf->Bounds(Uf, Ul, Vf, Vl);
- TopLoc_Location Loc;
- EdgeLine2d = new Geom2d_Line(gp_Pnt2d(0., Vf), gp_Dir2d(1., 0.));
- BB.UpdateEdge(anEdge, EdgeLine2d, theSurf, Loc, Precision::Confusion());
- OELine2d = new Geom2d_Line(gp_Pnt2d(0., Vl), gp_Dir2d(1., 0.));
- BB.UpdateEdge(OE, OELine2d, theSurf, Loc, Precision::Confusion());
- Standard_Real UonV1 = (ToReverse)? Ul : Uf;
- Standard_Real UonV2 = (ToReverse)? Uf : Ul;
- aLine2d = new Geom2d_Line(gp_Pnt2d(UonV2, 0.), gp_Dir2d(0., 1.));
- aLine2d2 = new Geom2d_Line(gp_Pnt2d(UonV1, 0.), gp_Dir2d(0., 1.));
- if (E3.IsSame(E4))
- {
- BB.UpdateEdge(E3, aLine2d, aLine2d2, theSurf, Loc, Precision::Confusion());
- Handle(Geom_Curve) BSplC34 = theSurf->UIso( Uf );
- BB.UpdateEdge(E3, BSplC34, Precision::Confusion());
- BB.Range(E3, Vf, Vl);
- }
- else
- {
- BB.SameParameter(E3, Standard_False);
- BB.SameRange(E3, Standard_False);
- BB.SameParameter(E4, Standard_False);
- BB.SameRange(E4, Standard_False);
- BB.UpdateEdge(E3, aLine2d, theSurf, Loc, Precision::Confusion());
- BB.Range(E3, theSurf, Loc, Vf, Vl);
- BB.UpdateEdge(E4, aLine2d2, theSurf, Loc, Precision::Confusion());
- BB.Range(E4, theSurf, Loc, Vf, Vl);
- Handle(Geom_Curve) BSplC3 = theSurf->UIso( UonV2 );
- BB.UpdateEdge(E3, BSplC3, Precision::Confusion());
- BB.Range(E3, Vf, Vl, Standard_True); //only for 3d curve
- Handle(Geom_Curve) BSplC4 = theSurf->UIso( UonV1 );
- BB.UpdateEdge(E4, BSplC4, Precision::Confusion());
- BB.Range(E4, Vf, Vl, Standard_True); //only for 3d curve
- }
- NewFace = BRepLib_MakeFace(theSurf, theWire);
- }
- }
- if (!IsPlanar)
- {
- Standard_Real fparOE = BAcurveOE.FirstParameter();
- Standard_Real lparOE = BAcurveOE.LastParameter();
- TopLoc_Location Loc;
- if (Abs(fpar - fparOE) > Precision::Confusion())
- {
- const TopoDS_Edge& anE4 = (ToReverse)? E3 : E4;
- gp_Pnt2d fp2d = EdgeLine2d->Value(fpar);
- gp_Pnt2d fp2dOE = OELine2d->Value(fparOE);
- aLine2d2 = GCE2d_MakeLine( fp2d, fp2dOE ).Value();
- Handle(Geom_Curve) aCurve;
- Standard_Real FirstPar = 0., LastPar = fp2d.Distance(fp2dOE);
- Geom2dAdaptor_Curve AC2d( aLine2d2, FirstPar, LastPar );
- GeomAdaptor_Surface GAsurf( theSurf );
- Handle(Geom2dAdaptor_HCurve) HC2d = new Geom2dAdaptor_HCurve( AC2d );
- Handle(GeomAdaptor_HSurface) HSurf = new GeomAdaptor_HSurface( GAsurf );
- Adaptor3d_CurveOnSurface ConS( HC2d, HSurf );
- Standard_Real max_deviation = 0., average_deviation;
- GeomLib::BuildCurve3d(Precision::Confusion(),
- ConS, FirstPar, LastPar,
- aCurve, max_deviation, average_deviation);
- BB.UpdateEdge( anE4, aCurve, max_deviation );
- BB.UpdateEdge( anE4, aLine2d2, theSurf, Loc, max_deviation );
- BB.Range( anE4, FirstPar, LastPar );
- }
- if (Abs(lpar - lparOE) > Precision::Confusion())
- {
- const TopoDS_Edge& anE3 = (ToReverse)? E4 : E3;
- gp_Pnt2d lp2d = EdgeLine2d->Value(lpar);
- gp_Pnt2d lp2dOE = OELine2d->Value(lparOE);
- aLine2d = GCE2d_MakeLine( lp2d, lp2dOE ).Value();
- Handle(Geom_Curve) aCurve;
- Standard_Real FirstPar = 0., LastPar = lp2d.Distance(lp2dOE);
- Geom2dAdaptor_Curve AC2d( aLine2d, FirstPar, LastPar );
- GeomAdaptor_Surface GAsurf( theSurf );
- Handle(Geom2dAdaptor_HCurve) HC2d = new Geom2dAdaptor_HCurve( AC2d );
- Handle(GeomAdaptor_HSurface) HSurf = new GeomAdaptor_HSurface( GAsurf );
- Adaptor3d_CurveOnSurface ConS( HC2d, HSurf );
- Standard_Real max_deviation = 0., average_deviation;
- GeomLib::BuildCurve3d(Precision::Confusion(),
- ConS, FirstPar, LastPar,
- aCurve, max_deviation, average_deviation);
- BB.UpdateEdge( anE3, aCurve, max_deviation );
- BB.UpdateEdge( anE3, aLine2d, theSurf, Loc, max_deviation );
- BB.Range( anE3, FirstPar, LastPar );
- }
- }
- BRepLib::SameParameter(NewFace);
- BRepTools::Update(NewFace);
- myWalls.Append(NewFace);
- if (ArcOnV2)
- {
- TopoDS_Edge anArc = TopoDS::Edge(myInitOffsetEdge.Image(V2).First());
- TopoDS_Vertex arcV1, arcV2;
- TopExp::Vertices(anArc, arcV1, arcV2);
- Standard_Boolean ArcReverse = Standard_False;
- if (!arcV1.IsSame(V3))
- {
- TopoDS_Vertex aVtx = arcV1; arcV1 = arcV2; arcV2 = aVtx;
- ArcReverse = Standard_True;
- }
- TopoDS_Edge EA1, EA2;
- //EA1 = (ToReverse)? E3 : TopoDS::Edge(E3.Reversed());
- EA1 = E3;
- EA1.Reverse();
- if (ToReverse)
- EA1.Reverse();
- //////////////////////////////////////////////////////
- if (V2.IsSame(StartVertex))
- EA2 = StartEdge;
- else
- EA2 = BRepLib_MakeEdge( V2, arcV2 );
- anArc.Orientation( ((ArcReverse)? TopAbs_REVERSED : TopAbs_FORWARD) );
- if (EA1.Orientation() == TopAbs_REVERSED)
- anArc.Reverse();
- EA2.Orientation(TopAbs::Reverse(EA1.Orientation()));
- TopoDS_Wire arcWire;
- BB.MakeWire(arcWire);
- BB.Add(arcWire, EA1);
- BB.Add(arcWire, anArc);
- BB.Add(arcWire, EA2);
- BRepLib::BuildCurves3d( arcWire, myTol );
- arcWire.Closed(Standard_True);
- TopoDS_Face arcFace = BRepLib_MakeFace(arcWire, Standard_True);
- BRepTools::Update(arcFace);
- myWalls.Append(arcFace);
- TopoDS_Shape localEA2 = EA2.Oriented(TopAbs_FORWARD);
- const TopoDS_Edge& CEA2 = TopoDS::Edge(localEA2);
- PrevEdge = CEA2;
- PrevVertex = V2;
- }
- else
- {
- PrevEdge = E3;
- PrevVertex = V2;
- }
- FirstStep = Standard_False;
- }
+ }
+ else
+ {
+ BB.SameParameter(E3, Standard_False);
+ BB.SameRange(E3, Standard_False);
+ BB.SameParameter(E4, Standard_False);
+ BB.SameRange(E4, Standard_False);
+ BB.UpdateEdge(E3, aLine2d, theSurf, Loc, Precision::Confusion());
+ BB.Range(E3, theSurf, Loc, 0., OffsetVal);
+ BB.UpdateEdge(E4, aLine2d2, theSurf, Loc, Precision::Confusion());
+ BB.Range(E4, theSurf, Loc, 0., OffsetVal);
+ }
+ NewFace = BRepLib_MakeFace(theSurf, theWire);
+ }
+ } //cylinder or cone
+ } //if both edges are arcs of circles
+ if (NewFace.IsNull())
+ {
+ BRepLib_MakeFace MF(theWire, Standard_True); //Only plane
+ if (MF.Error() == BRepLib_FaceDone)
+ {
+ NewFace = MF.Face();
+ IsPlanar = Standard_True;
+ }
+ else //Extrusion (by thrusections)
+ {
+ Handle(Geom_Curve) EdgeCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
+ Handle(Geom_TrimmedCurve) TrEdgeCurve =
+ new Geom_TrimmedCurve( EdgeCurve, fpar, lpar );
+ Standard_Real fparOE, lparOE;
+ Handle(Geom_Curve) OffsetCurve = BRep_Tool::Curve(OE, fparOE, lparOE);
+ Handle(Geom_TrimmedCurve) TrOffsetCurve =
+ new Geom_TrimmedCurve( OffsetCurve, fparOE, lparOE );
+ GeomFill_Generator ThrusecGenerator;
+ ThrusecGenerator.AddCurve( TrEdgeCurve );
+ ThrusecGenerator.AddCurve( TrOffsetCurve );
+ ThrusecGenerator.Perform( Precision::PConfusion() );
+ theSurf = ThrusecGenerator.Surface();
+ //theSurf = new Geom_SurfaceOfLinearExtrusion( TrOffsetCurve, OffsetDir );
+ Standard_Real Uf, Ul, Vf, Vl;
+ theSurf->Bounds(Uf, Ul, Vf, Vl);
+ TopLoc_Location Loc;
+ EdgeLine2d = new Geom2d_Line(gp_Pnt2d(0., Vf), gp_Dir2d(1., 0.));
+ BB.UpdateEdge(anEdge, EdgeLine2d, theSurf, Loc, Precision::Confusion());
+ OELine2d = new Geom2d_Line(gp_Pnt2d(0., Vl), gp_Dir2d(1., 0.));
+ BB.UpdateEdge(OE, OELine2d, theSurf, Loc, Precision::Confusion());
+ Standard_Real UonV1 = (ToReverse)? Ul : Uf;
+ Standard_Real UonV2 = (ToReverse)? Uf : Ul;
+ aLine2d = new Geom2d_Line(gp_Pnt2d(UonV2, 0.), gp_Dir2d(0., 1.));
+ aLine2d2 = new Geom2d_Line(gp_Pnt2d(UonV1, 0.), gp_Dir2d(0., 1.));
+ if (E3.IsSame(E4))
+ {
+ BB.UpdateEdge(E3, aLine2d, aLine2d2, theSurf, Loc, Precision::Confusion());
+ Handle(Geom_Curve) BSplC34 = theSurf->UIso( Uf );
+ BB.UpdateEdge(E3, BSplC34, Precision::Confusion());
+ BB.Range(E3, Vf, Vl);
+ }
+ else
+ {
+ BB.SameParameter(E3, Standard_False);
+ BB.SameRange(E3, Standard_False);
+ BB.SameParameter(E4, Standard_False);
+ BB.SameRange(E4, Standard_False);
+ BB.UpdateEdge(E3, aLine2d, theSurf, Loc, Precision::Confusion());
+ BB.Range(E3, theSurf, Loc, Vf, Vl);
+ BB.UpdateEdge(E4, aLine2d2, theSurf, Loc, Precision::Confusion());
+ BB.Range(E4, theSurf, Loc, Vf, Vl);
+ Handle(Geom_Curve) BSplC3 = theSurf->UIso( UonV2 );
+ BB.UpdateEdge(E3, BSplC3, Precision::Confusion());
+ BB.Range(E3, Vf, Vl, Standard_True); //only for 3d curve
+ Handle(Geom_Curve) BSplC4 = theSurf->UIso( UonV1 );
+ BB.UpdateEdge(E4, BSplC4, Precision::Confusion());
+ BB.Range(E4, Vf, Vl, Standard_True); //only for 3d curve
+ }
+ NewFace = BRepLib_MakeFace(theSurf, theWire);
+ }
+ }
+ if (!IsPlanar)
+ {
+ Standard_Real fparOE = BAcurveOE.FirstParameter();
+ Standard_Real lparOE = BAcurveOE.LastParameter();
+ TopLoc_Location Loc;
+ if (Abs(fpar - fparOE) > Precision::Confusion())
+ {
+ const TopoDS_Edge& anE4 = (ToReverse)? E3 : E4;
+ gp_Pnt2d fp2d = EdgeLine2d->Value(fpar);
+ gp_Pnt2d fp2dOE = OELine2d->Value(fparOE);
+ aLine2d2 = GCE2d_MakeLine( fp2d, fp2dOE ).Value();
+ Handle(Geom_Curve) aCurve;
+ Standard_Real FirstPar = 0., LastPar = fp2d.Distance(fp2dOE);
+ Geom2dAdaptor_Curve AC2d( aLine2d2, FirstPar, LastPar );
+ GeomAdaptor_Surface GAsurf( theSurf );
+ Handle(Geom2dAdaptor_HCurve) HC2d = new Geom2dAdaptor_HCurve( AC2d );
+ Handle(GeomAdaptor_HSurface) HSurf = new GeomAdaptor_HSurface( GAsurf );
+ Adaptor3d_CurveOnSurface ConS( HC2d, HSurf );
+ Standard_Real max_deviation = 0., average_deviation;
+ GeomLib::BuildCurve3d(Precision::Confusion(),
+ ConS, FirstPar, LastPar,
+ aCurve, max_deviation, average_deviation);
+ BB.UpdateEdge( anE4, aCurve, max_deviation );
+ BB.UpdateEdge( anE4, aLine2d2, theSurf, Loc, max_deviation );
+ BB.Range( anE4, FirstPar, LastPar );
+ }
+ if (Abs(lpar - lparOE) > Precision::Confusion())
+ {
+ const TopoDS_Edge& anE3 = (ToReverse)? E4 : E3;
+ gp_Pnt2d lp2d = EdgeLine2d->Value(lpar);
+ gp_Pnt2d lp2dOE = OELine2d->Value(lparOE);
+ aLine2d = GCE2d_MakeLine( lp2d, lp2dOE ).Value();
+ Handle(Geom_Curve) aCurve;
+ Standard_Real FirstPar = 0., LastPar = lp2d.Distance(lp2dOE);
+ Geom2dAdaptor_Curve AC2d( aLine2d, FirstPar, LastPar );
+ GeomAdaptor_Surface GAsurf( theSurf );
+ Handle(Geom2dAdaptor_HCurve) HC2d = new Geom2dAdaptor_HCurve( AC2d );
+ Handle(GeomAdaptor_HSurface) HSurf = new GeomAdaptor_HSurface( GAsurf );
+ Adaptor3d_CurveOnSurface ConS( HC2d, HSurf );
+ Standard_Real max_deviation = 0., average_deviation;
+ GeomLib::BuildCurve3d(Precision::Confusion(),
+ ConS, FirstPar, LastPar,
+ aCurve, max_deviation, average_deviation);
+ BB.UpdateEdge( anE3, aCurve, max_deviation );
+ BB.UpdateEdge( anE3, aLine2d, theSurf, Loc, max_deviation );
+ BB.Range( anE3, FirstPar, LastPar );
+ }
+ }
+ BRepLib::SameParameter(NewFace);
+ BRepTools::Update(NewFace);
+ //Check orientation
+ TopAbs_Orientation anOr = OrientationOfEdgeInFace(anEdge, aFaceOfEdge);
+ TopAbs_Orientation OrInNewFace = OrientationOfEdgeInFace(anEdge, NewFace);
+ if (OrInNewFace != TopAbs::Reverse(anOr))
+ NewFace.Reverse();
+ ///////////////////
+ myWalls.Append(NewFace);
+ if (ArcOnV2)
+ {
+ TopoDS_Edge anArc = TopoDS::Edge(myInitOffsetEdge.Image(V2).First());
+ TopoDS_Vertex arcV1, arcV2;
+ TopExp::Vertices(anArc, arcV1, arcV2);
+ Standard_Boolean ArcReverse = Standard_False;
+ if (!arcV1.IsSame(V3))
+ {
+ TopoDS_Vertex aVtx = arcV1; arcV1 = arcV2; arcV2 = aVtx;
+ ArcReverse = Standard_True;
+ }
+ TopoDS_Edge EA1, EA2;
+ //EA1 = (ToReverse)? E3 : TopoDS::Edge(E3.Reversed());
+ EA1 = E3;
+ EA1.Reverse();
+ if (ToReverse)
+ EA1.Reverse();
+ //////////////////////////////////////////////////////
+ if (V2.IsSame(StartVertex))
+ EA2 = StartEdge;
+ else
+ EA2 = BRepLib_MakeEdge( V2, arcV2 );
+ anArc.Orientation( ((ArcReverse)? TopAbs_REVERSED : TopAbs_FORWARD) );
+ if (EA1.Orientation() == TopAbs_REVERSED)
+ anArc.Reverse();
+ EA2.Orientation(TopAbs::Reverse(EA1.Orientation()));
+ TopoDS_Wire arcWire;
+ BB.MakeWire(arcWire);
+ BB.Add(arcWire, EA1);
+ BB.Add(arcWire, anArc);
+ BB.Add(arcWire, EA2);
+ BRepLib::BuildCurves3d( arcWire, myTol );
+ arcWire.Closed(Standard_True);
+ TopoDS_Face arcFace = BRepLib_MakeFace(arcWire, Standard_True);
+ BRepTools::Update(arcFace);
+ myWalls.Append(arcFace);
+ TopoDS_Shape localEA2 = EA2.Oriented(TopAbs_FORWARD);
+ const TopoDS_Edge& CEA2 = TopoDS::Edge(localEA2);
+ PrevEdge = CEA2;
+ PrevVertex = V2;
+ }
+ else
+ {
+ if (isBuildFromScratch)
+ {
+ PrevEdge = TopoDS::Edge(E4);
+ PrevVertex = V1;
+ isBuildFromScratch = Standard_False;
+ }
+ else
+ {
+ PrevEdge = E3;
+ PrevVertex = V2;
+ }
+ }
+ FirstStep = Standard_False;
}
+ }
}
//=======================================================================
{
#ifdef OCCT_DEBUG
if (ChronBuild) {
- cout << " RECONSTRUCTION OF SHELLS:" << endl;
+ std::cout << " RECONSTRUCTION OF SHELLS:" << std::endl;
Clock.Reset();
Clock.Start();
}
#endif
- BRepTools_Quilt Glue;
+ //
+ // Prepare list of splits of the offset faces to make the shells
+ TopTools_ListOfShape aLSF;
const TopTools_ListOfShape& R = myImageOffset.Roots();
TopTools_ListIteratorOfListOfShape it(R);
-
- for ( ; it.More(); it.Next()) {
+ //
+ for (; it.More(); it.Next()) {
+ TopoDS_Shape aF = it.Value();
+ if (myThickening) //offsetted faces must change their orientations
+ aF.Reverse();
+ //
TopTools_ListOfShape Image;
- myImageOffset.LastImage(it.Value(),Image);
+ myImageOffset.LastImage(aF,Image);
TopTools_ListIteratorOfListOfShape it2(Image);
- for ( ; it2.More(); it2.Next()) {
- Glue.Add(it2.Value());
+ for (; it2.More(); it2.Next()) {
+ const TopoDS_Shape& aFIm = it2.Value();
+ aLSF.Append(aFIm);
}
}
-
- if (myThickening)
- {
+ //
+ if (myThickening) {
TopExp_Explorer Explo(myShape, TopAbs_FACE);
- for (; Explo.More(); Explo.Next())
- Glue.Add(Explo.Current());
-
- for (it.Initialize(myWalls); it.More(); it.Next())
- Glue.Add(it.Value());
+ for (; Explo.More(); Explo.Next()) {
+ const TopoDS_Shape& aF = Explo.Current();
+ aLSF.Append(aF);
+ }
+ //
+ it.Initialize(myWalls);
+ for (; it.More(); it.Next()) {
+ const TopoDS_Shape& aF = it.Value();
+ aLSF.Append(aF);
+ }
+ }
+ //
+ if (aLSF.IsEmpty()) {
+ return;
+ }
+ //
+ Standard_Boolean bDone = Standard_False;
+ if ((myJoin == GeomAbs_Intersection) && myInter &&
+ !myThickening && myFaces.IsEmpty() &&
+ IsSolid(myShape) && myIsPlanar) {
+ //
+ TopoDS_Shape aShells;
+ bDone = BuildShellsCompleteInter(aLSF, myImageOffset, aShells);
+ if (bDone) {
+ myOffsetShape = aShells;
+ }
+ }
+ //
+ if (!bDone) {
+ BRepTools_Quilt Glue;
+ TopTools_ListIteratorOfListOfShape aItLS(aLSF);
+ for (; aItLS.More(); aItLS.Next()) {
+ Glue.Add(aItLS.Value());
+ }
+ myOffsetShape = Glue.Shells();
}
-
- myOffsetShape = Glue.Shells();
//
//Set correct value for closed flag
TopExp_Explorer Explo(myOffsetShape, TopAbs_SHELL);
aS.Closed(Standard_True);
}
}
- }
+ }
}
//=======================================================================
}
}
}
- TopoDS_Iterator anIt(Sol);
- Standard_Boolean SolIsNull = !anIt.More();
+ Standard_Integer nbs = Sol.NbChildren();
+ Standard_Boolean SolIsNull = (nbs == 0);
//Checking solid
- if(!SolIsNull)
+ if (nbs > 1)
{
- Standard_Integer nbs = 0;
- while(anIt.More()) {anIt.Next(); ++nbs;}
- if(nbs > 1)
+ BRepCheck_Analyzer aCheck (Sol, Standard_False);
+ if (!aCheck.IsValid ())
{
- BRepCheck_Analyzer aCheck(Sol, Standard_False);
- if(!aCheck.IsValid())
+ TopTools_ListOfShape aSolList;
+ CorrectSolid (Sol, aSolList);
+ if (!aSolList.IsEmpty ())
{
- TopTools_ListOfShape aSolList;
- CorrectSolid(Sol, aSolList);
- if(!aSolList.IsEmpty())
+ B.Add (NC, Sol);
+ TopTools_ListIteratorOfListOfShape aSLIt (aSolList);
+ for (; aSLIt.More (); aSLIt.Next ())
{
- B.Add(NC, Sol);
- TopTools_ListIteratorOfListOfShape aSLIt(aSolList);
- for(; aSLIt.More(); aSLIt.Next())
- {
- B.Add(NC, aSLIt.Value());
- }
- SolIsNull = Standard_True;
+ B.Add (NC, aSLIt.Value ());
}
+ SolIsNull = Standard_True;
}
}
}
- anIt.Initialize(NC);
- Standard_Boolean NCIsNull = !anIt.More();
+ Standard_Boolean NCIsNull = (NC.NbChildren() == 0);
if((!SolIsNull) && (!NCIsNull))
{
B.Add(NC, Sol);
//=======================================================================
void BRepOffset_MakeOffset::SelectShells ()
-{
+{
TopTools_MapOfShape FreeEdges;
TopExp_Explorer exp(myShape,TopAbs_EDGE);
//-------------------------------------------------------------
const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
const TopTools_ListOfShape& LA = myAnalyse.Ancestors(E);
if (LA.Extent() < 2) {
- if (myAnalyse.Type(E).First().Type() == BRepOffset_FreeBoundary) {
- FreeEdges.Add(E);
+ if (myAnalyse.Type(E).First().Type() == ChFiDS_FreeBound) {
+ FreeEdges.Add(E);
}
}
}
{
#ifdef OCCT_DEBUG
if (ChronBuild) {
- cout << " CODING OF REGULARITIES:" << endl;
+ std::cout << " CODING OF REGULARITIES:" << std::endl;
Clock.Reset();
Clock.Start();
}
if (LofOF.Extent() != 2) {
#ifdef OCCT_DEBUG_VERB
- cout << " Edge shared by " << LofOF.Extent() << " Faces" << endl;
+ std::cout << " Edge shared by " << LofOF.Extent() << " Faces" << std::endl;
#endif
continue;
}
if (F1.IsSame(F2)) {
if (BRep_Tool::IsClosed(OE,F1)) {
- // Temporary Debug for the Bench.
- // Check with YFR.
- // In mode intersection, the edges are not coded in myInitOffsetEdge
- // so, manage case by case
- // Note DUB; for Hidden parts, it is NECESSARY to code CN
- // Analytic Surfaces.
- if (myJoin == GeomAbs_Intersection) {
- BRepAdaptor_Surface BS(F1,Standard_False);
- GeomAbs_SurfaceType SType = BS.GetType();
- if (SType == GeomAbs_Cylinder ||
- SType == GeomAbs_Cone ||
- SType == GeomAbs_Sphere ||
- SType == GeomAbs_Torus ) {
- B.Continuity(OE,F1,F1,GeomAbs_CN);
- }
- else {
- // See YFR : MaJ of myInitOffsetFace
- }
- }
- else if (myInitOffsetEdge.IsImage(ROE)) {
- if ( Type1 == TopAbs_FACE && Type2 == TopAbs_FACE) {
- const TopoDS_Face& FRoot = TopoDS::Face(Root1);
- const TopoDS_Edge& EI = TopoDS::Edge(myInitOffsetEdge.ImageFrom(ROE));
- GeomAbs_Shape Conti = BRep_Tool::Continuity(EI,FRoot,FRoot);
- if (Conti == GeomAbs_CN) {
- B.Continuity(OE,F1,F1,GeomAbs_CN);
- }
- else if ( Conti > GeomAbs_C0) {
- B.Continuity(OE,F1,F1,GeomAbs_G1);
- }
- }
- }
+ // Temporary Debug for the Bench.
+ // Check with YFR.
+ // In mode intersection, the edges are not coded in myInitOffsetEdge
+ // so, manage case by case
+ // Note DUB; for Hidden parts, it is NECESSARY to code CN
+ // Analytic Surfaces.
+ if (myJoin == GeomAbs_Intersection) {
+ BRepAdaptor_Surface BS(F1,Standard_False);
+ GeomAbs_SurfaceType SType = BS.GetType();
+ if (SType == GeomAbs_Cylinder ||
+ SType == GeomAbs_Cone ||
+ SType == GeomAbs_Sphere ||
+ SType == GeomAbs_Torus ) {
+ B.Continuity(OE,F1,F1,GeomAbs_CN);
+ }
+ else {
+ // See YFR : MaJ of myInitOffsetFace
+ }
+ }
+ else if (myInitOffsetEdge.IsImage(ROE)) {
+ if ( Type1 == TopAbs_FACE && Type2 == TopAbs_FACE) {
+ const TopoDS_Face& FRoot = TopoDS::Face(Root1);
+ const TopoDS_Edge& EI = TopoDS::Edge(myInitOffsetEdge.ImageFrom(ROE));
+ GeomAbs_Shape Conti = BRep_Tool::Continuity(EI,FRoot,FRoot);
+ if (Conti == GeomAbs_CN) {
+ B.Continuity(OE,F1,F1,GeomAbs_CN);
+ }
+ else if ( Conti > GeomAbs_C0) {
+ B.Continuity(OE,F1,F1,GeomAbs_G1);
+ }
+ }
+ }
}
continue;
}
TopoDS_Vertex V1,V2;
TopExp::Vertices(TopoDS::Edge(Root1), V1, V2);
if ( V1.IsSame(Root2) || V2.IsSame(Root2)) {
- B.Continuity(OE,F1,F2,GeomAbs_G1);
+ B.Continuity(OE,F1,F2,GeomAbs_G1);
}
}
else if ( Type1 == TopAbs_VERTEX && Type2 == TopAbs_EDGE) {
TopoDS_Vertex V1,V2;
TopExp::Vertices(TopoDS::Edge(Root2), V1, V2);
if ( V1.IsSame(Root1) || V2.IsSame(Root1)) {
- B.Continuity(OE,F1,F2,GeomAbs_G1);
+ B.Continuity(OE,F1,F2,GeomAbs_G1);
}
}
else if ( Type1 == TopAbs_FACE && Type2 == TopAbs_EDGE) {
TopExp_Explorer exp2(Root1,TopAbs_EDGE);
for ( ; exp2.More(); exp2.Next()) {
- if ( exp2.Current().IsSame(Root2)) {
- B.Continuity(OE,F1,F2,GeomAbs_G1);
- break;
- }
+ if ( exp2.Current().IsSame(Root2)) {
+ B.Continuity(OE,F1,F2,GeomAbs_G1);
+ break;
+ }
}
}
else if ( Type1 == TopAbs_EDGE && Type2 == TopAbs_FACE) {
TopExp_Explorer exp2(Root2,TopAbs_EDGE);
for ( ; exp2.More(); exp2.Next()) {
- if ( exp2.Current().IsSame(Root1)) {
- B.Continuity(OE,F1,F2,GeomAbs_G1);
- break;
- }
+ if ( exp2.Current().IsSame(Root1)) {
+ B.Continuity(OE,F1,F2,GeomAbs_G1);
+ break;
+ }
}
}
else if ( Type1 == TopAbs_FACE && Type2 == TopAbs_FACE) {
// if two root faces are tangent in
// the initial shape, they will be tangent in the offset shape
- TopTools_ListOfShape LE,LV;
- BRepOffset_Tool::HasCommonShapes(TopoDS::Face(Root1),
- TopoDS::Face(Root2),
- LE,LV);
- if ( LE.Extent() == 1) {
- const TopoDS_Edge& Ed = TopoDS::Edge(LE.First());
- if ( myAnalyse.HasAncestor(Ed)) {
- const BRepOffset_ListOfInterval& LI = myAnalyse.Type(Ed);
- if (LI.Extent() == 1 &&
- LI.First().Type() == BRepOffset_Tangent) {
- B.Continuity(OE,F1,F2,GeomAbs_G1);
- }
- }
+ TopTools_ListOfShape LE;
+ BRepOffset_Tool::FindCommonShapes(Root1, Root2, TopAbs_EDGE, LE);
+ if ( LE.Extent() == 1) {
+ const TopoDS_Edge& Ed = TopoDS::Edge(LE.First());
+ if ( myAnalyse.HasAncestor(Ed)) {
+ const BRepOffset_ListOfInterval& LI = myAnalyse.Type(Ed);
+ if (LI.Extent() == 1 &&
+ LI.First().Type() == ChFiDS_Tangential) {
+ B.Continuity(OE,F1,F2,GeomAbs_G1);
+ }
+ }
}
}
else if ( Type1 == TopAbs_EDGE && Type2 == TopAbs_EDGE) {
TopTools_ListOfShape LV;
- TopExp_Explorer exp1,exp2;
- for (exp1.Init(Root1,TopAbs_VERTEX); exp1.More(); exp1.Next()) {
- TopExp_Explorer exp2(F2,TopAbs_EDGE);
- for (exp2.Init(Root2,TopAbs_VERTEX); exp2.More(); exp2.Next()) {
- if (exp1.Current().IsSame(exp2.Current())) {
- LV.Append(exp1.Current());
- }
- }
- }
+ BRepOffset_Tool::FindCommonShapes(Root1, Root2, TopAbs_VERTEX, LV);
if ( LV.Extent() == 1) {
- TopTools_ListOfShape LEdTg;
- myAnalyse.TangentEdges(TopoDS::Edge(Root1),
- TopoDS::Vertex(LV.First()),
- LEdTg);
- TopTools_ListIteratorOfListOfShape it(LEdTg);
- for (; it.More(); it.Next()) {
- if ( it.Value().IsSame(Root2)) {
- B.Continuity(OE,F1,F2,GeomAbs_G1);
- break;
- }
- }
+ TopTools_ListOfShape LEdTg;
+ myAnalyse.TangentEdges(TopoDS::Edge(Root1),
+ TopoDS::Vertex(LV.First()),
+ LEdTg);
+ TopTools_ListIteratorOfListOfShape it(LEdTg);
+ for (; it.More(); it.Next()) {
+ if ( it.Value().IsSame(Root2)) {
+ B.Continuity(OE,F1,F2,GeomAbs_G1);
+ break;
+ }
+ }
}
}
}
#endif
}
-
-
+//=======================================================================
+//function : ComputeMaxDist
+//purpose :
+//=======================================================================
+Standard_Real ComputeMaxDist(const gp_Pln& thePlane,
+ const Handle(Geom_Curve)& theCrv,
+ const Standard_Real theFirst,
+ const Standard_Real theLast)
+{
+ Standard_Real aMaxDist = 0.;
+ Standard_Integer i, NCONTROL = 23;
+ Standard_Real aPrm, aDist2;
+ gp_Pnt aP;
+ for (i = 0; i< NCONTROL; i++) {
+ aPrm = ((NCONTROL - 1 - i)*theFirst + i*theLast) / (NCONTROL - 1);
+ aP = theCrv->Value(aPrm);
+ if (Precision::IsInfinite(aP.X()) || Precision::IsInfinite(aP.Y())
+ || Precision::IsInfinite(aP.Z()))
+ {
+ return Precision::Infinite();
+ }
+ aDist2 = thePlane.SquareDistance(aP);
+ if (aDist2 > aMaxDist) aMaxDist = aDist2;
+ }
+ return sqrt(aMaxDist)*1.05;
+}
//=======================================================================
//function : UpDateTolerance
//purpose :
//=======================================================================
void UpdateTolerance (TopoDS_Shape& S,
- const TopTools_IndexedMapOfShape& Faces)
+ const TopTools_IndexedMapOfShape& Faces)
{
BRep_Builder B;
TopTools_MapOfShape View;
}
}
- TopExp_Explorer Exp;
- for (Exp.Init(S,TopAbs_EDGE); Exp.More(); Exp.Next()) {
- TopoDS_Edge E = TopoDS::Edge(Exp.Current());
- if (View.Add(E)) {
- Handle(BRepCheck_Edge) EdgeCorrector = new BRepCheck_Edge(E);
- Standard_Real Tol = EdgeCorrector->Tolerance();
- B.UpdateEdge (E,Tol);
-
- // Update the vertices.
- TopExp::Vertices(E,V[0],V[1]);
-
- for (Standard_Integer i = 0 ; i <=1 ; i++) {
- if (View.Add(V[i])) {
- Handle(BRep_TVertex) TV = Handle(BRep_TVertex)::DownCast(V[i].TShape());
- TV->Tolerance(0.);
- Handle(BRepCheck_Vertex) VertexCorrector = new BRepCheck_Vertex(V[i]);
- B.UpdateVertex (V[i],VertexCorrector->Tolerance());
- // use the occasion to clean the vertices.
- (TV->ChangePoints()).Clear();
- }
- B.UpdateVertex(V[i],Tol);
+ Standard_Real Tol;
+ TopExp_Explorer ExpF;
+ for (ExpF.Init(S, TopAbs_FACE); ExpF.More(); ExpF.Next())
+ {
+ const TopoDS_Shape& F = ExpF.Current();
+ if (Faces.Contains(F))
+ {
+ continue;
+ }
+ BRepAdaptor_Surface aBAS(TopoDS::Face(F), Standard_False);
+ TopExp_Explorer Exp;
+ for (Exp.Init(F, TopAbs_EDGE); Exp.More(); Exp.Next()) {
+ TopoDS_Edge E = TopoDS::Edge(Exp.Current());
+ Standard_Boolean isUpdated = Standard_False;
+ if (aBAS.GetType() == GeomAbs_Plane)
+ {
+ //Edge does not seem to have pcurve on plane,
+ //so EdgeCorrector does not include it in tolerance calculation
+ Standard_Real aFirst, aLast;
+ Handle(Geom_Curve) aCrv = BRep_Tool::Curve(E, aFirst, aLast);
+ Standard_Real aMaxDist = ComputeMaxDist(aBAS.Plane(), aCrv, aFirst, aLast);
+ B.UpdateEdge(E, aMaxDist);
+ isUpdated = Standard_True;
+ }
+ if (View.Add(E))
+ {
+
+ BRepCheck_Edge EdgeCorrector(E);
+ Tol = EdgeCorrector.Tolerance();
+ B.UpdateEdge(E, Tol);
+ isUpdated = Standard_True;
+ }
+ if (isUpdated)
+ {
+ Tol = BRep_Tool::Tolerance(E);
+ // Update the vertices.
+ TopExp::Vertices(E, V[0], V[1]);
+
+ for (Standard_Integer i = 0; i <= 1; i++) {
+ if (View.Add(V[i])) {
+ Handle(BRep_TVertex) TV = Handle(BRep_TVertex)::DownCast(V[i].TShape());
+ TV->Tolerance(0.);
+ BRepCheck_Vertex VertexCorrector(V[i]);
+ B.UpdateVertex(V[i], VertexCorrector.Tolerance());
+ // use the occasion to clean the vertices.
+ (TV->ChangePoints()).Clear();
+ }
+ B.UpdateVertex(V[i], Tol);
+ }
}
}
}
aVols.Append(aVProps.Mass());
}
//
+ if (Abs(anOuterVol) < Precision::Confusion()) {
+ return;
+ }
if(anOuterVol < 0.)
{
anOuterShell.Reverse();
}
theSol = aNewSol;
}
+
+//=======================================================================
+//function : CheckInputData
+//purpose : Check input data for possiblity of offset perform.
+//=======================================================================
+Standard_Boolean BRepOffset_MakeOffset::CheckInputData()
+{
+ // Set initial error state.
+ myError = BRepOffset_NoError;
+ TopoDS_Shape aTmpShape;
+ myBadShape = aTmpShape;
+
+ // Non-null offset.
+ if (Abs(myOffset) <= myTol)
+ {
+ Standard_Boolean isFound = Standard_False;
+ TopTools_DataMapIteratorOfDataMapOfShapeReal anIter(myFaceOffset);
+ for( ; anIter.More(); anIter.Next())
+ {
+ if (Abs(anIter.Value()) > myTol)
+ {
+ isFound = Standard_True;
+ break;
+ }
+ }
+
+ if (!isFound)
+ {
+ // No face with non-null offset found.
+ myError = BRepOffset_NullOffset;
+ return Standard_False;
+ }
+ }
+
+ // Connectivity of input shape.
+ if (!IsConnectedShell(myShape))
+ {
+ myError = BRepOffset_NotConnectedShell;
+ return Standard_False;
+ }
+
+ // Normals check and continuity check.
+ const Standard_Integer aPntPerDim = 20; // 21 points on each dimension.
+ Standard_Real aUmin, aUmax, aVmin, aVmax;
+ TopExp_Explorer anExpSF(myShape, TopAbs_FACE);
+ NCollection_Map<Handle(TopoDS_TShape)> aPresenceMap;
+ TopLoc_Location L;
+ gp_Pnt2d aPnt2d;
+ for( ; anExpSF.More(); anExpSF.Next())
+ {
+ const TopoDS_Face& aF = TopoDS::Face(anExpSF.Current());
+
+ if (aPresenceMap.Contains(aF.TShape()))
+ {
+ // Not perform computations with partner shapes,
+ // since they are contain same geometry.
+ continue;
+ }
+ aPresenceMap.Add(aF.TShape());
+
+ const Handle(Geom_Surface)& aSurf = BRep_Tool::Surface(aF, L);
+ BRepTools::UVBounds(aF, aUmin, aUmax, aVmin, aVmax);
+
+ // Continuity check.
+ if (aSurf->Continuity() == GeomAbs_C0)
+ {
+ myError = BRepOffset_C0Geometry;
+ return Standard_False;
+ }
+
+ // Get degenerated points, to avoid check them.
+ NCollection_Vector<gp_Pnt> aBad3dPnts;
+ TopExp_Explorer anExpFE(aF, TopAbs_EDGE);
+ for( ; anExpFE.More(); anExpFE.Next())
+ {
+ const TopoDS_Edge &aE = TopoDS::Edge(anExpFE.Current());
+ if (BRep_Tool::Degenerated(aE))
+ {
+ aBad3dPnts.Append(BRep_Tool::Pnt((TopExp::FirstVertex(aE))));
+ }
+ }
+
+ // Geometry grid check.
+ for(Standard_Integer i = 0; i <= aPntPerDim; i++)
+ {
+ Standard_Real aUParam = aUmin + (aUmax - aUmin) * i / aPntPerDim;
+ for(Standard_Integer j = 0; j <= aPntPerDim; j++)
+ {
+ Standard_Real aVParam = aVmin + (aVmax - aVmin) * j / aPntPerDim;
+
+ myError = checkSinglePoint(aUParam, aVParam, aSurf, aBad3dPnts);
+ if (myError != BRepOffset_NoError)
+ return Standard_False;
+ }
+ }
+
+ // Vertex list check.
+ TopExp_Explorer anExpFV(aF, TopAbs_VERTEX);
+ for( ; anExpFV.More(); anExpFV.Next())
+ {
+ const TopoDS_Vertex &aV = TopoDS::Vertex(anExpFV.Current());
+ aPnt2d = BRep_Tool::Parameters(aV, aF);
+
+ myError = checkSinglePoint(aPnt2d.X(), aPnt2d.Y(), aSurf, aBad3dPnts);
+ if (myError != BRepOffset_NoError)
+ return Standard_False;
+ }
+ }
+
+ return Standard_True;
+}
+
+
+//=======================================================================
+//function : GetBadShape
+//purpose : Get shape where problems detected.
+//=======================================================================
+const TopoDS_Shape& BRepOffset_MakeOffset::GetBadShape() const
+{
+ return myBadShape;
+}
+
+//=======================================================================
+//function : RemoveInternalEdges
+//purpose :
+//=======================================================================
+void BRepOffset_MakeOffset::RemoveInternalEdges()
+{
+ Standard_Boolean bRemoveWire, bRemoveEdge;
+ TopExp_Explorer aExpF, aExpW, aExpE;
+ TopTools_IndexedDataMapOfShapeListOfShape aDMELF;
+ //
+ TopExp::MapShapesAndAncestors(myOffsetShape, TopAbs_EDGE, TopAbs_FACE, aDMELF);
+ //
+ aExpF.Init(myOffsetShape, TopAbs_FACE);
+ for (; aExpF.More(); aExpF.Next()) {
+ TopoDS_Face& aF = *(TopoDS_Face*)&aExpF.Current();
+ //
+ TopTools_ListOfShape aLIW;
+ //
+ aExpW.Init(aF, TopAbs_WIRE);
+ for (; aExpW.More(); aExpW.Next()) {
+ TopoDS_Wire& aW = *(TopoDS_Wire*)&aExpW.Current();
+ //
+ bRemoveWire = Standard_True;
+ TopTools_ListOfShape aLIE;
+ //
+ aExpE.Init(aW, TopAbs_EDGE);
+ for (; aExpE.More(); aExpE.Next()) {
+ const TopoDS_Edge& aE = *(TopoDS_Edge*)&aExpE.Current();
+ if (aE.Orientation() != TopAbs_INTERNAL) {
+ bRemoveWire = Standard_False;
+ continue;
+ }
+ //
+ const TopTools_ListOfShape& aLF = aDMELF.FindFromKey(aE);
+ bRemoveEdge = (aLF.Extent() == 1);
+ if (bRemoveEdge) {
+ aLIE.Append(aE);
+ }
+ else {
+ bRemoveWire = Standard_False;
+ }
+ }
+ //
+ if (bRemoveWire) {
+ aLIW.Append(aW);
+ }
+ else if (aLIE.Extent()) {
+ RemoveShapes(aW, aLIE);
+ }
+ }
+ //
+ if (aLIW.Extent()) {
+ RemoveShapes(aF, aLIW);
+ }
+ }
+}
+
+//=======================================================================
+// static methods implementation
+//=======================================================================
+
+//=======================================================================
+//function : checkSinglePoint
+//purpose : Check single point on surface for bad normals
+//=======================================================================
+BRepOffset_Error checkSinglePoint(const Standard_Real theUParam,
+ const Standard_Real theVParam,
+ const Handle(Geom_Surface)& theSurf,
+ const NCollection_Vector<gp_Pnt>& theBadPoints)
+{
+ gp_Pnt aPnt;
+ gp_Vec aD1U, aD1V;
+ theSurf->D1(theUParam, theVParam, aPnt, aD1U, aD1V);
+
+ if (aD1U.SquareMagnitude() < Precision::SquareConfusion() ||
+ aD1V.SquareMagnitude() < Precision::SquareConfusion() )
+ {
+ Standard_Boolean isKnownBadPnt = Standard_False;
+ for(Standard_Integer anIdx = theBadPoints.Lower();
+ anIdx <= theBadPoints.Upper();
+ ++anIdx)
+ {
+ if (aPnt.SquareDistance(theBadPoints(anIdx)) < Precision::SquareConfusion())
+ {
+ isKnownBadPnt = Standard_True;
+ break;
+ }
+ } // for(Standard_Integer anIdx = theBadPoints.Lower();
+
+ if (!isKnownBadPnt)
+ {
+ return BRepOffset_BadNormalsOnGeometry;
+ }
+ else
+ {
+ return BRepOffset_NoError;
+ }
+ } // if (aD1U.SquareMagnitude() < Precision::SquareConfusion() ||
+
+ if (aD1U.IsParallel(aD1V, Precision::Confusion()))
+ {
+ // Isolines are collinear.
+ return BRepOffset_BadNormalsOnGeometry;
+ }
+
+ return BRepOffset_NoError;
+}
+
+//=======================================================================
+//function : RemoveShapes
+//purpose : Removes the shapes <theLS> from the shape <theS>
+//=======================================================================
+void RemoveShapes(TopoDS_Shape& theS,
+ const TopTools_ListOfShape& theLS)
+{
+ BRep_Builder aBB;
+ //
+ Standard_Boolean bFree = theS.Free();
+ theS.Free(Standard_True);
+ //
+ TopTools_ListIteratorOfListOfShape aIt(theLS);
+ for (; aIt.More(); aIt.Next()) {
+ const TopoDS_Shape& aSI = aIt.Value();
+ aBB.Remove(theS, aSI);
+ }
+ //
+ theS.Free(bFree);
+}
+
+//=======================================================================
+//function : UpdateHistory
+//purpose : Updates the history information
+//=======================================================================
+void UpdateHistory(const TopTools_ListOfShape& theLF,
+ BOPAlgo_Builder& theGF,
+ BRepAlgo_Image& theImage)
+{
+ TopTools_ListIteratorOfListOfShape aIt(theLF);
+ for (; aIt.More(); aIt.Next()) {
+ const TopoDS_Shape& aF = aIt.Value();
+ const TopTools_ListOfShape& aLFIm = theGF.Modified(aF);
+ if (aLFIm.Extent()) {
+ if (theImage.HasImage(aF)) {
+ theImage.Add(aF, aLFIm);
+ }
+ else {
+ theImage.Bind(aF, aLFIm);
+ }
+ }
+ }
+}
+
+//=======================================================================
+//function : IntersectEdges
+//purpose :
+//=======================================================================
+void BRepOffset_MakeOffset::IntersectEdges(const TopTools_ListOfShape& theFaces,
+ BRepOffset_DataMapOfShapeOffset& theMapSF,
+ TopTools_DataMapOfShapeShape& theMES,
+ TopTools_DataMapOfShapeShape& theBuild,
+ Handle(BRepAlgo_AsDes)& theAsDes,
+ Handle(BRepAlgo_AsDes)& theAsDes2d)
+{
+ Standard_Real aTolF;
+ TopTools_IndexedDataMapOfShapeListOfShape aDMVV;
+ // intersect edges created from edges
+ TopTools_IndexedMapOfShape aMFV;
+ for (TopTools_ListOfShape::Iterator it (theFaces); it.More(); it.Next())
+ {
+ const TopoDS_Face& aF = TopoDS::Face (it.Value());
+ aTolF = BRep_Tool::Tolerance (aF);
+ if (!BRepOffset_Inter2d::ConnexIntByInt(aF, theMapSF(aF), theMES, theBuild, theAsDes2d,
+ myOffset, aTolF, myAnalyse, aMFV, aDMVV))
+ {
+ myError = BRepOffset_CannotExtentEdge;
+ return;
+ }
+ }
+ // intersect edges created from vertices
+ Standard_Integer i, aNbF = aMFV.Extent();
+ for (i = 1; i <= aNbF; ++i) {
+ const TopoDS_Face& aF = TopoDS::Face(aMFV(i));
+ aTolF = BRep_Tool::Tolerance(aF);
+ BRepOffset_Inter2d::ConnexIntByIntInVert
+ (aF, theMapSF(aF), theMES, theBuild, theAsDes, theAsDes2d, aTolF, myAnalyse, aDMVV);
+ }
+ //
+ // fuse vertices on edges
+ if (!BRepOffset_Inter2d::FuseVertices(aDMVV, theAsDes2d))
+ {
+ myError = BRepOffset_CannotFuseVertices;
+ return;
+ }
+}
+
+//=======================================================================
+//function : TrimEdges
+//purpose :
+//=======================================================================
+Standard_Boolean TrimEdges(const TopoDS_Shape& theShape,
+ const Standard_Real theOffset,
+ const BRepOffset_Analyse& Analyse,
+ BRepOffset_DataMapOfShapeOffset& theMapSF,
+ TopTools_DataMapOfShapeShape& theMES,
+ TopTools_DataMapOfShapeShape& theBuild,
+ Handle(BRepAlgo_AsDes)& theAsDes,
+ Handle(BRepAlgo_AsDes)& theAsDes2d,
+ TopTools_IndexedMapOfShape& theNewEdges,
+ TopTools_DataMapOfShapeShape& theETrimEInf,
+ TopTools_DataMapOfShapeListOfShape& theEdgesOrigins)
+{
+ TopExp_Explorer Exp,Exp2,ExpC;
+ TopoDS_Shape NE;
+ TopoDS_Edge TNE;
+ TopoDS_Face NF;
+
+ TopTools_ListOfShape aLFaces;
+ for (Exp.Init (theShape, TopAbs_FACE); Exp.More(); Exp.Next())
+ aLFaces.Append (Exp.Current());
+
+ TopTools_MapOfShape aMFGenerated;
+ TopTools_IndexedDataMapOfShapeListOfShape aDMEF;
+ for (TopTools_ListOfShape::Iterator it (Analyse.NewFaces()); it.More(); it.Next())
+ {
+ const TopoDS_Shape& aFG = it.Value();
+ aLFaces.Append (aFG);
+ aMFGenerated.Add (aFG);
+ TopExp::MapShapesAndUniqueAncestors (aFG, TopAbs_EDGE, TopAbs_FACE, aDMEF);
+ }
+
+ for (TopTools_ListOfShape::Iterator it (aLFaces); it.More(); it.Next())
+ {
+ const TopoDS_Face& FI = TopoDS::Face (it.Value());
+ NF = theMapSF(FI).Face();
+ if (theMES.IsBound(NF)) {
+ NF = TopoDS::Face(theMES(NF));
+ }
+ //
+ TopTools_MapOfShape View;
+ TopTools_IndexedMapOfShape VEmap;
+ Standard_Integer i, aNb;
+ //
+ TopExp::MapShapes(FI.Oriented(TopAbs_FORWARD), TopAbs_EDGE , VEmap);
+ TopExp::MapShapes(FI.Oriented(TopAbs_FORWARD), TopAbs_VERTEX, VEmap);
+ //
+ aNb = VEmap.Extent();
+ for (i = 1; i <= aNb; ++i) {
+ const TopoDS_Shape& aS = VEmap(i);
+ if (!View.Add(aS)) {
+ continue;
+ }
+ //
+ if (theBuild.IsBound(aS)) {
+ NE = theBuild(aS);
+ // keep connection to original edges
+ ExpC.Init(NE, TopAbs_EDGE);
+ for (; ExpC.More(); ExpC.Next()) {
+ const TopoDS_Edge& NEC = TopoDS::Edge(ExpC.Current());
+ TopTools_ListOfShape* pLEOr = theEdgesOrigins.ChangeSeek(NEC);
+ if (!pLEOr) {
+ pLEOr = theEdgesOrigins.Bound(NEC, TopTools_ListOfShape());
+ }
+ AppendToList(*pLEOr, aS);
+ }
+ // trim edges
+ if (NE.ShapeType() == TopAbs_EDGE) {
+ if (theNewEdges.Add(NE)) {
+ if (!TrimEdge (TopoDS::Edge(NE),theAsDes2d,theAsDes, theETrimEInf))
+ return Standard_False;
+ }
+ }
+ else {
+ //------------------------------------------------------------
+ // The Intersections are on several edges.
+ // The pieces without intersections with neighbors
+ // are removed from AsDes.
+ //------------------------------------------------------------
+ for (ExpC.Init(NE,TopAbs_EDGE); ExpC.More(); ExpC.Next()) {
+ TopoDS_Edge NEC = TopoDS::Edge(ExpC.Current());
+ if (theNewEdges.Add(NEC)) {
+ if (!theAsDes2d->Descendant(NEC).IsEmpty()) {
+ if(!TrimEdge (NEC,theAsDes2d, theAsDes, theETrimEInf))
+ return Standard_False;
+ }
+ else {
+ if (theAsDes->HasAscendant(NEC)) {
+ theAsDes->Remove(NEC);
+ }
+ }
+ }
+ }
+ }
+ }
+ else {
+ if (aS.ShapeType() != TopAbs_EDGE) {
+ continue;
+ }
+ if (aMFGenerated.Contains (FI) && aDMEF.FindFromKey (aS).Extent() == 1)
+ continue;
+
+ NE = theMapSF(FI).Generated(aS);
+ //// modified by jgv, 19.12.03 for OCC4455 ////
+ NE.Orientation(aS.Orientation());
+ //
+ TopTools_ListOfShape* pLEOr = theEdgesOrigins.ChangeSeek(NE);
+ if (!pLEOr) {
+ pLEOr = theEdgesOrigins.Bound(NE, TopTools_ListOfShape());
+ }
+ AppendToList(*pLEOr, aS);
+ //
+ if (theMES.IsBound(NE)) {
+ NE = theMES(NE);
+ NE.Orientation(aS.Orientation());
+ if (theNewEdges.Add(NE)) {
+ if (!TrimEdge (TopoDS::Edge(NE), theAsDes2d, theAsDes, theETrimEInf))
+ return Standard_False;
+ }
+ }
+ else {
+ TopoDS_Edge& anEdge = TopoDS::Edge(NE);
+ BRepAdaptor_Curve aBAC(anEdge);
+ if (aBAC.GetType() == GeomAbs_Line) {
+ TopoDS_Edge aNewEdge;
+ BRepOffset_Inter2d::ExtentEdge(anEdge, aNewEdge, theOffset);
+ theETrimEInf.Bind(anEdge, aNewEdge);
+ }
+ }
+ theAsDes->Add(NF,NE);
+ }
+ }
+ }
+ return Standard_True;
+}
+
+//=======================================================================
+//function : TrimEdge
+//purpose : Trim the edge of the largest of descendants in AsDes2d.
+// Order in AsDes two vertices that have trimmed the edge.
+//=======================================================================
+Standard_Boolean TrimEdge(TopoDS_Edge& NE,
+ const Handle(BRepAlgo_AsDes)& AsDes2d,
+ Handle(BRepAlgo_AsDes)& AsDes,
+ TopTools_DataMapOfShapeShape& theETrimEInf)
+{
+ TopoDS_Edge aSourceEdge;
+ TopoDS_Vertex V1,V2;
+ Standard_Real aT1, aT2;
+ //
+ TopExp::Vertices(NE, V1, V2);
+ BRep_Tool::Range(NE, aT1, aT2);
+ //
+ BOPTools_AlgoTools::MakeSplitEdge(NE, V1, aT1, V2, aT2, aSourceEdge);
+ //
+ //
+ Standard_Real aSameParTol = Precision::Confusion();
+
+ Standard_Real U = 0.;
+ Standard_Real UMin = Precision::Infinite();
+ Standard_Real UMax = -UMin;
+
+ const TopTools_ListOfShape& LE = AsDes2d->Descendant(NE);
+ //
+ Standard_Boolean bTrim = Standard_False;
+ //
+ if (LE.Extent() > 1) {
+ TopTools_ListIteratorOfListOfShape it (LE);
+ for (; it.More(); it.Next()) {
+ TopoDS_Vertex V = TopoDS::Vertex(it.Value());
+ if (NE.Orientation() == TopAbs_REVERSED)
+ V.Reverse();
+ //V.Orientation(TopAbs_INTERNAL);
+ if (!FindParameter(V, NE, U)) {
+ Standard_Real f, l;
+ Handle(Geom_Curve) theCurve = BRep_Tool::Curve(NE, f, l);
+ gp_Pnt thePoint = BRep_Tool::Pnt(V);
+ GeomAPI_ProjectPointOnCurve Projector(thePoint, theCurve);
+ if (Projector.NbPoints() == 0)
+ {
+ return Standard_False;
+ }
+ U = Projector.LowerDistanceParameter();
+ }
+ if (U < UMin) {
+ UMin = U; V1 = V;
+ }
+ if (U > UMax) {
+ UMax = U; V2 = V;
+ }
+ }
+ //
+ if (V1.IsNull() || V2.IsNull()) {
+ return Standard_False;
+ }
+ if (!V1.IsSame(V2)) {
+ NE.Free( Standard_True );
+ BRep_Builder B;
+ TopAbs_Orientation Or = NE.Orientation();
+ NE.Orientation(TopAbs_FORWARD);
+ TopoDS_Vertex VF,VL;
+ TopExp::Vertices (NE,VF,VL);
+ B.Remove(NE,VF);
+ B.Remove(NE,VL);
+ B.Add (NE,V1.Oriented(TopAbs_FORWARD));
+ B.Add (NE,V2.Oriented(TopAbs_REVERSED));
+ B.Range(NE,UMin,UMax);
+ NE.Orientation(Or);
+ AsDes->Add(NE,V1.Oriented(TopAbs_FORWARD));
+ AsDes->Add(NE,V2.Oriented(TopAbs_REVERSED));
+ BRepLib::SameParameter(NE, aSameParTol, Standard_True);
+ //
+ bTrim = Standard_True;
+ }
+ }
+ //
+ if (!bTrim) {
+ BRepAdaptor_Curve aBAC(NE);
+ if (aBAC.GetType() == GeomAbs_Line) {
+ if (AsDes->HasAscendant(NE)) {
+ AsDes->Remove(NE);
+ }
+ }
+ }
+ else
+ {
+ if (!theETrimEInf.IsBound(NE)) {
+ theETrimEInf.Bind(NE, aSourceEdge);
+ }
+ }
+ return Standard_True;
+}
+
+//=======================================================================
+//function : GetEnlargedFaces
+//purpose :
+//=======================================================================
+void GetEnlargedFaces(const TopTools_ListOfShape& theFaces,
+ const BRepOffset_DataMapOfShapeOffset& theMapSF,
+ const TopTools_DataMapOfShapeShape& theMES,
+ TopTools_DataMapOfShapeShape& theFacesOrigins,
+ BRepAlgo_Image& theImage,
+ TopTools_ListOfShape& theLSF)
+{
+ for (TopTools_ListOfShape::Iterator it (theFaces); it.More(); it.Next())
+ {
+ const TopoDS_Shape& FI = it.Value();
+ const TopoDS_Shape& OFI = theMapSF(FI).Face();
+ if (theMES.IsBound(OFI)) {
+ const TopoDS_Face& aLocalFace = TopoDS::Face(theMES(OFI));
+ theLSF.Append(aLocalFace);
+ theImage.SetRoot(aLocalFace);
+ theFacesOrigins.Bind(aLocalFace, FI);
+ }
+ }
+}
+
+//=======================================================================
+//function : BuildShellsCompleteInter
+//purpose : Make the shells from list of faces using MakerVolume algorithm.
+// In case there will be more than just one solid, it will be
+// rebuilt using only outer faces.
+//=======================================================================
+Standard_Boolean BuildShellsCompleteInter(const TopTools_ListOfShape& theLF,
+ BRepAlgo_Image& theImage,
+ TopoDS_Shape& theShells)
+{
+ // make solids
+ BOPAlgo_MakerVolume aMV1;
+ aMV1.SetArguments(theLF);
+ // we need to intersect the faces to process the tangential faces
+ aMV1.SetIntersect(Standard_True);
+ aMV1.SetAvoidInternalShapes(Standard_True);
+ aMV1.Perform();
+ //
+ Standard_Boolean bDone = ! aMV1.HasErrors();
+ if (!bDone) {
+ return bDone;
+ }
+ //
+ UpdateHistory(theLF, aMV1, theImage);
+ //
+ const TopoDS_Shape& aResult1 = aMV1.Shape();
+ if (aResult1.ShapeType() == TopAbs_SOLID) {
+ // result is the alone solid, nothing to do
+ return GetSubShapes(aResult1, TopAbs_SHELL, theShells);
+ }
+
+ // Allocators for effective memory allocations
+ // Global allocator for the long-living containers
+ Handle(NCollection_IncAllocator) anAllocGlob = new NCollection_IncAllocator;
+ // Local allocator for the local containers
+ Handle(NCollection_IncAllocator) anAllocLoc = new NCollection_IncAllocator;
+
+ // Since the <theImage> object does not support multiple ancestors,
+ // prepare local copy of the origins, which will be used to resolve
+ // non-manifold solids produced by Maker Volume algorithm by comparison
+ // of the normal directions of the split faces with their origins.
+ TopTools_DataMapOfShapeListOfShape anOrigins(1, anAllocGlob);
+ TopTools_ListIteratorOfListOfShape aItLR(theImage.Roots());
+ for (; aItLR.More(); aItLR.Next())
+ {
+ const TopoDS_Shape& aFR = aItLR.Value();
+
+ // Reset the local allocator
+ anAllocLoc->Reset();
+ // Find the last splits of the root face, including the ones
+ // created during MakeVolume operation
+ TopTools_ListOfShape aLFIm(anAllocLoc);
+ theImage.LastImage(aFR, aLFIm);
+
+ TopTools_ListIteratorOfListOfShape aItLFIm(aLFIm);
+ for (; aItLFIm.More(); aItLFIm.Next())
+ {
+ const TopoDS_Shape& aFIm = aItLFIm.Value();
+ TopTools_ListOfShape *pLFOr = anOrigins.ChangeSeek(aFIm);
+ if (!pLFOr) {
+ pLFOr = anOrigins.Bound(aFIm, TopTools_ListOfShape(anAllocGlob));
+ }
+ pLFOr->Append(aFR);
+ }
+ }
+
+ // Reset the local allocator
+ anAllocLoc->Reset();
+ // It is necessary to rebuild the solids, avoiding internal faces
+ // Map faces to solids
+ TopTools_IndexedDataMapOfShapeListOfShape aDMFS(1, anAllocLoc);
+ TopExp::MapShapesAndAncestors(aResult1, TopAbs_FACE, TopAbs_SOLID, aDMFS);
+ //
+ Standard_Integer i, aNb = aDMFS.Extent();
+ bDone = (aNb > 0);
+ if (!bDone) {
+ // unable to build any solid
+ return bDone;
+ }
+ //
+ // get faces attached to only one solid
+ TopTools_ListOfShape aLF(anAllocLoc);
+ for (i = 1; i <= aNb; ++i) {
+ const TopTools_ListOfShape& aLS = aDMFS(i);
+ if (aLS.Extent() == 1) {
+ const TopoDS_Shape& aF = aDMFS.FindKey(i);
+ aLF.Append(aF);
+ }
+ }
+ //
+ // make solids from the new list
+ BOPAlgo_MakerVolume aMV2;
+ aMV2.SetArguments(aLF);
+ // no need to intersect this time
+ aMV2.SetIntersect(Standard_False);
+ aMV2.SetAvoidInternalShapes(Standard_True);
+ aMV2.Perform();
+ bDone = ! aMV2.HasErrors();
+ if (!bDone) {
+ return bDone;
+ }
+ //
+ const TopoDS_Shape& aResult2 = aMV2.Shape();
+ if (aResult2.ShapeType() == TopAbs_SOLID) {
+ return GetSubShapes(aResult2, TopAbs_SHELL, theShells);
+ }
+ //
+ TopExp_Explorer aExp(aResult2, TopAbs_FACE);
+ bDone = aExp.More();
+ if (!bDone) {
+ return bDone;
+ }
+ //
+ aLF.Clear();
+ aDMFS.Clear();
+ anAllocLoc->Reset();
+
+ // the result is non-manifold - resolve it comparing normal
+ // directions of the offset faces and original faces
+ for (; aExp.More(); aExp.Next())
+ {
+ const TopoDS_Face& aF = TopoDS::Face(aExp.Current());
+ const TopTools_ListOfShape* pLFOr = anOrigins.Seek(aF);
+ if (!pLFOr)
+ {
+ Standard_ASSERT_INVOKE("BRepOffset_MakeOffset::BuildShellsCompleteInterSplit(): "
+ "Origins map does not contain the split face");
+ continue;
+ }
+ // Check orientation
+ TopTools_ListIteratorOfListOfShape aItLOr(*pLFOr);
+ for (; aItLOr.More(); aItLOr.Next())
+ {
+ const TopoDS_Face& aFOr = TopoDS::Face(aItLOr.Value());
+ if (BRepOffset_Tool::CheckPlanesNormals(aF, aFOr))
+ {
+ aLF.Append(aF);
+ break;
+ }
+ }
+ }
+ //
+ // make solid from most outer faces with correct normal direction
+ BOPAlgo_MakerVolume aMV3;
+ aMV3.SetArguments(aLF);
+ aMV3.SetIntersect(Standard_False);
+ aMV3.SetAvoidInternalShapes(Standard_True);
+ aMV3.Perform();
+ bDone = ! aMV3.HasErrors();
+ if (!bDone) {
+ return bDone;
+ }
+ //
+ const TopoDS_Shape& aResult3 = aMV3.Shape();
+ return GetSubShapes(aResult3, TopAbs_SHELL, theShells);
+}
+
+//=======================================================================
+//function : Generated
+//purpose :
+//=======================================================================
+const TopTools_ListOfShape& BRepOffset_MakeOffset::Generated (const TopoDS_Shape& theS)
+{
+ myGenerated.Clear();
+ const TopAbs_ShapeEnum aType = theS.ShapeType();
+ switch (aType)
+ {
+ case TopAbs_VERTEX:
+ {
+ if (myAnalyse.HasAncestor (theS))
+ {
+ TopTools_MapOfShape aMFence;
+ const TopTools_ListOfShape& aLA = myAnalyse.Ancestors (theS);
+ TopTools_ListOfShape::Iterator itLA (aLA);
+ for (; myGenerated.IsEmpty() && itLA.More(); itLA.Next())
+ {
+ const TopoDS_Shape& aE = itLA.Value();
+ if (!myInitOffsetEdge.HasImage (aE))
+ continue;
+ TopTools_ListOfShape aLEIm;
+ myInitOffsetEdge.LastImage (aE, aLEIm);
+ TopTools_ListOfShape::Iterator itLEIm (aLEIm);
+ for (; myGenerated.IsEmpty() && itLEIm.More(); itLEIm.Next())
+ {
+ TopoDS_Iterator itV (itLEIm.Value());
+ for (; itV.More(); itV.Next())
+ {
+ if (!aMFence.Add (itV.Value()))
+ {
+ myGenerated.Append (itV.Value());
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+ Standard_FALLTHROUGH
+ case TopAbs_EDGE:
+ {
+ if (myInitOffsetEdge.HasImage (theS))
+ {
+ myInitOffsetEdge.LastImage (theS, myGenerated);
+ }
+ }
+ Standard_FALLTHROUGH
+ case TopAbs_FACE:
+ {
+ if (myInitOffsetFace.HasImage (theS))
+ {
+ myInitOffsetFace.LastImage (theS, myGenerated);
+ }
+ break;
+ }
+ case TopAbs_SOLID:
+ {
+ if (theS.IsSame (myShape))
+ myGenerated.Append (myOffsetShape);
+ break;
+ }
+ default:
+ break;
+ }
+
+ if (myResMap.IsEmpty())
+ TopExp::MapShapes (myOffsetShape, myResMap);
+
+ for (TopTools_ListOfShape::Iterator it (myGenerated); it.More();)
+ {
+ if (myResMap.Contains (it.Value()))
+ it.Next();
+ else
+ myGenerated.Remove (it);
+ }
+
+ return myGenerated;
+}
+
+//=======================================================================
+//function : Modified
+//purpose :
+//=======================================================================
+const TopTools_ListOfShape& BRepOffset_MakeOffset::Modified (const TopoDS_Shape&)
+{
+ myGenerated.Clear();
+ return myGenerated;
+}
+
+//=======================================================================
+//function : IsDeleted
+//purpose :
+//=======================================================================
+Standard_Boolean BRepOffset_MakeOffset::IsDeleted (const TopoDS_Shape& theS)
+{
+ if (myResMap.IsEmpty())
+ TopExp::MapShapes (myOffsetShape, myResMap);
+
+ if (myResMap.Contains (theS))
+ return Standard_False;
+
+ return Generated (theS).IsEmpty()
+ && Modified (theS).IsEmpty();
+}
+
+//=======================================================================
+//function : GetSubShapes
+//purpose :
+//=======================================================================
+Standard_Boolean GetSubShapes(const TopoDS_Shape& theShape,
+ const TopAbs_ShapeEnum theSSType,
+ TopoDS_Shape& theResult)
+{
+ TopExp_Explorer aExp(theShape, theSSType);
+ if (!aExp.More()) {
+ return Standard_False;
+ }
+ //
+ TopoDS_Compound aResult;
+ BRep_Builder().MakeCompound(aResult);
+ //
+ for (; aExp.More(); aExp.Next()) {
+ const TopoDS_Shape& aSS = aExp.Current();
+ BRep_Builder().Add(aResult, aSS);
+ }
+ theResult = aResult;
+ return Standard_True;
+}
+
+//=======================================================================
+//function : IsPlanar
+//purpose : Checks if all the faces of the shape are planes
+//=======================================================================
+Standard_Boolean IsPlanar(const TopoDS_Shape& theS)
+{
+ TopExp_Explorer aExp(theS, TopAbs_FACE);
+ for (; aExp.More(); aExp.Next()) {
+ const TopoDS_Face& aF = *(TopoDS_Face*)&aExp.Current();
+ BRepAdaptor_Surface aBAS(aF, Standard_False);
+ if (aBAS.GetType() != GeomAbs_Plane) {
+ break;
+ }
+ }
+ return !aExp.More();
+}
+
+//=======================================================================
+//function : IsSolid
+//purpose : Checks if the shape is solid
+//=======================================================================
+Standard_Boolean IsSolid(const TopoDS_Shape& theS)
+{
+ TopExp_Explorer aExp(theS, TopAbs_SOLID);
+ return aExp.More();
+}
+
+//=======================================================================
+//function : AppendToList
+//purpose : Add to a list only unique elements
+//=======================================================================
+void AppendToList(TopTools_ListOfShape& theList,
+ const TopoDS_Shape& theShape)
+{
+ TopTools_ListIteratorOfListOfShape aIt(theList);
+ for (; aIt.More(); aIt.Next()) {
+ const TopoDS_Shape& aS = aIt.Value();
+ if (aS.IsSame(theShape)) {
+ return;
+ }
+ }
+ theList.Append(theShape);
+}
projects / occt.git / blobdiff