1
0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-10 18:51:21 +03:00
occt/src/BRepOffset/BRepOffset_Inter3d.cxx
omy 35e08fe886 0024057: Eliminate compiler warning C4100 in MSVC++ with warning level 4
Got rid of warning C4100: 'identifier' : unreferenced formal parameter
Got rid of compile errors
2013-07-18 13:09:32 +04:00

984 lines
33 KiB
C++
Executable File

// Created on: 1996-09-03
// Created by: Yves FRICAUD
// Copyright (c) 1996-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
// Modified by skv - Fri Dec 26 12:20:14 2003 OCC4455
#include <BRepOffset_Inter3d.ixx>
#include <BRepOffset_Tool.hxx>
#include <BRepOffset_Interval.hxx>
#include <BRepOffset_ListOfInterval.hxx>
#include <BRepOffset_DataMapOfShapeOffset.hxx>
#include <BRepOffset_Offset.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
#include <BRepLib_MakeVertex.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopOpeBRepTool_BoxSort.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopTools_MapIteratorOfMapOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <Extrema_ExtPC.hxx>
#include <TopTools_MapOfShape.hxx>
//=======================================================================
//function : BRepOffset_Inter3d
//purpose :
//=======================================================================
BRepOffset_Inter3d::BRepOffset_Inter3d(const Handle(BRepAlgo_AsDes)& AsDes,
const TopAbs_State Side ,
const Standard_Real Tol)
:myAsDes(AsDes),
mySide(Side),
myTol(Tol)
{
}
//=======================================================================
//function : ExtentEdge
//purpose :
//=======================================================================
static void ExtentEdge(const TopoDS_Face& /*F*/,
const TopoDS_Edge& E,
TopoDS_Edge& NE)
{
TopoDS_Shape aLocalShape = E.EmptyCopied();
NE = TopoDS::Edge(aLocalShape);
// NE = TopoDS::Edge(E.EmptyCopied());
// Enough for analytic edges, in general case reconstruct the
// geometry of the edge recalculating the intersection of surfaces.
NE.Orientation(TopAbs_FORWARD);
Standard_Real f,l;
BRep_Tool::Range(E,f,l);
Standard_Real length = l-f;
f -= 100*length;
l += 100*length;
BRep_Builder B;
B.Range(NE,f,l);
BRepAdaptor_Curve CE(E);
TopoDS_Vertex V1 = BRepLib_MakeVertex(CE.Value(f));
TopoDS_Vertex V2 = BRepLib_MakeVertex(CE.Value(l));
B.Add(NE,V1.Oriented(TopAbs_FORWARD));
B.Add(NE,V2.Oriented(TopAbs_REVERSED));
NE.Orientation(E.Orientation());
}
//=======================================================================
//function : SelectEdge
//purpose :
//=======================================================================
static void SelectEdge (const TopoDS_Face& /*F*/,
const TopoDS_Face& /*EF*/,
const TopoDS_Edge& E,
TopTools_ListOfShape& LInt)
{
//------------------------------------------------------------
// Proofing on the intersections on periodical faces
//------------------------------------------------------------
TopTools_ListIteratorOfListOfShape it(LInt);
// Modified by Sergey KHROMOV - Wed Jun 5 11:43:04 2002 Begin
// Standard_Real dU = 1.0e100;
Standard_Real dU = RealLast();
// Modified by Sergey KHROMOV - Wed Jun 5 11:43:05 2002 End
TopoDS_Edge GE;
Standard_Real Fst, Lst, tmp;
BRep_Tool::Range(E, Fst, Lst);
BRepAdaptor_Curve Ad1(E);
gp_Pnt PFirst = Ad1.Value( Fst );
gp_Pnt PLast = Ad1.Value( Lst );
// Modified by Sergey KHROMOV - Wed Jun 5 11:23:10 2002 Begin
Extrema_ExtPC anExt;
// Modified by Sergey KHROMOV - Wed Jun 5 11:23:11 2002 End
//----------------------------------------------------------------------
// Selection of edge that coversmost of the domain of the initial edge.
//----------------------------------------------------------------------
for (; it.More(); it.Next()) {
const TopoDS_Edge& EI = TopoDS::Edge(it.Value());
BRep_Tool::Range(EI, Fst, Lst);
BRepAdaptor_Curve Ad2(EI);
// Modified by Sergey KHROMOV - Wed Jun 5 11:25:03 2002 Begin
Standard_Integer i;
Standard_Real aTol = BRep_Tool::Tolerance(EI);
Standard_Boolean isMinFound = Standard_False;
Standard_Real aSqrDist1;
Standard_Real aSqrDist2;
anExt.Initialize(Ad2, Fst, Lst, aTol);
// Seek for the min distance for PFirst:
anExt.Perform(PFirst);
if (anExt.IsDone()) {
for (i = 1; i <= anExt.NbExt(); i++) {
if (anExt.IsMin(i)) {
const gp_Pnt &aPMin = anExt.Point(i).Value();
aSqrDist1 = PFirst.SquareDistance(aPMin);
isMinFound = Standard_True;
break;
}
}
}
if (!isMinFound) {
gp_Pnt aP1 = Ad2.Value(Fst);
gp_Pnt aP2 = Ad2.Value(Lst);
aSqrDist1 = Min(aP1.SquareDistance(PFirst), aP2.SquareDistance(PFirst));
}
// Seek for the min distance for PLast:
isMinFound = Standard_False;
anExt.Perform(PLast);
if (anExt.IsDone()) {
for (i = 1; i <= anExt.NbExt(); i++) {
if (anExt.IsMin(i)) {
const gp_Pnt &aPMin = anExt.Point(i).Value();
aSqrDist2 = PLast.SquareDistance(aPMin);
isMinFound = Standard_True;
break;
}
}
}
if (!isMinFound) {
gp_Pnt aP1 = Ad2.Value(Fst);
gp_Pnt aP2 = Ad2.Value(Lst);
aSqrDist2 = Min(aP1.SquareDistance(PLast), aP2.SquareDistance(PLast));
}
tmp = aSqrDist1 + aSqrDist2;
// gp_Pnt P1 = Ad2.Value(Fst);
// gp_Pnt P2 = Ad2.Value(Lst);
// tmp = P1.Distance(PFirst) + P2.Distance(PLast);
if( tmp <= dU ) {
dU = tmp;
GE = EI;
}
// Modified by Sergey KHROMOV - Wed Jun 5 11:24:54 2002 End
}
LInt.Clear();
LInt.Append(GE);
}
//=======================================================================
//function : CompletInt
//purpose :
//=======================================================================
void BRepOffset_Inter3d::CompletInt(const TopTools_ListOfShape& SetOfFaces,
const BRepAlgo_Image& InitOffsetFace)
{
//---------------------------------------------------------------
// Calculate the intersections of offset faces
// Distinction of intersection between faces // tangents.
//---------------------------------------------------------------
TopoDS_Face F1,F2;
TopTools_ListIteratorOfListOfShape it;
//---------------------------------------------------------------
// Construction of bounding boxes
//---------------------------------------------------------------
TopOpeBRepTool_BoxSort BOS;
BRep_Builder B;
TopoDS_Compound CompOS;
B.MakeCompound(CompOS);
for (it.Initialize(SetOfFaces); it.More(); it.Next()) {
const TopoDS_Shape& OS = it.Value();
B.Add(CompOS,OS);
}
BOS.AddBoxesMakeCOB(CompOS,TopAbs_FACE);
//---------------------------
// Intersection of faces //
//---------------------------
for (it.Initialize(SetOfFaces); it.More(); it.Next()) {
const TopoDS_Face& F1 = TopoDS::Face(it.Value());
TColStd_ListIteratorOfListOfInteger itLI = BOS.Compare(F1);
for (; itLI.More(); itLI.Next()) {
F2 = TopoDS::Face(BOS.TouchedShape(itLI));
FaceInter(F1,F2,InitOffsetFace);
}
}
}
//=======================================================================
//function : CompletInt
//purpose :
//=======================================================================
void BRepOffset_Inter3d::FaceInter(const TopoDS_Face& F1,
const TopoDS_Face& F2,
const BRepAlgo_Image& InitOffsetFace)
{
TopTools_ListOfShape LInt1, LInt2;
TopoDS_Edge NullEdge;
if (F1.IsSame(F2)) return;
if (IsDone(F1,F2)) return;
const TopoDS_Shape& InitF1 = InitOffsetFace.ImageFrom(F1);
const TopoDS_Shape& InitF2 = InitOffsetFace.ImageFrom(F2);
Standard_Boolean InterPipes = (InitF2.ShapeType() == TopAbs_EDGE &&
InitF1.ShapeType() == TopAbs_EDGE );
Standard_Boolean InterFaces = (InitF1.ShapeType() == TopAbs_FACE &&
InitF2.ShapeType() == TopAbs_FACE);
TopTools_ListOfShape LE,LV;
LInt1.Clear(); LInt2.Clear();
if (BRepOffset_Tool::HasCommonShapes(F1,F2,LE,LV) ||
myAsDes->HasCommonDescendant(F1,F2,LE)) {
//-------------------------------------------------
// F1 and F2 share shapes.
//-------------------------------------------------
if ( LE.IsEmpty() && !LV.IsEmpty()) {
if (InterPipes) {
//----------------------
// tubes share a vertex.
//----------------------
const TopoDS_Edge& EE1 = TopoDS::Edge(InitF1);
const TopoDS_Edge& EE2 = TopoDS::Edge(InitF2);
TopoDS_Vertex VE1[2],VE2[2];
TopExp::Vertices(EE1,VE1[0],VE1[1]);
TopExp::Vertices(EE2,VE2[0],VE2[1]);
TopoDS_Vertex V;
for (Standard_Integer i = 0 ; i < 2; i++) {
for (Standard_Integer j = 0 ; j < 2; j++) {
if (VE1[i].IsSame(VE2[j])) {
V = VE1[i];
}
}
}
if (!InitOffsetFace.HasImage(V)) { //no sphere
BRepOffset_Tool::PipeInter(F1,F2,LInt1,LInt2,mySide);
}
}
else {
//--------------------------------------------------------
// Intersection having only common vertices
// and supports having common edges.
// UNSUFFICIENT, but a larger criterion shakes too
// many sections.
//--------------------------------------------------------
if (InterFaces &&
BRepOffset_Tool::HasCommonShapes(TopoDS::Face(InitF1),
TopoDS::Face(InitF2),LE,LV))
if (!LE.IsEmpty())
BRepOffset_Tool::Inter3D (F1,F2,LInt1,LInt2,mySide,NullEdge);
}
}
}
else {
if (InterPipes) {
BRepOffset_Tool::PipeInter(F1,F2,LInt1,LInt2,mySide);
}
else {
BRepOffset_Tool::Inter3D (F1,F2,LInt1,LInt2,mySide,NullEdge);
}
}
Store (F1,F2,LInt1,LInt2);
}
//=======================================================================
//function : ConnexIntByArc
//purpose :
//=======================================================================
void BRepOffset_Inter3d::ConnexIntByArc(const TopTools_ListOfShape& /*SetOfFaces*/,
const TopoDS_Shape& ShapeInit,
const BRepOffset_Analyse& Analyse,
const BRepAlgo_Image& InitOffsetFace)
{
BRepOffset_Type OT = BRepOffset_Concave;
if (mySide == TopAbs_OUT) OT = BRepOffset_Convex;
TopExp_Explorer Exp(ShapeInit,TopAbs_EDGE);
TopTools_ListOfShape LInt1,LInt2;
TopoDS_Face F1,F2;
TopoDS_Edge NullEdge;
//---------------------------------------------------------------------
// etape 1 : Intersection of faces // corresponding to the initial faces
// separated by a concave edge if offset > 0, otherwise convex.
//---------------------------------------------------------------------
for (; Exp.More(); Exp.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(Exp.Current());
const BRepOffset_ListOfInterval& L = Analyse.Type(E);
if (!L.IsEmpty() && L.First().Type() == OT) {
//-----------------------------------------------------------
// edge is of the proper type , return adjacent faces.
//-----------------------------------------------------------
const TopTools_ListOfShape& Anc = Analyse.Ancestors(E);
if (Anc.Extent() == 2) {
F1 = TopoDS::Face(InitOffsetFace.Image(Anc.First()).First());
F2 = TopoDS::Face(InitOffsetFace.Image(Anc.Last ()).First());
if (!IsDone(F1,F2)) {
BRepOffset_Tool::Inter3D (F1,F2,LInt1,LInt2,mySide,E,Standard_True);
Store (F1,F2,LInt1,LInt2);
}
}
}
}
//---------------------------------------------------------------------
// etape 2 : Intersections of tubes sharing a vertex without sphere with:
// - tubes on each other edge sharing the vertex
// - faces containing an edge connected to vertex that has no tubes.
//---------------------------------------------------------------------
TopoDS_Vertex V[2];
TopTools_ListIteratorOfListOfShape it;
for (Exp.Init(ShapeInit,TopAbs_EDGE); Exp.More(); Exp.Next()) {
const TopoDS_Edge& E1 = TopoDS::Edge(Exp.Current());
if (InitOffsetFace.HasImage(E1)) {
//---------------------------
// E1 generated a tube.
//---------------------------
F1 = TopoDS::Face(InitOffsetFace.Image(E1).First());;
TopExp::Vertices(E1,V[0],V[1]);
const TopTools_ListOfShape& AncE1 = Analyse.Ancestors(E1);
for (Standard_Integer i = 0; i < 2; i++) {
if (!InitOffsetFace.HasImage(V[i])) {
//-----------------------------
// the vertex has no sphere.
//-----------------------------
const TopTools_ListOfShape& Anc = Analyse.Ancestors(V[i]);
TopTools_ListOfShape TangOnV;
Analyse.TangentEdges(E1,V[i],TangOnV);
TopTools_MapOfShape MTEV;
for (it.Initialize(TangOnV); it.More(); it.Next()) {
MTEV.Add(it.Value());
}
for (it.Initialize(Anc); it.More(); it.Next()) {
const TopoDS_Edge& E2 = TopoDS::Edge(it.Value());
// Modified by skv - Fri Jan 16 16:27:54 2004 OCC4455 Begin
// if (E1.IsSame(E2) || MTEV.Contains(E2)) continue;
Standard_Boolean isToSkip = Standard_False;
if (!E1.IsSame(E2)) {
const BRepOffset_ListOfInterval& aL = Analyse.Type(E2);
isToSkip = (MTEV.Contains(E2) &&
(aL.IsEmpty() ||
(!aL.IsEmpty() && aL.First().Type() != OT)));
}
if (E1.IsSame(E2) || isToSkip)
continue;
// Modified by skv - Fri Jan 16 16:27:54 2004 OCC4455 End
if (InitOffsetFace.HasImage(E2)) {
//-----------------------------
// E2 generated a tube.
//-----------------------------
F2 = TopoDS::Face(InitOffsetFace.Image(E2).First());
if (!IsDone(F1,F2)) {
//---------------------------------------------------------------------
// Intersection tube/tube if the edges are not tangent (AFINIR).
//----------------------------------------------------------------------
BRepOffset_Tool::PipeInter (F1,F2,LInt1,LInt2,mySide);
Store (F1,F2,LInt1,LInt2);
}
}
else {
//-------------------------------------------------------
// Intersection of the tube of E1 with faces //
// to face containing E2 if they are not tangent
// to the tube or if E2 is not a tangent edge.
//-------------------------------------------------------
const BRepOffset_ListOfInterval& L = Analyse.Type(E2);
if (!L.IsEmpty() && L.First().Type() == BRepOffset_Tangent) {
continue;
}
const TopTools_ListOfShape& AncE2 = Analyse.Ancestors(E2);
Standard_Boolean TangentFaces = Standard_False;
if (AncE2.Extent() == 2) {
TopoDS_Face InitF2 = TopoDS::Face(AncE2.First ());
TangentFaces = (InitF2.IsSame(AncE1.First()) ||
InitF2.IsSame(AncE1.Last()));
if (!TangentFaces) {
F2 = TopoDS::Face(InitOffsetFace.Image(InitF2).First());
if (!IsDone(F1,F2)) {
BRepOffset_Tool::Inter3D (F1,F2,LInt1,LInt2,mySide,NullEdge);
Store (F1,F2,LInt1,LInt2);
}
}
InitF2 = TopoDS::Face(AncE2.Last ());
TangentFaces = (InitF2.IsSame(AncE1.First()) ||
InitF2.IsSame(AncE1.Last()));
if (!TangentFaces) {
F2 = TopoDS::Face(InitOffsetFace.Image(InitF2).First());
if (!IsDone(F1,F2)) {
BRepOffset_Tool::Inter3D (F1,F2,LInt1,LInt2,mySide,NullEdge);
Store (F1,F2,LInt1,LInt2);
}
}
}
}
}
}
}
}
}
}
//=======================================================================
//function : ConnexIntByInt
//purpose :
//=======================================================================
void BRepOffset_Inter3d::ConnexIntByInt
(const TopoDS_Shape& SI,
const BRepOffset_DataMapOfShapeOffset& MapSF,
const BRepOffset_Analyse& Analyse,
TopTools_DataMapOfShapeShape& MES,
TopTools_DataMapOfShapeShape& Build,
TopTools_ListOfShape& Failed)
{
//TopExp_Explorer Exp(SI,TopAbs_EDGE);
TopTools_IndexedMapOfShape Emap;
TopExp::MapShapes( SI, TopAbs_EDGE, Emap );
TopoDS_Face F1,F2,OF1,OF2,NF1,NF2;
TopAbs_State CurSide = mySide;
BRep_Builder B;
TopTools_ListIteratorOfListOfShape it;
//for (; Exp.More(); Exp.Next()) {
for (Standard_Integer i = 1; i <= Emap.Extent(); i++) {
//const TopoDS_Edge& E = TopoDS::Edge(Exp.Current());
const TopoDS_Edge& E = TopoDS::Edge(Emap(i));
const BRepOffset_ListOfInterval& L = Analyse.Type(E);
if (!L.IsEmpty()) {
BRepOffset_Type OT = L.First().Type();
if (OT == BRepOffset_Convex || OT == BRepOffset_Concave) {
if (OT == BRepOffset_Concave) CurSide = TopAbs_IN;
else CurSide = TopAbs_OUT;
//-----------------------------------------------------------
// edge is of the proper type, return adjacent faces.
//-----------------------------------------------------------
const TopTools_ListOfShape& Anc = Analyse.Ancestors(E);
if (Anc.Extent() != 2) continue;
F1 = TopoDS::Face(Anc.First());
F2 = TopoDS::Face(Anc.Last ());
OF1 = TopoDS::Face(MapSF(F1).Face()); OF2 = TopoDS::Face(MapSF(F2).Face());
if (!MES.IsBound(OF1)) {
Standard_Boolean enlargeU = Standard_True;
Standard_Boolean enlargeVfirst = Standard_True, enlargeVlast = Standard_True;
BRepOffset_Tool::CheckBounds( F1, Analyse, enlargeU, enlargeVfirst, enlargeVlast );
BRepOffset_Tool::EnLargeFace(OF1,NF1,Standard_True,Standard_True,enlargeU,enlargeVfirst,enlargeVlast);
MES.Bind(OF1,NF1);
}
else {
NF1 = TopoDS::Face(MES(OF1));
}
if (!MES.IsBound(OF2)) {
Standard_Boolean enlargeU = Standard_True;
Standard_Boolean enlargeVfirst = Standard_True, enlargeVlast = Standard_True;
BRepOffset_Tool::CheckBounds( F2, Analyse, enlargeU, enlargeVfirst, enlargeVlast );
BRepOffset_Tool::EnLargeFace(OF2,NF2,Standard_True,Standard_True,enlargeU,enlargeVfirst,enlargeVlast);
MES.Bind(OF2,NF2);
}
else {
NF2 = TopoDS::Face(MES(OF2));
}
if (!IsDone(NF1,NF2)) {
TopTools_ListOfShape LInt1,LInt2;
BRepOffset_Tool::Inter3D (NF1,NF2,LInt1,LInt2,CurSide,E,Standard_True);
if (LInt1.Extent() > 1)
{
// intersection is in seceral edges (free sewing)
SelectEdge( NF1, NF2, E, LInt1 );
SelectEdge( NF1, NF2, E, LInt2 );
}
SetDone(NF1,NF2);
if (!LInt1.IsEmpty()) {
Store (NF1,NF2,LInt1,LInt2);
TopoDS_Compound C;
B.MakeCompound(C);
for (it.Initialize(LInt1) ; it.More(); it.Next()) {
B.Add(C,it.Value());
}
Build.Bind(E,C);
}
else {
Failed.Append(E);
}
} else { // IsDone(NF1,NF2)
// Modified by skv - Fri Dec 26 12:20:13 2003 OCC4455 Begin
const TopTools_ListOfShape &aLInt1 = myAsDes->Descendant(NF1);
const TopTools_ListOfShape &aLInt2 = myAsDes->Descendant(NF2);
if (!aLInt1.IsEmpty()) {
TopoDS_Compound C;
TopTools_ListIteratorOfListOfShape anIt2;
B.MakeCompound(C);
for (it.Initialize(aLInt1) ; it.More(); it.Next()) {
const TopoDS_Shape &anE1 = it.Value();
for (anIt2.Initialize(aLInt2) ; anIt2.More(); anIt2.Next()) {
const TopoDS_Shape &anE2 = anIt2.Value();
if (anE1.IsSame(anE2))
B.Add(C, anE1);
}
}
Build.Bind(E,C);
}
else {
Failed.Append(E);
}
}
// Modified by skv - Fri Dec 26 12:20:14 2003 OCC4455 End
}
}
}
}
//=======================================================================
//function : ContextIntByInt
//purpose :
//=======================================================================
void BRepOffset_Inter3d::ContextIntByInt
(const TopTools_IndexedMapOfShape& ContextFaces,
const Standard_Boolean ExtentContext,
const BRepOffset_DataMapOfShapeOffset& MapSF,
const BRepOffset_Analyse& Analyse,
TopTools_DataMapOfShapeShape& MES,
TopTools_DataMapOfShapeShape& Build,
TopTools_ListOfShape& Failed)
{
TopTools_ListOfShape LInt1,LInt2;
TopTools_MapOfShape MV;
TopExp_Explorer exp;
TopoDS_Face OF,NF,WCF;
TopoDS_Edge OE;
TopoDS_Compound C;
BRep_Builder B;
TopTools_ListIteratorOfListOfShape it;
Standard_Integer i;
for (i = 1; i <= ContextFaces.Extent(); i++) {
const TopoDS_Face& CF = TopoDS::Face(ContextFaces(i));
myTouched.Add(CF);
if (ExtentContext) {
BRepOffset_Tool::EnLargeFace(CF,NF,0,0);
MES.Bind(CF,NF);
}
}
TopAbs_State Side = TopAbs_OUT;
for (i = 1; i <= ContextFaces.Extent(); i++) {
const TopoDS_Face& CF = TopoDS::Face(ContextFaces(i));
if (ExtentContext) WCF = TopoDS::Face(MES(CF));
else WCF = CF;
for (exp.Init(CF.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
exp.More(); exp.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
if (!Analyse.HasAncestor(E)) {
//----------------------------------------------------------------
// the edges of faces of context that are not in the initial shape
// can appear in the result.
//----------------------------------------------------------------
if (!ExtentContext) {
myAsDes->Add(CF,E);
myNewEdges.Add(E);
}
else {
if (!MES.IsBound(E)) {
TopoDS_Edge NE;
Standard_Real f,l,Tol;
BRep_Tool::Range(E,f,l);
Tol = BRep_Tool::Tolerance(E);
ExtentEdge(CF,E,NE);
TopoDS_Vertex V1,V2;
TopExp::Vertices(E,V1,V2);
NE.Orientation(TopAbs_FORWARD);
myAsDes->Add(NE,V1.Oriented(TopAbs_REVERSED));
myAsDes->Add(NE,V2.Oriented(TopAbs_FORWARD));
TopoDS_Shape aLocalShape = V1.Oriented(TopAbs_INTERNAL);
B.UpdateVertex(TopoDS::Vertex(aLocalShape),f,NE,Tol);
aLocalShape = V2.Oriented(TopAbs_INTERNAL);
B.UpdateVertex(TopoDS::Vertex(aLocalShape),l,NE,Tol);
// B.UpdateVertex(TopoDS::Vertex(V1.Oriented(TopAbs_INTERNAL)),f,NE,Tol);
// B.UpdateVertex(TopoDS::Vertex(V2.Oriented(TopAbs_INTERNAL)),l,NE,Tol);
NE.Orientation(E.Orientation());
myAsDes->Add(CF,NE);
myNewEdges.Add(NE);
MES.Bind(E,NE);
}
else {
TopoDS_Shape NE = MES(E);
TopoDS_Shape aLocalShape = NE.Oriented(E.Orientation());
myAsDes->Add(CF,aLocalShape);
// myAsDes->Add(CF,NE.Oriented(E.Orientation()));
}
}
continue;
}
const TopTools_ListOfShape& Anc = Analyse.Ancestors(E);
const TopoDS_Face& F = TopoDS::Face(Anc.First());
OF = TopoDS::Face(MapSF(F).Face());
TopoDS_Shape aLocalShape = MapSF(F).Generated(E);
OE = TopoDS::Edge(aLocalShape);
// OE = TopoDS::Edge(MapSF(F).Generated(E));
if (!MES.IsBound(OF)) {
BRepOffset_Tool::EnLargeFace(OF,NF,1,1);
MES.Bind(OF,NF);
}
else {
NF = TopoDS::Face(MES(OF));
}
if (!IsDone(NF,CF)) {
TopTools_ListOfShape LInt1,LInt2;
TopTools_ListOfShape LOE;
LOE.Append(OE);
BRepOffset_Tool::Inter3D (WCF,NF,LInt1,LInt2,Side,E,Standard_True);
SetDone(NF,CF);
if (!LInt1.IsEmpty()) {
Store (CF,NF,LInt1,LInt2);
if (LInt1.Extent() == 1) {
Build.Bind(E,LInt1.First());
}
else {
B.MakeCompound(C);
for (it.Initialize(LInt1) ; it.More(); it.Next()) {
B.Add(C,it.Value());
}
Build.Bind(E,C);
}
}
else {
Failed.Append(E);
}
}
}
}
}
//=======================================================================
//function : ContextIntByArc
//purpose :
//=======================================================================
void BRepOffset_Inter3d::ContextIntByArc(const TopTools_IndexedMapOfShape& ContextFaces,
const Standard_Boolean InSide,
const BRepOffset_Analyse& Analyse,
const BRepAlgo_Image& InitOffsetFace,
BRepAlgo_Image& InitOffsetEdge)
{
TopTools_ListOfShape LInt1,LInt2;
TopTools_MapOfShape MV;
TopExp_Explorer exp;
TopoDS_Face OF1,OF2;
TopoDS_Edge OE;
BRep_Builder B;
TopoDS_Edge NullEdge;
Standard_Integer j;
for (j = 1; j <= ContextFaces.Extent(); j++) {
const TopoDS_Face& CF = TopoDS::Face(ContextFaces(j));
myTouched.Add(CF);
}
for (j = 1; j <= ContextFaces.Extent(); j++) {
const TopoDS_Face& CF = TopoDS::Face(ContextFaces(j));
for (exp.Init(CF.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
exp.More(); exp.Next()) {
const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
if (!Analyse.HasAncestor(E)) {
if (InSide)
myAsDes->Add(CF,E);
else {
TopoDS_Edge NE;
if (!InitOffsetEdge.HasImage(E)) {
Standard_Real f,l,Tol;
BRep_Tool::Range(E,f,l);
Tol = BRep_Tool::Tolerance(E);
ExtentEdge(CF,E,NE);
TopoDS_Vertex V1,V2;
TopExp::Vertices(E,V1,V2);
NE.Orientation(TopAbs_FORWARD);
myAsDes->Add(NE,V1.Oriented(TopAbs_REVERSED));
myAsDes->Add(NE,V2.Oriented(TopAbs_FORWARD));
TopoDS_Shape aLocalShape = V1.Oriented(TopAbs_INTERNAL);
B.UpdateVertex(TopoDS::Vertex(aLocalShape),f,NE,Tol);
aLocalShape = V2.Oriented(TopAbs_INTERNAL);
B.UpdateVertex(TopoDS::Vertex(aLocalShape),l,NE,Tol);
// B.UpdateVertex(TopoDS::Vertex(V1.Oriented(TopAbs_INTERNAL)),f,NE,Tol);
// B.UpdateVertex(TopoDS::Vertex(V2.Oriented(TopAbs_INTERNAL)),l,NE,Tol);
NE.Orientation(E.Orientation());
myAsDes->Add(CF,NE);
InitOffsetEdge.Bind(E,NE);
}
else {
NE = TopoDS::Edge(InitOffsetEdge.Image(E).First());
myAsDes->Add(CF,NE.Oriented(E.Orientation()));
}
}
continue;
}
OE.Nullify();
//---------------------------------------------------
// OF1 parallel facee generated by the ancestor of E.
//---------------------------------------------------
const TopoDS_Shape SI = Analyse.Ancestors(E).First();
OF1 = TopoDS::Face(InitOffsetFace.Image(SI).First());
OE = TopoDS::Edge(InitOffsetEdge.Image(E).First());
//--------------------------------------------------
// MAJ of OE on cap CF.
//--------------------------------------------------
// TopTools_ListOfShape LOE; LOE.Append(OE);
// BRepOffset_Tool::TryProject(CF,OF1,LOE,LInt1,LInt2,mySide);
// LInt2.Clear();
// StoreInter3d(CF,OF1,myTouched,NewEdges,InterDone,myAsDes,
// LInt1,LInt2);
LInt1.Clear(); LInt1.Append(OE);
LInt2.Clear();
TopAbs_Orientation O1,O2;
BRepOffset_Tool::OrientSection(OE,CF,OF1,O1,O2);
// if (mySide == TopAbs_OUT) O1 = TopAbs::Reverse(O1);
O1 = TopAbs::Reverse(O1);
LInt1.First().Orientation(O1);
Store(CF,OF1,LInt1,LInt2);
//------------------------------------------------------
// Processing of offsets on the ancestors of vertices.
//------------------------------------------------------
TopoDS_Vertex V[2];
TopExp::Vertices (E,V[0],V[1]);
for (Standard_Integer i = 0; i < 2; i++) {
if (!MV.Add(V[i])) continue;
OF1.Nullify();
const TopTools_ListOfShape& LE = Analyse.Ancestors(V[i]);
TopTools_ListIteratorOfListOfShape itLE(LE);
for ( ; itLE.More(); itLE.Next()) {
const TopoDS_Edge& EV = TopoDS::Edge(itLE.Value());
if (InitOffsetFace.HasImage(EV)) {
//-------------------------------------------------
// OF1 parallel face generated by an ancester edge of V[i].
//-------------------------------------------------
OF1 = TopoDS::Face(InitOffsetFace.Image(EV).First());
OE = TopoDS::Edge(InitOffsetEdge.Image(V[i]).First());
//--------------------------------------------------
// MAj of OE on cap CF.
//--------------------------------------------------
// LOE.Clear(); LOE.Append(OE);
// BRepOffset_Tool::TryProject(CF,OF1,LOE,LInt1,LInt2,mySide);
// LInt2.Clear();
// StoreInter3d(CF,OF1,myTouched,NewEdges,InterDone,myAsDes,
// LInt1,LInt2);
LInt1.Clear(); LInt1.Append(OE);
LInt2.Clear();
TopAbs_Orientation O1,O2;
BRepOffset_Tool::OrientSection(OE,CF,OF1,O1,O2);
// if (mySide == TopAbs_OUT);
O1 = TopAbs::Reverse(O1);
LInt1.First().Orientation(O1);
Store(CF,OF1,LInt1,LInt2);
}
}
}
}
for (exp.Init(CF.Oriented(TopAbs_FORWARD),TopAbs_VERTEX);
exp.More(); exp.Next()) {
const TopoDS_Vertex& V = TopoDS::Vertex(exp.Current());
if (!Analyse.HasAncestor(V)) {
continue;
}
const TopTools_ListOfShape& LE = Analyse.Ancestors(V);
TopTools_ListIteratorOfListOfShape itLE(LE);
for (; itLE.More(); itLE.Next()) {
const TopoDS_Edge& EV = TopoDS::Edge(itLE.Value());
const TopTools_ListOfShape& LF = Analyse.Ancestors(EV);
TopTools_ListIteratorOfListOfShape itLF(LF);
for ( ; itLF.More(); itLF.Next()) {
const TopoDS_Face& FEV = TopoDS::Face(itLF.Value());
//-------------------------------------------------
// OF1 parallel face generated by uneFace ancestor of V[i].
//-------------------------------------------------
OF1 = TopoDS::Face(InitOffsetFace.Image(FEV).First());
if (!IsDone(OF1,CF)) {
//-------------------------------------------------------
// Find if one of edges of OF1 has no trace in CF.
//-------------------------------------------------------
TopTools_ListOfShape LOE;
TopExp_Explorer exp2(OF1.Oriented(TopAbs_FORWARD),TopAbs_EDGE);
for ( ;exp2.More(); exp2.Next()) {
LOE.Append(exp2.Current());
}
BRepOffset_Tool::TryProject(CF,OF1,LOE,LInt1,LInt2,mySide,myTol);
//-------------------------------------------------------
// If no trace try intersection.
//-------------------------------------------------------
if (LInt1.IsEmpty()) {
BRepOffset_Tool::Inter3D (CF,OF1,LInt1,LInt2,mySide,NullEdge);
}
Store (CF,OF1,LInt1,LInt2);
}
}
}
}
}
}
//=======================================================================
//function : AddCommonEdges
//purpose :
//=======================================================================
void BRepOffset_Inter3d::AddCommonEdges(const TopTools_ListOfShape&)
{
}
//=======================================================================
//function : SetDone
//purpose :
//=======================================================================
void BRepOffset_Inter3d::SetDone(const TopoDS_Face& F1,
const TopoDS_Face& F2)
{
if (!myDone.IsBound(F1)) {
TopTools_ListOfShape empty;
myDone.Bind(F1,empty);
}
myDone(F1).Append(F2);
if (!myDone.IsBound(F2)) {
TopTools_ListOfShape empty;
myDone.Bind(F2,empty);
}
myDone(F2).Append(F1);
}
//=======================================================================
//function : IsDone
//purpose :
//=======================================================================
Standard_Boolean BRepOffset_Inter3d::IsDone(const TopoDS_Face& F1,
const TopoDS_Face& F2)
const
{
if (myDone.IsBound(F1)) {
TopTools_ListIteratorOfListOfShape it (myDone(F1));
for (; it.More(); it.Next()) {
if (it.Value().IsSame(F2)) return Standard_True;
}
}
return Standard_False;
}
//=======================================================================
//function : TouchedFaces
//purpose :
//=======================================================================
TopTools_IndexedMapOfShape& BRepOffset_Inter3d::TouchedFaces()
{
return myTouched;
}
//=======================================================================
//function : AsDes
//purpose :
//=======================================================================
Handle(BRepAlgo_AsDes) BRepOffset_Inter3d::AsDes() const
{
return myAsDes;
}
//=======================================================================
//function : NewEdges
//purpose :
//=======================================================================
TopTools_IndexedMapOfShape& BRepOffset_Inter3d::NewEdges()
{
return myNewEdges;
}
//=======================================================================
//function : Store
//purpose :
//=======================================================================
void BRepOffset_Inter3d::Store(const TopoDS_Face& F1,
const TopoDS_Face& F2,
const TopTools_ListOfShape& LInt1,
const TopTools_ListOfShape& LInt2)
{
if (!LInt1.IsEmpty()) {
myTouched.Add(F1);
myTouched.Add(F2);
myAsDes->Add( F1,LInt1);
myAsDes->Add( F2,LInt2);
TopTools_ListIteratorOfListOfShape it(LInt1);
for (; it.More(); it.Next()) {
myNewEdges.Add(it.Value());
}
}
SetDone(F1,F2);
}