OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-03 17:56:21 +03:00
Code Packages Releases Activity
occt/src/BRepFill/BRepFill_Generator.cxx
dpasukhi 8082b955bd Coding - Reorganize code with constexpr #68 
After rework Precision.hxx some local
  variables can be marked as constexpr
2024-09-22 12:46:46 +00:00

1151 lines
31 KiB
C++
Raw Blame History

// Created on: 1994-03-07
// Created by: Bruno DUMORTIER
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
#include <BRepFill_Generator.hxx>
#include <BRepLib.hxx>
#include <BRepTools.hxx>
#include <BRepTools_WireExplorer.hxx>
#include <Geom2d_BezierCurve.hxx>
#include <Geom2d_Line.hxx>
#include <Geom_BezierCurve.hxx>
#include <Geom_ConicalSurface.hxx>
#include <Geom_Curve.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_Plane.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_Surface.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <GeomConvert.hxx>
#include <GeomFill_Generator.hxx>
#include <gp_Ax1.hxx>
#include <gp_Ax3.hxx>
#include <gp_Circ.hxx>
#include <gp_Dir2d.hxx>
#include <gp_Lin.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Vec.hxx>
#include <Precision.hxx>
#include <Standard_NullObject.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <TColgp_Array1OfPnt2d.hxx>
#include <TopExp.hxx>
#include <TopLoc_Location.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Wire.hxx>
#include <TopTools_DataMapOfShapeShape.hxx>
//=======================================================================
//function : DetectKPart
//purpose :
//=======================================================================
Standard_Integer DetectKPart(const TopoDS_Edge& Edge1,
const TopoDS_Edge& Edge2)
{
// initializations
// !Note if IType set as -1 it means that occurs error with null 3d curve for the edge
Standard_Integer IType = 0;
// characteristics of the first edge
Standard_Real first1 = 0., last1 = 0., first2, last2, ff, ll;
TopLoc_Location loc;
TopoDS_Vertex V1, V2;
Handle(Geom_Curve) curv1, curv;
GeomAdaptor_Curve AdC1;
Standard_Boolean degen1 = BRep_Tool::Degenerated(Edge1);
// find the particular case
gp_Pnt pos1, pos;
Standard_Real dist;
Standard_Real dist1 =0.;
gp_Ax1 axe1, axe;
if (degen1) {
IType = -2;
TopExp::Vertices(Edge1,V1,V2);
pos1 = BRep_Tool::Pnt(V1);
}
else {
curv1 = BRep_Tool::Curve(Edge1, loc, first1, last1);
if (curv1.IsNull())
{
return -1;
}
curv1 =
Handle(Geom_Curve)::DownCast(curv1->Transformed(loc.Transformation()));
ff = first1;
ll = last1;
if (Edge1.Orientation() == TopAbs_REVERSED) {
curv1->Reverse();
first1 = curv1->ReversedParameter(ll);
last1 = curv1->ReversedParameter(ff);
}
AdC1.Load(curv1);
if (AdC1.GetType() == GeomAbs_Circle) {
// first circular section
IType = 1;
pos1 = AdC1.Circle().Location();
dist1 = AdC1.Circle().Radius();
axe1 = AdC1.Circle().Axis();
}
else if (AdC1.GetType() == GeomAbs_Line) {
// first straight line section
IType = 4;
pos1 = AdC1.Line().Location();
dist1 = AdC1.Value(first1).Distance(AdC1.Value(last1));
gp_Vec vec(AdC1.Value(first1),AdC1.Value(last1));
gp_Dir dir(vec);
axe1 = gp_Ax1(AdC1.Value(first1),dir);
}
else {
// first section of any type
IType = 0;
}
}
if (IType!=0) {
Standard_Boolean degen2 = BRep_Tool::Degenerated(Edge2);
if (degen2) {
TopExp::Vertices(Edge2,V1,V2);
pos = BRep_Tool::Pnt(V1);
if (IType==1) {
// the only particular case with degenerated edge at end : the cone
if (pos.IsEqual(pos1,Precision::Confusion())) {
// the top is mixed with the center of the circle
IType = 0;
}
else {
gp_Vec vec(pos1,pos);
gp_Dir dir(vec);
axe = gp_Ax1(pos1,dir);
if (axe.IsParallel(axe1,Precision::Angular())) {
// the top is on the axis of the circle
IType = 2;
}
else {
// incorrect top --> no particular case
IType = 0;
}
}
}
else if (IType != 4) { //not a plane
// no particular case
IType = 0;
}
}
else {
curv = BRep_Tool::Curve(Edge2, loc, first2, last2);
if (curv.IsNull())
{
return -1;
}
curv =
Handle(Geom_Curve)::DownCast(curv->Transformed(loc.Transformation()));
ff = first2;
ll = last2;
if (Edge2.Orientation() == TopAbs_REVERSED) {
curv->Reverse();
first2 = curv->ReversedParameter(ll);
last2 = curv->ReversedParameter(ff);
}
GeomAdaptor_Curve AdC(curv);
if (IType>0 && IType<4) {
if (AdC.GetType() != GeomAbs_Circle) {
// section not circular --> no particular case
IType = 0;
}
else {
if (AdC.Circle().Axis()
.IsCoaxial(axe1,Precision::Angular(),Precision::Confusion())) {
// same axis
if (Abs(AdC.Circle().Radius()-dist1)< Precision::Confusion()) {
// possibility of cylinder or a piece of cylinder
Standard_Real h1 = Abs(last1-first1), h2 = Abs(last2-first2);
Standard_Boolean Same,
SameParametricLength = ( Abs(h1-h2) < Precision::PConfusion() );
Standard_Real m1=(first1+last1)/2., m2=(first2+last2)/2.;
gp_Pnt P1,P2;
gp_Vec DU;
AdC1.D1(m1,P1,DU);
AdC.D0(m2,P2);
Same = SameParametricLength
&& ( gp_Vec(P1,P2).IsNormal(DU,Precision::Angular()) ) ;
if (Same) {
// cylinder or piece of cylinder
IType = 1;
}
else {
// the interval of definition is not correct
IType = 0;
}
}
else {
// possibility of cone truncation
Standard_Real h1 = Abs(last1-first1), h2 = Abs(last2-first2);
Standard_Boolean Same,
SameParametricLength = ( Abs(h1-h2) < Precision::PConfusion() );
Standard_Real m1=(first1+last1)/2., m2=(first2+last2)/2.;
gp_Pnt P1,P2;
gp_Vec DU;
AdC1.D1(m1,P1,DU);
AdC.D0(m2,P2);
Same = SameParametricLength
&& ( gp_Vec(P1,P2).IsNormal(DU,Precision::Angular()) ) ;
if (Same) {
// truncation of cone
IType = 2;
}
else {
// the interval of definition is not correct
IType = 0;
}
}
if (AdC.Circle().Location().IsEqual(pos1,Precision::Confusion())) {
// the centers are mixed
IType = 0;
}
}
else {
// different axis
if (AdC.Circle().Radius()==dist1) {
// torus ?
IType = 3;
}
else {
// different radius --> no particular case
IType = 0;
}
}
}
}
else if (IType>=4) {
if (AdC.GetType() != GeomAbs_Line) {
// not a straight line section --> no particular case
IType = 0;
}
else {
pos = AdC.Line().Location();
dist = AdC.Value(first2).Distance(AdC.Value(last2));
gp_Vec vec(AdC.Value(first2),AdC.Value(last2));
gp_Dir aDir(vec);
axe = gp_Ax1(AdC.Value(first2), aDir);
if (axe.IsParallel(axe1,Precision::Angular())) {
// parallel straight line
if (Abs(dist-dist1)<Precision::Confusion()) {
gp_Dir dir(gp_Vec(AdC1.Value(first1),AdC.Value(first2)));
if (dir.IsNormal(gp_Dir(vec),Precision::Angular())) {
// plane
IType = 4;
}
else {
// extrusion ?
IType = 5;
}
}
else {
// different length --> no particular case
IType = 0;
}
}
else {
// not parallel straight line --> no particular case
IType = 0;
}
}
}
else if (IType==-2) {
if (AdC.GetType() == GeomAbs_Line)
IType = 4; //plane
else if (AdC.GetType() == GeomAbs_Circle)
{
// the only particular case with degenerated edge at the beginning the cone
pos = AdC.Circle().Location();
axe = AdC.Circle().Axis();
if (pos1.IsEqual(pos,Precision::Confusion())) {
// the top is mixed with the center of the circle
IType = 0;
}
else {
gp_Vec vec(pos1,pos);
gp_Dir dir(vec);
axe1 = gp_Ax1(pos1,dir);
if (axe.IsParallel(axe1,Precision::Angular())) {
// the top is on the axis of the circle
IType = -2;
}
else {
// incorrect top --> no particular case
IType = 0;
}
}
}
else
IType = 0;
}
}
}
// torus and extrusion are not particular cases.
if (IType == 3 || IType == 5) IType = 0;
return IType;
}
//=======================================================================
//function : CreateKPart
//purpose : Returns true if there is no errors occur
//=======================================================================
Standard_Boolean CreateKPart (const TopoDS_Edge& Edge1,const TopoDS_Edge& Edge2,
const Standard_Integer IType,
Handle(Geom_Surface)& Surf)
{
// find the dimension
TopoDS_Vertex V1, V2;
TopLoc_Location loc;
Standard_Real a1, b1, aa =0., bb =0.;
TopoDS_Vertex v1f,v1l,v2f,v2l;
Standard_Boolean isDone = Standard_True;
// find characteristics of the first edge
Handle(Geom_Curve) C1;
Standard_Boolean degen1 = BRep_Tool::Degenerated(Edge1);
if(degen1) {
// cone with degenerated edge at the top
TopExp::Vertices(Edge1,v1f,v1l);
}
else {
C1 = BRep_Tool::Curve(Edge1, loc, a1, b1);
if (C1.IsNull())
{
return Standard_False;
}
C1 = Handle(Geom_Curve)::DownCast(C1->Transformed(loc.Transformation()));
aa = a1;
bb = b1;
if (Edge1.Orientation() == TopAbs_REVERSED) {
C1->Reverse();
aa = C1->ReversedParameter(b1);
bb = C1->ReversedParameter(a1);
TopExp::Vertices(Edge1,v1l,v1f);
}
else {
TopExp::Vertices(Edge1,v1f,v1l);
}
}
// find characteristics of the second edge
Handle(Geom_Curve) C2;
Standard_Boolean degen2 = BRep_Tool::Degenerated(Edge2);
if(degen2) {
// cone with degenerated edge at the top
TopExp::Vertices(Edge2,v2f,v2l);
}
else {
C2 = BRep_Tool::Curve(Edge2, loc, a1, b1);
if (C2.IsNull())
{
return Standard_False;
}
C2 = Handle(Geom_Curve)::DownCast(C2->Transformed(loc.Transformation()));
if (Edge2.Orientation() == TopAbs_REVERSED) {
C2->Reverse();
if (degen1) {
aa = a1;
bb = b1;
}
TopExp::Vertices(Edge2,v2l,v2f);
}
else {
if (degen1) {
aa = a1; //C2->ReversedParameter(b1);
bb = b1; //C2->ReversedParameter(a1);
}
TopExp::Vertices(Edge2,v2f,v2l);
}
}
// create the new surface
TopoDS_Face face;
TopoDS_Wire W;
TopoDS_Edge edge1, edge2, edge3, edge4, couture;
TopoDS_Wire newW1, newW2;
BRep_Builder BW1, BW2;
BW1.MakeWire(newW1);
BW2.MakeWire(newW2);
GeomAdaptor_Curve aC1Adaptor;
if (!C1.IsNull())
aC1Adaptor.Load(C1);
GeomAdaptor_Curve aC2Adaptor;
if (!C2.IsNull())
aC2Adaptor.Load(C2);
// calculate the surface
Handle(Geom_Surface) surface;
Standard_Real V, Rad;
if (IType==1) {
// cylindrical surface
gp_Circ c1 = aC1Adaptor.Circle();
gp_Circ c2 = aC2Adaptor.Circle();
gp_Ax3 Ac1 = c1.Position();
V = gp_Vec( c1.Location(),c2.Location()).Dot(gp_Vec(Ac1.Direction()));
if ( V < 0.) {
Ac1.ZReverse();
V = -V;
}
Handle(Geom_CylindricalSurface) Cyl =
new Geom_CylindricalSurface( Ac1, c1.Radius());
surface = new Geom_RectangularTrimmedSurface
( Cyl, aa, bb, Min(0.,V), Max(0.,V) );
}
else if (IType==2) {
// conical surface
gp_Circ k1 = aC1Adaptor.Circle();
gp_Ax3 Ak1 = k1.Position();
if (degen2) {
V = gp_Vec( k1.Location(),BRep_Tool::Pnt(v2f))
.Dot(gp_Vec(Ak1.Direction()));
Rad = - k1.Radius();
}
else {
gp_Circ k2 = aC2Adaptor.Circle();
V = gp_Vec( k1.Location(),k2.Location()).Dot(gp_Vec(Ak1.Direction()));
Rad = k2.Radius() - k1.Radius();
}
if ( V < 0.) {
Ak1.ZReverse();
V = -V;
}
Standard_Real Ang = ATan( Rad / V);
Handle(Geom_ConicalSurface) Cone =
new Geom_ConicalSurface( Ak1, Ang, k1.Radius());
V /= Cos(Ang);
surface = new Geom_RectangularTrimmedSurface
( Cone, aa, bb, Min(0.,V), Max(0.,V) );
}
else if (IType==-2) {
// conical surface with the top at the beginning (degen1 is true)
gp_Circ k2 = aC2Adaptor.Circle();
gp_Ax3 Ak2 = k2.Position();
Ak2.SetLocation(BRep_Tool::Pnt(v1f));
V = gp_Vec(BRep_Tool::Pnt(v1f),k2.Location())
.Dot(gp_Vec(Ak2.Direction()));
Rad = k2.Radius(); // - k2.Radius();
if ( V < 0.) {
Ak2.ZReverse();
V = -V;
}
Standard_Real Ang = ATan( Rad / V);
Handle(Geom_ConicalSurface) Cone =
new Geom_ConicalSurface( Ak2, Ang, 0.);
V /= Cos(Ang);
surface = new Geom_RectangularTrimmedSurface
( Cone, aa, bb, Min(0.,V), Max(0.,V) );
}
else if (IType==3) {
// torus surface ?
}
else if (IType==4) {
// surface plane
gp_Lin L1, L2, aLine;
if (!degen1)
{
L1 = aC1Adaptor.Line();
aLine = L1;
}
if (!degen2)
{
L2 = aC2Adaptor.Line();
aLine = L2;
}
gp_Pnt P1 = (degen1)? BRep_Tool::Pnt(v1f) : L1.Location();
gp_Pnt P2 = (degen2)? BRep_Tool::Pnt(v2f) : L2.Location();
gp_Vec P1P2( P1, P2 );
gp_Dir D1 = aLine.Direction();
gp_Ax3 Ax( aLine.Location(), gp_Dir(D1.Crossed(P1P2)), D1 );
Handle(Geom_Plane) Plan = new Geom_Plane(Ax);
V = P1P2.Dot( Ax.YDirection());
surface = Plan;
//surface = new Geom_RectangularTrimmedSurface
//( Plan, aa, bb, Min(0.,V), Max(0.,V) );
}
else if (IType==5) {
// surface of extrusion ?
}
else {
// IType incorrect
}
Surf = surface;
return isDone;
}
//=======================================================================
//function : CreateNewEdge
//purpose :
//=======================================================================
static TopoDS_Edge CreateNewEdge(const TopoDS_Edge& theEdge, TopTools_DataMapOfShapeShape& theCopiedEdges,
const TopoDS_Wire& theWire, TopTools_IndexedMapOfShape& theModifWires)
{
BRep_Builder aBuilder;
TopoDS_Edge aNewEdge;
aNewEdge = TopoDS::Edge(theEdge.EmptyCopied());
TopoDS_Iterator anIterator(theEdge);
for (; anIterator.More(); anIterator.Next())
{
aBuilder.Add(aNewEdge, anIterator.Value());
}
theCopiedEdges.Bind(theEdge, aNewEdge);
if (!theModifWires.Contains(theWire))
{
theModifWires.Add(theWire);
}
return aNewEdge;
}
//=======================================================================
//function : BRepFill_Generator
//purpose :
//=======================================================================
BRepFill_Generator::BRepFill_Generator():
myMutableInput (Standard_True),
myStatus (BRepFill_ThruSectionErrorStatus_NotDone)
{
}
//=======================================================================
//function : AddWire
//purpose :
//=======================================================================
void BRepFill_Generator::AddWire(const TopoDS_Wire& Wire)
{
myWires.Append( Wire);
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
void BRepFill_Generator::Perform()
{
myStatus = BRepFill_ThruSectionErrorStatus_Done;
TopoDS_Shell Shell;
TopoDS_Face Face;
TopoDS_Shape S1, S2;
TopoDS_Edge Edge1, Edge2, Edge3, Edge4, Couture;
BRep_Builder B;
B.MakeShell(myShell);
Standard_Integer Nb = myWires.Length();
TopTools_IndexedMapOfShape aModifWires; //indexed map for debugging
BRepTools_WireExplorer ex1,ex2;
Standard_Boolean aFirstWire = Standard_True;
Standard_Boolean wPoint1, wPoint2, uClosed = Standard_False, DegenFirst = Standard_False, DegenLast = Standard_False;
for ( Standard_Integer i = 1; i <= Nb-1; i++) {
TopoDS_Wire Wire1 = TopoDS::Wire(myWires( i ));
TopoDS_Wire Wire2 = TopoDS::Wire(myWires(i+1));
wPoint1 = Standard_False;
if (i==1) {
wPoint1 = Standard_True;
for(ex1.Init(Wire1); ex1.More(); ex1.Next()) {
wPoint1 = wPoint1 && (BRep_Tool::Degenerated(ex1.Current()));
}
DegenFirst = wPoint1;
TopoDS_Vertex V1, V2;
TopExp::Vertices(Wire1, V1, V2);
uClosed = V1.IsSame(V2);
}
wPoint2 = Standard_False;
if (i==Nb-1) {
wPoint2 = Standard_True;
for(ex2.Init(Wire2); ex2.More(); ex2.Next()) {
wPoint2 = wPoint2 && (BRep_Tool::Degenerated(ex2.Current()));
}
DegenLast = wPoint2;
}
ex1.Init(Wire1);
ex2.Init(Wire2);
TopTools_DataMapOfShapeShape Map;
Standard_Boolean tantque = ex1.More() && ex2.More();
while (tantque)
{
TopoDS_Vertex V1f, V1l, V2f, V2l, Vf_toMap, Vl_toMap;
const TopoDS_Edge& anOrEdge1 = TopoDS::Edge(ex1.Current());
const TopoDS_Edge& anOrEdge2 = TopoDS::Edge(ex2.Current());
Standard_Boolean degen1 = BRep_Tool::Degenerated(anOrEdge1);
Standard_Boolean degen2 = BRep_Tool::Degenerated(anOrEdge2);
if (degen1)
{
TopoDS_Shape aLocalShape = anOrEdge1.EmptyCopied();
Edge1 = TopoDS::Edge(aLocalShape);
// Edge1 = TopoDS::Edge(ex1.Current().EmptyCopied());
// aLocalShape = ex1.Current();
// TopExp::Vertices(TopoDS::Edge(aLocalShape),V1f,V1l);
TopExp::Vertices(anOrEdge1, V1f, V1l);
V1f.Orientation(TopAbs_FORWARD);
B.Add(Edge1,V1f);
V1l.Orientation(TopAbs_REVERSED);
B.Add(Edge1,V1l);
B.Range(Edge1,0,1);
myOldNewShapes.Bind(anOrEdge1, Edge1);
}
else
{
Edge1 = anOrEdge1;
}
if (degen2)
{
TopoDS_Shape aLocalShape = anOrEdge2.EmptyCopied();
Edge2 = TopoDS::Edge(aLocalShape);
// Edge2 = TopoDS::Edge(ex2.Current().EmptyCopied());
TopExp::Vertices(anOrEdge2, V2f, V2l);
V2f.Orientation(TopAbs_FORWARD);
B.Add(Edge2,V2f);
V2l.Orientation(TopAbs_REVERSED);
B.Add(Edge2,V2l);
B.Range(Edge2,0,1);
myOldNewShapes.Bind(anOrEdge2, Edge2);
}
else
{
Edge2 = anOrEdge2;
}
Standard_Boolean Periodic = (BRep_Tool::IsClosed(Edge1) || degen1) &&
(BRep_Tool::IsClosed(Edge2) || degen2);
// ATTENTION : a non-punctual wire should not
// contain a punctual edge
if (!wPoint1) ex1.Next();
if (!wPoint2) ex2.Next();
// initialization of vertices
Handle(Geom_Surface) Surf;
Standard_Real f1=0, l1=1, f2=0, l2=1;
if (Edge1.Orientation() == TopAbs_REVERSED)
TopExp::Vertices(Edge1,V1l,V1f);
else
TopExp::Vertices(Edge1,V1f,V1l);
if (Edge2.Orientation() == TopAbs_REVERSED)
TopExp::Vertices(Edge2,V2l,V2f);
else
TopExp::Vertices(Edge2,V2f,V2l);
if (degen1)
{
Vf_toMap = V2f;
Vl_toMap = V2l;
}
else
{
Vf_toMap = V1f;
Vl_toMap = V1l;
}
// processing of KPart
Standard_Integer IType = DetectKPart(Edge1,Edge2);
if (IType == -1)
{
myStatus = BRepFill_ThruSectionErrorStatus_Null3DCurve;
return;
}
if (IType==0) {
// no part cases
TopLoc_Location L,L1,L2;
Handle(Geom_Curve) C1, C2;
TColgp_Array1OfPnt Extremities(1,2);
if (degen1) {
Extremities(1) = BRep_Tool::Pnt(V1f);
Extremities(2) = BRep_Tool::Pnt(V1l);
C1 = new Geom_BezierCurve(Extremities);
}
else {
C1 = BRep_Tool::Curve(Edge1,L1,f1,l1);
if (C1.IsNull())
{
myStatus = BRepFill_ThruSectionErrorStatus_Null3DCurve;
return;
}
}
if (degen2) {
Extremities(1) = BRep_Tool::Pnt(V2l);
Extremities(2) = BRep_Tool::Pnt(V2f);
C2 = new Geom_BezierCurve(Extremities);
}
else {
C2 = BRep_Tool::Curve(Edge2,L2,f2,l2);
if (C2.IsNull())
{
myStatus = BRepFill_ThruSectionErrorStatus_Null3DCurve;
return;
}
}
// compute the location
Standard_Boolean SameLoc = Standard_False;
// transform and trim the curves
if (Abs(f1 - C1->FirstParameter()) > Precision::PConfusion() ||
Abs(l1 - C1->LastParameter()) > Precision::PConfusion() ) {
C1 = new Geom_TrimmedCurve(C1,f1,l1);
}
else {
C1 = Handle(Geom_Curve)::DownCast(C1->Copy());
}
if (!SameLoc) C1->Transform(L1.Transformation());
if (Edge1.Orientation() == TopAbs_REVERSED) {
C1->Reverse();
}
if (Abs(f2 - C2->FirstParameter()) > Precision::PConfusion() ||
Abs(l2 - C2->LastParameter()) > Precision::PConfusion() ) {
C2 = new Geom_TrimmedCurve(C2,f2,l2);
}
else {
C2 = Handle(Geom_Curve)::DownCast(C2->Copy());
}
if (!SameLoc) C2->Transform(L2.Transformation());
if (Edge2.Orientation() == TopAbs_REVERSED) {
C2->Reverse();
}
GeomFill_Generator Generator;
Generator.AddCurve( C1);
Generator.AddCurve( C2);
Generator.Perform( Precision::PConfusion());
Surf = Generator.Surface();
B.MakeFace(Face,Surf,Precision::Confusion());
}
else {
// particular case
if (!CreateKPart(Edge1, Edge2, IType, Surf))
{
myStatus = BRepFill_ThruSectionErrorStatus_Null3DCurve;
return;
}
B.MakeFace(Face,Surf,Precision::Confusion());
}
// make the missing edges
Standard_Real first,last;
Surf->Bounds(f1,l1,f2,l2);
if (IType == 0)
{
first = f2;
last = l2;
}
else
{
first = 0.;
last = 1.;
}
if ( Map.IsBound(Vf_toMap)) {
TopoDS_Shape aLocalShape = Map(Vf_toMap).Reversed();
Edge3 = TopoDS::Edge(aLocalShape);
// Edge3 = TopoDS::Edge(Map(V1f).Reversed());
}
else
{
if (V1f.IsSame(V2f))
{
B.MakeEdge(Edge3);
B.Degenerated(Edge3, Standard_True);
}
else
{
Handle(Geom_Curve) CC;
TColgp_Array1OfPnt Extremities(1, 2);
if (IType == 0) {
// general case : Edge3 corresponds to iso U=f1
CC = Surf->UIso(f1);
}
else {
// particular case : it is required to calculate the curve 3d
Extremities(1) = BRep_Tool::Pnt(V1f);
Extremities(2) = BRep_Tool::Pnt(V2f);
CC = new Geom_BezierCurve(Extremities);
}
B.MakeEdge(Edge3, CC, Precision::Confusion());
}
V1f.Orientation(TopAbs_FORWARD);
B.Add(Edge3, V1f);
V2f.Orientation(TopAbs_REVERSED);
B.Add(Edge3, V2f);
B.Range(Edge3, first, last);
Edge3.Reverse();
Map.Bind(Vf_toMap, Edge3);
}
Standard_Boolean CommonEdge = Standard_False;
if ( Map.IsBound(Vl_toMap) ) {
TopoDS_Shape aLocalShape = Map(Vl_toMap).Reversed();
const TopoDS_Edge CommonE = TopoDS::Edge(aLocalShape);
// const TopoDS_Edge CommonE = TopoDS::Edge(Map(V1l).Reversed());
TopoDS_Vertex V1, V2;
TopExp::Vertices(CommonE,V1,V2);
CommonEdge = V1.IsSame(V1l) && V2.IsSame(V2l);
}
if ( CommonEdge ) {
TopoDS_Shape aLocalShape = Map(Vl_toMap).Reversed();
Edge4 = TopoDS::Edge(aLocalShape);
// Edge4 = TopoDS::Edge(Map(V1l).Reversed());
}
else
{
if (V1l.IsSame(V2l))
{
B.MakeEdge(Edge4);
B.Degenerated(Edge4, Standard_True);
}
else
{
Handle(Geom_Curve) CC;
TColgp_Array1OfPnt Extremities(1, 2);
if (IType == 0) {
// general case : Edge4 corresponds to iso U=l1
CC = Surf->UIso(l1);
}
else {
// particular case : it is required to calculate the curve 3d
Extremities(1) = BRep_Tool::Pnt(V1l);
Extremities(2) = BRep_Tool::Pnt(V2l);
CC = new Geom_BezierCurve(Extremities);
}
B.MakeEdge(Edge4, CC, Precision::Confusion());
}
V1l.Orientation(TopAbs_FORWARD);
B.Add(Edge4, V1l);
V2l.Orientation(TopAbs_REVERSED);
B.Add(Edge4, V2l);
B.Range(Edge4, first, last);
Map.Bind(Vl_toMap, Edge4);
}
if (!myMutableInput)
{
if (!degen1) //if true=>already empty-copied
{
const TopoDS_Shape* aNewEd1 = myOldNewShapes.Seek(Edge1);
if (aNewEd1)
{
Edge1 = TopoDS::Edge(*aNewEd1);
}
else if (aFirstWire && (IType != 4 || BRep_Tool::SameParameter(Edge1) || BRep_Tool::SameRange(Edge1)))
{
//if such expression is true and mutableInput is false => pre-copy the edge to prevent a following modifying (see code below)
Edge1 = CreateNewEdge(Edge1, myOldNewShapes, Wire1, aModifWires);
}
}
if (!degen2)
{
const TopoDS_Shape* aNewEd2 = myOldNewShapes.Seek(Edge2);
if (aNewEd2)
{
Edge2 = TopoDS::Edge(*aNewEd2);
}
else if (IType != 4 || BRep_Tool::SameParameter(Edge2) || BRep_Tool::SameRange(Edge2))
{
Edge2 = CreateNewEdge(Edge2, myOldNewShapes, Wire2, aModifWires);
}
}
}
// set the pcurves
constexpr Standard_Real T = Precision::Confusion();
if (IType != 4) //not plane
{
if ( Edge1.Orientation() == TopAbs_REVERSED ) {
B.UpdateEdge(Edge1,
new Geom2d_Line(gp_Pnt2d(0,f2),gp_Dir2d(-1,0)),
Face,T);
B.Range(Edge1,Face,-l1,-f1);
}
else {
B.UpdateEdge(Edge1,
new Geom2d_Line(gp_Pnt2d(0,f2),gp_Dir2d(1,0)),
Face,T);
B.Range(Edge1,Face,f1,l1);
}
if ( Edge2.Orientation() == TopAbs_REVERSED ) {
B.UpdateEdge(Edge2,
new Geom2d_Line(gp_Pnt2d(0,l2),gp_Dir2d(-1,0)),
Face,T);
B.Range(Edge2,Face,-l1,-f1);
}
else {
B.UpdateEdge(Edge2,
new Geom2d_Line(gp_Pnt2d(0,l2),gp_Dir2d(1,0)),
Face,T);
B.Range(Edge2,Face,f1,l1);
}
}
if (IType==0) {
if ( Periodic) {
B.UpdateEdge(Edge3,
new Geom2d_Line(gp_Pnt2d(l1,0),gp_Dir2d(0,1)),
new Geom2d_Line(gp_Pnt2d(f1,0),gp_Dir2d(0,1)),
Face,T);
}
else {
B.UpdateEdge(Edge3,
new Geom2d_Line(gp_Pnt2d(f1,0),gp_Dir2d(0,1)),
Face,T);
B.UpdateEdge(Edge4,
new Geom2d_Line(gp_Pnt2d(l1,0),gp_Dir2d(0,1)),
Face,T);
}
}
else {
// KPart
if ( Periodic) {
TColgp_Array1OfPnt2d Extrem1(1,2);
Extrem1(1).SetCoord(l1,f2);
Extrem1(2).SetCoord(l1,l2);
TColgp_Array1OfPnt2d Extrem2(1,2);
Extrem2(1).SetCoord(f1,f2);
Extrem2(2).SetCoord(f1,l2);
B.UpdateEdge(Edge3,
new Geom2d_BezierCurve(Extrem1),
new Geom2d_BezierCurve(Extrem2),
Face,T);
}
else if (IType != 4) { //not plane
TColgp_Array1OfPnt2d Extrem2(1,2);
Extrem2(1).SetCoord(f1,f2);
Extrem2(2).SetCoord(f1,l2);
B.UpdateEdge(Edge3,
new Geom2d_BezierCurve(Extrem2),
Face,T);
TColgp_Array1OfPnt2d Extrem1(1,2);
Extrem1(1).SetCoord(l1,f2);
Extrem1(2).SetCoord(l1,l2);
B.UpdateEdge(Edge4,
new Geom2d_BezierCurve(Extrem1),
Face,T);
}
}
// Set the non parameter flag;
B.SameParameter(Edge1,Standard_False);
B.SameParameter(Edge2,Standard_False);
B.SameParameter(Edge3,Standard_False);
B.SameParameter(Edge4,Standard_False);
B.SameRange(Edge1,Standard_False);
B.SameRange(Edge2,Standard_False);
B.SameRange(Edge3,Standard_False);
B.SameRange(Edge4,Standard_False);
// make the wire
TopoDS_Wire aWire;
B.MakeWire(aWire);
if (!(degen1 && IType == 4))
{
B.Add(aWire,Edge1);
}
B.Add(aWire,Edge4);
if (!(degen2 && IType == 4))
{
B.Add(aWire,Edge2.Reversed());
}
B.Add(aWire,Edge3);
B.Add(Face,aWire);
B.Add(myShell,Face);
// complete myMap for edge1
if (! (degen1 && IType == 4))
{
TopoDS_Edge aREd = anOrEdge1;
if (degen1)
{
aREd = Edge1;
}
if (!myMap.IsBound(aREd))
{
TopTools_ListOfShape Empty;
myMap.Bind(aREd,Empty);
}
myMap(aREd).Append(Face);
}
tantque = ex1.More() && ex2.More();
if (wPoint1) tantque = ex2.More();
if (wPoint2) tantque = ex1.More();
}
aFirstWire = Standard_False;
}
//all vertices from myShell are the part of orig. section wires
if (myMutableInput)
{
BRepLib::SameParameter(myShell);
}
else
{
TopTools_DataMapIteratorOfDataMapOfShapeShape aMapIt(myOldNewShapes);
for (;aMapIt.More();aMapIt.Next())
{
const TopoDS_Shape& aK = aMapIt.Key();
const TopoDS_Shape& aVal = aMapIt.Value();
myReshaper.Replace(aK, aVal);
}
BRepLib::SameParameter(myShell, myReshaper);
myShell = TopoDS::Shell(myReshaper.Apply(myShell));
}
if (uClosed && DegenFirst && DegenLast)
{
myShell.Closed(Standard_True);
}
//update wire's history
TopoDS_Iterator anItEdge;
for (int i = 1; i <= aModifWires.Extent(); i++)
{
const TopoDS_Shape& aCurWire = aModifWires(i);
TopoDS_Wire aNewWire;
B.MakeWire(aNewWire);
anItEdge.Initialize(aCurWire);
for (;anItEdge.More();anItEdge.Next())
{
const TopoDS_Shape& aCurEdge = anItEdge.Value(); //edges only
const TopoDS_Shape& aNewEdge = ResultShape(aCurEdge);
B.Add(aNewWire, aNewEdge);
}
aNewWire.Free(aCurWire.Free());
aNewWire.Modified(aCurWire.Modified());
aNewWire.Checked(aCurWire.Checked());
aNewWire.Orientable(aCurWire.Orientable());
aNewWire.Closed(aCurWire.Closed());
aNewWire.Infinite(aCurWire.Infinite());
aNewWire.Convex(aCurWire.Convex());
myOldNewShapes.Bind(aCurWire, aNewWire);
}
}
//=======================================================================
//function : GeneratedShapes
//purpose :
//=======================================================================
const TopTools_ListOfShape&
BRepFill_Generator::GeneratedShapes (const TopoDS_Shape& SSection) const
{
if (myMap.IsBound(SSection)) {
return myMap(SSection);
}
else {
static TopTools_ListOfShape Empty;
return Empty;
}
}
//=======================================================================
//function : Generated
//purpose :
//=================================================================== ====
const TopTools_DataMapOfShapeListOfShape& BRepFill_Generator::Generated() const
{
return myMap;
}
//=======================================================================
//function : ResultShape
//purpose :
//=======================================================================
TopoDS_Shape BRepFill_Generator::ResultShape (const TopoDS_Shape& theShape) const
{
const TopoDS_Shape* aShape = myOldNewShapes.Seek(theShape);
TopoDS_Shape aNewShape = aShape ? *aShape : theShape;
TopoDS_Shape aPrevShape;
do
{
aPrevShape = aNewShape;
aNewShape = myReshaper.Value(aNewShape);
}
while (aNewShape != aPrevShape);
return aNewShape;
}
//=======================================================================
//function : SetMutableInput
//purpose :
//=======================================================================
void BRepFill_Generator::SetMutableInput(const Standard_Boolean theIsMutableInput)
{
myMutableInput = theIsMutableInput;
}
//=======================================================================
//function : IsMutableInput
//purpose :
//=======================================================================
Standard_Boolean BRepFill_Generator::IsMutableInput() const
{
return myMutableInput;
}
View Git Blame Copy Permalink