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// Created on: 2000-01-20
// Created by: data exchange team
// Copyright (c) 2000-2014 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.
//: pdn 11.12.98: FixDegenerated improved
//: pdn 05.01.99: renaming method CheckLittle to CheckSmall
//: l0 abv 10.01.99: CATIA01 #1727: fix intersecting edges always if edge is lacking
//: n2 abv 22.01.99: ma-test5.igs: IGES read (pref3d): remove degen edge with no pcurve
//: o4 abv 17.02.99: r0301_db.stp #53082: adding parameter isClosed to CheckOrder
// rln 03.03.99 S4135: using updated ShapeAnalysis_Surface for checking of singularities
//: p9 abv 11.03.99: PRO7226 #489490: fix :i9 moved to allow fixing a set of degenerated edges
// #77 rln 11.03.99: S4135: using singularity which has minimum gap between singular point and input
// 3D point #84 rln 18.03.99: inserting degenerated edge between ends of pcurves pdn 12.03.99 S4135
// check degenerated applies minimal tolerance first. pdn 16.03.99 S4135 adding check of non
// adjacent edjes. #83 rln 19.03.99: processing segments in intersection as in BRepCheck %15
// pdn 15.03.99 checking of small area wire added #2 smh 26.03.99 S4163 Zero divide #4 szv S4163
// optimizing
//: r6 abv 08.04.99: protect FixIE against working out of curve range
//: s1 abv 22.04.99: PRO7226 #489490: ensure fixing of degenerated edge
// #9 smh 14.12.99 BUC60615 Using tolerance of verteces during checking degenerated edge.
#include <Adaptor3d_CurveOnSurface.hxx>
#include <Bnd_Box2d.hxx>
#include <NCollection_Array1.hxx>
#include <BndLib_Add2dCurve.hxx>
#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <BRepGProp.hxx>
#include <BRepTools.hxx>
#include <GCPnts_AbscissaPoint.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom2dAdaptor_Curve.hxx>
#include <Geom2dInt_GInter.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Plane.hxx>
#include <Geom_Surface.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <gp_Pnt2d.hxx>
#include <GProp_GProps.hxx>
#include <IntRes2d_Domain.hxx>
#include <IntRes2d_IntersectionPoint.hxx>
#include <IntRes2d_IntersectionSegment.hxx>
#include <IntRes2d_Transition.hxx>
#include <Precision.hxx>
#include <ShapeAnalysis.hxx>
#include <ShapeAnalysis_Curve.hxx>
#include <ShapeAnalysis_Edge.hxx>
#include <ShapeAnalysis_Surface.hxx>
#include <ShapeAnalysis_TransferParametersProj.hxx>
#include <ShapeAnalysis_Wire.hxx>
#include <ShapeAnalysis_WireOrder.hxx>
#include <ShapeBuild_Edge.hxx>
#include <ShapeExtend.hxx>
#include <ShapeExtend_WireData.hxx>
#include <Standard_Type.hxx>
#include <gp_Pnt.hxx>
#include <NCollection_Sequence.hxx>
#include <TopExp.hxx>
#include <TopLoc_Location.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Wire.hxx>
#include <NCollection_List.hxx>
#include <TopTools_ShapeMapHasher.hxx>
#include <NCollection_DataMap.hxx>
#include <NCollection_IndexedMap.hxx>
IMPLEMENT_STANDARD_RTTIEXT(ShapeAnalysis_Wire, Standard_Transient)
// szvsh addition
//=================================================================================================
ShapeAnalysis_Wire::ShapeAnalysis_Wire()
{
ClearStatuses();
myPrecision = ::Precision::Confusion();
}
//=================================================================================================
ShapeAnalysis_Wire::ShapeAnalysis_Wire(const TopoDS_Wire& wire,
const TopoDS_Face& face,
const double precision)
{
Init(wire, face, precision);
}
//=================================================================================================
ShapeAnalysis_Wire::ShapeAnalysis_Wire(const occ::handle<ShapeExtend_WireData>& sbwd,
const TopoDS_Face& face,
const double precision)
{
Init(sbwd, face, precision);
}
//=================================================================================================
void ShapeAnalysis_Wire::Init(const TopoDS_Wire& wire,
const TopoDS_Face& face,
const double precision)
{
Init(new ShapeExtend_WireData(wire), face, precision);
}
//=================================================================================================
void ShapeAnalysis_Wire::Init(const occ::handle<ShapeExtend_WireData>& sbwd,
const TopoDS_Face& face,
const double precision)
{
Load(sbwd);
SetFace(face);
SetPrecision(precision);
}
//=================================================================================================
void ShapeAnalysis_Wire::Load(const TopoDS_Wire& wire)
{
ClearStatuses();
myWire = new ShapeExtend_WireData(wire);
}
//=================================================================================================
void ShapeAnalysis_Wire::Load(const occ::handle<ShapeExtend_WireData>& sbwd)
{
ClearStatuses();
myWire = sbwd;
}
//=================================================================================================
void ShapeAnalysis_Wire::SetFace(const TopoDS_Face& face)
{
myFace = face;
if (myFace.IsNull())
{
return;
}
const occ::handle<Geom_Surface> aSurface = BRep_Tool::Surface(myFace);
if (!face.IsNull() && !aSurface.IsNull())
{
mySurf = new ShapeAnalysis_Surface(aSurface);
}
}
//=================================================================================================
void ShapeAnalysis_Wire::SetFace(const TopoDS_Face& theFace,
const occ::handle<ShapeAnalysis_Surface>& theSurfaceAnalysis)
{
myFace = theFace;
mySurf = theSurfaceAnalysis;
}
//=================================================================================================
void ShapeAnalysis_Wire::SetSurface(const occ::handle<ShapeAnalysis_Surface>& theSurfaceAnalysis)
{
mySurf = theSurfaceAnalysis;
}
//=================================================================================================
void ShapeAnalysis_Wire::SetSurface(const occ::handle<Geom_Surface>& surface)
{
SetSurface(surface, TopLoc_Location());
}
//=================================================================================================
void ShapeAnalysis_Wire::SetSurface(const occ::handle<Geom_Surface>& surface,
const TopLoc_Location& location)
{
BRep_Builder B;
TopoDS_Face face;
B.MakeFace(face, surface, location, ::Precision::Confusion());
SetFace(face);
}
//=================================================================================================
void ShapeAnalysis_Wire::SetPrecision(const double precision)
{
myPrecision = precision;
}
//=================================================================================================
void ShapeAnalysis_Wire::ClearStatuses()
{
myStatusOrder = myStatusConnected = myStatusEdgeCurves = myStatusDegenerated = myStatusClosed =
myStatusLacking = myStatusSelfIntersection = myStatusSmall = myStatusGaps3d = myStatusGaps2d =
myStatusCurveGaps = myStatusLoop = myStatus = 0;
myMin3d = myMin2d = myMax3d = myMax2d = 0.;
}
//=================================================================================================
bool ShapeAnalysis_Wire::Perform()
{
bool result = false;
result |= CheckOrder();
result |= CheckSmall();
result |= CheckConnected();
result |= CheckEdgeCurves();
result |= CheckDegenerated();
result |= CheckSelfIntersection();
result |= CheckLacking();
result |= CheckClosed();
return result;
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckOrder(const bool isClosed, const bool mode3d)
{
ShapeAnalysis_WireOrder sawo;
CheckOrder(sawo, isClosed, mode3d, false);
myStatusOrder = myStatus;
return StatusOrder(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckSmall(const double precsmall)
{
for (int i = 1; i <= myWire->NbEdges(); i++)
{
CheckSmall(i, precsmall);
myStatusSmall |= myStatus;
}
return StatusSmall(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckConnected(const double prec)
{
for (int i = 1; i <= myWire->NbEdges(); i++)
{
CheckConnected(i, prec);
myStatusConnected |= myStatus;
}
return StatusConnected(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckEdgeCurves()
{
myStatusEdgeCurves = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady())
{
return false;
}
int i, nb = myWire->NbEdges();
ShapeAnalysis_Edge SAE;
for (i = 1; i <= nb; i++)
{
TopoDS_Edge E = myWire->Edge(i);
SAE.CheckCurve3dWithPCurve(E, myFace);
if (SAE.Status(ShapeExtend_DONE))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
if (SAE.Status(ShapeExtend_FAIL))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
}
SAE.CheckVerticesWithPCurve(E, myFace);
if (SAE.Status(ShapeExtend_DONE))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_DONE2);
}
if (SAE.Status(ShapeExtend_FAIL))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
SAE.CheckVerticesWithCurve3d(E);
if (SAE.Status(ShapeExtend_DONE))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_DONE3);
}
if (SAE.Status(ShapeExtend_FAIL))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
}
CheckSeam(i);
if (LastCheckStatus(ShapeExtend_DONE))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_DONE4);
}
if (LastCheckStatus(ShapeExtend_FAIL))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL4);
}
CheckGap3d(i);
if (LastCheckStatus(ShapeExtend_DONE))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_DONE5);
}
if (LastCheckStatus(ShapeExtend_FAIL))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL5);
}
CheckGap2d(i);
if (LastCheckStatus(ShapeExtend_DONE))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_DONE6);
}
if (LastCheckStatus(ShapeExtend_FAIL))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL6);
}
double maxdev = 0.0;
SAE.CheckSameParameter(myWire->Edge(i), maxdev);
if (SAE.Status(ShapeExtend_DONE))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_DONE7);
}
if (SAE.Status(ShapeExtend_FAIL))
{
myStatusEdgeCurves |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL7);
}
}
return StatusEdgeCurves(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckDegenerated()
{
for (int i = 1; i <= myWire->NbEdges(); i++)
{
CheckDegenerated(i);
myStatusDegenerated |= myStatus;
}
return StatusDegenerated(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckSelfIntersection()
{
myStatusSelfIntersection = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady())
{
return false;
}
int i, nb = myWire->NbEdges();
for (i = 1; i <= nb; i++)
{
CheckSelfIntersectingEdge(i);
if (LastCheckStatus(ShapeExtend_DONE))
{
myStatusSelfIntersection |= ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
if (LastCheckStatus(ShapeExtend_FAIL))
{
myStatusSelfIntersection |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
}
CheckIntersectingEdges(i);
if (LastCheckStatus(ShapeExtend_DONE))
{
myStatusSelfIntersection |= ShapeExtend::EncodeStatus(ShapeExtend_DONE2);
}
if (LastCheckStatus(ShapeExtend_FAIL))
{
myStatusSelfIntersection |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
}
NCollection_Array1<Bnd_Box2d> boxes(1, nb);
TopLoc_Location L;
const occ::handle<Geom_Surface>& S = BRep_Tool::Surface(Face(), L);
occ::handle<Geom2d_Curve> c2d;
double cf, cl;
ShapeAnalysis_Edge sae;
occ::handle<ShapeExtend_WireData> sbwd = WireData();
for (i = 1; i <= nb; i++)
{
TopoDS_Edge E = sbwd->Edge(i);
if (sae.PCurve(E, S, L, c2d, cf, cl, false))
{
Bnd_Box2d box;
Geom2dAdaptor_Curve gac(c2d, cf, cl);
BndLib_Add2dCurve::Add(gac, ::Precision::Confusion(), box);
boxes(i) = box;
}
}
bool isFail = false, isDone = false;
for (int num1 = 1; num1 < nb - 1; num1++)
{
int fin = nb;
if (CheckClosed(Precision::Confusion()) && 1 == num1)
{
fin = nb - 1;
}
for (int num2 = num1 + 2; num2 <= fin; num2++)
{
if (!boxes(num1).IsOut(boxes(num2)))
{
CheckIntersectingEdges(num1, num2);
isFail |= LastCheckStatus(ShapeExtend_FAIL1);
isDone |= LastCheckStatus(ShapeExtend_DONE1);
}
}
}
if (isFail)
{
myStatusSelfIntersection |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
}
if (isDone)
{
myStatusSelfIntersection |= ShapeExtend::EncodeStatus(ShapeExtend_DONE3);
}
return StatusSelfIntersection(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckLacking()
{
if (!IsReady() || NbEdges() < 2)
{
return false;
}
for (int i = 1; i <= myWire->NbEdges(); i++)
{
CheckLacking(i);
myStatusLacking |= myStatus;
}
return StatusLacking(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckClosed(const double prec)
{
myStatusClosed = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady() || NbEdges() < 1)
{
return false;
}
CheckConnected(1, prec);
if (LastCheckStatus(ShapeExtend_DONE))
{
myStatusClosed |= ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
if (LastCheckStatus(ShapeExtend_FAIL))
{
myStatusClosed |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
}
CheckDegenerated(1);
if (LastCheckStatus(ShapeExtend_DONE))
{
myStatusClosed |= ShapeExtend::EncodeStatus(ShapeExtend_DONE2);
}
if (LastCheckStatus(ShapeExtend_FAIL))
{
myStatusClosed |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
return StatusClosed(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckGaps3d()
{
myStatusGaps3d = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsLoaded() || NbEdges() < 1)
{
return false; // gka IsLoaded
}
double dist, maxdist = 0.;
for (int i = 1; i <= NbEdges(); i++)
{
CheckGap3d(i);
myStatusGaps3d |= myStatus;
if (!LastCheckStatus(ShapeExtend_FAIL1))
{
dist = MinDistance3d();
if (maxdist < dist)
{
maxdist = dist;
}
}
}
myMin3d = myMax3d = maxdist;
return StatusGaps3d(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckGaps2d()
{
myStatusGaps2d = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady() || NbEdges() < 1)
{
return false;
}
double dist, maxdist = 0.;
for (int i = 1; i <= NbEdges(); i++)
{
CheckGap2d(i);
myStatusGaps2d |= myStatus;
if (!LastCheckStatus(ShapeExtend_FAIL1))
{
dist = MinDistance2d();
if (maxdist < dist)
{
maxdist = dist;
}
}
}
myMin2d = myMax2d = maxdist;
return StatusGaps2d(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckCurveGaps()
{
myStatusCurveGaps = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady() || NbEdges() < 1)
{
return false;
}
double dist, maxdist = 0.;
for (int i = 1; i <= NbEdges(); i++)
{
CheckCurveGap(i);
myStatusCurveGaps |= myStatus;
if (!LastCheckStatus(ShapeExtend_FAIL1))
{
dist = MinDistance3d();
if (maxdist < dist)
{
maxdist = dist;
}
}
}
myMin3d = myMax3d = maxdist;
return StatusCurveGaps(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckOrder(ShapeAnalysis_WireOrder& sawo,
const bool isClosed,
const bool theMode3D,
const bool theModeBoth)
{
if ((!theMode3D || theModeBoth) && myFace.IsNull())
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
sawo.SetMode(theMode3D, 0.0, theModeBoth);
int nb = myWire->NbEdges();
ShapeAnalysis_Edge EA;
bool isAll2dEdgesOk = true;
for (int i = 1; i <= nb; i++)
{
TopoDS_Edge E = myWire->Edge(i);
gp_XYZ aP1XYZ, aP2XYZ;
gp_XY aP1XY, aP2XY;
if (theMode3D || theModeBoth)
{
TopoDS_Vertex V1 = EA.FirstVertex(E);
TopoDS_Vertex V2 = EA.LastVertex(E);
if (V1.IsNull() || V2.IsNull())
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
else
{
aP1XYZ = BRep_Tool::Pnt(V1).XYZ();
aP2XYZ = BRep_Tool::Pnt(V2).XYZ();
}
}
if (!theMode3D || theModeBoth)
{
double f, l;
occ::handle<Geom2d_Curve> c2d;
TopoDS_Shape tmpF = myFace.Oriented(TopAbs_FORWARD);
if (!EA.PCurve(E, TopoDS::Face(tmpF), c2d, f, l))
{
// if mode is 2d, then we can nothing to do, else we can switch to 3d mode
if (!theMode3D && !theModeBoth)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
else
{
isAll2dEdgesOk = false;
}
}
else
{
aP1XY = c2d->Value(f).XY();
aP2XY = c2d->Value(l).XY();
}
}
if (theMode3D && !theModeBoth)
{
sawo.Add(aP1XYZ, aP2XYZ);
}
else if (!theMode3D && !theModeBoth)
{
sawo.Add(aP1XY, aP2XY);
}
else
{
sawo.Add(aP1XYZ, aP2XYZ, aP1XY, aP2XY);
}
}
// need to switch to 3d mode
if (theModeBoth && !isAll2dEdgesOk)
{
sawo.SetMode(true, 0.0, false);
}
sawo.Perform(isClosed);
int stat = sawo.Status();
switch (stat)
{
case 0:
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
break;
case 1:
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
break;
// clang-format off
case 2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2); break; // this value is not returned
case -1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE3); break;
case -2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE4); break; // this value is not returned
case 3: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE5); break; // only shifted
case -10: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1); break; // this value is not returned
// clang-format on
}
return LastCheckStatus(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckConnected(const int num, const double prec)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsLoaded() || NbEdges() < 1)
{
return false;
}
int n2 = (num > 0 ? num : NbEdges());
int n1 = (n2 > 1 ? n2 - 1 : NbEdges());
// if (n1 == n2) return 0;
TopoDS_Edge E1 = WireData()->Edge(n1);
TopoDS_Edge E2 = WireData()->Edge(n2);
ShapeAnalysis_Edge sae;
TopoDS_Vertex V1 = sae.LastVertex(E1);
TopoDS_Vertex V2 = sae.FirstVertex(E2);
if (V1.IsNull() || V2.IsNull())
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
if (V1.IsSame(V2))
{
return false;
}
gp_Pnt p1 = BRep_Tool::Pnt(V1);
gp_Pnt p2 = BRep_Tool::Pnt(V2);
myMin3d = p1.Distance(p2);
if (myMin3d <= gp::Resolution())
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
else if (myMin3d <= myPrecision)
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE2);
}
else if (myMin3d <= prec)
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE3);
}
else
{
// et en inversant la derniere edge ?
if (n1 == n2)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
}
else
{
V2 = sae.LastVertex(E2);
p2 = BRep_Tool::Pnt(V2);
double dist = p1.Distance(p2);
if (dist > myPrecision)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
}
else
{
myMin3d = dist;
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
}
return false;
}
return true;
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckSmall(const int num, const double precsmall)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsLoaded() || NbEdges() <= 1)
{
return false;
}
TopoDS_Edge E = myWire->Edge(num ? num : NbEdges());
ShapeAnalysis_Edge sae;
if (BRep_Tool::Degenerated(E))
{
//: n2 abv 22 Jan 99: ma-test5.igs -> IGES (brep) -> read (pref3d):
// degen edge with no pcurve should be removed
if (!myFace.IsNull() && sae.HasPCurve(E, Face()))
{
return false;
}
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
}
TopoDS_Vertex V1 = sae.FirstVertex(E);
TopoDS_Vertex V2 = sae.LastVertex(E);
if (V1.IsNull() || V2.IsNull())
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
gp_Pnt p1 = BRep_Tool::Pnt(V1);
gp_Pnt p2 = BRep_Tool::Pnt(V2);
double dist = p1.Distance(p2);
double prec = precsmall; // Min ( myPrecision, precsmall );
if (dist > prec)
{
return false; // not small enough
}
// The 3D curve now: is it CLOSED or ZERO LENGTH...???
// To do this, we take the midpoint (is there anything better?)
// If there's no 3D curve, we try 2D...
gp_Pnt aMidpoint;
double cf, cl;
occ::handle<Geom_Curve> c3d;
if (sae.Curve3d(E, c3d, cf, cl, false))
{
aMidpoint = c3d->Value((cf + cl) / 2.);
}
else
{
occ::handle<Geom2d_Curve> c2d;
if (!myFace.IsNull() && !mySurf.IsNull() && sae.PCurve(E, myFace, c2d, cf, cl, false))
{
gp_Pnt2d p2m = c2d->Value((cf + cl) / 2.);
aMidpoint = mySurf->Value(p2m);
}
else
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
aMidpoint = p1;
}
}
if (aMidpoint.Distance(p1) > prec || aMidpoint.Distance(p2) > prec)
{
return false;
}
myStatus |= ShapeExtend::EncodeStatus(V1.IsSame(V2) ? ShapeExtend_DONE1 : ShapeExtend_DONE2);
return true;
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckSeam(const int num,
occ::handle<Geom2d_Curve>& C1,
occ::handle<Geom2d_Curve>& C2,
double& cf,
double& cl)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady())
{
return false;
}
int n = num;
if (n == 0)
{
n = NbEdges();
}
TopoDS_Edge E = myWire->Edge(n);
if (!ShapeAnalysis_Edge().IsSeam(E, myFace))
{
return false;
}
// Extract the Two PCurves of the Seam
TopoDS_Face ForwardFace = myFace;
ForwardFace.Orientation(TopAbs_FORWARD);
// szv#4:S4163:12Mar99 SGI warns
TopoDS_Shape EF = E.Oriented(TopAbs_FORWARD);
TopoDS_Shape ER = E.Oriented(TopAbs_REVERSED);
C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(EF), ForwardFace, cf, cl);
C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(ER), ForwardFace, cf, cl);
if (C1.IsNull() || C2.IsNull())
{
return false;
}
// SelectForward est destine a devenir un outil distinct
int theCurveIndice = ShapeAnalysis_Curve().SelectForwardSeam(C1, C2);
if (theCurveIndice != 2)
{
return false;
}
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
return true;
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckSeam(const int num)
{
occ::handle<Geom2d_Curve> C1, C2;
double cf, cl;
return CheckSeam(num, C1, C2, cf, cl);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckDegenerated(const int num, gp_Pnt2d& p2d1, gp_Pnt2d& p2d2)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady() || NbEdges() < 1)
{
return false;
}
int n2 = (num > 0) ? num : NbEdges();
int n1 = (n2 > 1) ? n2 - 1 : NbEdges();
int n3 = (n2 < NbEdges()) ? n2 + 1 : 1;
TopoDS_Edge E1 = myWire->Edge(n1);
TopoDS_Edge E2 = myWire->Edge(n2);
TopoDS_Edge E3 = myWire->Edge(n3);
ShapeAnalysis_Edge sae;
// skip if edge is already marked as degenerated and has pcurve
if (BRep_Tool::Degenerated(E2) && sae.HasPCurve(E2, Face()))
{
// skl 30.12.2004 for OCC7630 - we have to check pcurve
if (sae.HasPCurve(E1, Face()) && sae.HasPCurve(E3, Face()))
{
occ::handle<Geom2d_Curve> c2d;
double fp, lp;
sae.PCurve(E2, myFace, c2d, fp, lp, true);
gp_Pnt2d p21 = c2d->Value(fp);
gp_Pnt2d p22 = c2d->Value(lp);
sae.PCurve(E1, myFace, c2d, fp, lp, true);
gp_Pnt2d p12 = c2d->Value(lp);
sae.PCurve(E3, myFace, c2d, fp, lp, true);
gp_Pnt2d p31 = c2d->Value(fp);
if (fabs(p12.Distance(p31) - p21.Distance(p22)) > 2 * Precision::PConfusion())
{
// pcurve is bad => we can remove this edge in ShapeFix
// if set needed status
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
}
return false;
}
// pdn allows to insert two sequences of degenerated edges (on separate bounds of surfaces)
if (n1 != n2 && BRep_Tool::Degenerated(E1) && !sae.HasPCurve(E1, Face()))
{
//: abv 13.05.02: OCC320 - fail (to remove edge) if two consecutive degenerated edges w/o
//: pcurves
if (BRep_Tool::Degenerated(E2))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
return false;
}
TopoDS_Vertex Vp = sae.FirstVertex(E1); //: i9
TopoDS_Vertex V0 = sae.LastVertex(E1);
TopoDS_Vertex V1 = sae.FirstVertex(E2);
TopoDS_Vertex V2 = sae.LastVertex(E2);
if (Vp.IsNull() || V0.IsNull() || V1.IsNull() || V2.IsNull())
{
return false;
}
gp_Pnt pp = BRep_Tool::Pnt(Vp); //: i9
gp_Pnt p0 = BRep_Tool::Pnt(V0);
gp_Pnt p1 = BRep_Tool::Pnt(V1);
gp_Pnt p2 = BRep_Tool::Pnt(V2);
double par1, par2;
bool lack = false;
bool dgnr = false;
// pdn 12.03.99 minimal value processing first
double precFirst = std::min(myPrecision, BRep_Tool::Tolerance(V1));
double precFin = std::max(myPrecision, BRep_Tool::Tolerance(V1));
double precVtx = (myPrecision < BRep_Tool::Tolerance(V1) ? 2 * precFin : precFin);
// forward : si Edge <num> FWD/REV. Si LACK, toujours True
bool forward = (E2.Orientation() == TopAbs_FORWARD);
// FIX FEV 1998 : recompute singularity according precision
if (p1.Distance(p2) <= precFirst)
{ // edge DGNR
dgnr = mySurf->DegeneratedValues(p1, precVtx, p2d1, p2d2, par1, par2, forward); // smh#9
if (dgnr)
{ // abv 24 Feb 00: trj3_as1-ac-214.stp #6065: avoid making closed edge degenerated
double a, b;
occ::handle<Geom_Curve> C3d = BRep_Tool::Curve(E2, a, b);
if (!C3d.IsNull())
{
gp_Pnt p = C3d->Value(0.5 * (a + b));
if (p.SquareDistance(p1) > precVtx * precVtx)
{
dgnr = false;
}
}
}
}
if (!dgnr)
{
//: i9 abv 23 Sep 98: CTS20315-2 #63231: check that previous edge is not degenerated
if (n1 != n2 && p1.Distance(pp) <= precFirst && mySurf->IsDegenerated(pp, precFirst)
&& !BRep_Tool::Degenerated(E1))
{
return false;
}
// rln S4135 ShapeAnalysis_Surface new algorithms for singularities
//: 45 by abv 16 Dec 97: BUC60035 2659: precision increased to vertex tolerance
// double prec = Max ( myPrecision, BRep_Tool::Tolerance(V1) );
//: 51 abv 22 Dec 97: recompute singularities if necessary
// rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( 2 * prec ); //:51 //:74
// abv 15 Jan 97: *2
if (p0.Distance(p1) <= precFin)
{ // ou DGNR manquante ?
// rln S4135 singularity with precision = 2 * prec, but distance <= prec
// lack = mySurf->DegeneratedValues ( p1, prec, p2d1, p2d2, par1, par2, forward);
double tmpPreci;
gp_Pnt tmpP3d;
bool tmpUIsoDeg;
// #77 rln S4135: using singularity which has minimum gap between singular point and input 3D
// point
int indMin = -1;
double gapMin2 = RealLast();
for (int i = 1; i <= mySurf->NbSingularities(precVtx); i++)
{
mySurf->Singularity(i, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
double gap2 = p1.SquareDistance(tmpP3d);
if (gap2 <= precVtx * precVtx)
{
if (gapMin2 > gap2)
{
gapMin2 = gap2;
indMin = i;
}
}
}
if (indMin >= 1)
{
mySurf->Singularity(indMin, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
lack = true;
}
}
// rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( myPrecision ); //:51
}
// there you go, we either have degenerate or lack
if (!lack && !dgnr)
{
//: abv 29.08.01: if singularity not detected but edge is marked
// as degenerated, report fail
if (BRep_Tool::Degenerated(E2) && !sae.HasPCurve(E2, Face()))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
return false;
}
// OK, degenerated case detected; we will find its start and end in 2d
if (lack)
{
forward = true;
}
//: 24 by abv 28 Nov 97:
// make degenerative pcurve parametrized exactly from end of pcurve of the
// previous edge to the start of the next one
if (lack || n1 != n2)
{ //: i8 abv 18 Sep 98: ProSTEP TR9 r0501-ug.stp #182180: single degedge is a wire at apex of a
//: cone
double a, b;
occ::handle<Geom2d_Curve> c2d;
if (sae.PCurve(E1, myFace, c2d, a, b, true))
{
p2d1 = c2d->Value(b);
}
else
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
}
// pdn pcurves (fixing regression in f0 in degenerated case)
if (sae.PCurve((dgnr ? E3 : E2), myFace, c2d, a, b, true))
{
p2d2 = c2d->Value(a);
}
else
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
}
}
// #84 rln 18.03.99 if pcurve is not degenerate anymore, the fix is postponned
// to ShapeFix_Wire::FixLacking
if (!mySurf->IsDegenerated(p2d1, p2d2, precVtx, 10.))
{ //: s1 abv 22 Apr 99: PRO7226 #489490 //smh#9
//: abv 24.05.02: OCC320 - fail (to remove edge) if two consecutive degenerated edges w/o
//: pcurves
if (BRep_Tool::Degenerated(E2))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
return false;
}
// added by rln 18/12/97 CSR# CTS18544 entity 13638
// the situation when degenerated edge already exists but flag is not set
//(i.e. the parametric space is closed)
GeomAdaptor_Surface& Ads = *mySurf->Adaptor3d();
double max = std::max(Ads.UResolution(myPrecision), Ads.VResolution(myPrecision));
if (p2d1.Distance(p2d2) /*Abs (par1 - par2)*/ <= max + gp::Resolution())
{
return false;
}
myStatus = ShapeExtend::EncodeStatus(dgnr ? ShapeExtend_DONE2 : ShapeExtend_DONE1);
return true;
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckDegenerated(const int num)
{
gp_Pnt2d p2d1, p2d2;
return CheckDegenerated(num, p2d1, p2d2);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckGap3d(const int num)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
// szv#4:S4163:12Mar99 optimized
if (!IsLoaded() || NbEdges() < 1)
{
return false; // szvsh was nbedges < 2
}
int n2 = (num > 0 ? num : NbEdges());
int n1 = (n2 > 1 ? n2 - 1 : NbEdges());
TopoDS_Edge E1 = myWire->Edge(n1);
TopoDS_Edge E2 = myWire->Edge(n2);
double uf1, ul1, uf2, ul2;
occ::handle<Geom_Curve> C1, C2;
ShapeAnalysis_Edge SAE;
if (!SAE.Curve3d(E1, C1, uf1, ul1) || !SAE.Curve3d(E2, C2, uf2, ul2))
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
gp_Pnt p1 = C1->Value(ul1);
gp_Pnt p2 = C2->Value(uf2);
myMin3d = myMax3d = p1.Distance(p2);
if (myMin3d > myPrecision)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
return LastCheckStatus(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckGap2d(const int num)
{
if (myFace.IsNull() || mySurf.IsNull())
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
// szv#4:S4163:12Mar99 optimized
if (!IsReady() || NbEdges() < 1)
{
return false; // szvsh was nbedges < 2
}
int n2 = (num > 0 ? num : NbEdges());
int n1 = (n2 > 1 ? n2 - 1 : NbEdges());
TopoDS_Edge E1 = myWire->Edge(n1);
TopoDS_Edge E2 = myWire->Edge(n2);
double uf1, ul1, uf2, ul2;
occ::handle<Geom2d_Curve> C1, C2;
ShapeAnalysis_Edge SAE;
if (!SAE.PCurve(E1, myFace, C1, uf1, ul1) || !SAE.PCurve(E2, myFace, C2, uf2, ul2))
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
gp_Pnt2d p1 = C1->Value(ul1);
gp_Pnt2d p2 = C2->Value(uf2);
myMin2d = myMax2d = p1.Distance(p2);
GeomAdaptor_Surface& SA = *mySurf->Adaptor3d();
if (myMin2d > (std::max(SA.UResolution(myPrecision), SA.VResolution(myPrecision))
+ Precision::PConfusion()))
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
return LastCheckStatus(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckCurveGap(const int num)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsLoaded() || NbEdges() < 1)
{
return false;
}
int n = (num > 0 ? num : NbEdges());
TopoDS_Edge E = myWire->Edge(n);
double cuf, cul, pcuf, pcul;
occ::handle<Geom_Curve> c;
ShapeAnalysis_Edge SAE;
if (!SAE.Curve3d(E, c, cuf, cul, false))
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
occ::handle<Geom2d_Curve> pc;
if (!SAE.PCurve(E, myFace, pc, pcuf, pcul, false))
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
occ::handle<Geom2dAdaptor_Curve> AC = new Geom2dAdaptor_Curve(pc, pcuf, pcul);
occ::handle<GeomAdaptor_Surface> AS = new GeomAdaptor_Surface(mySurf->Surface());
Adaptor3d_CurveOnSurface ACS(AC, AS);
gp_Pnt cpnt, pcpnt;
int nbp = 45;
double dist, maxdist = 0.;
for (int i = 0; i < nbp; i++)
{
cpnt = c->Value(cuf + i * (cul - cuf) / (nbp - 1));
pcpnt = ACS.Value(pcuf + i * (pcul - pcuf) / (nbp - 1));
dist = cpnt.SquareDistance(pcpnt);
if (maxdist < dist)
{
maxdist = dist;
}
}
myMin3d = myMax3d = std::sqrt(maxdist);
if (myMin3d > myPrecision)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
return LastCheckStatus(ShapeExtend_DONE);
}
//=================================================================================================
// auxiliary function
//: h0 abv 29 May 98: PRO10105 1949: like in BRepCheck, point is to be taken
// from 3d curve (but only if edge is SameParameter)
static gp_Pnt GetPointOnEdge(const TopoDS_Edge& edge,
const occ::handle<ShapeAnalysis_Surface>& surf,
const Geom2dAdaptor_Curve& Crv2d,
const double param)
{
if (BRep_Tool::SameParameter(edge))
{
double f, l;
TopLoc_Location L;
const occ::handle<Geom_Curve> ConS = BRep_Tool::Curve(edge, L, f, l);
if (!ConS.IsNull())
{
return ConS->Value(param).Transformed(L.Transformation());
}
}
gp_Pnt2d aP2d = Crv2d.Value(param);
return surf->Adaptor3d()->Value(aP2d.X(), aP2d.Y());
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckSelfIntersectingEdge(
const int num,
NCollection_Sequence<IntRes2d_IntersectionPoint>& points2d,
NCollection_Sequence<gp_Pnt>& points3d)
{
points2d.Clear();
points3d.Clear();
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady())
{
return false;
}
TopoDS_Edge edge = WireData()->Edge(num > 0 ? num : NbEdges());
ShapeAnalysis_Edge sae;
double a, b;
occ::handle<Geom2d_Curve> Crv;
if (!sae.PCurve(edge, myFace, Crv, a, b, false))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
if (std::abs(a - b) <= ::Precision::PConfusion())
{
return false;
}
double tolint = 1.0e-10;
// szv#4:S4163:12Mar99 warning
IntRes2d_Domain domain(Crv->Value(a), a, tolint, Crv->Value(b), b, tolint);
Geom2dAdaptor_Curve AC(Crv);
Geom2dInt_GInter Inter(AC, domain, tolint, tolint);
if (!Inter.IsDone())
{
return false;
}
TopoDS_Vertex V1 = sae.FirstVertex(edge);
TopoDS_Vertex V2 = sae.LastVertex(edge);
if (V1.IsNull() || V2.IsNull())
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
double tol1 = BRep_Tool::Tolerance(V1);
double tol2 = BRep_Tool::Tolerance(V2);
gp_Pnt pnt1 = BRep_Tool::Pnt(V1);
gp_Pnt pnt2 = BRep_Tool::Pnt(V2);
for (int i = 1; i <= Inter.NbPoints(); i++)
{
const IntRes2d_IntersectionPoint& IP = Inter.Point(i);
const IntRes2d_Transition& Tr1 = IP.TransitionOfFirst();
const IntRes2d_Transition& Tr2 = IP.TransitionOfSecond();
if (Tr1.PositionOnCurve() != IntRes2d_Middle && Tr2.PositionOnCurve() != IntRes2d_Middle)
{
continue;
}
gp_Pnt pint = GetPointOnEdge(edge, mySurf, AC, IP.ParamOnFirst());
double dist21 = pnt1.SquareDistance(pint);
double dist22 = pnt2.SquareDistance(pint);
if (dist21 > tol1 * tol1 && dist22 > tol2 * tol2)
{
points2d.Append(IP);
points3d.Append(pint);
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
}
return LastCheckStatus(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckSelfIntersectingEdge(const int num)
{
NCollection_Sequence<IntRes2d_IntersectionPoint> points2d;
NCollection_Sequence<gp_Pnt> points3d;
return CheckSelfIntersectingEdge(num, points2d, points3d);
}
//=======================================================================
// function : CheckIntersectingEdges
// purpose : Test if two consequent edges are intersecting
// It is made in accordance with the following check in BRepCheck:
// - in BRepCheck_Wire::Orientation(), test for self-intersection
//=======================================================================
bool ShapeAnalysis_Wire::CheckIntersectingEdges(
const int num,
NCollection_Sequence<IntRes2d_IntersectionPoint>& points2d,
NCollection_Sequence<gp_Pnt>& points3d,
NCollection_Sequence<double>& errors)
{
points2d.Clear();
points3d.Clear();
errors.Clear();
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady() || NbEdges() < 2)
{
return false;
}
// szv#4:S4163:12Mar99 optimized
int n2 = (num > 0) ? num : NbEdges();
int n1 = (n2 > 1) ? n2 - 1 : NbEdges();
TopoDS_Edge edge1 = myWire->Edge(n1);
TopoDS_Edge edge2 = myWire->Edge(n2);
ShapeAnalysis_Edge sae;
TopoDS_Vertex V1 = sae.LastVertex(edge1);
TopoDS_Vertex V2 = sae.FirstVertex(edge2);
if (V1.IsNull() || V2.IsNull())
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
if (!BRepTools::Compare(V1, V2))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
TopoDS_Vertex Vp = sae.FirstVertex(edge1);
TopoDS_Vertex Vn = sae.LastVertex(edge2);
double a1, b1, a2, b2;
occ::handle<Geom2d_Curve> Crv1, Crv2;
if (!sae.PCurve(edge1, myFace, Crv1, a1, b1, false))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
return false;
}
if (!sae.PCurve(edge2, myFace, Crv2, a2, b2, false))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
return false;
}
if (std::abs(a1 - b1) <= ::Precision::PConfusion() ||
// clang-format off
std::abs( a2 - b2 ) <= ::Precision::PConfusion() ) { return false; //:f7 abv 6 May 98: BUC50070 on #42276
}
// clang-format on
bool isForward1 = (edge1.Orientation() == TopAbs_FORWARD);
bool isForward2 = (edge2.Orientation() == TopAbs_FORWARD);
double tol0 = std::max(BRep_Tool::Tolerance(V1), BRep_Tool::Tolerance(V2));
double tol = tol0;
gp_Pnt pnt = BRep_Tool::Pnt(V1);
// bool Status = false;
double tolint = 1.0e-10;
// szv#4:S4163:12Mar99 warning
Geom2dAdaptor_Curve C1(Crv1), C2(Crv2);
IntRes2d_Domain d1(C1.Value(a1), a1, tolint, C1.Value(b1), b1, tolint);
IntRes2d_Domain d2(C2.Value(a2), a2, tolint, C2.Value(b2), b2, tolint);
//: 64 abv 25 Dec 97: Attention!
// Since Intersection algorithm is not symmetrical, for consistency with BRepCheck
// edge with lower order number should be intersecting with edge with higher one
// i.e., for intersection of last and first edges, they should go in reversed order
// Example: entity #38285 from bug CSR #CTS17806
// NOTE: Tr1 and Tr2 are not reordered because they are used in the same manner
Geom2dInt_GInter Inter;
if (num == 1)
{
Inter.Perform(C2, d2, C1, d1, tolint, tolint);
}
else
{
Inter.Perform(C1, d1, C2, d2, tolint, tolint);
}
if (!Inter.IsDone())
{
return false;
}
//: 86 abv 22 Jan 98: fix self-intersection even if tolerance of vertex is enough
// to annihilate it. This is done to prevent wrong effects if vertex tolerance
// will be decreased (e.g., in FixLacking)
double tole = std::max((BRep_Tool::SameParameter(edge1) ? BRep_Tool::Tolerance(edge1) : tol0),
(BRep_Tool::SameParameter(edge2) ? BRep_Tool::Tolerance(edge2) : tol0));
double tolt = std::min(tol, std::max(tole, myPrecision));
// double prevRange1 = RealLast(), prevRange2 = RealLast(); //SK
int isLacking = -1; //: l0 abv: CATIA01 #1727: protect against adding lacking
// #83 rln 19.03.99 sim2.igs, entity 4292
// processing also segments as in BRepCheck
int NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
for (int i = 1; i <= NbPoints + NbSegments; i++)
{
IntRes2d_IntersectionPoint IP;
IntRes2d_Transition Tr1, Tr2;
if (i <= NbPoints)
{
IP = Inter.Point(i);
}
else
{
const IntRes2d_IntersectionSegment& Seg = Inter.Segment(i - NbPoints);
if (!Seg.HasFirstPoint() || !Seg.HasLastPoint())
{
continue;
}
IP = Seg.FirstPoint();
Tr1 = IP.TransitionOfFirst();
Tr2 = IP.TransitionOfSecond();
if (Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
{
IP = Seg.LastPoint();
}
}
Tr1 = IP.TransitionOfFirst();
Tr2 = IP.TransitionOfSecond();
if (Tr1.PositionOnCurve() != IntRes2d_Middle && Tr2.PositionOnCurve() != IntRes2d_Middle)
{
continue;
}
double param1, param2;
param1 = (num == 1 ? IP.ParamOnSecond() : IP.ParamOnFirst());
param2 = (num == 1 ? IP.ParamOnFirst() : IP.ParamOnSecond());
//: r6 abv 8 Apr 99: r_47-sd.stp #173850: protect against working out of curve range
if (a1 - param1 > ::Precision::PConfusion() || param1 - b1 > ::Precision::PConfusion()
|| a2 - param2 > ::Precision::PConfusion() || param2 - b2 > ::Precision::PConfusion())
{
continue;
}
//: 82 abv 21 Jan 98: point of intersection on Crv1 and Crv2 is different
// clang-format off
gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, C1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
gp_Pnt pi2 = GetPointOnEdge ( edge2, mySurf, C2, param2 ); //:h0: thesurf.Value ( Crv2->Value ( param2 ) );
// clang-format on
gp_Pnt pint = 0.5 * (pi1.XYZ() + pi2.XYZ());
double di1 = pi1.SquareDistance(pnt);
double di2 = pi2.SquareDistance(pnt);
double dist2 = std::max(di1, di2);
// rln 03/02/98: CSR#BUC50004 entity 56 (to avoid later inserting lacking edge)
if (isLacking < 0)
{ //: l0
gp_Pnt2d end1 = Crv1->Value(isForward1 ? b1 : a1);
gp_Pnt2d end2 = Crv2->Value(isForward2 ? a2 : b2);
//: l0 double distab2 = mySurf->Value ( end1 ).SquareDistance ( mySurf->Value (
//: end2 ) ); l0: test like in BRepCheck
GeomAdaptor_Surface& Ads = *mySurf->Adaptor3d();
double tol2d = 2 * std::max(Ads.UResolution(tol), Ads.VResolution(tol));
isLacking = (end1.SquareDistance(end2) >= tol2d * tol2d);
}
if ((dist2 > tolt * tolt || //: 86: tol -> tolt
isLacking)
&& //: l0
//: l0 distab2 > BRep_Tool::Tolerance ( edge1 ) + BRep_Tool::Tolerance ( edge2 ) ) &&
//: //rln
(!BRepTools::Compare(Vp, Vn) || //: 63
dist2 < pint.SquareDistance(BRep_Tool::Pnt(Vp))))
{ //: 63
points2d.Append(IP);
points3d.Append(pint);
errors.Append(0.5 * pi1.Distance(pi2));
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
}
return LastCheckStatus(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckIntersectingEdges(const int num)
{
NCollection_Sequence<IntRes2d_IntersectionPoint> points2d;
NCollection_Sequence<gp_Pnt> points3d;
NCollection_Sequence<double> errors;
return CheckIntersectingEdges(num, points2d, points3d, errors);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckIntersectingEdges(
const int num1,
const int num2,
NCollection_Sequence<IntRes2d_IntersectionPoint>& points2d,
NCollection_Sequence<gp_Pnt>& points3d,
NCollection_Sequence<double>& errors)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady())
{
return false;
}
occ::handle<ShapeExtend_WireData> sbwd = WireData();
int n2 = (num2 > 0 ? num2 : sbwd->NbEdges());
int n1 = (num1 > 0 ? num1 : sbwd->NbEdges());
TopoDS_Edge edge1 = sbwd->Edge(n1);
TopoDS_Edge edge2 = sbwd->Edge(n2);
ShapeAnalysis_Edge sae;
double a1, b1, a2, b2;
occ::handle<Geom2d_Curve> Crv1, Crv2;
if (!sae.PCurve(edge1, myFace, Crv1, a1, b1, false))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
return false;
}
if (!sae.PCurve(edge2, myFace, Crv2, a2, b2, false))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
return false;
}
if (std::abs(a1 - b1) <= ::Precision::PConfusion()
|| std::abs(a2 - b2) <= ::Precision::PConfusion())
{
return false;
}
points2d.Clear();
points3d.Clear();
errors.Clear();
NCollection_Array1<gp_Pnt> vertexPoints(1, 4);
NCollection_Array1<double> vertexTolers(1, 4);
vertexPoints(1) = BRep_Tool::Pnt(sae.FirstVertex(edge1));
vertexTolers(1) = BRep_Tool::Tolerance(sae.FirstVertex(edge1));
vertexPoints(2) = BRep_Tool::Pnt(sae.LastVertex(edge1));
vertexTolers(2) = BRep_Tool::Tolerance(sae.LastVertex(edge1));
vertexPoints(3) = BRep_Tool::Pnt(sae.FirstVertex(edge2));
vertexTolers(3) = BRep_Tool::Tolerance(sae.FirstVertex(edge2));
vertexPoints(4) = BRep_Tool::Pnt(sae.LastVertex(edge2));
vertexTolers(4) = BRep_Tool::Tolerance(sae.LastVertex(edge2));
double tolint = 1.0e-10;
IntRes2d_Domain d1(Crv1->Value(a1), a1, tolint, Crv1->Value(b1), b1, tolint);
IntRes2d_Domain d2(Crv2->Value(a2), a2, tolint, Crv2->Value(b2), b2, tolint);
Geom2dAdaptor_Curve C1(Crv1), C2(Crv2);
Geom2dInt_GInter Inter;
Inter.Perform(C1, d1, C2, d2, tolint, tolint);
if (!Inter.IsDone())
{
return false;
}
// #83 rln 19.03.99 sim2.igs, entity 4292
// processing also segments as in BRepCheck
int NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
for (int i = 1; i <= NbPoints + NbSegments; i++)
{
IntRes2d_IntersectionPoint IP;
IntRes2d_Transition Tr1, Tr2;
if (i <= NbPoints)
{
IP = Inter.Point(i);
}
else
{
const IntRes2d_IntersectionSegment& Seg = Inter.Segment(i - NbPoints);
if (!Seg.HasFirstPoint() || !Seg.HasLastPoint())
{
continue;
}
IP = Seg.FirstPoint();
Tr1 = IP.TransitionOfFirst();
Tr2 = IP.TransitionOfSecond();
if (Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
{
IP = Seg.LastPoint();
}
}
Tr1 = IP.TransitionOfFirst();
Tr2 = IP.TransitionOfSecond();
if (Tr1.PositionOnCurve() != IntRes2d_Middle && Tr2.PositionOnCurve() != IntRes2d_Middle)
{
continue;
}
double param1 = IP.ParamOnFirst();
double param2 = IP.ParamOnSecond();
// clang-format off
gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, C1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
// clang-format on
gp_Pnt pi2 = GetPointOnEdge(edge2, mySurf, C2, param2);
bool OK1 = false;
bool OK2 = false;
for (int j = 1; (j <= 2) && !OK1; j++)
{
double di1 = pi1.SquareDistance(vertexPoints(j));
if (di1 < vertexTolers(j) * vertexTolers(j))
{
OK1 = true;
}
}
for (int j = 3; (j <= 4) && !OK2; j++)
{
double di2 = pi2.SquareDistance(vertexPoints(j));
if (di2 < vertexTolers(j) * vertexTolers(j))
{
OK2 = true;
}
}
if (!OK1 || !OK2)
{
gp_Pnt pint = 0.5 * (pi1.XYZ() + pi2.XYZ());
points2d.Append(IP);
points3d.Append(pint);
errors.Append(0.5 * pi1.Distance(pi2));
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
}
}
return LastCheckStatus(ShapeExtend_DONE);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckIntersectingEdges(const int num1, const int num2)
{
NCollection_Sequence<IntRes2d_IntersectionPoint> points2d;
NCollection_Sequence<gp_Pnt> points3d;
NCollection_Sequence<double> errors;
return CheckIntersectingEdges(num1, num2, points2d, points3d, errors);
}
//=======================================================================
// function : CheckLacking
// purpose : Test if two edges are disconnected in 2d according to the
// Adaptor_Surface::Resolution
//=======================================================================
bool ShapeAnalysis_Wire::CheckLacking(const int num,
const double Tolerance,
gp_Pnt2d& p2d1,
gp_Pnt2d& p2d2)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady())
{
return false;
}
// szv#4:S4163:12Mar99 optimized
int n2 = (num > 0) ? num : NbEdges();
int n1 = (n2 > 1) ? n2 - 1 : NbEdges();
TopoDS_Edge E1 = myWire->Edge(n1);
TopoDS_Edge E2 = myWire->Edge(n2);
ShapeAnalysis_Edge sae;
TopoDS_Vertex V1 = sae.LastVertex(E1);
TopoDS_Vertex V2 = sae.FirstVertex(E2);
// CKY 4 MAR 1998 : protection against null vertex
if (V1.IsNull() || V2.IsNull())
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
if (!BRepTools::Compare(V1, V2))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
double a, b;
gp_Vec2d v1, v2, v12;
occ::handle<Geom2d_Curve> c2d;
if (!sae.PCurve(E1, myFace, c2d, a, b, true))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
return false;
}
Geom2dAdaptor_Curve anAdapt(c2d);
anAdapt.D1(b, p2d1, v1);
if (E1.Orientation() == TopAbs_REVERSED)
{
v1.Reverse();
}
if (!sae.PCurve(E2, myFace, c2d, a, b, true))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
return false;
}
anAdapt.Load(c2d);
anAdapt.D1(a, p2d2, v2);
if (E2.Orientation() == TopAbs_REVERSED)
{
v2.Reverse();
}
v12 = p2d2.XY() - p2d1.XY();
myMax2d = v12.SquareMagnitude();
// test like in BRepCheck
double tol = std::max(BRep_Tool::Tolerance(V1), BRep_Tool::Tolerance(V2));
tol = (Tolerance > gp::Resolution() && Tolerance < tol ? Tolerance : tol);
GeomAdaptor_Surface& Ads = *mySurf->Adaptor3d();
double tol2d = 2 * std::max(Ads.UResolution(tol), Ads.VResolution(tol));
if ( // tol2d < gp::Resolution() || //#2 smh 26.03.99 S4163 Zero divide
myMax2d < tol2d * tol2d)
{
return false;
}
myMax2d = std::sqrt(myMax2d);
myMax3d = tol * myMax2d / std::max(tol2d, gp::Resolution());
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
if (myMax2d < Precision::PConfusion() || //: abv 03.06.02 CTS21866.stp
(v1.SquareMagnitude() > gp::Resolution() && std::abs(v12.Angle(v1)) > 0.9 * M_PI)
|| (v2.SquareMagnitude() > gp::Resolution() && std::abs(v12.Angle(v2)) > 0.9 * M_PI))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE2);
}
return true;
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckLacking(const int num, const double Tolerance)
{
gp_Pnt2d p1, p2;
return CheckLacking(num, Tolerance, p1, p2);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckOuterBound(const bool APIMake)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady())
{
return false;
}
TopoDS_Wire wire;
if (APIMake)
{
wire = myWire->WireAPIMake();
}
else
{
wire = myWire->Wire();
}
TopoDS_Shape sh = myFace.EmptyCopied(); // szv#4:S4163:12Mar99 SGI warns
TopoDS_Face face = TopoDS::Face(sh);
BRep_Builder B;
B.Add(face, wire);
if (ShapeAnalysis::IsOuterBound(face))
{
return false;
}
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
return true;
}
//=================================================================================================
static double ProjectInside(const Adaptor3d_CurveOnSurface& AD,
const gp_Pnt& pnt,
const double preci,
gp_Pnt& proj,
double& param,
const bool adjustToEnds = true)
{
ShapeAnalysis_Curve sac;
double dist = sac.Project(AD, pnt, preci, proj, param, adjustToEnds);
double uFirst = AD.FirstParameter();
double uLast = AD.LastParameter();
if (param < uFirst)
{
param = uFirst;
proj = AD.Value(uFirst);
return proj.Distance(pnt);
}
if (param > uLast)
{
param = uLast;
proj = AD.Value(uLast);
return proj.Distance(pnt);
}
return dist;
}
bool ShapeAnalysis_Wire::CheckNotchedEdges(const int num,
int& shortNum,
double& param,
const double Tolerance)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsReady())
{
return false;
}
int n2 = (num > 0) ? num : NbEdges();
int n1 = (n2 > 1) ? n2 - 1 : NbEdges();
TopoDS_Edge E1 = myWire->Edge(n1);
TopoDS_Edge E2 = myWire->Edge(n2);
if (BRep_Tool::Degenerated(E1) || BRep_Tool::Degenerated(E2))
{
return false;
}
ShapeAnalysis_Edge sae;
TopoDS_Vertex V1 = sae.LastVertex(E1);
TopoDS_Vertex V2 = sae.FirstVertex(E2);
if (V1.IsNull() || V2.IsNull())
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
return false;
}
if (!BRepTools::Compare(V1, V2))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
double a1, b1, a2, b2;
gp_Pnt2d p2d1, p2d2;
gp_Vec2d v1, v2;
occ::handle<Geom2d_Curve> c2d1, c2d2;
if (!sae.PCurve(E1, myFace, c2d1, a1, b1, false))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
return false;
}
if (E1.Orientation() == TopAbs_REVERSED)
{
c2d1->D1(a1, p2d1, v1);
}
else
{
c2d1->D1(b1, p2d1, v1);
v1.Reverse();
}
if (!sae.PCurve(E2, myFace, c2d2, a2, b2, false))
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_FAIL3);
return false;
}
if (E2.Orientation() == TopAbs_REVERSED)
{
c2d2->D1(b2, p2d2, v2);
v2.Reverse();
}
else
{
c2d2->D1(a2, p2d2, v2);
}
if (v2.Magnitude() < gp::Resolution() || v1.Magnitude() < gp::Resolution())
{
return false;
}
if (std::abs(v2.Angle(v1)) > 0.1 || p2d1.Distance(p2d2) > Tolerance)
{
return false;
}
occ::handle<Geom2dAdaptor_Curve> AC2d1 = new Geom2dAdaptor_Curve(c2d1, a1, b1);
occ::handle<GeomAdaptor_Surface> AdS1 = new GeomAdaptor_Surface(new Geom_Plane(gp_Pln()));
Adaptor3d_CurveOnSurface Ad1(AC2d1, AdS1);
occ::handle<Geom2dAdaptor_Curve> AC2d2 = new Geom2dAdaptor_Curve(c2d2, a2, b2);
occ::handle<GeomAdaptor_Surface> AdS2 = new GeomAdaptor_Surface(new Geom_Plane(gp_Pln()));
Adaptor3d_CurveOnSurface Ad2(AC2d2, AdS2);
Adaptor3d_CurveOnSurface longAD, shortAD;
double lenP, firstP;
ShapeAnalysis_Curve sac;
gp_Pnt Proj1, Proj2;
double param1 = 0., param2 = 0.;
p2d2 = c2d2->Value(E2.Orientation() == TopAbs_FORWARD ? b2 : a2);
p2d1 = c2d1->Value(E1.Orientation() == TopAbs_FORWARD ? a1 : b1);
double dist1 = ProjectInside(Ad1, gp_Pnt(p2d2.X(), p2d2.Y(), 0), Tolerance, Proj1, param1, false);
double dist2 = ProjectInside(Ad2, gp_Pnt(p2d1.X(), p2d1.Y(), 0), Tolerance, Proj2, param2, false);
if (dist1 > Tolerance && dist2 > Tolerance)
{
return false;
}
if (dist1 < dist2)
{
shortAD = Ad2;
longAD = Ad1;
lenP = b2 - a2;
firstP = a2;
shortNum = n2;
param = param1;
}
else
{
shortAD = Ad1;
longAD = Ad2;
lenP = b1 - a1;
firstP = a1;
shortNum = n1;
param = param2;
}
double step = lenP / 23;
for (int i = 1; i < 23; i++, firstP += step)
{
double d1 = sac.Project(longAD, shortAD.Value(firstP), Tolerance, Proj1, param1);
if (d1 > Tolerance)
{
return false;
}
}
return true;
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckSmallArea(const TopoDS_Wire& theWire)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
const int aNbControl = 23;
const int NbEdges = myWire->NbEdges();
if (!IsReady() || NbEdges < 1)
{
return false;
}
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
double aF, aL, aLength(0.0);
const double anInv = 1.0 / static_cast<double>(aNbControl - 1);
gp_XY aCenter2d(0., 0.);
// try to find mid point for closed contour
occ::handle<Geom2d_Curve> aCurve2d;
for (int j = 1; j <= NbEdges; ++j)
{
const ShapeAnalysis_Edge anAnalyzer;
if (!anAnalyzer.PCurve(myWire->Edge(j), myFace, aCurve2d, aF, aL))
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
for (int i = 1; i < aNbControl; ++i)
{
const double aV = anInv * ((aNbControl - 1 - i) * aF + i * aL);
aCenter2d += aCurve2d->Value(aV).XY();
}
}
aCenter2d *= 1.0 / static_cast<double>(NbEdges * (aNbControl - 1));
// check approximated area in 3D
gp_Pnt aPnt3d;
gp_XYZ aPrev3d, aCross(0., 0., 0.);
gp_XYZ aCenter(mySurf->Value(aCenter2d.X(), aCenter2d.Y()).XYZ());
occ::handle<Geom_Curve> aCurve3d;
for (int j = 1; j <= NbEdges; ++j)
{
const ShapeAnalysis_Edge anAnalizer;
if (!anAnalizer.Curve3d(myWire->Edge(j), aCurve3d, aF, aL))
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
if (Precision::IsInfinite(aF) || Precision::IsInfinite(aL))
{
continue;
}
int aBegin = 0;
if (j == 1)
{
aBegin = 1;
aPnt3d = aCurve3d->Value(aF);
aPrev3d = aPnt3d.XYZ() - aCenter;
}
for (int i = aBegin; i < aNbControl; ++i)
{
const double anU = anInv * ((aNbControl - 1 - i) * aF + i * aL);
const gp_Pnt aPnt = aCurve3d->Value(anU);
const gp_XYZ& aCurrent = aPnt.XYZ();
const gp_XYZ aVec = aCurrent - aCenter;
aCross += aPrev3d ^ aVec;
aLength += aPnt3d.Distance(aPnt);
aPnt3d = aPnt;
aPrev3d = aVec;
}
}
double aTolerance = aLength * myPrecision;
if (aCross.Modulus() < aTolerance)
{
// check real area in 3D
GProp_GProps aProps;
GProp_GProps aLProps;
TopoDS_Face aFace = TopoDS::Face(myFace.EmptyCopied());
BRep_Builder().Add(aFace, theWire);
BRepGProp::SurfaceProperties(aFace, aProps);
BRepGProp::LinearProperties(aFace, aLProps);
double aNewTolerance = aLProps.Mass() * myPrecision;
if (std::abs(aProps.Mass()) < 0.5 * aNewTolerance)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
return true;
}
}
return false;
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckShapeConnect(const TopoDS_Shape& shape, const double prec)
{
double tailhead, tailtail, headhead, headtail;
return CheckShapeConnect(tailhead, tailtail, headtail, headhead, shape, prec);
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckShapeConnect(double& tailhead,
double& tailtail,
double& headtail,
double& headhead,
const TopoDS_Shape& shape,
const double prec)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL1);
if (!IsLoaded() || shape.IsNull())
{
return false;
}
TopoDS_Vertex V1, V2;
TopoDS_Edge E;
TopoDS_Wire W;
ShapeAnalysis_Edge SAE;
if (shape.ShapeType() == TopAbs_EDGE)
{
E = TopoDS::Edge(shape);
V1 = SAE.FirstVertex(E);
V2 = SAE.LastVertex(E);
}
else if (shape.ShapeType() == TopAbs_WIRE)
{
W = TopoDS::Wire(shape);
ShapeAnalysis::FindBounds(W, V1, V2);
}
else
{
return false;
}
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
// on va comparer les points avec ceux de thevfirst et thevlast
gp_Pnt p1 = BRep_Tool::Pnt(V1);
gp_Pnt p2 = BRep_Tool::Pnt(V2);
TopoDS_Vertex vfirst = SAE.FirstVertex(myWire->Edge(1)),
vlast = SAE.LastVertex(myWire->Edge(NbEdges()));
gp_Pnt pf = BRep_Tool::Pnt(vfirst);
gp_Pnt pl = BRep_Tool::Pnt(vlast);
tailhead = p1.Distance(pl);
tailtail = p2.Distance(pl);
headhead = p1.Distance(pf);
headtail = p2.Distance(pf);
double dm1 = tailhead, dm2 = headtail;
int res1 = 0, res2 = 0;
if (tailhead > tailtail)
{
res1 = 1;
dm1 = tailtail;
}
if (headtail > headhead)
{
res2 = 1;
dm2 = headhead;
}
int result = res1;
myMin3d = std::min(dm1, dm2);
myMax3d = std::max(dm1, dm2);
if (dm1 > dm2)
{
dm1 = dm2;
result = res2 + 2;
}
switch (result)
{
case 1:
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE2);
break;
case 2:
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE3);
break;
case 3:
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE4);
break;
}
if (!res1)
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE5);
}
if (!res2)
{
myStatus |= ShapeExtend::EncodeStatus(ShapeExtend_DONE6);
}
if (myMin3d > std::max(myPrecision, prec))
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
}
return LastCheckStatus(ShapeExtend_DONE);
}
//=================================================================================================
bool isMultiVertex(const NCollection_List<TopoDS_Shape>& alshape,
const NCollection_Map<TopoDS_Shape, TopTools_ShapeMapHasher>& aMapSmallEdges,
const NCollection_Map<TopoDS_Shape, TopTools_ShapeMapHasher>& aMapSeemEdges)
{
NCollection_List<TopoDS_Shape>::Iterator lIt1(alshape);
int nbNotAccount = 0;
for (; lIt1.More(); lIt1.Next())
{
if (aMapSmallEdges.Contains(lIt1.Value()))
{
nbNotAccount++;
}
else if (aMapSeemEdges.Contains(lIt1.Value()))
{
nbNotAccount++;
}
}
return ((alshape.Extent() - nbNotAccount) > 2);
}
bool ShapeAnalysis_Wire::CheckLoop(
NCollection_IndexedMap<TopoDS_Shape, TopTools_ShapeMapHasher>& aMapLoopVertices,
NCollection_DataMap<TopoDS_Shape, NCollection_List<TopoDS_Shape>, TopTools_ShapeMapHasher>&
aMapVertexEdges,
NCollection_Map<TopoDS_Shape, TopTools_ShapeMapHasher>& aMapSmallEdges,
NCollection_Map<TopoDS_Shape, TopTools_ShapeMapHasher>& aMapSeemEdges)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsLoaded() || NbEdges() < 2)
{
return false;
}
double aSavPreci = Precision();
SetPrecision(Precision::Infinite());
int i = 1;
for (; i <= myWire->NbEdges(); i++)
{
TopoDS_Edge aedge = myWire->Edge(i);
TopoDS_Vertex aV1, aV2;
TopExp::Vertices(aedge, aV1, aV2);
if (aV1.IsNull() || aV2.IsNull())
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_FAIL2);
return false;
}
bool isSame = aV1.IsSame(aV2);
if (myWire->IsSeam(i))
{
aMapSeemEdges.Add(aedge); /// continue;
}
else if (BRep_Tool::Degenerated(aedge))
{
aMapSmallEdges.Add(aedge);
}
else if (isSame && CheckSmall(i, BRep_Tool::Tolerance(aV1)))
{
aMapSmallEdges.Add(aedge);
}
if (!aMapVertexEdges.IsBound(aV1))
{
NCollection_List<TopoDS_Shape> alshape;
aMapVertexEdges.Bind(aV1, alshape);
}
if (!aMapVertexEdges.IsBound(aV2))
{
NCollection_List<TopoDS_Shape> alshape;
aMapVertexEdges.Bind(aV2, alshape);
}
if (isSame)
{
NCollection_List<TopoDS_Shape>& alshape = aMapVertexEdges.ChangeFind(aV1);
alshape.Append(aedge);
alshape.Append(aedge);
if (alshape.Extent() > 2 && isMultiVertex(alshape, aMapSmallEdges, aMapSeemEdges))
{
aMapLoopVertices.Add(aV1);
}
}
else
{
NCollection_List<TopoDS_Shape>& alshape = aMapVertexEdges.ChangeFind(aV1);
alshape.Append(aedge);
if (alshape.Extent() > 2 && isMultiVertex(alshape, aMapSmallEdges, aMapSeemEdges))
{
aMapLoopVertices.Add(aV1);
}
NCollection_List<TopoDS_Shape>& alshape2 = aMapVertexEdges.ChangeFind(aV2);
alshape2.Append(aedge);
if (alshape2.Extent() > 2 && isMultiVertex(alshape2, aMapSmallEdges, aMapSeemEdges))
{
aMapLoopVertices.Add(aV2);
}
}
}
SetPrecision(aSavPreci);
if (aMapLoopVertices.Extent())
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_DONE1);
myStatusLoop |= myStatus;
return true;
}
return false;
}
//=================================================================================================
static double Project(const occ::handle<Geom_Curve>& theCurve,
const double theFirstParameter,
const double theLastParameter,
const gp_Pnt& thePoint,
const double thePrecision,
double& theParameter,
gp_Pnt& theProjection)
{
const double aDist = ShapeAnalysis_Curve().Project(theCurve,
thePoint,
thePrecision,
theProjection,
theParameter,
theFirstParameter,
theLastParameter);
if (theParameter >= theFirstParameter && theParameter <= theLastParameter)
{
return aDist;
}
const double aParams[] = {theFirstParameter, theLastParameter};
const gp_Pnt aPrjs[] = {theCurve->Value(aParams[0]), theCurve->Value(aParams[1])};
const double aDists[] = {thePoint.Distance(aPrjs[0]), thePoint.Distance(aPrjs[1])};
const int aPI = (aDists[0] <= aDists[1]) ? 0 : 1;
theParameter = aParams[aPI];
theProjection = aPrjs[aPI];
return aDists[aPI];
}
//=================================================================================================
bool ShapeAnalysis_Wire::CheckTail(const TopoDS_Edge& theEdge1,
const TopoDS_Edge& theEdge2,
const double theMaxSine,
const double theMaxWidth,
const double theMaxTolerance,
TopoDS_Edge& theEdge11,
TopoDS_Edge& theEdge12,
TopoDS_Edge& theEdge21,
TopoDS_Edge& theEdge22)
{
const TopoDS_Edge aEs[] = {theEdge1, theEdge2};
if (!IsReady() || BRep_Tool::Degenerated(aEs[0]) || BRep_Tool::Degenerated(aEs[1]))
{
return false;
}
// Check the distance between the edge common ends.
const double aTol2 = theMaxWidth + 0.5 * Precision::Confusion();
const double aTol3 = theMaxWidth + Precision::Confusion();
const double aTol4 = theMaxWidth + 1.5 * Precision::Confusion();
const double aSqTol2 = aTol2 * aTol2;
const double aSqTol3 = aTol3 * aTol3;
occ::handle<Geom_Curve> aCs[2];
double aLs[2][2];
int aVIs[2];
gp_Pnt aVPs[2];
{
for (int aEI = 0; aEI < 2; ++aEI)
{
if (!ShapeAnalysis_Edge().Curve3d(aEs[aEI], aCs[aEI], aLs[aEI][0], aLs[aEI][1], false))
{
return false;
}
aVIs[aEI] = (aEs[aEI].Orientation() == TopAbs_REVERSED) ? aEI : 1 - aEI;
aVPs[aEI] = aCs[aEI]->Value(aLs[aEI][aVIs[aEI]]);
}
if (aVPs[0].SquareDistance(aVPs[1]) > aSqTol2)
{
return false;
}
}
// Check the angle between the edges.
if (theMaxSine >= 0)
{
const double aSqMaxSine = theMaxSine * theMaxSine;
gp_XYZ aDs[2];
int aReverse = 0;
for (int aEI = 0; aEI < 2; ++aEI)
{
GeomAdaptor_Curve aCA(aCs[aEI]);
if (GCPnts_AbscissaPoint::Length(aCA, aLs[aEI][0], aLs[aEI][1], 0.25 * Precision::Confusion())
< 0.5 * Precision::Confusion())
{
return false;
}
GCPnts_AbscissaPoint aAP(0.25 * Precision::Confusion(),
aCA,
0.5 * Precision::Confusion() * (1 - 2 * aVIs[aEI]),
aLs[aEI][aVIs[aEI]]);
if (!aAP.IsDone())
{
return false;
}
gp_XYZ aPs[2];
aPs[aVIs[aEI]] = aVPs[aEI].XYZ();
aPs[1 - aVIs[aEI]] = aCs[aEI]->Value(aAP.Parameter()).XYZ();
aDs[aEI] = aPs[1] - aPs[0];
const double aDN = aDs[aEI].Modulus();
if (aDN < 0.1 * Precision::Confusion())
{
return false;
}
aDs[aEI] *= 1 / aDN;
aReverse ^= aVIs[aEI];
}
if (aReverse)
{
aDs[0].Reverse();
}
if (aDs[0] * aDs[1] < 0 || aDs[0].CrossSquareMagnitude(aDs[1]) > aSqMaxSine)
{
return false;
}
}
// Calculate the tail bounds.
gp_Pnt aPs[2], aPrjs[2];
double aParams1[2], aParams2[2];
double aDists[2];
bool isWholes[] = {true, true};
for (int aEI = 0; aEI < 2; ++aEI)
{
double aParam1 = aLs[aEI][aVIs[aEI]];
aParams1[aEI] = aLs[aEI][1 - aVIs[aEI]];
aCs[aEI]->D0(aParams1[aEI], aPs[aEI]);
aDists[aEI] = Project(aCs[1 - aEI],
aLs[1 - aEI][0],
aLs[1 - aEI][1],
aPs[aEI],
0.25 * Precision::Confusion(),
aParams2[aEI],
aPrjs[aEI]);
if (aDists[aEI] <= aTol2)
{
continue;
}
isWholes[aEI] = false;
for (;;)
{
const double aParam = (aParam1 + aParams1[aEI]) * 0.5;
aCs[aEI]->D0(aParam, aPs[aEI]);
const double aDist = Project(aCs[1 - aEI],
aLs[1 - aEI][0],
aLs[1 - aEI][1],
aPs[aEI],
0.25 * Precision::Confusion(),
aParams2[aEI],
aPrjs[aEI]);
if (aDist <= aTol2)
{
aParam1 = aParam;
}
else
{
aParams1[aEI] = aParam;
if (aDist <= aTol3)
{
break;
}
}
}
}
// Check the tail bounds.
for (int aEI = 0; aEI < 2; ++aEI)
{
const double aParam1 = aLs[aEI][aVIs[aEI]];
const double aParam2 = aParams1[aEI];
const double aStepL = (aParam2 - aParam1) / 23;
for (int aStepN = 1; aStepN < 23; ++aStepN)
{
double aParam = aParam1 + aStepN * aStepL;
gp_Pnt aP = aCs[aEI]->Value(aParam), aPrj;
if (Project(aCs[1 - aEI],
aLs[1 - aEI][0],
aLs[1 - aEI][1],
aP,
0.25 * Precision::Confusion(),
aParam,
aPrj)
> aTol4)
{
return false;
}
}
}
// Check whether both edges must be removed.
if (isWholes[0] && isWholes[1] && aPs[0].SquareDistance(aPs[1]) <= aSqTol3)
{
theEdge11 = theEdge1;
theEdge21 = theEdge2;
return true;
}
// Cut and remove the edges.
int aFI = 0;
if (isWholes[0] || isWholes[1])
{
// Determine an edge to remove and the other one to cut.
aFI = isWholes[0] ? 0 : 1;
if (aDists[1 - aFI] < aDists[aFI] && isWholes[1 - aFI])
{
aFI = 1 - aFI;
}
}
double aParams[2];
aParams[aFI] = aParams1[aFI];
aParams[1 - aFI] = aParams2[aFI];
// Correct the cut for the parametrization tolerance.
TopoDS_Edge* aEParts[][2] = {{&theEdge11, &theEdge12}, {&theEdge21, &theEdge22}};
int aResults[] = {1, 1};
for (int aEI = 0; aEI < 2; ++aEI)
{
if (std::abs(aParams[aEI] - aLs[aEI][1 - aVIs[aEI]]) <= Precision::PConfusion())
{
aResults[aEI] = 2;
*aEParts[aEI][0] = aEs[aEI];
}
else if (std::abs(aParams[aEI] - aLs[aEI][aVIs[aEI]]) <= Precision::PConfusion())
{
aResults[aEI] = 0;
}
}
// Correct the cut for the distance tolerance.
for (int aEI = 0; aEI < 2; ++aEI)
{
if (aResults[aEI] != 1)
{
continue;
}
// Create the parts of the edge.
TopoDS_Edge aFE = TopoDS::Edge(aEs[aEI].Oriented(TopAbs_FORWARD));
ShapeAnalysis_TransferParametersProj aSATPP(aFE, TopoDS_Face());
aSATPP.SetMaxTolerance(theMaxTolerance);
TopoDS_Vertex aSplitV;
BRep_Builder().MakeVertex(aSplitV, aCs[aEI]->Value(aParams[aEI]), Precision::Confusion());
TopoDS_Edge aEParts2[] = {
ShapeBuild_Edge().CopyReplaceVertices(aFE,
TopoDS_Vertex(),
TopoDS::Vertex(aSplitV.Oriented(TopAbs_REVERSED))),
ShapeBuild_Edge().CopyReplaceVertices(aFE, aSplitV, TopoDS_Vertex())};
ShapeBuild_Edge().CopyPCurves(aEParts2[0], aFE);
ShapeBuild_Edge().CopyPCurves(aEParts2[1], aFE);
BRep_Builder().SameRange(aEParts2[0], false);
BRep_Builder().SameRange(aEParts2[1], false);
BRep_Builder().SameParameter(aEParts2[0], false);
BRep_Builder().SameParameter(aEParts2[1], false);
aSATPP.TransferRange(aEParts2[0], aLs[aEI][0], aParams[aEI], false);
aSATPP.TransferRange(aEParts2[1], aParams[aEI], aLs[aEI][1], false);
GProp_GProps aLinProps;
BRepGProp::LinearProperties(aEParts2[1 - aVIs[aEI]], aLinProps);
if (aLinProps.Mass() <= Precision::Confusion())
{
aResults[aEI] = 2;
*aEParts[aEI][0] = aEs[aEI];
}
else
{
BRepGProp::LinearProperties(aEParts2[aVIs[aEI]], aLinProps);
if (aLinProps.Mass() <= Precision::Confusion())
{
aResults[aEI] = 0;
}
else
{
*aEParts[aEI][0] = aEParts2[0];
*aEParts[aEI][1] = aEParts2[1];
}
}
}
return aResults[0] + aResults[1] != 0;
}
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