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occt/src/ShapeAnalysis/ShapeAnalysis_Wire.cxx

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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_Array1OfBox2d.hxx>
#include <Bnd_Box2d.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 <Geom2dAdaptor_HCurve.hxx>
#include <Geom2dInt_GInter.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Plane.hxx>
#include <Geom_Surface.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <GeomAdaptor_HSurface.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 <TColgp_Array1OfPnt.hxx>
#include <TColgp_SequenceOfPnt.hxx>
#include <TColStd_Array1OfReal.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_Vertex.hxx>
#include <TopoDS_Wire.hxx>
#include <TopTools_DataMapOfShapeListOfShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopTools_ListOfShape.hxx>
IMPLEMENT_STANDARD_RTTIEXT(ShapeAnalysis_Wire,Standard_Transient)
//szvsh addition
//=======================================================================
//function : ShapeAnalysis_Wire
//purpose :
//=======================================================================
ShapeAnalysis_Wire::ShapeAnalysis_Wire()
{
ClearStatuses();
myPrecision = ::Precision::Confusion();
}
//=======================================================================
//function : ShapeAnalysis_Wire
//purpose :
//=======================================================================
ShapeAnalysis_Wire::ShapeAnalysis_Wire (const TopoDS_Wire& wire,
const TopoDS_Face& face,
const Standard_Real precision)
{
Init (wire, face, precision);
}
//=======================================================================
//function : ShapeAnalysis_Wire
//purpose :
//=======================================================================
ShapeAnalysis_Wire::ShapeAnalysis_Wire (const Handle(ShapeExtend_WireData)& sbwd,
const TopoDS_Face& face,
const Standard_Real precision)
{
Init (sbwd, face, precision);
}
//=======================================================================
//function : Init
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::Init (const TopoDS_Wire& wire,
const TopoDS_Face& face, const Standard_Real precision)
{
Init (new ShapeExtend_WireData (wire), face, precision);
}
//=======================================================================
//function : Init
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::Init (const Handle(ShapeExtend_WireData)& sbwd,
const TopoDS_Face& face, const Standard_Real precision)
{
Load (sbwd);
SetFace (face);
SetPrecision (precision);
}
//=======================================================================
//function : Load
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::Load (const TopoDS_Wire& wire)
{
ClearStatuses();
myWire = new ShapeExtend_WireData (wire);
}
//=======================================================================
//function : Load
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::Load (const Handle(ShapeExtend_WireData)& sbwd)
{
ClearStatuses();
myWire = sbwd;
}
//=======================================================================
//function : SetFace
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::SetFace(const TopoDS_Face& face)
{
myFace = face;
if(!face.IsNull())
mySurf = new ShapeAnalysis_Surface ( BRep_Tool::Surface ( myFace ) );
}
//=======================================================================
//function : SetSurface
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface)
{
SetSurface ( surface, TopLoc_Location() );
}
//=======================================================================
//function : SetSurface
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface,
const TopLoc_Location& location)
{
BRep_Builder B;
TopoDS_Face face;
B.MakeFace ( face, surface, location, ::Precision::Confusion() );
SetFace ( face );
}
//=======================================================================
//function : SetPrecision
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::SetPrecision(const Standard_Real precision)
{
myPrecision = precision;
}
//=======================================================================
//function : ClearStatuses
//purpose :
//=======================================================================
void ShapeAnalysis_Wire::ClearStatuses()
{
myStatusOrder = myStatusConnected =
myStatusEdgeCurves = myStatusDegenerated =
myStatusClosed = myStatusLacking =
myStatusSelfIntersection = myStatusSmall =
myStatusGaps3d = myStatusGaps2d =
myStatusCurveGaps = myStatusLoop = myStatus = 0;
myMin3d = myMin2d = myMax3d = myMax2d = 0.;
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::Perform()
{
Standard_Boolean result = Standard_False;
result |= CheckOrder();
result |= CheckSmall();
result |= CheckConnected();
result |= CheckEdgeCurves();
result |= CheckDegenerated();
result |= CheckSelfIntersection();
result |= CheckLacking();
result |= CheckClosed();
return result;
}
//=======================================================================
//function : CheckOrder
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckOrder (const Standard_Boolean isClosed,
const Standard_Boolean mode3d)
{
ShapeAnalysis_WireOrder sawo;
CheckOrder (sawo, isClosed, mode3d);
myStatusOrder = myStatus;
return StatusOrder (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckSmall
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckSmall(const Standard_Real precsmall)
{
for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
CheckSmall (i, precsmall);
myStatusSmall |= myStatus;
}
return StatusSmall (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckConnected
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckConnected(const Standard_Real prec)
{
for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
CheckConnected ( i, prec );
myStatusConnected |= myStatus;
}
return StatusConnected (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckEdgeCurves
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckEdgeCurves()
{
myStatusEdgeCurves = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
if ( ! IsReady() ) return Standard_False;
Standard_Integer 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);
Standard_Real 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);
}
//=======================================================================
//function : CheckDegenerated
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated()
{
for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
CheckDegenerated (i);
myStatusDegenerated |= myStatus;
}
return StatusDegenerated (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckSelfIntersection
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersection()
{
myStatusSelfIntersection = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
if (!IsReady()) return Standard_False;
Standard_Integer 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);
}
Bnd_Array1OfBox2d boxes(1,nb);
TopLoc_Location L;
const Handle(Geom_Surface)& S = BRep_Tool::Surface(Face(), L);
Handle(Geom2d_Curve) c2d;
Standard_Real cf,cl;
ShapeAnalysis_Edge sae;
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,Standard_False)) {
Bnd_Box2d box;
Geom2dAdaptor_Curve gac(c2d,cf,cl);
BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box);
boxes(i) = box;
}
}
Standard_Boolean isFail = Standard_False, isDone = Standard_False;
for(Standard_Integer num1 = 1; num1 < nb-1; num1++) {
Standard_Integer fin = nb;
if (CheckClosed(Precision::Confusion()) && 1 == num1)
fin = nb-1;
for(Standard_Integer 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);
}
//=======================================================================
//function : CheckLacking
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckLacking()
{
if (!IsReady() || NbEdges() < 2) return Standard_False;
for (Standard_Integer i = 1; i <= myWire->NbEdges(); i++) {
CheckLacking (i);
myStatusLacking |= myStatus;
}
return StatusLacking (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckClosed
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckClosed(const Standard_Real prec)
{
myStatusClosed = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
if (!IsReady() || NbEdges() < 1) return Standard_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 );
}
//=======================================================================
//function : CheckGaps3d
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckGaps3d ()
{
myStatusGaps3d = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
if (!IsLoaded() || NbEdges() < 1) return Standard_False; //gka IsLoaded
Standard_Real dist, maxdist = 0.;
for (Standard_Integer 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 );
}
//=======================================================================
//function : CheckGaps2d
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckGaps2d ()
{
myStatusGaps2d = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
if (!IsReady() || NbEdges() < 1) return Standard_False;
Standard_Real dist, maxdist = 0.;
for (Standard_Integer 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 );
}
//=======================================================================
//function : CheckCurveGaps
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckCurveGaps ()
{
myStatusCurveGaps = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
if (!IsReady() || NbEdges() < 1) return Standard_False;
Standard_Real dist, maxdist = 0.;
for (Standard_Integer 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 );
}
//=======================================================================
//function : CheckOrder
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckOrder(ShapeAnalysis_WireOrder& sawo,
const Standard_Boolean isClosed,
const Standard_Boolean mode3d)
{
if ( ! mode3d && myFace.IsNull() ) {
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
sawo.SetMode ( mode3d, ( mode3d ? myPrecision : ::Precision::PConfusion() ) );
Standard_Integer i, nb = myWire->NbEdges();
ShapeAnalysis_Edge EA;
for (i = 1; i <= nb; i ++) {
TopoDS_Edge E = myWire->Edge(i);
if ( mode3d ) {
TopoDS_Vertex V1 = EA.FirstVertex (E);
TopoDS_Vertex V2 = EA.LastVertex (E);
if (V1.IsNull() || V2.IsNull())
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
gp_Pnt p1 = BRep_Tool::Pnt (V1);
gp_Pnt p2 = BRep_Tool::Pnt (V2);
sawo.Add (p1.XYZ(),p2.XYZ());
}
else {
Standard_Real f,l;
Handle(Geom2d_Curve) c2d;
TopoDS_Shape tmpF = myFace.Oriented(TopAbs_FORWARD);
if ( ! EA.PCurve(E,TopoDS::Face(tmpF),c2d,f,l) ) {
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY());
}
}
sawo.Perform(isClosed);
Standard_Integer stat = sawo.Status();
switch (stat) {
case 0: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK); break;
case 1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1); break;
case 2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2); break;
case -1: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE3); break;
case -2: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE4); break;
case 3: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE5); break;//only shifted
case -10: myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1); break;
}
return LastCheckStatus (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckConnected
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckConnected (const Standard_Integer num,
const Standard_Real prec)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsLoaded() || NbEdges() < 1 ) return Standard_False;
Standard_Integer n2 = ( num >0 ? num : NbEdges() );
Standard_Integer 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 Standard_False;
}
if (V1.IsSame(V2)) return Standard_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);
Standard_Real dist = p1.Distance(p2);
if ( dist > myPrecision ) myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
else {
myMin3d = dist;
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
}
}
return Standard_False;
}
return Standard_True;
}
//=======================================================================
//function : CheckSmall
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckSmall (const Standard_Integer num,
const Standard_Real precsmall)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsLoaded() || NbEdges() <= 1 ) return Standard_False;
//Standard_Integer n = ( num ? num : NbEdges() ); //szv#4:S4163:12Mar99 not needed
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 Standard_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 Standard_False;
}
gp_Pnt p1 = BRep_Tool::Pnt (V1);
gp_Pnt p2 = BRep_Tool::Pnt (V2);
Standard_Real dist = p1.Distance(p2);
Standard_Real prec = precsmall;//Min ( myPrecision, precsmall );
//Standard_Real prec = Min(BRep_Tool::Tolerance(V1),BRep_Tool::Tolerance(V2)); //skl
if (dist > prec) return Standard_False; // pas nulle
// La courbe 3D a present : est-elle FERMEE ou DE LONGUEUR NULLE ... ???
// Pour cela on prend le point milieu (y a-t-il mieux)
// Si pas de C3D, on essaie la C2D ...
gp_Pnt Pm;
Standard_Real cf,cl;
Handle(Geom_Curve) c3d;
if ( sae.Curve3d (E,c3d,cf,cl,Standard_False) ) Pm = c3d->Value ( (cf+cl)/2. );
else {
Handle(Geom2d_Curve) c2d;
if ( ! myFace.IsNull() && sae.PCurve (E,myFace,c2d,cf,cl,Standard_False)) {
gp_Pnt2d p2m = c2d->Value ( (cf+cl)/2. );
Pm = mySurf->Value (p2m);
}
else {
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
Pm = p1;
//:n2 return Standard_False;
}
}
if ( Pm.Distance(p1) > prec || Pm.Distance(p2) > prec ) return Standard_False;
myStatus |= ShapeExtend::EncodeStatus ( V1.IsSame(V2) ? ShapeExtend_DONE1 : ShapeExtend_DONE2 );
return Standard_True;
}
//=======================================================================
//function : CheckSeam
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckSeam(const Standard_Integer num,
Handle(Geom2d_Curve)& C1,
Handle(Geom2d_Curve)& C2,
Standard_Real& cf,
Standard_Real& cl)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if (!IsReady()) return Standard_False;
Standard_Integer n = num; if (n == 0) n = NbEdges();
TopoDS_Edge E = myWire->Edge (n);
if ( ! ShapeAnalysis_Edge().IsSeam ( E, myFace ) ) return Standard_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 Standard_False;
// SelectForward est destine a devenir un outil distinct
Standard_Integer theCurveIndice = ShapeAnalysis_Curve().SelectForwardSeam (C1,C2);
if ( theCurveIndice != 2 ) return Standard_False;
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
return Standard_True;
}
//=======================================================================
//function : CheckSeam
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckSeam(const Standard_Integer num)
{
Handle(Geom2d_Curve) C1, C2;
Standard_Real cf, cl;
return CheckSeam (num, C1, C2, cf, cl);
}
//=======================================================================
//function : CheckDegenerated
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated (const Standard_Integer num,
gp_Pnt2d& p2d1, gp_Pnt2d& p2d2)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsReady() || NbEdges() < 1 ) return Standard_False;
Standard_Integer n2 = (num > 0)? num : NbEdges();
Standard_Integer n1 = (n2 > 1)? n2-1 : NbEdges();
Standard_Integer 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()) ) {
Handle(Geom2d_Curve) c2d;
Standard_Real fp,lp;
sae.PCurve ( E2, myFace, c2d, fp, lp, Standard_True );
gp_Pnt2d p21 = c2d->Value(fp);
gp_Pnt2d p22 = c2d->Value(lp);
sae.PCurve ( E1, myFace, c2d, fp, lp, Standard_True );
gp_Pnt2d p12 = c2d->Value(lp);
sae.PCurve ( E3, myFace, c2d, fp, lp, Standard_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 Standard_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 consequtive degenerated edges w/o pcurves
if ( BRep_Tool::Degenerated ( E2 ) )
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
//:i8 if ( BRep_Tool::Degenerated ( E1 ) ||
//:i8 BRep_Tool::Degenerated ( E2 ) ) return Standard_False; // deja OK
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 Standard_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);
Standard_Real par1, par2;
Standard_Boolean lack = Standard_False;
Standard_Boolean dgnr = Standard_False;
//pdn 12.03.99 minimal value processing first
Standard_Real precFirst = Min(myPrecision,BRep_Tool::Tolerance(V1));
Standard_Real precFin = Max(myPrecision,BRep_Tool::Tolerance(V1));
Standard_Real precVtx = (myPrecision<BRep_Tool::Tolerance(V1) ? 2*precFin : precFin);
// forward : si Edge <num> FWD/REV. Si LACK, toujours True
Standard_Boolean 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
Standard_Real a, b;
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 = Standard_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 Standard_False;
//rln S4135 ShapeAnalysis_Surface new algorithms for singularities
//:45 by abv 16 Dec 97: BUC60035 2659: precision increased to vertex tolerance
//Standard_Real 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);
Standard_Real tmpPreci;
gp_Pnt tmpP3d;
Standard_Boolean tmpUIsoDeg;
//#77 rln S4135: using singularity which has minimum gap between singular point and input 3D point
Standard_Integer indMin = -1;
Standard_Real gapMin2 = RealLast();
for (Standard_Integer i = 1; i <= mySurf->NbSingularities (precVtx); i++) {
mySurf->Singularity (i, tmpPreci, tmpP3d, p2d1, p2d2, par1, par2, tmpUIsoDeg);
Standard_Real 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 = Standard_True;
}
}
//rln S4135 if ( prec > myPrecision ) mySurf->ComputeSingularities ( myPrecision ); //:51
}
// voila, on a soit dgnr soit 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 Standard_False;
}
// OK, degenerated case detected; we will find its start and end in 2d
if ( lack ) forward = Standard_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
Standard_Real a, b;
Handle(Geom2d_Curve) c2d;
if ( sae.PCurve ( E1, myFace, c2d, a, b, Standard_True ) ) {
p2d1 = c2d->Value ( b );
//#84 rln gp_Pnt2d p2d = c2d->Value ( b );
//#84 rln par1 = ( p2d.XY() - aP2d.XY() ) * theDir2d.XY();
}
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, Standard_True ) ) {
p2d2 = c2d->Value ( a );
//#84 rln gp_Pnt2d p2d = c2d->Value ( a );
//#84 rln par2 = ( p2d.XY() - aP2d.XY() ) * theDir2d.XY();
}
else myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
}
/*
if ( par2 < par1 ) {
par1 = -par1;
par2 = -par2;
theDir2d.Reverse();
}
*/
//#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 consequtive degenerated edges w/o pcurves
if ( BRep_Tool::Degenerated ( E2 ) )
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_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()->ChangeSurface();
Standard_Real max = Max ( Ads.UResolution(myPrecision),
Ads.VResolution(myPrecision) );
if ( p2d1.Distance (p2d2) /*Abs (par1 - par2)*/ <= max + gp::Resolution() ) return Standard_False;
//#84 rln p2d1 = aP2d.XY() + par1 * theDir2d.XY();
//#84 rln p2d2 = aP2d.XY() + par2 * theDir2d.XY();
myStatus = ShapeExtend::EncodeStatus ( dgnr ? ShapeExtend_DONE2 : ShapeExtend_DONE1 );
return Standard_True;
}
//=======================================================================
//function : CheckDegenerated
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckDegenerated (const Standard_Integer num)
{
gp_Pnt2d p2d1, p2d2;
return CheckDegenerated ( num, p2d1, p2d2 );
}
//=======================================================================
//function : CheckGap3d
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckGap3d(const Standard_Integer num)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
//szv#4:S4163:12Mar99 optimized
if ( !IsLoaded() || NbEdges() < 1 ) return Standard_False; //szvsh was nbedges < 2
Standard_Integer n2 = ( num >0 ? num : NbEdges() );
Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
TopoDS_Edge E1 = myWire->Edge(n1);
TopoDS_Edge E2 = myWire->Edge(n2);
Standard_Real uf1,ul1,uf2,ul2;
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 Standard_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);
}
//=======================================================================
//function : CheckGap2d
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckGap2d(const Standard_Integer num)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
//szv#4:S4163:12Mar99 optimized
if ( !IsReady() || NbEdges() < 1 ) return Standard_False; //szvsh was nbedges < 2
Standard_Integer n2 = ( num >0 ? num : NbEdges() );
Standard_Integer n1 = ( n2 >1 ? n2-1 : NbEdges() );
TopoDS_Edge E1 = myWire->Edge(n1);
TopoDS_Edge E2 = myWire->Edge(n2);
Standard_Real uf1,ul1,uf2,ul2;
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 Standard_False;
}
gp_Pnt2d p1 = C1->Value (ul1);
gp_Pnt2d p2 = C2->Value (uf2);
myMin2d = myMax2d = p1.Distance (p2);
GeomAdaptor_Surface& SA = mySurf->Adaptor3d()->ChangeSurface();
if (myMin2d > (Max (SA.UResolution (myPrecision), SA.VResolution (myPrecision)) + Precision::PConfusion()))
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
return LastCheckStatus (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckCurveGap
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckCurveGap(const Standard_Integer num)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( !IsLoaded() || NbEdges() < 1 ) return Standard_False;
Standard_Integer n = ( num >0 ? num : NbEdges() );
TopoDS_Edge E = myWire->Edge(n);
Standard_Real cuf,cul,pcuf,pcul;
Handle(Geom_Curve) c;
ShapeAnalysis_Edge SAE;
if (!SAE.Curve3d (E,c,cuf,cul,Standard_False)) {
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
return Standard_False;
}
Handle(Geom2d_Curve) pc;
if (!SAE.PCurve (E,myFace,pc,pcuf,pcul,Standard_False)) {
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
return Standard_False;
}
Handle(Geom2dAdaptor_HCurve) AC = new Geom2dAdaptor_HCurve(pc,pcuf,pcul);
Handle(GeomAdaptor_HSurface) AS = new GeomAdaptor_HSurface(mySurf->Surface());
Adaptor3d_CurveOnSurface ACS(AC,AS);
gp_Pnt cpnt, pcpnt;
Standard_Integer nbp = 45;
Standard_Real dist, maxdist=0.;
for (Standard_Integer 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 = Sqrt(maxdist);
if (myMin3d > myPrecision)
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
return LastCheckStatus (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckSelfIntersectingEdge
//purpose :
//=======================================================================
// 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 Handle(ShapeAnalysis_Surface) &surf,
const Geom2dAdaptor_Curve &Crv2d,
const Standard_Real param )
{
if ( BRep_Tool::SameParameter ( edge ) ) {
Standard_Real f,l;
TopLoc_Location L;
const 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());
}
//=======================================================================
//function : CheckSelfIntersectingEdge
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersectingEdge (const Standard_Integer num,
IntRes2d_SequenceOfIntersectionPoint& points2d,
TColgp_SequenceOfPnt& points3d)
{
points2d.Clear();
points3d.Clear();
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsReady() ) return Standard_False;
TopoDS_Edge edge = WireData()->Edge ( num >0 ? num : NbEdges() );
ShapeAnalysis_Edge sae;
Standard_Real a, b;
Handle(Geom2d_Curve) Crv;
if ( ! sae.PCurve ( edge, myFace, Crv, a, b, Standard_False ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
return Standard_False;
}
if ( Abs ( a - b ) <= ::Precision::PConfusion() ) return Standard_False;
Standard_Real 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 Standard_False;
TopoDS_Vertex V1 = sae.FirstVertex ( edge );
TopoDS_Vertex V2 = sae.LastVertex ( edge );
if ( V1.IsNull() || V2.IsNull() ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
Standard_Real tol1 = BRep_Tool::Tolerance ( V1 );
Standard_Real tol2 = BRep_Tool::Tolerance ( V2 );
gp_Pnt pnt1 = BRep_Tool::Pnt ( V1 );
gp_Pnt pnt2 = BRep_Tool::Pnt ( V2 );
for ( Standard_Integer 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() );
Standard_Real dist21 = pnt1.SquareDistance ( pint );
Standard_Real 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 );
}
//=======================================================================
//function : CheckSelfIntersectingEdge
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckSelfIntersectingEdge (const Standard_Integer num)
{
IntRes2d_SequenceOfIntersectionPoint points2d;
TColgp_SequenceOfPnt 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
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num,
IntRes2d_SequenceOfIntersectionPoint& points2d,
TColgp_SequenceOfPnt& points3d,
TColStd_SequenceOfReal& errors)
{
points2d.Clear();
points3d.Clear();
errors.Clear();
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsReady() || NbEdges() <2 ) return Standard_False;
//szv#4:S4163:12Mar99 optimized
Standard_Integer n2 = (num > 0)? num : NbEdges();
Standard_Integer 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 Standard_False;
}
if ( ! BRepTools::Compare ( V1, V2 ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
TopoDS_Vertex Vp = sae.FirstVertex ( edge1 );
TopoDS_Vertex Vn = sae.LastVertex ( edge2 );
Standard_Real a1, b1, a2, b2;
Handle(Geom2d_Curve) Crv1, Crv2;
if ( ! sae.PCurve ( edge1, myFace, Crv1, a1, b1, Standard_False ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
return Standard_False;
}
if ( ! sae.PCurve ( edge2, myFace, Crv2, a2, b2, Standard_False ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
return Standard_False;
}
if ( Abs ( a1 - b1 ) <= ::Precision::PConfusion() ||
Abs ( a2 - b2 ) <= ::Precision::PConfusion() ) return Standard_False; //:f7 abv 6 May 98: BUC50070 on #42276
Standard_Boolean isForward1 = ( edge1.Orientation() == TopAbs_FORWARD );
Standard_Boolean isForward2 = ( edge2.Orientation() == TopAbs_FORWARD );
Standard_Real tol0 = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) );
Standard_Real tol = tol0;
gp_Pnt pnt = BRep_Tool::Pnt ( V1 );
// Standard_Boolean Status = Standard_False;
Standard_Real 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 shoud 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 Standard_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)
Standard_Real tole = Max ( ( BRep_Tool::SameParameter ( edge1 ) ?
BRep_Tool::Tolerance ( edge1 ) : tol0 ),
( BRep_Tool::SameParameter ( edge2 ) ?
BRep_Tool::Tolerance ( edge2 ) : tol0 ) );
Standard_Real tolt = Min ( tol, Max ( tole, myPrecision ) );
//Standard_Real prevRange1 = RealLast(), prevRange2 = RealLast(); //SK
Standard_Integer 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
Standard_Integer NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
for ( Standard_Integer 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;
Standard_Real 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
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 ) );
gp_Pnt pint = 0.5 * ( pi1.XYZ() + pi2.XYZ() );
Standard_Real di1 = pi1.SquareDistance ( pnt );
Standard_Real di2 = pi2.SquareDistance ( pnt );
Standard_Real dist2 = 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 Standard_Real distab2 = mySurf->Value ( end1 ).SquareDistance ( mySurf->Value ( end2 ) );
//:l0: test like in BRepCheck
GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
Standard_Real tol2d = 2 * 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 );
}
//=======================================================================
//function : CheckIntersectingEdges
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num)
{
IntRes2d_SequenceOfIntersectionPoint points2d;
TColgp_SequenceOfPnt points3d;
TColStd_SequenceOfReal errors;
return CheckIntersectingEdges ( num, points2d, points3d, errors );
}
//=======================================================================
//function : CheckIntersectingEdges
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges(const Standard_Integer num1,
const Standard_Integer num2,
IntRes2d_SequenceOfIntersectionPoint& points2d,
TColgp_SequenceOfPnt& points3d,
TColStd_SequenceOfReal& errors)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsReady() ) return Standard_False;
Handle(ShapeExtend_WireData) sbwd = WireData();
Standard_Integer n2 = ( num2 >0 ? num2 : sbwd->NbEdges() );
Standard_Integer n1 = ( num1 >0 ? num1 : sbwd->NbEdges() );
TopoDS_Edge edge1 = sbwd->Edge ( n1 );
TopoDS_Edge edge2 = sbwd->Edge ( n2 );
ShapeAnalysis_Edge sae;
Standard_Real a1, b1, a2, b2;
Handle(Geom2d_Curve) Crv1, Crv2;
if(!sae.PCurve ( edge1, myFace, Crv1, a1, b1, Standard_False )){
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
return Standard_False;
}
if(!sae.PCurve ( edge2, myFace, Crv2, a2, b2, Standard_False )){
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
return Standard_False;
}
if ( Abs ( a1 - b1 ) <= ::Precision::PConfusion() ||
Abs ( a2 - b2 ) <= ::Precision::PConfusion() ) return Standard_False;
points2d.Clear();
points3d.Clear();
errors.Clear();
TColgp_Array1OfPnt vertexPoints(1,4);
TColStd_Array1OfReal 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));
Standard_Real 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 Standard_False;
//#83 rln 19.03.99 sim2.igs, entity 4292
//processing also segments as in BRepCheck
Standard_Integer NbPoints = Inter.NbPoints(), NbSegments = Inter.NbSegments();
for ( Standard_Integer 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;
Standard_Real param1 = IP.ParamOnFirst();
Standard_Real param2 = IP.ParamOnSecond();
gp_Pnt pi1 = GetPointOnEdge ( edge1, mySurf, C1, param1 ); //:h0: thesurf.Value ( Crv1->Value ( param1 ) );
gp_Pnt pi2 = GetPointOnEdge ( edge2, mySurf, C2, param2 );
Standard_Boolean OK1 = Standard_False;
Standard_Boolean OK2 = Standard_False;
for(Standard_Integer j=1; (j<=2)&&!OK1; j++) {
Standard_Real di1 = pi1.SquareDistance (vertexPoints(j));
if(di1 < vertexTolers(j) * vertexTolers(j))
OK1 = Standard_True;
}
for(Standard_Integer j=3; (j<=4)&&!OK2; j++) {
Standard_Real di2 = pi2.SquareDistance (vertexPoints(j));
if(di2 < vertexTolers(j) * vertexTolers(j))
OK2 = Standard_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 );
}
//=======================================================================
//function : CheckIntersectingEdges
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckIntersectingEdges (const Standard_Integer num1,
const Standard_Integer num2)
{
IntRes2d_SequenceOfIntersectionPoint points2d;
TColgp_SequenceOfPnt points3d;
TColStd_SequenceOfReal 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
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckLacking (const Standard_Integer num,
const Standard_Real Tolerance,
gp_Pnt2d &p2d1, gp_Pnt2d &p2d2)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsReady() ) return Standard_False;
//szv#4:S4163:12Mar99 optimized
Standard_Integer n2 = (num > 0)? num : NbEdges();
Standard_Integer 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 Standard_False;
}
if ( ! BRepTools::Compare ( V1, V2 ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
Standard_Real a, b;
gp_Vec2d v1, v2, v12;
Handle(Geom2d_Curve) c2d;
if ( ! sae.PCurve ( E1, myFace, c2d, a, b, Standard_True ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
return Standard_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, Standard_True ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
return Standard_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
Standard_Real tol = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) );
tol = ( Tolerance > gp::Resolution() && Tolerance < tol ? Tolerance : tol );
GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface();
Standard_Real tol2d = 2 * Max ( Ads.UResolution(tol), Ads.VResolution(tol) );
if ( // tol2d < gp::Resolution() || //#2 smh 26.03.99 S4163 Zero divide
myMax2d < tol2d * tol2d ) return Standard_False;
myMax2d = Sqrt ( myMax2d );
myMax3d = tol * myMax2d / Max ( tol2d, gp::Resolution() );
myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
if ( myMax2d < Precision::PConfusion() || //:abv 03.06.02 CTS21866.stp
( v1.SquareMagnitude() > gp::Resolution() && Abs ( v12.Angle ( v1 ) ) > 0.9 * M_PI ) ||
( v2.SquareMagnitude() > gp::Resolution() && Abs ( v12.Angle ( v2 ) ) > 0.9 * M_PI ) )
myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
return Standard_True;
}
//=======================================================================
//function : CheckLacking
//purpose :
//
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckLacking (const Standard_Integer num,
const Standard_Real Tolerance)
{
gp_Pnt2d p1, p2;
return CheckLacking (num, Tolerance, p1, p2);
}
//=======================================================================
//function : CheckOuterBound
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckOuterBound(const Standard_Boolean APIMake)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsReady() ) return Standard_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 Standard_False;
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
return Standard_True;
}
//=======================================================================
//function : CheckNotchedEdges
//purpose :
//=======================================================================
static Standard_Real ProjectInside(const Adaptor3d_CurveOnSurface AD,
const gp_Pnt pnt,
const Standard_Real preci,
gp_Pnt& proj,
Standard_Real& param,
const Standard_Boolean adjustToEnds = Standard_True)
{
ShapeAnalysis_Curve sac;
Standard_Real dist = sac.Project(AD,pnt,preci,proj,param,adjustToEnds);
Standard_Real uFirst = AD.FirstParameter();
Standard_Real 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;
}
Standard_Boolean ShapeAnalysis_Wire::CheckNotchedEdges(const Standard_Integer num,
Standard_Integer& shortNum,
Standard_Real& param,
const Standard_Real Tolerance)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
if ( ! IsReady() ) return Standard_False;
Standard_Integer n2 = (num > 0)? num : NbEdges();
Standard_Integer 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 Standard_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 Standard_False;
}
if ( ! BRepTools::Compare ( V1, V2 ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
Standard_Real a1, b1, a2, b2;
gp_Pnt2d p2d1, p2d2;
gp_Vec2d v1, v2;
Handle(Geom2d_Curve) c2d1, c2d2;
if ( ! sae.PCurve ( E1, myFace, c2d1, a1, b1, Standard_False ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
return Standard_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, Standard_False ) ) {
myStatus |= ShapeExtend::EncodeStatus (ShapeExtend_FAIL3);
return Standard_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 Standard_False;
if ( Abs ( v2.Angle ( v1 ) ) > 0.1 || p2d1.Distance(p2d2) > Tolerance)
return Standard_False;
Handle(Geom2dAdaptor_HCurve) AC2d1 = new Geom2dAdaptor_HCurve(c2d1,a1,b1);
Handle(GeomAdaptor_HSurface) AdS1 = new GeomAdaptor_HSurface(new Geom_Plane(gp_Pln()));
Adaptor3d_CurveOnSurface Ad1(AC2d1,AdS1);
Handle(Geom2dAdaptor_HCurve) AC2d2 = new Geom2dAdaptor_HCurve(c2d2,a2,b2);
Handle(GeomAdaptor_HSurface) AdS2 = new GeomAdaptor_HSurface(new Geom_Plane(gp_Pln()));
Adaptor3d_CurveOnSurface Ad2(AC2d2,AdS2);
Adaptor3d_CurveOnSurface longAD, shortAD;
Standard_Real lenP, firstP;
ShapeAnalysis_Curve sac;
gp_Pnt Proj1, Proj2;
Standard_Real param1 = 0., param2 = 0.;
p2d2=c2d2->Value(E2.Orientation()==TopAbs_FORWARD ? b2 : a2);
p2d1=c2d1->Value(E1.Orientation()==TopAbs_FORWARD ? a1 : b1);
Standard_Real dist1 = ProjectInside(Ad1,gp_Pnt(p2d2.X(),p2d2.Y(),0),Tolerance,Proj1,param1,Standard_False);
Standard_Real dist2 = ProjectInside(Ad2,gp_Pnt(p2d1.X(),p2d1.Y(),0),Tolerance,Proj2,param2,Standard_False);
if ( dist1 > Tolerance && dist2 > Tolerance)
return Standard_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;
}
Standard_Real step = lenP/23;
for (Standard_Integer i = 1; i < 23; i++,firstP+=step) {
Standard_Real d1 = sac.Project(longAD,shortAD.Value(firstP),Tolerance,Proj1,param1);
if (d1 > Tolerance) {
return Standard_False;
}
}
return Standard_True;
}
//=======================================================================
//function : CheckSmallArea
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckSmallArea(const TopoDS_Wire& theWire)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
const Standard_Integer aNbControl = 23;
const Standard_Integer NbEdges = myWire->NbEdges();
if ( !IsReady() || NbEdges < 1 )
return Standard_False;
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_OK);
Standard_Real aF, aL, aLength(0.0);
const Standard_Real anInv = 1.0 / static_cast<Standard_Real>(aNbControl - 1);
gp_XY aCenter2d(0., 0.);
// try to find mid point for closed contour
Handle(Geom2d_Curve) aCurve2d;
for (Standard_Integer 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 Standard_False;
}
for (Standard_Integer i = 1; i < aNbControl; ++i)
{
const Standard_Real aV = anInv * ((aNbControl - 1 - i) * aF+ i * aL);
aCenter2d += aCurve2d->Value(aV).XY();
}
}
aCenter2d *= 1.0 / static_cast<Standard_Real>(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());
Handle(Geom_Curve) aCurve3d;
for (Standard_Integer j = 1; j <= NbEdges; ++j)
{
const ShapeAnalysis_Edge anAnalizer;
if (!anAnalizer.Curve3d(myWire->Edge(j), aCurve3d, aF, aL))
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return Standard_False;
}
if (Precision::IsInfinite(aF) || Precision::IsInfinite(aL))
{
continue;
}
Standard_Integer aBegin = 0;
if (j == 1)
{
aBegin = 1;
aPnt3d = aCurve3d->Value(aF);
aPrev3d = aPnt3d.XYZ() - aCenter;
}
for (Standard_Integer i = aBegin; i < aNbControl; ++i)
{
const Standard_Real 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;
}
}
Standard_Real 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);
Standard_Real aNewTolerance = aLProps.Mass() * myPrecision;
if ( Abs(aProps.Mass()) < 0.5 * aNewTolerance )
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE1);
return Standard_True;
}
}
return Standard_False;
}
//=======================================================================
//function : CheckShapeConnect
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckShapeConnect(const TopoDS_Shape& shape,const Standard_Real prec)
{
Standard_Real tailhead, tailtail, headhead, headtail;
return CheckShapeConnect (tailhead, tailtail, headtail, headhead, shape, prec);
}
//=======================================================================
//function : CheckShapeConnect
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckShapeConnect(Standard_Real& tailhead, Standard_Real& tailtail,
Standard_Real& headtail, Standard_Real& headhead,
const TopoDS_Shape& shape, const Standard_Real prec)
{
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL1);
if (!IsLoaded () || shape.IsNull()) return Standard_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 Standard_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);
Standard_Real dm1 = tailhead, dm2 = headtail;
Standard_Integer res1 = 0, res2 = 0;
if (tailhead > tailtail) {res1 = 1; dm1 = tailtail;}
if (headtail > headhead) {res2 = 1; dm2 = headhead;}
Standard_Integer result = res1;
myMin3d = Min (dm1, dm2);
myMax3d = 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 > Max (myPrecision, prec))
myStatus = ShapeExtend::EncodeStatus (ShapeExtend_FAIL2);
return LastCheckStatus (ShapeExtend_DONE);
}
//=======================================================================
//function : CheckLoop
//purpose :
//=======================================================================
Standard_Boolean isMultiVertex(const TopTools_ListOfShape& alshape,
const TopTools_MapOfShape& aMapSmallEdges,
const TopTools_MapOfShape& aMapSeemEdges)
{
TopTools_ListIteratorOfListOfShape lIt1(alshape);
Standard_Integer 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);
}
Standard_Boolean ShapeAnalysis_Wire::CheckLoop(TopTools_IndexedMapOfShape& aMapLoopVertices,
TopTools_DataMapOfShapeListOfShape& aMapVertexEdges,
TopTools_MapOfShape& aMapSmallEdges,
TopTools_MapOfShape& aMapSeemEdges)
{
myStatus = ShapeExtend::EncodeStatus(ShapeExtend_OK);
if (!IsLoaded() || NbEdges() < 2) return Standard_False;
Standard_Real aSavPreci = Precision();
SetPrecision(Precision::Infinite());
Standard_Integer 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 Standard_False;
}
Standard_Boolean 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)) {
TopTools_ListOfShape alshape;
aMapVertexEdges.Bind(aV1,alshape);
}
if(!aMapVertexEdges.IsBound(aV2)) {
TopTools_ListOfShape alshape;
aMapVertexEdges.Bind(aV2,alshape);
}
if(isSame)
{
TopTools_ListOfShape& alshape = aMapVertexEdges.ChangeFind(aV1);
alshape.Append(aedge);
alshape.Append(aedge);
if(alshape.Extent() >2 && isMultiVertex( alshape,aMapSmallEdges,aMapSeemEdges))
aMapLoopVertices.Add(aV1);
}
else {
TopTools_ListOfShape& alshape = aMapVertexEdges.ChangeFind(aV1);
alshape.Append(aedge);
if(alshape.Extent() >2 && isMultiVertex( alshape,aMapSmallEdges,aMapSeemEdges))
aMapLoopVertices.Add(aV1);
TopTools_ListOfShape& 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 Standard_True;
}
return Standard_False;
}
//=======================================================================
//function : Project
//purpose :
//=======================================================================
static Standard_Real Project(
const Handle(Geom_Curve)& theCurve,
const Standard_Real theFirstParameter,
const Standard_Real theLastParameter,
const gp_Pnt& thePoint,
const Standard_Real thePrecision,
Standard_Real& theParameter,
gp_Pnt& theProjection)
{
const Standard_Real aDist = ShapeAnalysis_Curve().Project(theCurve, thePoint,
thePrecision, theProjection, theParameter, theFirstParameter,
theLastParameter);
if (theParameter >= theFirstParameter && theParameter <= theLastParameter)
{
return aDist;
}
const Standard_Real aParams[] = {theFirstParameter, theLastParameter};
const gp_Pnt aPrjs[] =
{theCurve->Value(aParams[0]), theCurve->Value(aParams[1])};
const Standard_Real aDists[] =
{thePoint.Distance(aPrjs[0]), thePoint.Distance(aPrjs[1])};
const Standard_Integer aPI = (aDists[0] <= aDists[1]) ? 0 : 1;
theParameter = aParams[aPI];
theProjection = aPrjs[aPI];
return aDists[aPI];
}
//=======================================================================
//function : CheckTail
//purpose :
//=======================================================================
Standard_Boolean ShapeAnalysis_Wire::CheckTail(
const TopoDS_Edge& theEdge1,
const TopoDS_Edge& theEdge2,
const Standard_Real theMaxSine,
const Standard_Real theMaxWidth,
const Standard_Real 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 Standard_False;
}
// Check the distance between the edge common ends.
const Standard_Real aTol2 = theMaxWidth + 0.5 * Precision::Confusion();
const Standard_Real aTol3 = theMaxWidth + Precision::Confusion();
const Standard_Real aTol4 = theMaxWidth + 1.5 * Precision::Confusion();
const Standard_Real aSqTol2 = aTol2 * aTol2;
const Standard_Real aSqTol3 = aTol3 * aTol3;
Handle(Geom_Curve) aCs[2];
Standard_Real aLs[2][2];
Standard_Integer aVIs[2];
gp_Pnt aVPs[2];
{
for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
{
if (!ShapeAnalysis_Edge().Curve3d(
aEs[aEI], aCs[aEI], aLs[aEI][0], aLs[aEI][1], Standard_False))
{
return Standard_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 Standard_False;
}
}
// Check the angle between the edges.
if (theMaxSine >= 0)
{
const Standard_Real aSqMaxSine = theMaxSine * theMaxSine;
gp_XYZ aDs[2];
Standard_Integer aReverse = 0;
for (Standard_Integer 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 Standard_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 Standard_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 Standard_Real aDN = aDs[aEI].Modulus();
if (aDN < 0.1 * Precision::Confusion())
{
return Standard_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 Standard_False;
}
}
// Calculate the tail bounds.
gp_Pnt aPs[2], aPrjs[2];
Standard_Real aParams1[2], aParams2[2];
Standard_Real aDists[2];
Standard_Boolean isWholes[] = {Standard_True, Standard_True};
for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
{
Standard_Real 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] = Standard_False;
for (;;)
{
const Standard_Real aParam = (aParam1 + aParams1[aEI]) * 0.5;
aCs[aEI]->D0(aParam, aPs[aEI]);
const Standard_Real 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 (Standard_Integer aEI = 0; aEI < 2; ++aEI)
{
const Standard_Real aParam1 = aLs[aEI][aVIs[aEI]];
const Standard_Real aParam2 = aParams1[aEI];
const Standard_Real aStepL = (aParam2 - aParam1) / 23;
for (Standard_Integer aStepN = 1; aStepN < 23; ++aStepN)
{
Standard_Real 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 Standard_False;
}
}
}
// Check whether both edges must be removed.
if (isWholes[0] && isWholes[1] && aPs[0].SquareDistance(aPs[1]) <= aSqTol3)
{
theEdge11 = theEdge1;
theEdge21 = theEdge2;
return Standard_True;
}
// Cut and remove the edges.
Standard_Integer 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;
}
}
Standard_Real 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}};
Standard_Integer aResults[] = {1, 1};
for (Standard_Integer aEI = 0; aEI < 2; ++aEI)
{
if (Abs(aParams[aEI] - aLs[aEI][1 - aVIs[aEI]]) <= Precision::PConfusion())
{
aResults[aEI] = 2;
*aEParts[aEI][0] = aEs[aEI];
}
else if (Abs(aParams[aEI] - aLs[aEI][aVIs[aEI]]) <= Precision::PConfusion())
{
aResults[aEI] = 0;
}
}
// Correct the cut for the distance tolerance.
for (Standard_Integer 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], Standard_False);
BRep_Builder().SameRange(aEParts2[1], Standard_False);
BRep_Builder().SameParameter(aEParts2[0], Standard_False);
BRep_Builder().SameParameter(aEParts2[1], Standard_False);
aSATPP.TransferRange(
aEParts2[0], aLs[aEI][0], aParams[aEI], Standard_False);
aSATPP.TransferRange(
aEParts2[1], aParams[aEI], aLs[aEI][1], Standard_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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