#include <BRepAlgoAPI_Section.hxx>
#include <Extrema_ExtPC.hxx>
#include <Extrema_ExtPC2d.hxx>
-#include <Extrema_ExtCC2d.hxx>
-//#include <Geom2dInt_GInter.hxx>
+//#include <Extrema_ExtCC2d.hxx>
+#include <Geom2dInt_GInter.hxx>
//#include <BRepExtrema_ExtCC.hxx>
//#include <ShapeFix_Shape.hxx>
-static void IntersectIn2d(const TopoDS_Edge& theEdge1,
- const TopoDS_Edge& theEdge2,
- const TopoDS_Face& theFace,
- const gp_Pnt2d& theP2dRef,
- Standard_Real& theParamOnFirst,
- Standard_Real& theParamOnSecond,
- gp_Pnt& thePntSol,
- gp_Pnt& thePntOnSecond)
+static Standard_Boolean EdgeContains(const TopoDS_Edge& theEdge,
+ const TopoDS_Vertex& theVertex)
+{
+ TopoDS_Iterator ite(theEdge);
+ for (; ite.More(); ite.Next())
+ if (theVertex.IsSame(ite.Value()))
+ return Standard_True;
+
+ return Standard_False;
+}
+
+static void ProjectVertexOnAnotherEdge_2d(const TopoDS_Vertex& theVertex,
+ const TopoDS_Edge& theEdge1,
+ const TopoDS_Edge& theEdge2,
+ const TopoDS_Face& theFace,
+ const gp_Pnt2d& theP2dRef,
+ Standard_Real& theSqDistReached,
+ Standard_Real& theParamOnFirst,
+ Standard_Real& theParamOnSecond)
+{
+ theParamOnFirst = BRep_Tool::Parameter(theVertex, theEdge1);
+ BRepAdaptor_Curve2d FirstBAcurve2d(theEdge1, theFace);
+ BRepAdaptor_Curve2d SecondBAcurve2d(theEdge2, theFace);
+ gp_Pnt2d Point2dFromEdge1 = FirstBAcurve2d.Value(theParamOnFirst);
+
+ Extrema_ExtPC2d Projector(Point2dFromEdge1, SecondBAcurve2d);
+ Standard_Real Param[4], dist[4];
+ gp_Pnt2d Pnt2d[4];
+ Param[1] = SecondBAcurve2d.FirstParameter();
+ Param[2] = SecondBAcurve2d.LastParameter();
+ Projector.TrimmedSquareDistances(dist[1], dist[2], Pnt2d[1], Pnt2d[2]);
+ dist[1] = theP2dRef.SquareDistance(Pnt2d[1]);
+ dist[2] = theP2dRef.SquareDistance(Pnt2d[2]);
+ dist[3] = RealLast();
+ if (Projector.IsDone())
+ {
+ Standard_Integer imin = 0;
+ for (Standard_Integer i = 1; i <= Projector.NbExt(); i++)
+ {
+ gp_Pnt2d aPnt2dOnSecondEdge = Projector.Point(i).Value();
+ Standard_Real aDist = theP2dRef.SquareDistance(aPnt2dOnSecondEdge);
+ if (aDist < dist[3])
+ {
+ dist[3] = aDist;
+ imin = i;
+ }
+ }
+ if (imin != 0)
+ {
+ Param[3] = Projector.Point(imin).Parameter();
+ Pnt2d[3] = Projector.Point(imin).Value();
+ }
+ }
+
+ Standard_Integer imin = 1;
+ for (Standard_Integer i = 2; i <= 3; i++)
+ if (dist[i] < dist[imin])
+ imin = i;
+
+ theParamOnSecond = Param[imin];
+ theSqDistReached = dist[imin];
+
+ //BRepAdaptor_Surface BAnewsurf(theNewFace, Standard_False);
+ //thePnt = BAnewsurf.Value(Pnt[imin].X(), Pnt[imin].Y());
+
+ //thePnt2d = Pnt2d[imin];
+
+ //BRepAdaptor_Curve BAcurve(theEdge);
+ // BRepAdaptor_Curve BAnewcurve(theNewEdge);
+
+ //thePnt = BAnewcurve.Value(theParam);
+
+ //gp_Pnt PointOnEdge = BAcurve.Value(ParamOnEdge);
+
+ //thePntSol.SetXYZ((thePntOnConst.XYZ() + thePnt.XYZ())/2);
+
+ //theTolReached = PointOnEdge.Distance(thePnt); //sqrt(dist[imin]);
+ //theTolReached = thePntSol.Distance(thePnt);
+}
+
+static Standard_Boolean IntersectIn2d(const TopoDS_Vertex& theNewVertex,
+ const TopoDS_Edge& theEdge1,
+ const TopoDS_Edge& theEdge2,
+ const TopoDS_Face& theFace,
+ gp_Pnt2d& theP2dRef,
+ Standard_Real& theParamOnFirst,
+ Standard_Real& theParamOnSecond,
+ gp_Pnt& thePntSol,
+ gp_Pnt& thePntOnFirst,
+ gp_Pnt& thePntOnSecond)
{
+ //Current range
BRepAdaptor_Curve BAprevcurve(theEdge1);
BRepAdaptor_Curve BAcurcurve(theEdge2);
BRepAdaptor_Curve2d BAprevcurve2d(theEdge1, theFace);
BRepAdaptor_Curve2d BAcurcurve2d(theEdge2, theFace);
- //Geom2dInt_GInter Inters2d(BAprevcurve2d, BAcurcurve2d,
- // Precision::PConfusion(), Precision::PConfusion());
- Extrema_ExtCC2d ExtrCC(BAprevcurve2d, BAcurcurve2d);
- Standard_Real ParOnPrev[6], ParOnCur[6], dist[6], SumDist[6];
- gp_Pnt2d Pnt2d[6];
- ParOnPrev[1] = ParOnPrev[2] = BAprevcurve2d.FirstParameter();
- ParOnPrev[3] = ParOnPrev[4] = BAprevcurve2d.LastParameter();
- ParOnCur[1] = ParOnCur[3] = BAcurcurve2d.FirstParameter();
- ParOnCur[2] = ParOnCur[4] = BAcurcurve2d.LastParameter();
+
+ //Maximum range
+ /*
+ Standard_Real fpar, lpar;
+ Handle(Geom_Curve) Curve1 = BRep_Tool::Curve(theEdge1, fpar, lpar);
+ Handle(Geom_Curve) Curve2 = BRep_Tool::Curve(theEdge2, fpar, lpar);
+ Handle(Geom2d_Curve) PCurve1 = BRep_Tool::CurveOnSurface(theEdge1, theFace, fpar, lpar);
+ Handle(Geom2d_Curve) PCurve2 = BRep_Tool::CurveOnSurface(theEdge2, theFace, fpar, lpar);
+ GeomAdaptor_Curve BAprevcurve(Curve1);
+ GeomAdaptor_Curve BAcurcurve(Curve2);
+ Geom2dAdaptor_Curve BAprevcurve2d(PCurve1);
+ Geom2dAdaptor_Curve BAcurcurve2d(PCurve2);
+ */
- ExtrCC.TrimmedSquareDistances(dist[1], dist[2], dist[3], dist[4],
- Pnt2d[1], Pnt2d[2], Pnt2d[3], Pnt2d[4]);
- SumDist[1] = theP2dRef.SquareDistance(Pnt2d[1]) + theP2dRef.SquareDistance(Pnt2d[3]); //first-first
- SumDist[2] = theP2dRef.SquareDistance(Pnt2d[1]) + theP2dRef.SquareDistance(Pnt2d[4]); //first-last
- SumDist[3] = theP2dRef.SquareDistance(Pnt2d[2]) + theP2dRef.SquareDistance(Pnt2d[3]); //last-first
- SumDist[4] = theP2dRef.SquareDistance(Pnt2d[2]) + theP2dRef.SquareDistance(Pnt2d[4]); //last-last
- SumDist[5] = RealLast();
Standard_Integer imin = 0;
- if (ExtrCC.IsDone())
+ //Standard_Real MinSumDist = RealLast();
+
+ Standard_Real ParOnPrev[4], ParOnCur[4], DistRef[4];
+ gp_Pnt2d Pnt2d[4];
+ DistRef[1] = DistRef[2] = DistRef[3] = RealLast();
+
+ Geom2dInt_GInter Inters2d(BAprevcurve2d, BAcurcurve2d,
+ Precision::PConfusion(), Precision::PConfusion());
+ if (Inters2d.IsDone() && Inters2d.NbSegments() == 0)
{
- for (Standard_Integer i = 1; i <= ExtrCC.NbExt(); i++)
+ for (Standard_Integer iint = 1; iint <= Inters2d.NbPoints(); iint++)
{
- Extrema_POnCurv2d P2d1, P2d2;
- ExtrCC.Points(i, P2d1, P2d2);
- Standard_Real aSumDist = theP2dRef.SquareDistance(P2d1.Value()) + theP2dRef.SquareDistance(P2d2.Value());
- if (aSumDist < SumDist[5])
+ const IntRes2d_IntersectionPoint& ip = Inters2d.Point(iint);
+ gp_Pnt2d Pint2d = ip.Value();
+ //Standard_Real aDist = Pnt2dOnNewEdge.SquareDistance(Pint2d);
+ Standard_Real aDist = theP2dRef.SquareDistance(Pint2d);
+ if (aDist < DistRef[1])
{
- SumDist[5] = aSumDist;
- imin = i;
+ DistRef[1] = aDist;
+ imin = iint;
}
+ //gp_Pnt Pint = BAprevcurve.Value(ip.ParamOnFirst());
}
if (imin != 0)
{
- Extrema_POnCurv2d P2d1min, P2d2min;
- ExtrCC.Points(imin, P2d1min, P2d2min);
- ParOnPrev[5] = P2d1min.Parameter();
- ParOnCur[5] = P2d2min.Parameter();
+ const IntRes2d_IntersectionPoint& ip = Inters2d.Point(imin);
+ ParOnPrev[1] = ip.ParamOnFirst();
+ ParOnCur[1] = ip.ParamOnSecond();
+ //theParamOnFirst = ip.ParamOnFirst();
+ //theParamOnSecond = ip.ParamOnSecond();
}
}
- if (imin == 0)
+
+ //Project
+ if (!theNewVertex.IsNull())
{
- imin = 1;
- for (Standard_Integer i = 2; i <= 4; i++)
- if (SumDist[i] < SumDist[imin])
- imin = i;
+ if (EdgeContains(theEdge1, theNewVertex))
+ {
+ ProjectVertexOnAnotherEdge_2d(theNewVertex, theEdge1, theEdge2, theFace, theP2dRef,
+ DistRef[2], ParOnPrev[2], ParOnCur[2]);
+ }
+ if (EdgeContains(theEdge2, theNewVertex))
+ {
+ ProjectVertexOnAnotherEdge_2d(theNewVertex, theEdge2, theEdge1, theFace, theP2dRef,
+ DistRef[3], ParOnCur[3], ParOnPrev[3]);
+ }
}
- else
- imin = 5;
-
+
+ //Standard_Boolean SolutionFound = Standard_False;
+ Standard_Real MinDistRef = RealLast();
+ imin = 0;
+ for (Standard_Integer i = 1; i <= 3; i++)
+ {
+ //if (!Precision::IsInfinite(DistRef[i]))
+ //SolutionFound = Standard_True;
+ if (DistRef[i] < MinDistRef)
+ {
+ MinDistRef = DistRef[i];
+ imin = i;
+ }
+ }
+
+ if (Precision::IsInfinite(MinDistRef))
+ return Standard_False;
+
theParamOnFirst = ParOnPrev[imin];
theParamOnSecond = ParOnCur[imin];
- gp_Pnt PntOnFirst = BAprevcurve.Value(theParamOnFirst);
- thePntOnSecond = BAcurcurve.Value(theParamOnSecond);
- thePntSol.SetXYZ((PntOnFirst.XYZ() + thePntOnSecond.XYZ())/2);
+ thePntOnFirst = BAprevcurve.Value(theParamOnFirst);
+ thePntOnSecond = BAcurcurve.Value(theParamOnSecond);
+ //theP2dRef = BAcurcurve2d.Value(theParamOnSecond);
+ thePntSol.SetXYZ((thePntOnFirst.XYZ() + thePntOnSecond.XYZ())/2);
+ return Standard_True;
}
static TopoDS_Edge MakeNewEdgeWithOldPcurvesOnNewSurfaces(const TopoDS_Edge& theEdge,
BB.UpdateVertex(V2, TolReached);
}
+static Standard_Real ProjectPointOnEdge(const gp_Pnt& thePoint,
+ const TopoDS_Edge& theEdge,
+ Standard_Real& theParam)
+{
+ BRepAdaptor_Curve BAcurve(theEdge);
+ Extrema_ExtPC Projector(thePoint, BAcurve);
+ Standard_Real Param[4], dist[4];
+ gp_Pnt Pnt[4];
+ Param[1] = BAcurve.FirstParameter();
+ Param[2] = BAcurve.LastParameter();
+ Projector.TrimmedSquareDistances(dist[1], dist[2], Pnt[1], Pnt[2]);
+ dist[3] = RealLast();
+ if (Projector.IsDone() && Projector.NbExt() > 0)
+ {
+ Standard_Integer imin = 1;
+ for (Standard_Integer i = 2; i <= Projector.NbExt(); i++)
+ if (Projector.SquareDistance(i) < Projector.SquareDistance(imin))
+ imin = i;
+ Param[3] = Projector.Point(imin).Parameter();
+ dist[3] = Projector.SquareDistance(imin);
+ Pnt[3] = Projector.Point(imin).Value();
+ }
+
+ Standard_Integer imin = 1;
+ for (Standard_Integer i = 2; i <= 3; i++)
+ if (dist[i] < dist[imin])
+ imin = i;
+
+ theParam = Param[imin];
+ //thePnt = Pnt[imin];
+ Standard_Real MinSqDist = dist[imin];
+ return MinSqDist;
+}
+
static void ProjectVertexOnNewEdge(const TopoDS_Vertex& theVertex,
const TopoDS_Edge& theEdge,
const TopoDS_Edge& theNewEdge,
return TopAbs_REVERSED;
}
-static Standard_Boolean EdgeContains(const TopoDS_Edge& theEdge,
- const TopoDS_Vertex& theVertex)
-{
- TopoDS_Iterator ite(theEdge);
- for (; ite.More(); ite.Next())
- if (theVertex.IsSame(ite.Value()))
- return Standard_True;
-
- return Standard_False;
-}
-
static Standard_Boolean IsTangentFaces(const TopoDS_Edge& theEdge,
const TopoDS_Face& theFace1,
void BRepOffsetAPI_PatchFaces::Build()
{
TopExp::MapShapesAndUniqueAncestors(myInitialShape, TopAbs_EDGE, TopAbs_FACE, myEFmap);
+ TopTools_IndexedDataMapOfShapeListOfShape VEmap;
+ TopExp::MapShapesAndUniqueAncestors(myInitialShape, TopAbs_VERTEX, TopAbs_EDGE, VEmap);
+ for (Standard_Integer i = 1; i <= VEmap.Extent(); i++)
+ {
+ const TopoDS_Shape& aVertex = VEmap.FindKey(i);
+ TopTools_ListOfShape aFaceList;
+ TopTools_MapOfShape aFaceMap;
+ const TopTools_ListOfShape& Elist = VEmap(i);
+ TopTools_ListIteratorOfListOfShape itl(Elist);
+ for (; itl.More(); itl.Next())
+ {
+ const TopoDS_Edge& anEdge = TopoDS::Edge(itl.Value());
+ if (BRep_Tool::Degenerated(anEdge))
+ continue;
+ const TopTools_ListOfShape& Flist = myEFmap.FindFromKey(anEdge);
+ TopTools_ListIteratorOfListOfShape itl2(Flist);
+ for (; itl2.More(); itl2.Next())
+ {
+ const TopoDS_Shape& aFace = itl2.Value();
+ if (aFaceMap.Add(aFace))
+ aFaceList.Append(aFace);
+ }
+ }
+ myVFmap.Bind(aVertex, aFaceList);
+ }
//Draft filling of <myFaceNewFace>
for (Standard_Integer i = 1; i <= myFacePatchFace.Extent(); i++)
for (; Explo.More(); Explo.Next())
{
const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current());
+ if (BRep_Tool::Degenerated(anEdge))
+ continue;
const TopTools_ListOfShape& Lfaces = myEFmap.FindFromKey(anEdge);
TopoDS_Face aNeighborFace = (aFace.IsSame(Lfaces.First()))?
TopoDS::Face(Lfaces.Last()) : TopoDS::Face(Lfaces.First());
for (; wexp.More(); wexp.Next())
{
TopoDS_Edge anEdge = wexp.Current();
+ if (BRep_Tool::Degenerated(anEdge))
+ continue;
+ BRepAdaptor_Curve BAcurve(anEdge);
Standard_Boolean ToReverse = Standard_False;
TopoDS_Edge aNewEdge;
if (myEdgeNewEdge.IsBound(anEdge))
ExpSec.Next();
if (ExpSec.More())
{
- cout<<endl<<"More than one intersecion => smooth edge"<<endl;
- Success = Standard_False;
+ cout<<endl<<"More than one intersecion"<<endl;
+ gp_Pnt MidPnt = BAcurve.Value((BAcurve.FirstParameter() + BAcurve.LastParameter())/2);
+ Standard_Real aParam;
+ Standard_Real MinSqDistProj = ProjectPointOnEdge(MidPnt, aNewEdge, aParam);
+ for (; ExpSec.More(); ExpSec.Next())
+ {
+ TopoDS_Edge aSecEdge = TopoDS::Edge(ExpSec.Current());
+ Standard_Real aSqDistProj = ProjectPointOnEdge(MidPnt, aSecEdge, aParam);
+ if (aSqDistProj < MinSqDistProj)
+ {
+ MinSqDistProj = aSqDistProj;
+ aNewEdge = aSecEdge;
+ }
+ }
}
if (!Success) //a smooth edge with bigger angle
{
BB.UpdateEdge(aNewEdge, PCurve2, aBoundedNewNeighborFace, 0.);
//Check orientation of new edge
- BRepAdaptor_Curve BAcurve(anEdge);
+ //BRepAdaptor_Curve BAcurve(anEdge);
BRepAdaptor_Curve BAnewcurve(aNewEdge);
gp_Pnt FirstPnt, FirstNewPnt;
gp_Vec DirOnCurve, DirOnNewCurve;
BAcurve.D1(BAcurve.FirstParameter(), FirstPnt, DirOnCurve);
- Standard_Real ParamOnNewEdge = BAnewcurve.FirstParameter();
- Extrema_ExtPC Projector(FirstPnt, BAnewcurve);
- if (!Projector.IsDone() || Projector.NbExt() == 0)
- {
- cout<<endl<<"Define orientation of new edge: extrema point-curve is not done"<<endl;
- }
- if (Projector.IsDone() && Projector.NbExt() > 0)
- {
- Standard_Integer indmin = 1;
- for (Standard_Integer ind = 2; ind <= Projector.NbExt(); ind++)
- if (Projector.SquareDistance(ind) < Projector.SquareDistance(indmin))
- indmin = ind;
- ParamOnNewEdge = Projector.Point(indmin).Parameter();
- }
+ Standard_Real ParamOnNewEdge;
+ ProjectPointOnEdge(FirstPnt, aNewEdge, ParamOnNewEdge);
BAnewcurve.D1(ParamOnNewEdge, FirstNewPnt, DirOnNewCurve);
Standard_Real ScalProd = DirOnCurve * DirOnNewCurve;
if (ScalProd < 0.)
BRepTools_WireExplorer wexp(F_Wire, aFace);
TopoDS_Vertex CurVertex = wexp.CurrentVertex();
TopoDS_Edge FirstEdge = wexp.Current();
+ if (BRep_Tool::Degenerated(FirstEdge))
+ {
+ wexp.Next();
+ FirstEdge = wexp.Current();
+ }
TopoDS_Edge FirstNewEdge = FirstEdge;
if (myEdgeNewEdge.IsBound(FirstEdge))
FirstNewEdge = TopoDS::Edge(myEdgeNewEdge(FirstEdge));
if (myEdgeNewEdge.IsBound(FirstEdge))//new edge: update
{
- Standard_Real fpar, lpar;
- BRep_Tool::Range(FirstEdge, fpar, lpar);
- BB.Range(FirstNewEdge, fpar, lpar);
+ //Standard_Real fpar, lpar;
+ //BRep_Tool::Range(FirstEdge, fpar, lpar);
+ //BB.Range(FirstNewEdge, fpar, lpar);
BRepAdaptor_Curve BAcurve(FirstNewEdge);
gp_Pnt FirstPnt = BAcurve.Value(BAcurve.FirstParameter());
if (CurNewVertex.IsNull())
for (; wexp.More(); wexp.Next())
{
CurEdge = wexp.Current();
+ if (BRep_Tool::Degenerated(CurEdge))
+ continue;
if (myEdgeNewEdge.IsBound(CurEdge))
CurNewEdge = TopoDS::Edge(myEdgeNewEdge(CurEdge));
else
const TopoDS_Face& theNewFace,
TopoDS_Face& theBoundedNewFace)
{
+ if (thePrevEdge == theCurEdge) //only one edge in wire in fact
+ return;
+
CorrectOrientationOfSeam(thePrevEdge, theFace,
thePrevNewEdge, theNewFace);
CorrectOrientationOfSeam(theCurEdge, theFace,
theCurNewEdge, theNewFace);
BRep_Builder BB;
+ BRepAdaptor_Surface BAsurf(theBoundedNewFace, Standard_False);
+ Standard_Boolean IsConstVertex = Standard_False;
TopoDS_Vertex CurNewVertex;
if (myVertexNewVertex.IsBound(theCurVertex))
CurNewVertex = TopoDS::Vertex(myVertexNewVertex(theCurVertex));
else
{
- Standard_Boolean IsConstVertex = (!myEdgeNewEdge.IsBound(thePrevEdge) ||
- !myEdgeNewEdge.IsBound(theCurEdge));
+ IsConstVertex = (!myEdgeNewEdge.IsBound(thePrevEdge) ||
+ !myEdgeNewEdge.IsBound(theCurEdge) ||
+ IsMoreThan3Edges(theCurVertex));
if (IsConstVertex)
CurNewVertex = theCurVertex;
}
+ TopAbs_Orientation OrientationOfCurVertexInPrev = theCurVertex.Orientation();
+
if (myEdgeNewEdge.IsBound(thePrevEdge) &&
myEdgeNewEdge.IsBound(theCurEdge)) //two new edges: intersect
{
- Standard_Real ParamOnPrev, ParamOnCur, TolProj;
- gp_Pnt PntOnPrev, PntOnCur;
+ Standard_Real ParamOnConst, ParamOnPrev, ParamOnCur, TolProj;
+ gp_Pnt PntOnConst, PntOnPrev, PntOnCur, PntSol;
gp_Pnt2d Pnt2dOnPrev, Pnt2dOnCur;
ProjectVertexOnNewEdge_2d(theCurVertex,
thePrevEdge, theFace,
thePrevNewEdge, theBoundedNewFace,
- ParamOnPrev, PntOnPrev, Pnt2dOnPrev, TolProj);
+ ParamOnConst, ParamOnPrev,
+ PntOnConst, PntOnPrev, PntSol,
+ Pnt2dOnPrev, TolProj);
ProjectVertexOnNewEdge_2d(theCurVertex,
theCurEdge, theFace,
theCurNewEdge, theBoundedNewFace,
- ParamOnCur, PntOnCur, Pnt2dOnCur, TolProj);
+ ParamOnConst, ParamOnCur,
+ PntOnConst, PntOnCur, PntSol,
+ Pnt2dOnCur, TolProj);
gp_Pnt2d P2dRef((Pnt2dOnPrev.XY() + Pnt2dOnCur.XY())/2);
Standard_Real TolReached;
gp_Pnt PntVtx = (CurNewVertex.IsNull())?
BRep_Tool::Pnt(theCurVertex) : BRep_Tool::Pnt(CurNewVertex);
- //TolReached = PntOnPrev.Distance(PntOnCur);
- //Standard_Real DistVtoPrev = PntVtx.Distance(PntOnPrev);
- //Standard_Real DistVtoCur = PntVtx.Distance(PntOnCur);
- //TolReached = Max(TolReached, DistVtoPrev);
- //TolReached = Max(TolReached, DistVtoCur);
-
- /*
- //BRepExtrema_ExtCC ExtrEE(thePrevNewEdge, theCurNewEdge);
- BRepAdaptor_Curve BAprevcurve(thePrevNewEdge);
- BRepAdaptor_Curve BAcurcurve(theCurNewEdge);
- BRepAdaptor_Curve2d BAprevcurve2d(thePrevNewEdge, theBoundedNewFace);
- BRepAdaptor_Curve2d BAcurcurve2d(theCurNewEdge, theBoundedNewFace);
- //Geom2dInt_GInter Inters2d(BAprevcurve2d, BAcurcurve2d,
- // Precision::PConfusion(), Precision::PConfusion());
- Extrema_ExtCC2d ExtrCC(BAprevcurve2d, BAcurcurve2d);
- Standard_Real ParOnPrev[6], ParOnCur[6], dist[6], SumDist[6];
- gp_Pnt2d Pnt2d[6];
- ParOnPrev[1] = ParOnPrev[2] = BAprevcurve2d.FirstParameter();
- ParOnPrev[3] = ParOnPrev[4] = BAprevcurve2d.LastParameter();
- ParOnCur[1] = ParOnCur[3] = BAcurcurve2d.FirstParameter();
- ParOnCur[2] = ParOnCur[4] = BAcurcurve2d.LastParameter();
-
- ExtrCC.TrimmedSquareDistances(dist[1], dist[2], dist[3], dist[4],
- Pnt2d[1], Pnt2d[2], Pnt2d[3], Pnt2d[4]);
- SumDist[1] = P2dRef.SquareDistance(Pnt2d[1]) + P2dRef.SquareDistance(Pnt2d[3]); //first-first
- SumDist[2] = P2dRef.SquareDistance(Pnt2d[1]) + P2dRef.SquareDistance(Pnt2d[4]); //first-last
- SumDist[3] = P2dRef.SquareDistance(Pnt2d[2]) + P2dRef.SquareDistance(Pnt2d[3]); //last-first
- SumDist[4] = P2dRef.SquareDistance(Pnt2d[2]) + P2dRef.SquareDistance(Pnt2d[4]); //last-last
- SumDist[5] = RealLast();
- Standard_Integer imin = 0;
- if (ExtrCC.IsDone())
- {
- for (Standard_Integer i = 1; i <= ExtrCC.NbExt(); i++)
- {
- Extrema_POnCurv2d P2d1, P2d2;
- ExtrCC.Points(i, P2d1, P2d2);
- Standard_Real aSumDist = P2dRef.SquareDistance(P2d1.Value()) + P2dRef.SquareDistance(P2d2.Value());
- if (aSumDist < SumDist[5])
- {
- SumDist[5] = aSumDist;
- imin = i;
- }
- }
- if (imin != 0)
- {
- Extrema_POnCurv2d P2d1min, P2d2min;
- ExtrCC.Points(imin, P2d1min, P2d2min);
- ParOnPrev[5] = P2d1min.Parameter();
- ParOnCur[5] = P2d2min.Parameter();
- }
- }
- if (imin == 0)
- {
- imin = 1;
- for (Standard_Integer i = 2; i <= 4; i++)
- if (SumDist[i] < SumDist[imin])
- imin = i;
- }
- else
- imin = 5;
-
- ParamOnPrev = ParOnPrev[imin];
- ParamOnCur = ParOnCur[imin];
- gp_Pnt SolutionOnPrev = BAprevcurve.Value(ParamOnPrev);
- gp_Pnt SolutionOnCur = BAcurcurve.Value(ParamOnCur);
- gp_Pnt Pint((SolutionOnPrev.XYZ() + SolutionOnCur.XYZ())/2);
- //Standard_Real TolInt = PntVtx.Distance(Pint);
- //TolReached = TolInt;
- */
gp_Pnt Pint;
- IntersectIn2d(thePrevNewEdge, theCurNewEdge, theBoundedNewFace, P2dRef,
- ParamOnPrev, ParamOnCur, Pint, PntOnCur);
+ Standard_Boolean IntersectSuccess =
+ IntersectIn2d(CurNewVertex,
+ thePrevNewEdge, theCurNewEdge, theBoundedNewFace, P2dRef,
+ ParamOnPrev, ParamOnCur, Pint, PntOnPrev, PntOnCur);
//PntOnPrev = PntOnCur = Pint;
if (CurNewVertex.IsNull())
{
//gp_Pnt NewPnt((PntOnPrev.XYZ() + PntOnCur.XYZ())/2);
+ if (!IntersectSuccess)
+ Pint = BAsurf.Value(P2dRef.X(), P2dRef.Y());
CurNewVertex = BRepLib_MakeVertex(Pint);
myVertexNewVertex.Bind(theCurVertex, CurNewVertex);
TolReached = Pint.Distance(PntOnCur);
else
{
PntVtx = BRep_Tool::Pnt(CurNewVertex);
- TolReached = PntVtx.Distance(PntOnCur); //PntVtx.Distance(Pint);
+ Standard_Real DistToPrev = PntVtx.Distance(PntOnPrev);
+ Standard_Real DistToCur = PntVtx.Distance(PntOnCur);
+ TolReached = Max(DistToPrev, DistToCur); //PntVtx.Distance(Pint);
}
BB.UpdateVertex(CurNewVertex, 1.001*TolReached);
+
+ //if (!EdgeContains(thePrevNewEdge, CurNewVertex))
+ PutVertexToEdge(CurNewVertex, OrientationOfCurVertexInPrev,
+ thePrevNewEdge, thePrevEdge,
+ theFace, P2dRef,
+ ParamOnPrev);
- if (!EdgeContains(thePrevNewEdge, CurNewVertex))
- PutVertexToEdge(CurNewVertex, theCurVertex, thePrevNewEdge, thePrevEdge, ParamOnPrev);
-
- if (!EdgeContains(theCurNewEdge, CurNewVertex))
- PutVertexToEdge(CurNewVertex, theCurVertex, theCurNewEdge, theCurEdge, ParamOnCur);
+ //if (!EdgeContains(theCurNewEdge, CurNewVertex))
+ PutVertexToEdge(CurNewVertex, TopAbs::Reverse(OrientationOfCurVertexInPrev),
+ theCurNewEdge, theCurEdge,
+ theFace, P2dRef,
+ ParamOnCur);
} //two new edges: intersect
else if (myEdgeNewEdge.IsBound(thePrevEdge) ||
myEdgeNewEdge.IsBound(theCurEdge)) //one constant edge: project point onto curve
{
TopoDS_Edge ConstantEdge, ModifiedEdge, NewEdge;
+ TopAbs_Orientation anOr = OrientationOfCurVertexInPrev;
if (myEdgeNewEdge.IsBound(thePrevEdge))
{
ConstantEdge = theCurEdge;
ConstantEdge = thePrevEdge;
ModifiedEdge = theCurEdge;
NewEdge = theCurNewEdge;
+ anOr = TopAbs::Reverse(anOr);
}
Standard_Real ParamOnConstEdge, ParamOnNewEdge, TolReached;
- gp_Pnt PntOnNewEdge;
+ gp_Pnt PntOnConstEdge, PntOnNewEdge, PntSol;
gp_Pnt2d Pnt2dOnNewEdge;
ProjectVertexOnNewEdge_2d(theCurVertex,
ModifiedEdge, theFace,
NewEdge, theBoundedNewFace,
- ParamOnNewEdge, PntOnNewEdge, Pnt2dOnNewEdge, TolReached);
- //BB.UpdateVertex(CurNewVertex, TolReached);
+ ParamOnConstEdge, ParamOnNewEdge,
+ PntOnConstEdge, PntOnNewEdge, PntSol,
+ Pnt2dOnNewEdge, TolReached);
- /*
- BRepAdaptor_Curve BAconstcurve(ConstantEdge);
- BRepAdaptor_Curve2d BAconstcurve2d(ConstantEdge, theBoundedNewFace);
- BRepAdaptor_Curve2d BAnewcurve2d(NewEdge, theBoundedNewFace);
- //Geom2dInt_GInter Inters2d(BAconstcurve2d, BAnewcurve2d,
- // Precision::PConfusion(), Precision::PConfusion());
- Standard_Integer imin = 0;
- if (Inters2d.IsDone())
- {
- Standard_Real MinDist = RealLast();
- for (Standard_Integer iint = 1; iint <= Inters2d.NbPoints(); iint++)
- {
- const IntRes2d_IntersectionPoint& ip = Inters2d.Point(iint);
- gp_Pnt2d Pint2d = ip.Value();
- Standard_Real aDist = Pnt2dOnNewEdge.SquareDistance(Pint2d);
- if (aDist < MinDist)
- {
- MinDist = aDist;
- imin = iint;
- }
- //gp_Pnt Pint = BAprevcurve.Value(ip.ParamOnFirst());
- }
- }
- if (imin != 0)
- {
- gp_Pnt Pint = BAconstcurve.Value(Inters2d.Point(imin).ParamOnFirst());
- //Standard_Real TolInt = PntVtx.Distance(Pint);
- //TolReached = TolInt;
- PntOnNewEdge = Pint;
- //ParamOnPrev = Inters2d.Point(imin).ParamOnFirst(); //ExtrEE.ParameterOnE1(imin);
- ParamOnNewEdge = Inters2d.Point(imin).ParamOnSecond(); //ExtrEE.ParameterOnE2(imin);
- gp_Pnt PntVtx = BRep_Tool::Pnt(CurNewVertex);
- TolReached = PntVtx.Distance(Pint);
- }
- BB.UpdateVertex(CurNewVertex, TolReached);
- */
-
- gp_Pnt Pint;
- IntersectIn2d(ConstantEdge, NewEdge, theBoundedNewFace, Pnt2dOnNewEdge,
- ParamOnConstEdge, ParamOnNewEdge, Pint, PntOnNewEdge);
+ //gp_Pnt Pint;
+ IntersectIn2d(CurNewVertex,
+ ConstantEdge, NewEdge, theBoundedNewFace, Pnt2dOnNewEdge,
+ ParamOnConstEdge, ParamOnNewEdge, PntSol, PntOnConstEdge, PntOnNewEdge);
gp_Pnt PntVtx = BRep_Tool::Pnt(CurNewVertex);
TolReached = PntVtx.Distance(PntOnNewEdge);
+ //Compute 2d tol reached
+ TopoDS_Vertex CurNewVertexInConstantEdge = CurNewVertex;
+ if (IsConstVertex && myEdgeNewEdge.IsBound(thePrevEdge))
+ CurNewVertexInConstantEdge.Reverse();
+ ParamOnConstEdge = BRep_Tool::Parameter(CurNewVertexInConstantEdge, ConstantEdge);
+ BRepAdaptor_Curve2d BAconstcurve2d(ConstantEdge, theBoundedNewFace);
+ gp_Pnt2d Pnt2dOnConstEdge = BAconstcurve2d.Value(ParamOnConstEdge);
+ Standard_Real du = Abs(Pnt2dOnConstEdge.X() - Pnt2dOnNewEdge.X());
+ Standard_Real dv = Abs(Pnt2dOnConstEdge.Y() - Pnt2dOnNewEdge.Y());
+ //BRepAdaptor_Surface BAsurf(theBoundedNewFace, Standard_False);
+ Standard_Real TolU = du / (2*BAsurf.UResolution(1));
+ Standard_Real TolV = dv / (2*BAsurf.VResolution(1));
+ TolReached = Max(TolReached, 1.001*Max(TolU,TolV));
+ //Temporary: Check
+ Standard_Real Uresolution = BAsurf.UResolution(TolReached);
+ Standard_Real Vresolution = BAsurf.VResolution(TolReached);
+ Standard_Real aTol2d = 2 * Max(Uresolution, Vresolution);
+ if (du >= aTol2d ||
+ dv >= aTol2d)
+ cout<<endl<<"du = "<<du<<", dv = "<<dv<<", aTol2d = "<<aTol2d<<endl;
+ ////////////////////////
BB.UpdateVertex(CurNewVertex, 1.001*TolReached);
- if (!EdgeContains(NewEdge, CurNewVertex))
- PutVertexToEdge(CurNewVertex, theCurVertex, NewEdge, ModifiedEdge, ParamOnNewEdge);
+ //if (!EdgeContains(NewEdge, CurNewVertex))
+ PutVertexToEdge(CurNewVertex, anOr,
+ NewEdge, ModifiedEdge,
+ theFace, Pnt2dOnConstEdge,
+ ParamOnNewEdge);
} //else (one constant edge: project point onto curve)
else //two constant edges
{
}
-void BRepOffsetAPI_PatchFaces::PutVertexToEdge(const TopoDS_Vertex& theVertex,
- const TopoDS_Vertex& theProVertex,
- TopoDS_Edge& theEdge,
- const TopoDS_Edge& theProEdge,
- const Standard_Real theParamOnEdge)
+void BRepOffsetAPI_PatchFaces::PutVertexToEdge(const TopoDS_Vertex& theVertex,
+ //const TopoDS_Vertex& theProVertex,
+ const TopAbs_Orientation theProVertexOrientation,
+ TopoDS_Edge& theEdge,
+ const TopoDS_Edge& theProEdge,
+ const TopoDS_Face& theProFace,
+ const gp_Pnt2d& /*Pnt2dOnConstEdge*/,
+ const Standard_Real theParamOnEdge)
{
BRep_Builder BB;
- TopAbs_Orientation anOr = OrientationInEdge(theProVertex, theProEdge);
- if (myEdgeNewEdge.IsBound(theProEdge) &&
- myEdgeNewEdge(theProEdge).Orientation() == TopAbs_REVERSED)
+ //TopAbs_Orientation anOr = OrientationInEdge(theProVertex, theProEdge);
+ //TopAbs_Orientation anOr = theProVertex.Orientation();
+ TopAbs_Orientation anOr = theProVertexOrientation;
+ if (theProEdge.Orientation() == TopAbs_REVERSED)
anOr = TopAbs::Reverse(anOr);
- TopoDS_Shape F_Edge = theEdge.Oriented(TopAbs_FORWARD);
- F_Edge.Free(Standard_True);
- BB.Add(F_Edge, theVertex.Oriented(anOr));
+ if (BRepTools::IsReallyClosed(theProEdge, theProFace))
+ {
+ if (theEdge.Orientation() != theProEdge.Orientation())
+ anOr = TopAbs::Reverse(anOr);
+ }
+ else
+ {
+ if (myEdgeNewEdge.IsBound(theProEdge) &&
+ myEdgeNewEdge(theProEdge).Orientation() == TopAbs_REVERSED)
+ anOr = TopAbs::Reverse(anOr);
+ }
+
+ Standard_Boolean EdgeContainsVertex = EdgeContains(theEdge, theVertex);
+
+ if (!EdgeContainsVertex)
+ {
+ TopoDS_Shape F_Edge = theEdge.Oriented(TopAbs_FORWARD);
+ F_Edge.Free(Standard_True);
+ BB.Add(F_Edge, theVertex.Oriented(anOr));
+ }
+
if (!Precision::IsInfinite(theParamOnEdge))
{
Standard_Real fpar, lpar;
BRep_Tool::Range(theEdge, fpar, lpar);
- if (anOr == TopAbs_FORWARD)
- BB.Range(theEdge, theParamOnEdge, lpar);
+
+ if (EdgeContainsVertex)
+ {
+ //BRepAdaptor_Curve2d BAcurve2d(theEdge, theFace);
+ //gp_Pnt2d aPnt2d = BAcurve2d.Value((anOr == TopAbs_FORWARD)? fpar : lpar);
+ //Standard_Real aDist = Pnt2dOnConstEdge.Distance(aPnt2d);
+ //BB.UpdateVertex(theVertex, 1.001*aDist);
+ }
else
- BB.Range(theEdge, fpar, theParamOnEdge);
+ {
+ if (anOr == TopAbs_FORWARD)
+ BB.Range(theEdge, theParamOnEdge, lpar);
+ else
+ BB.Range(theEdge, fpar, theParamOnEdge);
+ }
}
}
const TopoDS_Face& theFace,
const TopoDS_Edge& theNewEdge,
const TopoDS_Face& theNewFace,
+ Standard_Real& theParamOnConst,
Standard_Real& theParam,
+ gp_Pnt& thePntOnConst,
gp_Pnt& thePnt,
+ gp_Pnt& thePntSol,
gp_Pnt2d& thePnt2d,
Standard_Real& theTolReached)
{
Standard_Real ParamOnEdge = BRep_Tool::Parameter(theVertex, theEdge);
+ theParamOnConst = ParamOnEdge;
BRepAdaptor_Curve2d BAcurve2d(theEdge, theFace);
BRepAdaptor_Curve2d BAnewcurve2d(theNewEdge, theNewFace);
gp_Pnt2d Point2dFromEdge;
+ //
+ BRepAdaptor_Curve BAcurve(theEdge);
+ gp_Pnt PointOnEdge = BAcurve.Value(ParamOnEdge);
+ thePntOnConst = PointOnEdge;
+ //
if (myFacePatchFace.Contains(theFace))
{
- BRepAdaptor_Curve BAcurve(theEdge);
- gp_Pnt PointOnEdge = BAcurve.Value(ParamOnEdge);
BRepAdaptor_Surface BAnewsurf(theNewFace);
Extrema_ExtPS ProjPS(PointOnEdge, BAnewsurf,
Precision::PConfusion(), Precision::PConfusion());
//BRepAdaptor_Surface BAnewsurf(theNewFace, Standard_False);
//thePnt = BAnewsurf.Value(Pnt[imin].X(), Pnt[imin].Y());
thePnt2d = Pnt2d[imin];
- BRepAdaptor_Curve BAcurve(theEdge);
+ //BRepAdaptor_Curve BAcurve(theEdge);
BRepAdaptor_Curve BAnewcurve(theNewEdge);
thePnt = BAnewcurve.Value(theParam);
- gp_Pnt PointOnEdge = BAcurve.Value(ParamOnEdge);
- theTolReached = PointOnEdge.Distance(thePnt); //sqrt(dist[imin]);
+ //gp_Pnt PointOnEdge = BAcurve.Value(ParamOnEdge);
+ thePntSol.SetXYZ((thePntOnConst.XYZ() + thePnt.XYZ())/2);
+ //theTolReached = PointOnEdge.Distance(thePnt); //sqrt(dist[imin]);
+ theTolReached = thePntSol.Distance(thePnt);
+}
+
+Standard_Boolean BRepOffsetAPI_PatchFaces::IsMoreThan3Edges(const TopoDS_Vertex& theVertex)
+{
+ const TopTools_ListOfShape& Flist = myVFmap(theVertex);
+ TopTools_ListIteratorOfListOfShape itl(Flist);
+ for (; itl.More(); itl.Next())
+ {
+ const TopoDS_Shape& aFace = itl.Value();
+ if (!myFaceNewFace.Contains(aFace))
+ return Standard_True;
+ }
+
+ return Standard_False;
}