const Handle(Geom2d_Geometry)& Geom2,
Standard_Real& DotProd);
-static Standard_Boolean IsSharpCorner (const Handle(Geom2d_Geometry)& Geom1,
- const Handle(Geom2d_Geometry)& Geom2,
- const Standard_Real& Direction);
//=============================================================================
//function : Constructor
//purpose :
//=============================================================================
-MAT2d_Circuit::MAT2d_Circuit(const Standard_Boolean IsOpenResult)
+MAT2d_Circuit::MAT2d_Circuit(const GeomAbs_JoinType aJoinType,
+ const Standard_Boolean IsOpenResult)
{
+ myJoinType = aJoinType;
myIsOpenResult = IsOpenResult;
}
ConstructCircuit(FigItem,IndRefLine,Road);
}
+//=======================================================================
+//function : IsSharpCorner
+//purpose : Return True Si le point commun entre <Geom1> et <Geom2> est
+// une cassure saillante par rapport <Direction>
+//=======================================================================
+
+Standard_Boolean MAT2d_Circuit::IsSharpCorner(const Handle(Geom2d_Geometry)& Geom1,
+ const Handle(Geom2d_Geometry)& Geom2,
+ const Standard_Real Direction) const
+{
+ Standard_Real DotProd;
+ Standard_Real ProVec = CrossProd (Geom1,Geom2,DotProd);
+ Standard_Integer NbTest = 1;
+ Standard_Real DU = Precision::Confusion();
+ Handle(Geom2d_TrimmedCurve) C1,C2;
+
+ C1= Handle(Geom2d_TrimmedCurve)::DownCast(Geom1);
+ C2= Handle(Geom2d_TrimmedCurve)::DownCast(Geom2);
+// Modified by Sergey KHROMOV - Thu Oct 24 19:02:46 2002 Begin
+// Add the same criterion as it is in MAT2d_Circuit::InitOpen(..)
+// Standard_Real TolAng = 1.E-5;
+ Standard_Real TolAng = 1.E-8;
+// Modified by Sergey KHROMOV - Thu Oct 24 19:02:47 2002 End
+
+ if (myJoinType == GeomAbs_Arc)
+ {
+ while (NbTest <= 10) {
+ if ((ProVec)*Direction < -TolAng)
+ return Standard_True; // Saillant.
+ if ((ProVec)*Direction > TolAng)
+ return Standard_False; // Rentrant.
+ else {
+ if (DotProd > 0) {
+ return Standard_False; // Plat.
+ }
+ TolAng = 1.E-8;
+ Standard_Real U1 = C1->LastParameter() - NbTest*DU;
+ Standard_Real U2 = C2->FirstParameter() + NbTest*DU;
+ gp_Dir2d Dir1(C1->DN(U1,1));
+ gp_Dir2d Dir2(C2->DN(U2,1));
+ DotProd = Dir1.Dot(Dir2);
+ ProVec = Dir1^Dir2;
+ NbTest++;
+ }
+ }
+
+
+
+ // Rebroussement.
+ // on calculde des paralleles aux deux courbes du cote du domaine
+ // de calcul
+ // Si pas dintersection => saillant.
+ // Sinon => rentrant.
+ Standard_Real D ;
+ Standard_Real Tol = Precision::Confusion();
+ Standard_Real MilC1 = (C1->LastParameter() + C1->FirstParameter())*0.5;
+ Standard_Real MilC2 = (C2->LastParameter() + C2->FirstParameter())*0.5;
+ gp_Pnt2d P = C1->Value(C1->LastParameter());
+ gp_Pnt2d P1 = C1->Value(MilC1);
+ gp_Pnt2d P2 = C2->Value(MilC2);
+
+ D = Min(P1.Distance(P),P2.Distance(P));
+ D /= 10;
+
+ if (Direction > 0.) D = -D;
+
+ Handle(Geom2dAdaptor_HCurve) HC1 = new Geom2dAdaptor_HCurve(C1);
+ Handle(Geom2dAdaptor_HCurve) HC2 = new Geom2dAdaptor_HCurve(C2);
+ Adaptor3d_OffsetCurve OC1(HC1,D,MilC1,C1->LastParameter());
+ Adaptor3d_OffsetCurve OC2(HC2,D,C2->FirstParameter(),MilC2);
+ Geom2dInt_GInter Intersect;
+ Intersect.Perform(OC1,OC2,Tol,Tol);
+
+#ifdef DEB
+ static Standard_Boolean Affich = 0;
+ if (Affich) {
+#ifdef DRAW
+ Standard_Real DU1 = (OC1.LastParameter() - OC1.FirstParameter())/9.;
+ Standard_Real DU2 = (OC2.LastParameter() - OC2.FirstParameter())/9.;
+ for (Standard_Integer ki = 0; ki <= 9; ki++) {
+ gp_Pnt2d P1 = OC1.Value(OC1.FirstParameter()+ki*DU1);
+ gp_Pnt2d P2 = OC2.Value(OC2.FirstParameter()+ki*DU2);
+ Handle(Draw_Marker2D) dr1 = new Draw_Marker2D(P1,Draw_Plus,Draw_vert);
+ Handle(Draw_Marker2D) dr2 = new Draw_Marker2D(P2,Draw_Plus,Draw_rouge);
+ dout << dr1;
+ dout << dr2;
+ }
+ dout.Flush();
+#endif
+ }
+#endif
+
+ if (Intersect.IsDone() && !Intersect.IsEmpty()) {
+ return Standard_False;
+ }
+ else {
+ return Standard_True;
+ }
+ } //end of if (myJoinType == GeomAbs_Arc)
+ else if (myJoinType == GeomAbs_Intersection)
+ {
+ if (Abs(ProVec) <= TolAng &&
+ DotProd < 0)
+ {
+ while (NbTest <= 10)
+ {
+ Standard_Real U1 = C1->LastParameter() - NbTest*DU;
+ Standard_Real U2 = C2->FirstParameter() + NbTest*DU;
+ gp_Dir2d Dir1(C1->DN(U1,1));
+ gp_Dir2d Dir2(C2->DN(U2,1));
+ DotProd = Dir1.Dot(Dir2);
+ ProVec = Dir1^Dir2;
+ if ((ProVec)*Direction < -TolAng)
+ return Standard_True; // Saillant.
+ if ((ProVec)*Direction > TolAng)
+ return Standard_False; // Rentrant.
+
+ NbTest++;
+ }
+ return Standard_False;
+ }
+ else
+ return Standard_False;
+ }
+ return Standard_False;
+}
+
//=======================================================================
//function : SubSequence
//purpose :
}
-//=======================================================================
-//function : IsSharpCorner
-//purpose : Return True Si le point commun entre <Geom1> et <Geom2> est
-// une cassure saillante par rapport <Direction>
-//=======================================================================
-
-static Standard_Boolean IsSharpCorner (const Handle(Geom2d_Geometry)& Geom1,
- const Handle(Geom2d_Geometry)& Geom2,
- const Standard_Real& Direction)
-{
- Standard_Real DotProd;
- Standard_Real ProVec = CrossProd (Geom1,Geom2,DotProd);
- Standard_Integer NbTest = 1;
- Standard_Real DU = Precision::Confusion();
- Handle(Geom2d_TrimmedCurve) C1,C2;
-
- C1= Handle(Geom2d_TrimmedCurve)::DownCast(Geom1);
- C2= Handle(Geom2d_TrimmedCurve)::DownCast(Geom2);
-// Modified by Sergey KHROMOV - Thu Oct 24 19:02:46 2002 Begin
-// Add the same criterion as it is in MAT2d_Circuit::InitOpen(..)
-// Standard_Real TolAng = 1.E-5;
- Standard_Real TolAng = 1.E-8;
-// Modified by Sergey KHROMOV - Thu Oct 24 19:02:47 2002 End
-
- while (NbTest <= 10) {
- if ((ProVec)*Direction < -TolAng)
- return Standard_True; // Saillant.
- if ((ProVec)*Direction > TolAng)
- return Standard_False; // Rentrant.
- else {
- if (DotProd > 0) {
- return Standard_False; // Plat.
- }
- TolAng = 1.E-8;
- Standard_Real U1 = C1->LastParameter() - NbTest*DU;
- Standard_Real U2 = C2->FirstParameter() + NbTest*DU;
- gp_Dir2d Dir1(C1->DN(U1,1));
- gp_Dir2d Dir2(C2->DN(U2,1));
- DotProd = Dir1.Dot(Dir2);
- ProVec = Dir1^Dir2;
- NbTest++;
- }
- }
-
-
-
- // Rebroussement.
- // on calculde des paralleles aux deux courbes du cote du domaine
- // de calcul
- // Si pas dintersection => saillant.
- // Sinon => rentrant.
- Standard_Real D ;
- Standard_Real Tol = Precision::Confusion();
- Standard_Real MilC1 = (C1->LastParameter() + C1->FirstParameter())*0.5;
- Standard_Real MilC2 = (C2->LastParameter() + C2->FirstParameter())*0.5;
- gp_Pnt2d P = C1->Value(C1->LastParameter());
- gp_Pnt2d P1 = C1->Value(MilC1);
- gp_Pnt2d P2 = C2->Value(MilC2);
-
- D = Min(P1.Distance(P),P2.Distance(P));
- D /= 10;
-
- if (Direction > 0.) D = -D;
-
- Handle(Geom2dAdaptor_HCurve) HC1 = new Geom2dAdaptor_HCurve(C1);
- Handle(Geom2dAdaptor_HCurve) HC2 = new Geom2dAdaptor_HCurve(C2);
- Adaptor3d_OffsetCurve OC1(HC1,D,MilC1,C1->LastParameter());
- Adaptor3d_OffsetCurve OC2(HC2,D,C2->FirstParameter(),MilC2);
- Geom2dInt_GInter Intersect;
- Intersect.Perform(OC1,OC2,Tol,Tol);
-
-#ifdef DEB
- static Standard_Boolean Affich = 0;
- if (Affich) {
-#ifdef DRAW
- Standard_Real DU1 = (OC1.LastParameter() - OC1.FirstParameter())/9.;
- Standard_Real DU2 = (OC2.LastParameter() - OC2.FirstParameter())/9.;
- for (Standard_Integer ki = 0; ki <= 9; ki++) {
- gp_Pnt2d P1 = OC1.Value(OC1.FirstParameter()+ki*DU1);
- gp_Pnt2d P2 = OC2.Value(OC2.FirstParameter()+ki*DU2);
- Handle(Draw_Marker2D) dr1 = new Draw_Marker2D(P1,Draw_Plus,Draw_vert);
- Handle(Draw_Marker2D) dr2 = new Draw_Marker2D(P2,Draw_Plus,Draw_rouge);
- dout << dr1;
- dout << dr2;
- }
- dout.Flush();
-#endif
- }
-#endif
-
- if (Intersect.IsDone() && !Intersect.IsEmpty()) {
- return Standard_False;
- }
- else {
- return Standard_True;
- }
-}
projects / occt.git / blobdiff