}
}
-#define NBI 200
-
-static gp_Pnt P1[NBI][NBI];
-static gp_Pnt P2[NBI][NBI];
-static Standard_Integer IP1[NBI][NBI];
-static Standard_Integer IP2[NBI][NBI];
-
-static char P1DS2[NBI][NBI];
-static char P2DS1[NBI][NBI];
-
-#define _DECAL 7
-#define _DECAL2 14
-#define _BASE 128
-#define _BASEM1 127
-
-long unsigned nbappelstri=0;
-long unsigned nbappelslin=0;
-
-
//==================================================================================
// function : RemplitLin
// purpose :
}
}
-//==================================================================================
-// function : PointDepart
-// purpose :
-//==================================================================================
-void IntPatch_PrmPrmIntersection::PointDepart(Handle(IntSurf_LineOn2S)& LineOn2S,
- const Handle(Adaptor3d_HSurface)& S1,
- const Standard_Integer SU_1,
- const Standard_Integer SV_1,
- const Handle(Adaptor3d_HSurface)& S2,
- const Standard_Integer SU_2,
- const Standard_Integer SV_2) const
-{
-
- Standard_Integer SU1 =SU_1 ;
- Standard_Integer SV1 =SV_1 ;
- Standard_Integer SU2 =SU_2 ;
- Standard_Integer SV2 =SV_2 ;
-
- SU1*=15;
- SU2*=15;
- SV1*=15;
- SV2*=15;
-
- if(NBI<SU1) SU1 = NBI;
- if(NBI<SV1) SV1 = NBI;
- if(NBI<SU2) SU2 = NBI;
- if(NBI<SV2) SV2 = NBI;
-
- //-- cout<<"\n SU1 "<<SU1<<" SV1 "<<SV1<<" SU2 "<<SU2<<" SV2 "<<SV2<<endl;
- Bnd_Box Box1;
- Bnd_Box Box2;
-
- Standard_Real U0 = S1->FirstUParameter();
- Standard_Real U1 = S1->LastUParameter();
- Standard_Real V0 = S1->FirstVParameter();
- Standard_Real V1 = S1->LastVParameter();
-
- Standard_Real resu0,resu1,resv0,resv1;
- resu0=U0;resu1=U1;resv1=V1;resv0=V0;
-
- Standard_Real du1,du2,dv1,dv2;
- du1 = (U1-U0)/(SU1-1);
- dv1 = (V1-V0)/(SV1-1);
- Standard_Real U,V;
-
- Standard_Integer i,j;
-
- Standard_Real dmaxOn1 = 0.0;
- Standard_Real dmaxOn2 = 0.0;
-
-
- for(U=U0,i=0; i<SU1; i++,U+=du1) {
- for(V=V0,j=0; j<SV1; V+=dv1,j++) {
- P1[i][j] = S1->Value(U,V);
- Box1.Add(P1[i][j]);
- if(i>0 && j>0) {
- Standard_Real x0,y0,z0;
- Standard_Real x1,y1,z1;
- P1[i][j].Coord(x0,y0,z0);
- P1[i-1][j-1].Coord(x1,y1,z1);
-
- Standard_Real d = Abs(x1-x0)+Abs(y1-y0)+Abs(z1-z0);
- if(d>dmaxOn1) dmaxOn1 = d;
- }
- }
- }
- //-- cout<<" P(.,.) du 1 fini "<<endl;
- U0 = S2->FirstUParameter();
- U1 = S2->LastUParameter();
- V0 = S2->FirstVParameter();
- V1 = S2->LastVParameter();
-
- du2 = (U1-U0)/(SU2-1); dv2 = (V1-V0)/(SV2-1);
- for(U=U0,i=0; i<SU2; i++,U+=du2) {
- for(V=V0,j=0; j<SV2; V+=dv2,j++) {
- P2[i][j] = S2->Value(U,V);
- Box2.Add(P2[i][j]);
- if(i>0 && j>0) {
- Standard_Real x0,y0,z0;
- Standard_Real x1,y1,z1;
- P2[i][j].Coord(x0,y0,z0);
- P2[i-1][j-1].Coord(x1,y1,z1);
-
- Standard_Real d = Abs(x1-x0)+Abs(y1-y0)+Abs(z1-z0);
- if(d>dmaxOn2) dmaxOn2 = d;
- }
- }
- }
- //-- cout<<" P(.,.) du 1 fini "<<endl;
- Box1.Enlarge(1e-8);
- Box2.Enlarge(1e-8);
- if(Box1.IsOut(Box2)) {
- //-- cout<<" Rejection entre boites "<<endl;
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
+ const Handle(Adaptor3d_TopolTool)& D1,
+ const Handle(Adaptor3d_HSurface)& Surf2,
+ const Handle(Adaptor3d_TopolTool)& D2,
+ const Standard_Real TolTangency,
+ const Standard_Real Epsilon,
+ const Standard_Real Deflection,
+ const Standard_Real Increment,
+ IntSurf_ListOfPntOn2S& LOfPnts,
+ const Standard_Boolean RestrictLine)
+{
+ if (LOfPnts.IsEmpty()){
+ done = Standard_True;
return;
}
- Standard_Real x10,y10,z10,x11,y11,z11;
- Standard_Real x20,y20,z20,x21,y21,z21;
- Standard_Real x0,y0,z0,x1,y1,z1;
-
- Box1.Get(x10,y10,z10,x11,y11,z11);
- Box2.Get(x20,y20,z20,x21,y21,z21);
- x0 = (x10>x20)? x10 : x20;
- y0 = (y10>y20)? y10 : y20;
- z0 = (z10>z20)? z10 : z20;
-
- x1 = (x11<x21)? x11 : x21;
- y1 = (y11<y21)? y11 : y21;
- z1 = (z11<z21)? z11 : z21;
- if(dmaxOn2 > dmaxOn1) dmaxOn1 = dmaxOn2;
- dmaxOn1+=dmaxOn1;
- x0-=dmaxOn1;
- y0-=dmaxOn1;
- z0-=dmaxOn1;
- x1+=dmaxOn1;
- y1+=dmaxOn1;
- z1+=dmaxOn1;
-
-
- x10-=dmaxOn1; y10-=dmaxOn1; z10-=dmaxOn1;
- x11+=dmaxOn1; y11+=dmaxOn1; z11+=dmaxOn1;
-
- x20-=dmaxOn1; y20-=dmaxOn1; z20-=dmaxOn1;
- x21+=dmaxOn1; y21+=dmaxOn1; z21+=dmaxOn1;
-
-
- Standard_Real dx = (x1-x0)/NbPointsGrille();
- Standard_Real dy = (y1-y0)/NbPointsGrille();
- Standard_Real dz = (z1-z0)/NbPointsGrille();
-
- //Standard_Integer INCRX,INCRY,INCRZ;
-
- Standard_Real dmax = dx;
- if(dy>dmax) dmax = dy;
- if(dz>dmax) dmax = dz;
+
+ empt = Standard_True;
+ SLin.Clear();
+ Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
+ Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
+ Standard_Real U1,U2,V1,V2;
- if(dx<dmax*0.01) dx = dmax*0.01;
- if(dy<dmax*0.01) dy = dmax*0.01;
- if(dz<dmax*0.01) dz = dmax*0.01;
- Standard_Real dx2 = dx*0.5;
- Standard_Real dy2 = dy*0.5;
- Standard_Real dz2 = dz*0.5 ;
+ UminLig1 = Surf1->FirstUParameter();
+ VminLig1 = Surf1->FirstVParameter();
+ UmaxLig1 = Surf1->LastUParameter();
+ VmaxLig1 = Surf1->LastVParameter();
+ UminLig2 = Surf2->FirstUParameter();
+ VminLig2 = Surf2->FirstVParameter();
+ UmaxLig2 = Surf2->LastUParameter();
+ VmaxLig2 = Surf2->LastVParameter();
+ IntSurf_ListIteratorOfListOfPntOn2S IterLOP1(LOfPnts);
-
- IntPatch_PrmPrmIntersection_T3Bits M1(_BASE);
- IntPatch_PrmPrmIntersection_T3Bits M2(_BASE);
-
- for(i=0;i<SU1;i++) {
- for(j=0;j<SV1;j++) {
- IP1[i][j]=-1;
- const gp_Pnt& P=P1[i][j];
- P1DS2[i][j] = CodeReject(x20,y20,z20,x21,y21,z21,P.X(),P.Y(),P.Z());
- int ix = (int)((P.X()-x0 + dx2 )/dx);
- if(DansGrille(ix)) {
- int iy = (int)((P.Y()-y0 + dy2)/dy);
- if(DansGrille(iy)) {
- int iz = (int)((P.Z()-z0 + dz2)/dz);
- if(DansGrille(iz)) {
- IP1[i][j] = GrilleInteger(ix,iy,iz);
- }
- }
- }
- }
- }
- //-- cout<<" Grille du 1 fini "<<endl;
- for(i=0;i<SU2;i++) {
- for(j=0;j<SV2;j++) {
- IP2[i][j]=-1;
- const gp_Pnt& P=P2[i][j];
- P2DS1[i][j] = CodeReject(x10,y10,z10,x11,y11,z11,P.X(),P.Y(),P.Z());
- int ix = (int)((P.X()-x0 + dx2)/dx);
- if(DansGrille(ix)) {
- int iy = (int)((P.Y()-y0 + dy2)/dy);
- if(DansGrille(iy)) {
- int iz = (int)((P.Z()-z0 + dz2)/dz);
- if(DansGrille(iz)) {
- IP2[i][j] = GrilleInteger(ix,iy,iz);
- }
- }
- }
- }
+ for(; IterLOP1.More(); IterLOP1.Next()){
+ IntSurf_PntOn2S Pnt = IterLOP1.Value();
+ Pnt.Parameters(U1, V1, U2, V2);
+ if(U1>UmaxLig1) UmaxLig1=U1;
+ if(V1>VmaxLig1) VmaxLig1=V1;
+ if(U2>UmaxLig2) UmaxLig2=U2;
+ if(V2>VmaxLig2) VmaxLig2=V2;
+
+ if(U1<UminLig1) UminLig1=U1;
+ if(V1<VminLig1) VminLig1=V1;
+ if(U2<UminLig2) UminLig2=U2;
+ if(V2<VminLig2) VminLig2=V2;
}
- //-- cout<<" Grille du 2 fini "<<endl;
- for(i=0;i<SU1-1;i+=1) {
- for(j=0;j<SV1-1;j+=1) {
- if(!((P1DS2[i][j] & P1DS2[i+1][j]) || (P1DS2[i][j] & P1DS2[i+1][j+1])) )
- Remplit(IP1[i][j],IP1[i+1][j],IP1[i+1][j+1],M1);
- if(!((P1DS2[i][j] & P1DS2[i][j+1]) || (P1DS2[i][j] & P1DS2[i+1][j+1])))
- Remplit(IP1[i][j],IP1[i][j+1],IP1[i+1][j+1],M1);
- }
- }
- //-- cout<<" Remplissage du 1 fini "<<endl;
- for(i=0;i<SU2-1;i+=1) {
- for(j=0;j<SV2-1;j+=1) {
- if(!((P2DS1[i][j] & P2DS1[i+1][j]) || (P2DS1[i][j] & P2DS1[i+1][j+1])))
- Remplit(IP2[i][j],IP2[i+1][j],IP2[i+1][j+1],M2);
- if(!((P2DS1[i][j] & P2DS1[i][j+1]) || (P2DS1[i][j] & P2DS1[i+1][j+1])))
- Remplit(IP2[i][j],IP2[i][j+1],IP2[i+1][j+1],M2);
- }
- }
-
- //-- cout<<" Remplissage du 2 fini "<<endl;
-
-
- M1.ResetAnd();
- M2.ResetAnd();
-#ifdef DEB
- long unsigned ind=0;
-#endif
-//POP
- int newind=0;
-// long unsigned newind=0;
- long unsigned Compt=0;
- //long unsigned ComptTrouve=0;
- int ok=0;
- int indicepointtraite = 0;
- Standard_Integer k;
- Standard_Integer nu,nv;
+ Standard_Real Deflection2 = Deflection*Deflection;
- do {
- indicepointtraite--;
- ok = M1.And(M2,newind);
- if(ok) {
- IntegerGrille(newind,i,j,k);
-
-
- int nb=0;
- int LIM=3;
- if( DansGrille(i-1) && DansGrille(j-1) && DansGrille(k-1)
- && DansGrille(i+1) && DansGrille(j+1) && DansGrille(k+1)) {
- int si,sj,sk;
- for(si=-1; si<= 1 && nb<LIM; si++) {
- for(sj=-1; sj<= 1 && nb<LIM; sj++) {
- for(sk=-1; sk<= 1 && nb<LIM; sk++) {
- long unsigned lu=GrilleInteger(i+si,j+sj,k+sk);
- if(M1.Val(lu) && M2.Val(lu)) {
- nb++;
- }
- }
- }
- }
- if(nb>=LIM) {
- for(si=-1; si<= 1; si++) {
- for(sj=-1; sj<= 1; sj++) {
- for(sk=-1; sk<= 1; sk++) {
- if(si || sj || sk) {
- long unsigned lu=GrilleInteger(i+si,j+sj,k+sk);
- M1.Raz(lu);
- }
- }
- }
- }
- }
- }
-
+ Standard_Real SeuildPointLigne = 15.0 * Increment * Increment;
+
+ Standard_Integer NbPntOn2SOnLine = 0, NbLigCalculee = 0, ver;
+ Standard_Real pu1,pu2,pv1,pv2, dminiPointLigne;
+ Standard_Boolean HasStartPoint,RejetLigne;
+ IntSurf_PntOn2S StartPOn2S;
+ gp_Pnt Point3dDebut,Point3dFin;
- gp_Pnt P(dx*i + x0, dy*j + y0, dz*k+z0);
-
- //Standard_Integer ok12 = 1;
- Standard_Integer nu1=-1,nu2=-1;
-#ifndef DEB
- Standard_Integer nv1=0, nv2=0;
-#else
- Standard_Integer nv1, nv2;
-#endif
- int nbsur1 = 0;
- for(nu=0;nu1<0 && nu<SU1;nu++) {
- for(nv=0;nu1<0 && nv<SV1;nv++) {
-#ifndef DEB
- if( IP1[nu][nv]==(Standard_Integer) newind ) {
-#else
- if( IP1[nu][nv]==newind ) {
-#endif
- nbsur1++;
- IP1[nu][nv]=indicepointtraite;
- nu1=nu; nv1=nv;
- }
- }
- }
- if(nu1>=0) {
- int nbsur2 = 0;
- for(nu=0;nu2<0 && nu<SU2;nu++) {
- for(nv=0;nu2<0 && nv<SV2;nv++) {
-#ifndef DEB
- if( IP2[nu][nv]==(Standard_Integer) newind ) {
-#else
- if( IP2[nu][nv]==newind ) {
-#endif
- nbsur2++;
- IP2[nu][nv]=indicepointtraite;
- nu2=nu; nv2=nv;
- }
- }
- }
- }
- if(nu1>=0 && nu2>=0) {
- IntSurf_PntOn2S POn2S;
- POn2S.SetValue(P,
- S1->FirstUParameter()+nu1*du1,
- S1->FirstVParameter()+nv1*dv1,
- S2->FirstUParameter()+nu2*du2,
- S2->FirstVParameter()+nv2*dv2);
- LineOn2S->Add(POn2S);
- Compt++;
- }
- else {
- //-- aucun point du triangle n a ete trouve assez proche
- //-- on recherche les 3 points les plus proches de P
- //-- dans chacun des tableaux
- Standard_Real Dist3[3],u3[3],v3[3];
- Dist3[0]=Dist3[1]=Dist3[2]=RealLast();
- for(U=resu0,i=0; i<SU1; i++,U+=du1) {
- for(V=resv0,j=0; j<SV1; V+=dv1,j++) {
- //-- On place les 3 meilleures valeurs dans Dist1,Dist2,Dist3
- Standard_Real t = P1[i][j].SquareDistance(P);
- //-- On remplace la plus grande valeur ds Dist[.] par la val courante
- if(Dist3[0]<Dist3[1]) {
- Standard_Real z;
- z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
- z=u3[0]; u3[0]=u3[1]; u3[1]=z;
- z=v3[0]; v3[0]=v3[1]; v3[1]=z;
- }
- if(Dist3[1]<Dist3[2]) {
- Standard_Real z;
- z=Dist3[1]; Dist3[1]=Dist3[2]; Dist3[2]=z;
- z=u3[1]; u3[1]=u3[2]; u3[2]=z;
- z=v3[1]; v3[1]=v3[2]; v3[2]=z;
- }
- if(Dist3[0]<Dist3[1]) {
- Standard_Real z;
- z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
- z=u3[0]; u3[0]=u3[1]; u3[1]=z;
- z=v3[0]; v3[0]=v3[1]; v3[1]=z;
- }
- //-- la plus grande valeur est dans Dist3[0]
- if(t<Dist3[0]) {
- Dist3[0]=t; u3[0]=U; v3[0]=V;
- }
- }
- }
- //
- Standard_Real U1_3 = (u3[0]+u3[1]+u3[2])/3.0;
- Standard_Real V1_3 = (v3[0]+v3[1]+v3[2])/3.0;
-
- Dist3[0]=Dist3[1]=Dist3[2]=RealLast();
- for(U=U0,i=0; i<SU2; i++,U+=du2) {
- for(V=V0,j=0; j<SV2; V+=dv2,j++) {
- //-- On place les 3 meilleures valeurs dans Dist1,Dist2,Dist3
- Standard_Real t = P2[i][j].SquareDistance(P);
- //-- On remplace la plus grande valeur ds Dist3[.] par la val courante
- if(Dist3[0]<Dist3[1]) {
- Standard_Real z;
- z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
- z=u3[0]; u3[0]=u3[1]; u3[1]=z;
- z=v3[0]; v3[0]=v3[1]; v3[1]=z;
- }
- if(Dist3[1]<Dist3[2]) {
- Standard_Real z;
- z=Dist3[1]; Dist3[1]=Dist3[2]; Dist3[2]=z;
- z=u3[1]; u3[1]=u3[2]; u3[2]=z;
- z=v3[1]; v3[1]=v3[2]; v3[2]=z;
- }
- if(Dist3[0]<Dist3[1]) {
- Standard_Real z;
- z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
- z=u3[0]; u3[0]=u3[1]; u3[1]=z;
- z=v3[0]; v3[0]=v3[1]; v3[1]=z;
- }
- //-- la plus grande valeur est dans Dist3[0]
- if(t<Dist3[0]) {
- Dist3[0]=t; u3[0]=U; v3[0]=V;
- }
- }
- }
- //
- Standard_Real U2_3 = (u3[0]+u3[1]+u3[2])/3.0;
- Standard_Real V2_3 = (v3[0]+v3[1]+v3[2])/3.0;
-
- IntSurf_PntOn2S POn2S;
- POn2S.SetValue(P,U1_3,V1_3,U2_3,V2_3);
- LineOn2S->Add(POn2S);
- Compt++;
- }
- }
- }
- while(ok);
-}
-
-//==================================================================================
-// function : Perform
-// purpose : base SS Int. function
-//==================================================================================
-void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
- const Handle(Adaptor3d_TopolTool)& D1,
- const Handle(Adaptor3d_HSurface)& Surf2,
- const Handle(Adaptor3d_TopolTool)& D2,
- const Standard_Real TolTangency,
- const Standard_Real Epsilon,
- const Standard_Real Deflection,
- const Standard_Real Increment,
- const Standard_Boolean ClearFlag)
-{
-
- D1->SamplePnts(Deflection, 10, 10);
- D2->SamplePnts(Deflection, 10, 10);
-
-//=================================================================================
- Standard_Integer NbU1 = D1->NbSamplesU();
- Standard_Integer NbV1 = D1->NbSamplesV();
- Standard_Integer NbU2 = D2->NbSamplesU();
- Standard_Integer NbV2 = D2->NbSamplesV();
- TColStd_Array1OfReal anUpars1(1, NbU1), aVpars1(1, NbV1);
- TColStd_Array1OfReal anUpars2(1, NbU2), aVpars2(1, NbV2);
- D1->UParameters(anUpars1); D1->VParameters(aVpars1);
- D2->UParameters(anUpars2); D2->VParameters(aVpars2);
-//=======================================================================
- Standard_Integer Limit = 2500;
-
- if((NbU1*NbV1<=Limit && NbV2*NbU2<=Limit)) {
- empt = Standard_True;
- // modified by NIZHNY-AMV Tue Oct 18 12:37:02 2005.BEGIN
- if (ClearFlag)
- SLin.Clear();
- // modified by NIZHNY-AMV Tue Oct 18 12:37:02 2005.END
- //
- //IntPolyh_Intersection Interference(Surf1,NbU1,NbV1,Surf2,NbU2,NbV2);
- // IntPolyh_Intersection Interference(Surf1, anUpars1, aVpars1,
- // Surf2, anUpars2, aVpars2);
-
- IntPolyh_Intersection* pInterference = NULL;
-
- if ( D1->IsUniformSampling() || D2->IsUniformSampling() ) {
- pInterference = new IntPolyh_Intersection(Surf1,NbU1,NbV1,Surf2,NbU2,NbV2);
- }
- else {
- pInterference = new IntPolyh_Intersection(Surf1, anUpars1, aVpars1,
- Surf2, anUpars2, aVpars2 );
- }
- if ( !pInterference ) {
- done = Standard_False;
- return;
- }
- //
- IntPolyh_Intersection& Interference = *pInterference;
- //
- done = Interference.IsDone();
- if( !done ) {
- if ( pInterference ) {
- delete pInterference;
- pInterference = NULL;
- }
- return;
- }
+ TColStd_Array1OfReal StartParams(1,4);
+ IntPatch_ThePWalkingInter PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,Increment);
- Standard_Real Deflection2 = Deflection*Deflection;
- Standard_Integer nbLigSec = Interference.NbSectionLines();
- Standard_Integer nbTanZon = Interference.NbTangentZones();
- Standard_Real SeuildPointLigne = 15.0 * Increment * Increment;
+ IntSurf_ListIteratorOfListOfPntOn2S IterLOP2(LOfPnts);
+ for(; IterLOP2.More(); IterLOP2.Next() ){
+
+ IntSurf_PntOn2S cPnt = IterLOP2.Value();
+ cPnt.Parameters(U1, V1, U2, V2);
+
+ StartParams(1) = U1;
+ StartParams(2) = V1;
+ StartParams(3) = U2;
+ StartParams(4) = V2;
+
+ HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
+ dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
+ if(HasStartPoint) {
+ StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
+ NbLigCalculee = SLin.Length();
+ Standard_Integer l;
+ for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
+ Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.ChangeValue(l));
+ if( (testwline->IsOutSurf1Box(gp_Pnt2d(pu1,pv1))==Standard_False) &&
+ (testwline->IsOutSurf2Box(gp_Pnt2d(pu2,pv2))==Standard_False) &&
+ (testwline->IsOutBox(StartPOn2S.Value())==Standard_False) ) {
+ NbPntOn2SOnLine = testwline->NbPnts();
+ Standard_Integer ll;
+ for( ll = 1; (ll < NbPntOn2SOnLine) && (dminiPointLigne >= SeuildPointLigne); ll++) {
+ const gp_Pnt &Pa = testwline->Point(ll).Value();
+ const gp_Pnt &Pb = testwline->Point(ll+1).Value();
+ const gp_Pnt &PStart = StartPOn2S.Value();
+ gp_Vec AM(Pa,PStart);
+ gp_Vec MB(PStart,Pb);
+ Standard_Real AMMB = AM.Dot(MB);
+ if(AMMB > 0.0) {
+ gp_Dir ABN(Pb.X()-Pa.X(),Pb.Y()-Pa.Y(),Pb.Z()-Pa.Z());
+ Standard_Real lan = ABN.X()*AM.X()+ABN.Y()*AM.Y()+ABN.Z()*AM.Z();
+ gp_Vec AH(lan*ABN.X(),lan*ABN.Y(),lan*ABN.Z());
+ gp_Vec HM(AM.X()-AH.X(),AM.Y()-AH.Y(),AM.Z()-AH.Z());
+ Standard_Real d = 0.0;
+ if(HM.X() < Deflection) {
+ d+=HM.X()*HM.X();
+ if(HM.Y() < Deflection) {
+ d+=HM.Y()*HM.Y();
+ if(HM.Z() < Deflection)
+ d+=HM.Z()*HM.Z();
+ else
+ d=Deflection2;
+ }
+ else
+ d=Deflection2;
+ }
+ else
+ d=Deflection2;
+
+ if(d<Deflection2)
+ dminiPointLigne = 0.0;
+ }
+ else {
+ Standard_Real dab = Pa.SquareDistance(Pb);
+ Standard_Real dap = Pa.SquareDistance(PStart);
+ if(dap < dab)
+ dminiPointLigne=0;
+ else {
+ Standard_Real dbp = Pb.SquareDistance(PStart);
+ if(dbp < dab)
+ dminiPointLigne=0;
+ }
+ }
+ }// for( ll ...
+ }// if ...
+ }// for( l ...
+
+ if(dminiPointLigne > SeuildPointLigne) {
+ PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
+ if(PW.IsDone()) {
+ if(PW.NbPoints()>2) {
+ RejetLigne = Standard_False;
+ Point3dDebut = PW.Value(1).Value();
+ Point3dFin = PW.Value(PW.NbPoints()).Value();
+ for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
+ const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
+ const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
+ const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
+ if(Point3dDebut.Distance(verPointDebut.Value()) <= TolTangency) {
+ if(Point3dFin.Distance(verPointFin.Value()) <= TolTangency)
+ RejetLigne = Standard_True;
+ }
+ }
+
+ if(!RejetLigne) {
+ IntSurf_TypeTrans trans1,trans2;
+ Standard_Real locu,locv;
+ gp_Vec norm1,norm2,d1u,d1v;
+ gp_Pnt ptbid;
+ Standard_Integer indextg;
+ gp_Vec tgline(PW.TangentAtLine(indextg));
+ PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
+ Surf1->D1(locu,locv,ptbid,d1u,d1v);
+ norm1 = d1u.Crossed(d1v);
+ PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
+ Surf2->D1(locu,locv,ptbid,d1u,d1v);
+ norm2 = d1u.Crossed(d1v);
+ if( tgline.DotCross(norm2,norm1) >= 0. ) {
+ trans1 = IntSurf_Out;
+ trans2 = IntSurf_In;
+ }
+ else {
+ trans1 = IntSurf_In;
+ trans2 = IntSurf_Out;
+ }
+
+ Standard_Real TolTang = TolTangency;
+ Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
+ if (RestrictLine){
+ IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
+ IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
+ }
+
+ if(wline->NbVertex() == 0) {
+ IntPatch_Point vtx;
+ IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
+ POn2S.Parameters(pu1,pv1,pu2,pv2);
+ vtx.SetValue(Point3dDebut,TolTang,Standard_False);
+ vtx.SetParameters(pu1,pv1,pu2,pv2);
+ vtx.SetParameter(1);
+ wline->AddVertex(vtx);
+
+ POn2S = PW.Line()->Value(wline->NbPnts());
+ POn2S.Parameters(pu1,pv1,pu2,pv2);
+ vtx.SetValue(Point3dFin,TolTang,Standard_False);
+ vtx.SetParameters(pu1,pv1,pu2,pv2);
+ vtx.SetParameter(wline->NbPnts());
+ wline->AddVertex(vtx);
+ }
- Standard_Integer NbPntOn2SOnLine = 0, NbLigCalculee = 0, ver;
- Standard_Real U1,U2,V1,V2, pu1,pu2,pv1,pv2, incidence, dminiPointLigne;
- Standard_Boolean HasStartPoint,RejetLigne;
- IntSurf_PntOn2S StartPOn2S;
- gp_Pnt Point3dDebut,Point3dFin;
+ Standard_Integer slinlen = SLin.Length();
+ if( slinlen > 0 ) {
+ Standard_Integer cnbV = wline->NbVertex();
+ Standard_Integer ciV;
+ for( ciV = 1; ciV <= cnbV; ciV++ ) {
+ Standard_Real pntDMin = 1.e+100;
+ Standard_Integer VDMin = 0;
+ Standard_Integer WLDMin = 0;
+ gp_Pnt cPV = wline->Vertex(ciV).Value();
+ Standard_Integer iL;
+ for( iL = 1; iL <= slinlen; iL++) {
+ const Handle(IntPatch_Line)& aSLine = SLin.Value(iL);
+ IntPatch_IType aType = aSLine->ArcType();
+ if( aType != IntPatch_Walking)
+ continue;
+ const Handle(IntPatch_WLine)& aWLine = (*((Handle(IntPatch_WLine)*)&aSLine));
+ Standard_Integer tnbV = aWLine->NbVertex();
+ Standard_Integer tiV;
+ for( tiV = 1; tiV <= tnbV; tiV++ ) {
+ gp_Pnt tPV = aWLine->Vertex(tiV).Value();
+ Standard_Real tDistance = cPV.Distance(tPV);
+ Standard_Real uRs1 = Surf1->Surface().UResolution(tDistance);
+ Standard_Real vRs1 = Surf1->Surface().VResolution(tDistance);
+ Standard_Real uRs2 = Surf2->Surface().UResolution(tDistance);
+ Standard_Real vRs2 = Surf2->Surface().VResolution(tDistance);
+ Standard_Real RmaxS1 = Max(uRs1,vRs1);
+ Standard_Real RmaxS2 = Max(uRs2,vRs2);
+ if(RmaxS1 < 1.e-4 && RmaxS2 < 1.e-4) {
+ if( pntDMin > tDistance && tDistance > 1.e-9) {
+ pntDMin = tDistance;
+ VDMin = tiV;
+ WLDMin = iL;
+ }
+ }
+ }
+ }
+
+ if( VDMin != 0 ) {
+ const Handle(IntPatch_Line)& aSLine = SLin.Value(WLDMin);
+ const Handle(IntPatch_WLine)& aWLine = (*((Handle(IntPatch_WLine)*)&aSLine));
+ Standard_Integer tiVpar = (Standard_Integer)aWLine->Vertex(VDMin).ParameterOnLine();
+ Standard_Integer ciVpar = (Standard_Integer)wline->Vertex(ciV).ParameterOnLine();
+ Standard_Real u11 = 0., u12 = 0., v11 = 0., v12 = 0.;
+ Standard_Real u21 = 0., u22 = 0., v21 = 0., v22 = 0.;
+ wline->Point(ciVpar).Parameters(u11,v11,u12,v12);
+ aWLine->Point(tiVpar).Parameters(u21,v21,u22,v22);
+
+ Handle(IntSurf_LineOn2S) newL2s = new IntSurf_LineOn2S();
+ IntSurf_PntOn2S replacePnt = aWLine->Point(tiVpar);
+ Standard_Integer cNbP = wline->NbPnts();
+
+ TColStd_SequenceOfInteger VPold;
+ Standard_Integer iPo;
+ for( iPo = 1; iPo <= cnbV; iPo++ ) {
+ Standard_Real Po = wline->Vertex(iPo).ParameterOnLine();
+ Standard_Integer IPo = (Standard_Integer) Po;
+ VPold.Append(IPo);
+ }
+
+ Standard_Boolean removeNext = Standard_False;
+ Standard_Boolean removePrev = Standard_False;
+ if( ciV == 1) {
+ Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
+ if(dPar > 10) {
+ removeNext = Standard_True;
+ for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
+ VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
+ }
+ }
+ else if( ciV == cnbV) {
+ Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
+ if(dPar > 10) {
+ removePrev = Standard_True;
+ VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
+ }
+ }
+ else {
+ Standard_Integer dParMi = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
+ Standard_Integer dParMa = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
+ if(dParMi > 10) {
+ removePrev = Standard_True;
+ VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
+ }
+ if(dParMa > 10) {
+ removeNext = Standard_True;
+ for( iPo = (ciV+1); iPo <= cnbV; iPo++ ) {
+ if(dParMi > 10)
+ VPold.SetValue(iPo, VPold.Value(iPo) - 2 );
+ else
+ VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
+ }
+ }
+ else {
+ if(dParMi > 10)
+ for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
+ VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
+ }
+ }
+ Standard_Integer pI = (Standard_Integer) ciVpar;
+
+ Standard_Integer iP;
+ for( iP = 1; iP <= cNbP; iP++) {
+ if( pI == iP )
+ newL2s->Add(replacePnt);
+ else if(removeNext && iP == (pI + 1))
+ continue;
+ else if(removePrev && iP == (pI - 1))
+ continue;
+ else
+ newL2s->Add(wline->Point(iP));
+ }
+
+ IntPatch_Point newVtx;
+ gp_Pnt Pnt3dV = aWLine->Vertex(VDMin).Value();
+ newVtx.SetValue(Pnt3dV,TolTang,Standard_False);
+ newVtx.SetParameters(u21,v21,u22,v22);
+ newVtx.SetParameter(VPold.Value(ciV));
+
+ Handle(IntPatch_WLine) NWLine = new IntPatch_WLine(newL2s,Standard_False,trans1,trans2);
+
+ Standard_Integer iV;
+ for( iV = 1; iV <= cnbV; iV++ ) {
+ if( iV == ciV )
+ NWLine->AddVertex(newVtx);
+ else {
+ IntPatch_Point theVtx = wline->Vertex(iV);
+ theVtx.SetParameter(VPold.Value(iV));
+ NWLine->AddVertex(theVtx);
+ }
+ }
+
+ wline = NWLine;
+ }
+ }
+ }// SLin.Length > 0
+
+ SLin.Append(wline);
+ empt = Standard_False;
+ }// !RejetLigne
+ }// PW points > 2
+ }// done is True
+ }// dminiPointLigne > SeuildPointLigne
+ }// HasStartPoint
+ }// for( IterLOP ...
+ done = Standard_True;
+ return;
+}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+void IntPatch_PrmPrmIntersection::Perform(const Handle(Adaptor3d_HSurface)& Surf1,
+ const Handle(Adaptor3d_TopolTool)& D1,
+ const Handle(Adaptor3d_HSurface)& Surf2,
+ const Handle(Adaptor3d_TopolTool)& D2,
+ const Standard_Real U1Depart,
+ const Standard_Real V1Depart,
+ const Standard_Real U2Depart,
+ const Standard_Real V2Depart,
+ const Standard_Real TolTangency,
+ const Standard_Real Epsilon,
+ const Standard_Real Deflection,
+ const Standard_Real Increment) {
+
+
+
+// Standard_Integer NbU1 = D1->NbSamplesU();
+// Standard_Integer NbV1 = D1->NbSamplesV();
+// Standard_Integer NbU2 = D2->NbSamplesU();
+// Standard_Integer NbV2 = D2->NbSamplesV();
- TColStd_Array1OfReal StartParams(1,4);
- IntPatch_ThePWalkingInter PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,Increment);
+ //-- Traitement des Lignes de sections
+ empt = Standard_True;
+ done = Standard_True;
+ SLin.Clear();
+
+ //------------------------------------------------------------
- if(nbLigSec>=1) {
- Standard_Integer *TabL = new Standard_Integer [nbLigSec+1];
- Standard_Integer ls;
- for(ls=1;ls<=nbLigSec;ls++)
- TabL[ls]=ls;
+ Standard_Real pu1,pu2,pv1,pv2;
+
+ TColStd_Array1OfReal StartParams(1,4);
+
+// Standard_Integer MaxOscill = NbU1;
+// if(MaxOscill < NbU2) MaxOscill=NbU2;
+// if(MaxOscill < NbV1) MaxOscill=NbV1;
+// if(MaxOscill < NbV2) MaxOscill=NbV2;
+
+// Standard_Real nIncrement=Increment;
+// if(MaxOscill>10) {
+// #ifdef DEB
+// cout<<"\n IntPatch_PrmPrmIntersection.gxx : Increment:"<<Increment<<" -> "<<Increment/(0.5*MaxOscill)<<endl;
+// #endif
+// nIncrement/=0.5*MaxOscill;
+// }
+
+ IntPatch_ThePWalkingInter PW(Surf1,Surf2,
+ TolTangency,
+ Epsilon,
+ Deflection,
+ Increment); //nIncrement);
+
+
+ //Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
+ //Standard_Real incidence;
+ //Standard_Real dminiPointLigne;
+
+ Standard_Boolean HasStartPoint;//,RejetLigne;
+
+ IntSurf_PntOn2S StartPOn2S;
+
+ //Standard_Integer ver;
+
+ gp_Pnt Point3dDebut,Point3dFin;
+
+ //------------------------------------------------------------
+
+ StartParams(1) = U1Depart;
+ StartParams(2) = V1Depart;
+ StartParams(3) = U2Depart;
+ StartParams(4) = V2Depart;
+
+ //-----------------------------------------------------------------------
+ //-- Calcul du premier point de cheminement a partir du point approche --
+ //-----------------------------------------------------------------------
+ HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
+ if(HasStartPoint) {
+ //-------------------------------------------------
+ //-- Un point a ete trouve --
+ //-- On verifie qu il n appartient pas --
+ //-- a une ligne de cheminement deja calculee. --
+ //-------------------------------------------------
+
+ PW.Perform(StartParams);
+ if(PW.IsDone()) {
+
+ Point3dDebut = PW.Value(1).Value();
+ Point3dFin = PW.Value(PW.NbPoints()).Value();
- Standard_Boolean triok;
- do {
- triok=Standard_True;
- Standard_Integer b;
- for( b = 2; b <= nbLigSec; b++ ) {
- Standard_Integer nb_B = Interference.NbPointsInLine(TabL[b]);
- Standard_Integer nb_A = Interference.NbPointsInLine(TabL[b-1]);
- if( nb_B > nb_A ) {
- Standard_Integer tyu=TabL[b];
- TabL[b]=TabL[b-1];
- TabL[b-1]=tyu;
- triok=Standard_False;
- }
- }
- } while(triok==Standard_False);
- //
- for( ls = 1; ls <= nbLigSec; ls++) {
- Standard_Integer nbp, ilig, *TabPtDep;
- //
- nbp = Interference.NbPointsInLine(TabL[ls]);
- //modified by NIZNHY-PKV Fri Sep 5 15:19:28 2008f
+ IntSurf_TypeTrans trans1,trans2;
+ Standard_Real locu,locv;
+ gp_Vec norm1,norm2,d1u,d1v;
+ gp_Pnt ptbid;
+ Standard_Integer indextg;
+ gp_Vec tgline(PW.TangentAtLine(indextg));
+ PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
+ Surf1->D1(locu,locv,ptbid,d1u,d1v);
+ norm1 = d1u.Crossed(d1v);
+ PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
+ Surf2->D1(locu,locv,ptbid,d1u,d1v);
+ norm2 = d1u.Crossed(d1v);
+ if (tgline.DotCross(norm2,norm1)>0.) {
+ trans1 = IntSurf_Out;
+ trans2 = IntSurf_In;
+ }
+ else {
+ trans1 = IntSurf_In;
+ trans2 = IntSurf_Out;
+ }
+
+
+
+ Standard_Real TolTang = TolTangency;
+ Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
+ IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
+ IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
+
+ //---------------
+ if(wline->NbVertex() == 0) {
+ IntPatch_Point vtx;
+ IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
+ POn2S.Parameters(pu1,pv1,pu2,pv2);
+ vtx.SetValue(Point3dDebut,TolTang,Standard_False);
+ vtx.SetParameters(pu1,pv1,pu2,pv2);
+ vtx.SetParameter(1);
+ wline->AddVertex(vtx);
+
+ POn2S = PW.Line()->Value(wline->NbPnts());
+ POn2S.Parameters(pu1,pv1,pu2,pv2);
+ vtx.SetValue(Point3dFin,TolTang,Standard_False);
+ vtx.SetParameters(pu1,pv1,pu2,pv2);
+ vtx.SetParameter(wline->NbPnts());
+ wline->AddVertex(vtx);
+ }
+
+ //---------------
+ SLin.Append(wline);
+ empt = Standard_False;
+
+ }
+ }
+}
+//==================================================================================
+// function : AdjustOnPeriodic
+// purpose :
+//==================================================================================
+void AdjustOnPeriodic(const Handle(Adaptor3d_HSurface)& Surf1,
+ const Handle(Adaptor3d_HSurface)& Surf2,
+ IntPatch_SequenceOfLine& aSLin)
+{
+ Standard_Boolean bIsPeriodic[4], bModified, bIsNull, bIsPeriod;
+ Standard_Integer i, j, k, aNbLines, aNbPx, aIndx, aIndq;
+ Standard_Real aPeriod[4], dPeriod[4], ux[4], uq[4], aEps, du;
+ //
+ aEps=Precision::Confusion();
+ //
+ for (k=0; k<4; ++k) {
+ aPeriod[k]=0.;
+ }
+ //
+ bIsPeriodic[0]=Surf1->IsUPeriodic();
+ bIsPeriodic[1]=Surf1->IsVPeriodic();
+ bIsPeriodic[2]=Surf2->IsUPeriodic();
+ bIsPeriodic[3]=Surf2->IsVPeriodic();
+ //
+ if (bIsPeriodic[0]){
+ aPeriod[0]=Surf1->UPeriod();
+ }
+ if (bIsPeriodic[1]){
+ aPeriod[1]=Surf1->VPeriod();
+ }
+ if (bIsPeriodic[2]){
+ aPeriod[2]=Surf2->UPeriod();
+ }
+ if (bIsPeriodic[3]){
+ aPeriod[3]=Surf2->VPeriod();
+ }
+ //
+ for (k=0; k<4; ++k) {
+ dPeriod[k]=0.25*aPeriod[k];
+ }
+ //
+ aNbLines=aSLin.Length();
+ for (i=1; i<=aNbLines; ++i) {
+ Handle(IntPatch_WLine) aIL=Handle(IntPatch_WLine)::DownCast(aSLin.Value(i));
+ Handle(IntSurf_LineOn2S) aL=aIL->Curve();
+
+ aNbPx=aL->NbPoints();
+ if (aNbPx<10) {
+ continue;
+ }
+ //
+ for (j=0; j<2; ++j) {
+ bModified=Standard_False;
+ aIndx=1;
+ aIndq=2;
+ if (j) {
+ aIndx=aNbPx;
+ aIndq=aNbPx-1;
+ }
+ //
+ const IntSurf_PntOn2S& aPSx=aL->Value(aIndx);
+ const IntSurf_PntOn2S& aPSq=aL->Value(aIndq);
+ //
+ aPSx.Parameters(ux[0], ux[1], ux[2], ux[3]);
+ aPSq.Parameters(uq[0], uq[1], uq[2], uq[3]);
+ //
+ for (k=0; k<4; ++k) {
+ bIsNull=Standard_False;
+ bIsPeriod=Standard_False;
+ //
+ if (!bIsPeriodic[k]) {
+ continue;
+ }
+ //
+ if (fabs(ux[k])<aEps) {
+ bModified=Standard_True;
+ bIsNull=Standard_True;
+ }
+ //
+ else if (fabs(ux[k]-aPeriod[k])<aEps) {
+ bModified=Standard_True;
+ bIsPeriod=Standard_True;
+ }
+ //
+ if (bModified) {
+ du=fabs(ux[k]-uq[k]);
+ if (du > dPeriod[k]) {
+ if(bIsNull){
+ ux[k]=aPeriod[k];
+ }
+ if(bIsPeriod) {
+ ux[k]=0.;
+ }
+ }
+ }
+ }//for (k=0; k<4; ++k)
+ if (bModified) {
+ IntSurf_PntOn2S aPntOn2S;
+ //
+ aPntOn2S=aPSx;
+ aPntOn2S.SetValue(ux[0], ux[1], ux[2], ux[3]);
+ aL->Value(aIndx, aPntOn2S);
+ }
+ }//for (j=0; j<1; ++j) {
+ }//for (i=1; i<=aNbLines; ++i)
+}
+//==================================================================================
+// function : Perform
+// purpose : base SS Int. function
+//==================================================================================
+void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
+ const Handle(Adaptor3d_TopolTool)& D1,
+ const Handle(Adaptor3d_HSurface)& Surf2,
+ const Handle(Adaptor3d_TopolTool)& D2,
+ const Standard_Real TolTangency,
+ const Standard_Real Epsilon,
+ const Standard_Real Deflection,
+ const Standard_Real Increment,
+ const Standard_Boolean ClearFlag)
+{
+ Standard_Integer NbU1, NbV1, NbU2, NbV2, Limit;
+ //
+ D1->SamplePnts(Deflection, 10, 10);
+ D2->SamplePnts(Deflection, 10, 10);
+ //
+ NbU1 = D1->NbSamplesU();
+ NbV1 = D1->NbSamplesV();
+ NbU2 = D2->NbSamplesU();
+ NbV2 = D2->NbSamplesV();
+ TColStd_Array1OfReal anUpars1(1, NbU1), aVpars1(1, NbV1);
+ TColStd_Array1OfReal anUpars2(1, NbU2), aVpars2(1, NbV2);
+ //
+ D1->UParameters(anUpars1);
+ D1->VParameters(aVpars1);
+ D2->UParameters(anUpars2);
+ D2->VParameters(aVpars2);
+ //---------------------------------------------
+ Limit = 2500;
+ if((NbU1*NbV1<=Limit && NbV2*NbU2<=Limit)) {
+ empt = Standard_True;
+ if (ClearFlag){
+ SLin.Clear();
+ }
+ //
+ IntPolyh_Intersection* pInterference = NULL;
+
+ if ( D1->IsUniformSampling() || D2->IsUniformSampling() ) {
+ pInterference = new IntPolyh_Intersection(Surf1,NbU1,NbV1,Surf2,NbU2,NbV2);
+ }
+ else {
+ pInterference = new IntPolyh_Intersection(Surf1, anUpars1, aVpars1,
+ Surf2, anUpars2, aVpars2 );
+ }
+ if ( !pInterference ) {
+ done = Standard_False;
+ return;
+ }
+ //
+ IntPolyh_Intersection& Interference = *pInterference;
+ //
+ done = Interference.IsDone();
+ if( !done ) {
+ if (pInterference) {
+ delete pInterference;
+ pInterference = NULL;
+ }
+ return;
+ }
+
+ Standard_Real Deflection2 = Deflection*Deflection;
+ Standard_Integer nbLigSec = Interference.NbSectionLines();
+ Standard_Integer nbTanZon = Interference.NbTangentZones();
+ Standard_Real SeuildPointLigne = 15.0 * Increment * Increment;
+
+ Standard_Integer NbPntOn2SOnLine = 0, NbLigCalculee = 0, ver;
+ Standard_Real U1,U2,V1,V2, pu1,pu2,pv1,pv2, incidence, dminiPointLigne;
+ Standard_Boolean HasStartPoint,RejetLigne;
+ IntSurf_PntOn2S StartPOn2S;
+ gp_Pnt Point3dDebut,Point3dFin;
+
+ TColStd_Array1OfReal StartParams(1,4);
+ IntPatch_ThePWalkingInter PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,Increment);
+
+ if(nbLigSec>=1) {
+ Standard_Integer *TabL = new Standard_Integer [nbLigSec+1];
+ Standard_Integer ls;
+ for(ls=1; ls<=nbLigSec; ++ls){
+ TabL[ls]=ls;
+ }
+ //----------------------------------------1.1
+ Standard_Boolean triok;
+ do {
+ Standard_Integer b, nb_B, nb_A, tyu;
+ //
+ triok=Standard_True;
+ for( b = 2; b <= nbLigSec; ++b ) {
+ nb_B = Interference.NbPointsInLine(TabL[b]);
+ nb_A = Interference.NbPointsInLine(TabL[b-1]);
+ if( nb_B > nb_A ) {
+ tyu=TabL[b];
+ TabL[b]=TabL[b-1];
+ TabL[b-1]=tyu;
+ triok=Standard_False;
+ }
+ }
+ } while(triok==Standard_False);
+ //----------------------------------------
+ // 1.2 For the line "ls" get 2D-bounds U,V for surfaces 1,2
+ //
+ for( ls = 1; ls <= nbLigSec; ++ls) {
+ Standard_Integer nbp, ilig, *TabPtDep;
+ //
+ nbp = Interference.NbPointsInLine(TabL[ls]);
if (!nbp) {
continue;
}
- //modified by NIZNHY-PKV Fri Sep 5 15:19:31 2008t
- TabPtDep = new Standard_Integer [nbp+1];
//
- for( ilig = 1; ilig <= nbp; ilig++ )
+ TabPtDep = new Standard_Integer [nbp+1];
+ for( ilig = 1; ilig <= nbp; ++ilig ) {
TabPtDep[ilig]=0;
-
+ }
+ //
Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
Standard_Real _x,_y,_z;
-
- Interference.GetLinePoint(TabL[ls],1,_x,_y,_z,UminLig1,VminLig1,UminLig2,VminLig2,incidence);
+ //
+ Interference.GetLinePoint(TabL[ls], 1,
+ _x,_y,_z,
+ UminLig1, VminLig1, UminLig2, VminLig2,
+ incidence);
UmaxLig1=UminLig1;
VmaxLig1=VminLig1;
UmaxLig2=UminLig2;
VmaxLig2=VminLig2;
-
+ //
for( ilig = 2; ilig <= nbp; ilig++ ) {
Interference.GetLinePoint(TabL[ls],ilig,_x,_y,_z,U1,V1,U2,V2,incidence);
-
+ //
if(U1>UmaxLig1) UmaxLig1=U1;
if(V1>VmaxLig1) VmaxLig1=V1;
if(U2>UmaxLig2) UmaxLig2=U2;
if(V2>VmaxLig2) VmaxLig2=V2;
-
+ //
if(U1<UminLig1) UminLig1=U1;
if(V1<VminLig1) VminLig1=V1;
if(U2<UminLig2) UminLig2=U2;
if(V2<VminLig2) VminLig2=V2;
- }
-
+ }//for( ilig = 2; ilig <= nbp; ilig++ ) {
+ //
+ //----------------------------------------
+ // 1.3
Standard_Integer nbps2 = (nbp>3)? (nbp/2) : 1;
Standard_Integer NombreDePointsDeDepartDuCheminement = 0;
Standard_Boolean lignetrouvee=Standard_False;
if(dminiPointLigne > SeuildPointLigne) {
PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
- //xf
+ //
Standard_Boolean bPWIsDone;
Standard_Integer iPWNbPoints, aNbPointsVer;
Standard_Real aD11, aD12, aD21, aD22, aDx;
//
bPWIsDone=PW.IsDone();
- //xt
if(bPWIsDone) {
iPWNbPoints=PW.NbPoints();
//
if( iPWNbPoints > 2 ) {
RejetLigne = Standard_False;
Point3dDebut = PW.Value(1).Value();
- Point3dFin = PW.Value(PW.NbPoints()).Value();
- for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
+ Point3dFin = PW.Value(iPWNbPoints).Value();
+ for( ver = 1; (!RejetLigne) && (ver<= NbLigCalculee); ++ver) {
const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
//
aNbPointsVer=verwline->NbPnts();
gp_Dir aDir12(aVec12);
gp_Lin aLin12(aP1, aDir12);
aDx=aLin12.Distance(aPx);
- if (aDx<=TolTangency) {
+ //modified by NIZNHY-PKV Tue May 10 11:08:07 2011f
+ if (aDx<=2.*Epsilon) {
+ //if (aDx<=TolTangency) {
+ //modified by NIZNHY-PKV Tue May 10 11:08:13 2011t
RejetLigne = Standard_True;
break;
}
- }
- }
- }
+ }//for(m=1; m<iPWNbPoints; ++m){
+ }//if((aD11<=TolTangency && aD22<=TolTangency) ||...
+ }// for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
//
if(!RejetLigne) {
IntSurf_TypeTrans trans1,trans2;
//-- Fin d exploration des lignes
- if(dminiPointLigne > SeuildPointLigne) {
- //---------------------------------------------------
- //-- Le point de depart du nouveau cheminement --
- //-- n est present dans aucune ligne deja calculee.--
- //---------------------------------------------------
- PW.Perform(StartParams,
- UminLig1,VminLig1,UminLig2,VminLig2,
- UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
- if(PW.IsDone()) {
- if(PW.NbPoints()>2) {
- //-----------------------------------------------
- //-- Verification a posteriori :
- //-- On teste si le point de depart et de fin de
- //-- la ligne de cheminement est present dans une
- //-- autre ligne .
- //-----------------------------------------------
- RejetLigne = Standard_False;
- Point3dDebut = PW.Value(1).Value();
- Point3dFin = PW.Value(PW.NbPoints()).Value();
-
- for(ver=1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
- const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
- //-- Handle(IntPatch_WLine) verwline=Handle(IntPatch_WLine)::DownCast(SLin.Value(ver));
- const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
- const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
- if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency) {
- RejetLigne = Standard_True;
- }
- else {
- if(Point3dFin.Distance(verPointFin.Value()) < TolTangency) {
- RejetLigne = Standard_True;
- }
- }
- }
-
- if(!RejetLigne) {
-
- IntSurf_TypeTrans trans1,trans2;
- Standard_Real locu,locv;
- gp_Vec norm1,norm2,d1u,d1v;
- gp_Pnt ptbid;
- Standard_Integer indextg;
- gp_Vec tgline(PW.TangentAtLine(indextg));
- PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
- Surf1->D1(locu,locv,ptbid,d1u,d1v);
- norm1 = d1u.Crossed(d1v);
- PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
- Surf2->D1(locu,locv,ptbid,d1u,d1v);
- norm2 = d1u.Crossed(d1v);
- if (tgline.DotCross(norm2,norm1)>0.) {
- trans1 = IntSurf_Out;
- trans2 = IntSurf_In;
- }
- else {
- trans1 = IntSurf_In;
- trans2 = IntSurf_Out;
- }
-
-
-
- Standard_Real TolTang = TolTangency;
- Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
- IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
- IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
-
-//---------------
- if(wline->NbVertex() == 0) {
- IntPatch_Point vtx;
- IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
- POn2S.Parameters(pu1,pv1,pu2,pv2);
- vtx.SetValue(Point3dDebut,TolTang,Standard_False);
- vtx.SetParameters(pu1,pv1,pu2,pv2);
- vtx.SetParameter(1);
- wline->AddVertex(vtx);
-
- POn2S = PW.Line()->Value(wline->NbPnts());
- POn2S.Parameters(pu1,pv1,pu2,pv2);
- vtx.SetValue(Point3dFin,TolTang,Standard_False);
- vtx.SetParameters(pu1,pv1,pu2,pv2);
- vtx.SetParameter(wline->NbPnts());
- wline->AddVertex(vtx);
- }
-
-//---------------
- SLin.Append(wline);
- empt = Standard_False;
-
- }
- else {
- //-- cout<<" ----- REJET DE LIGNE (POINT DE DEPART) ----- "<<endl;
- }
- //------------------------------------------------------------
- }
- } //-- le cheminement a reussi (done a True)
- } //-- le point approche ne renvoie pas sur une ligne existante
- } //-- Si HasStartPoint
- //} //-- Boucle Sur les Points de la Tangent Zone
- } //-- Boucle sur Les Tangent Zones
-
- if ( pInterference ) {
- delete pInterference;
- pInterference = NULL;
- }
- return;
- }
-
- Handle(IntSurf_LineOn2S) LOn2S = new IntSurf_LineOn2S();
- PointDepart( LOn2S, Surf1, NbU1, NbV1, Surf2, NbU2, NbV2 );
- empt = Standard_True;
- done = Standard_True;
- SLin.Clear();
- Standard_Real Deflection2 = Deflection*Deflection;
-
- Standard_Integer NbPntOn2SOnLine;
- Standard_Integer NbLigCalculee = 0;
- Standard_Real U1,U2,V1,V2;
- Standard_Real pu1,pu2,pv1,pv2;
-
- TColStd_Array1OfReal StartParams(1,4);
- Standard_Integer MaxOscill = NbU1;
- if(MaxOscill < NbU2) MaxOscill=NbU2;
- if(MaxOscill < NbV1) MaxOscill=NbV1;
- if(MaxOscill < NbV2) MaxOscill=NbV2;
-
- Standard_Real nIncrement=Increment;
- //if(MaxOscill>10)
- //nIncrement/=0.5*MaxOscill;
-
- IntPatch_ThePWalkingInter PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,nIncrement);
- Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
- Standard_Real dminiPointLigne;
- Standard_Boolean HasStartPoint,RejetLigne;
- IntSurf_PntOn2S StartPOn2S;
- Standard_Integer ver;
- gp_Pnt Point3dDebut,Point3dFin;
-
- //------------------------------------------------------------
- //-- Calcul des parametres approches a partir des Zones De Tangence --
- //--------------------------------------------------------------------
- Standard_Integer nbTanZon = LOn2S->NbPoints();
- for(Standard_Integer z=1; z <= nbTanZon; z++) {
- const IntSurf_PntOn2S& POn2S = LOn2S->Value(z);
- POn2S.Parameters(U1,V1,U2,V2);
- StartParams(1) = U1;
- StartParams(2) = V1;
- StartParams(3) = U2;
- StartParams(4) = V2;
-
- //-----------------------------------------------------------------------
- //-- Calcul du premier point de cheminement a partir du point approche --
- //-----------------------------------------------------------------------
- HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
- if(HasStartPoint) {
- //-------------------------------------------------
- //-- Un point a ete trouve --
- //-- On verifie qu il n appartient pas --
- //-- a une ligne de cheminement deja calculee. --
- //-------------------------------------------------
- StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
-
- NbLigCalculee = SLin.Length();
- dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
-
- for(Standard_Integer l=1;
- (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne);
- l++) {
- const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
-
- if( (testwline->IsOutSurf1Box(gp_Pnt2d(pu1,pv1))==Standard_False)
- &&(testwline->IsOutSurf2Box(gp_Pnt2d(pu2,pv2))==Standard_False)
- &&(testwline->IsOutBox(StartPOn2S.Value())==Standard_False)) {
-
- NbPntOn2SOnLine = testwline->NbPnts();
- for(Standard_Integer ll=1;
- (ll < NbPntOn2SOnLine) && (dminiPointLigne >= SeuildPointLigne);
- ll++) {
-
- const gp_Pnt& Pa = testwline->Point(ll).Value();
- const gp_Pnt& Pb = testwline->Point(ll+1).Value();
- const gp_Pnt& PStart=StartPOn2S.Value();
- gp_Vec AM(Pa,PStart);
- gp_Vec MB(PStart,Pb);
- Standard_Real AMMB = AM.Dot(MB);
- if(AMMB > 0.0) {
- gp_Dir ABN(Pb.X()-Pa.X(),Pb.Y()-Pa.Y(),Pb.Z()-Pa.Z());
- Standard_Real lan = ABN.X()*AM.X()+ABN.Y()*AM.Y()+ABN.Z()*AM.Z();
- gp_Vec AH(lan*ABN.X(),lan*ABN.Y(),lan*ABN.Z());
- gp_Vec HM(AM.X()-AH.X(),AM.Y()-AH.Y(),AM.Z()-AH.Z());
-
- Standard_Real d = 0.0;
- if(HM.X() < Deflection) {
- d+=HM.X()*HM.X();
- if(HM.Y() < Deflection) {
- d+=HM.Y()*HM.Y();
- if(HM.Z() < Deflection) {
- d+=HM.Z()*HM.Z();
- }
- else {
- d=Deflection2;
- }
- }
- else {
- d=Deflection2;
- }
- }
- else {
- d=Deflection2;
- }
- if(d<Deflection2) {
- dminiPointLigne = 0.0;
- }
- }
- else {
- Standard_Real dab = Pa.Distance(Pb);
- Standard_Real dap = Pa.Distance(PStart);
- if(dap < dab) {
- dminiPointLigne=0;
- }
- else {
- Standard_Real dbp = Pb.Distance(PStart);
- if(dbp < dab) {
- dminiPointLigne=0;
- }
- }
- }
- }
- } //-- Rejections Boites
- //-- else {
- //-- cout<<" Rejet Boites "<<endl;
- //-- }
- }
-
-
- //-- Fin d exploration des lignes
- if(dminiPointLigne > SeuildPointLigne) {
- //---------------------------------------------------
- //-- Le point de depart du nouveau cheminement --
- //-- n est present dans aucune ligne deja calculee.--
- //---------------------------------------------------
- PW.Perform(StartParams);
- if(PW.IsDone()) {
- if(PW.NbPoints()>2) {
- //-----------------------------------------------
- //-- Verification a posteriori :
- //-- On teste si le point de depart et de fin de
- //-- la ligne de cheminement est present dans une
- //-- autre ligne .
- //-----------------------------------------------
- RejetLigne = Standard_False;
- Point3dDebut = PW.Value(1).Value();
- Point3dFin = PW.Value(PW.NbPoints()).Value();
-
- for(ver=1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
- const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
- //-- Handle(IntPatch_WLine) verwline=Handle(IntPatch_WLine)::DownCast(SLin.Value(ver));
- const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
- const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
- if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency) {
- RejetLigne = Standard_True;
- }
- else {
- if(Point3dFin.Distance(verPointFin.Value()) < TolTangency) {
- RejetLigne = Standard_True;
- }
- }
- }
-
- if(!RejetLigne) {
-
- IntSurf_TypeTrans trans1,trans2;
- Standard_Real locu,locv;
- gp_Vec norm1,norm2,d1u,d1v;
- gp_Pnt ptbid;
- Standard_Integer indextg;
- gp_Vec tgline(PW.TangentAtLine(indextg));
- PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
- Surf1->D1(locu,locv,ptbid,d1u,d1v);
- norm1 = d1u.Crossed(d1v);
- PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
- Surf2->D1(locu,locv,ptbid,d1u,d1v);
- norm2 = d1u.Crossed(d1v);
- if (tgline.DotCross(norm2,norm1)>0.) {
- trans1 = IntSurf_Out;
- trans2 = IntSurf_In;
- }
- else {
- trans1 = IntSurf_In;
- trans2 = IntSurf_Out;
- }
-
-
-
- Standard_Real TolTang = TolTangency;
- Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
- IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
- IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
-
- //---------------
- if(wline->NbVertex() == 0) {
- IntPatch_Point vtx;
- const IntSurf_PntOn2S& POn2Sf = PW.Line()->Value(1);
- POn2Sf.Parameters(pu1,pv1,pu2,pv2);
- vtx.SetValue(Point3dDebut,TolTang,Standard_False);
- vtx.SetParameters(pu1,pv1,pu2,pv2);
- vtx.SetParameter(1);
- wline->AddVertex(vtx);
-
- const IntSurf_PntOn2S& POn2Sl = PW.Line()->Value(wline->NbPnts());
- POn2Sl.Parameters(pu1,pv1,pu2,pv2);
- vtx.SetValue(Point3dFin,TolTang,Standard_False);
- vtx.SetParameters(pu1,pv1,pu2,pv2);
- vtx.SetParameter(wline->NbPnts());
- wline->AddVertex(vtx);
- }
-
- //---------------
- SLin.Append(wline);
- empt = Standard_False;
-
- }
- else {
- //-- cout<<" ----- REJET DE LIGNE (POINT DE DEPART) ----- "<<endl;
- }
- //------------------------------------------------------------
- }
- } //-- le cheminement a reussi (done a True)
- } //-- le point approche ne renvoie pas sur une ligne existante
- } //-- Si HasStartPoint
- } //-- Boucle sur Les Tangent Zones
-
-}
-// modified by NIZHNY-AMV Tue Oct 18 12:37:02 2005
-void IntPatch_PrmPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
- const Handle(Adaptor3d_TopolTool)& D1,
- const Handle(Adaptor3d_HSurface)& Surf2,
- const Handle(Adaptor3d_TopolTool)& D2,
- const Standard_Real TolTangency,
- const Standard_Real Epsilon,
- const Standard_Real Deflection,
- const Standard_Real Increment,
- IntSurf_ListOfPntOn2S& LOfPnts,
- const Standard_Boolean RestrictLine)
-{
- if (LOfPnts.IsEmpty()){
- done = Standard_True;
- return;
- }
-
- empt = Standard_True;
- SLin.Clear();
-
- Standard_Real UminLig1,VminLig1,UmaxLig1,VmaxLig1;
- Standard_Real UminLig2,VminLig2,UmaxLig2,VmaxLig2;
- Standard_Real U1,U2,V1,V2;
-
- UminLig1 = Surf1->FirstUParameter();
- VminLig1 = Surf1->FirstVParameter();
- UmaxLig1 = Surf1->LastUParameter();
- VmaxLig1 = Surf1->LastVParameter();
- UminLig2 = Surf2->FirstUParameter();
- VminLig2 = Surf2->FirstVParameter();
- UmaxLig2 = Surf2->LastUParameter();
- VmaxLig2 = Surf2->LastVParameter();
-
- IntSurf_ListIteratorOfListOfPntOn2S IterLOP1(LOfPnts);
-
- for(; IterLOP1.More(); IterLOP1.Next()){
- IntSurf_PntOn2S Pnt = IterLOP1.Value();
- Pnt.Parameters(U1, V1, U2, V2);
- if(U1>UmaxLig1) UmaxLig1=U1;
- if(V1>VmaxLig1) VmaxLig1=V1;
- if(U2>UmaxLig2) UmaxLig2=U2;
- if(V2>VmaxLig2) VmaxLig2=V2;
-
- if(U1<UminLig1) UminLig1=U1;
- if(V1<VminLig1) VminLig1=V1;
- if(U2<UminLig2) UminLig2=U2;
- if(V2<VminLig2) VminLig2=V2;
- }
-
- Standard_Real Deflection2 = Deflection*Deflection;
-
- Standard_Real SeuildPointLigne = 15.0 * Increment * Increment;
-
- Standard_Integer NbPntOn2SOnLine = 0, NbLigCalculee = 0, ver;
- Standard_Real pu1,pu2,pv1,pv2, dminiPointLigne;
- Standard_Boolean HasStartPoint,RejetLigne;
- IntSurf_PntOn2S StartPOn2S;
- gp_Pnt Point3dDebut,Point3dFin;
-
- TColStd_Array1OfReal StartParams(1,4);
- IntPatch_ThePWalkingInter PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,Increment);
-
- IntSurf_ListIteratorOfListOfPntOn2S IterLOP2(LOfPnts);
- for(; IterLOP2.More(); IterLOP2.Next() ){
-
- IntSurf_PntOn2S cPnt = IterLOP2.Value();
- cPnt.Parameters(U1, V1, U2, V2);
-
- StartParams(1) = U1;
- StartParams(2) = V1;
- StartParams(3) = U2;
- StartParams(4) = V2;
-
- HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
- dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
- if(HasStartPoint) {
- StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
- NbLigCalculee = SLin.Length();
- Standard_Integer l;
- for( l = 1; (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne); l++) {
- Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.ChangeValue(l));
- if( (testwline->IsOutSurf1Box(gp_Pnt2d(pu1,pv1))==Standard_False) &&
- (testwline->IsOutSurf2Box(gp_Pnt2d(pu2,pv2))==Standard_False) &&
- (testwline->IsOutBox(StartPOn2S.Value())==Standard_False) ) {
- NbPntOn2SOnLine = testwline->NbPnts();
- Standard_Integer ll;
- for( ll = 1; (ll < NbPntOn2SOnLine) && (dminiPointLigne >= SeuildPointLigne); ll++) {
- const gp_Pnt &Pa = testwline->Point(ll).Value();
- const gp_Pnt &Pb = testwline->Point(ll+1).Value();
- const gp_Pnt &PStart = StartPOn2S.Value();
- gp_Vec AM(Pa,PStart);
- gp_Vec MB(PStart,Pb);
- Standard_Real AMMB = AM.Dot(MB);
- if(AMMB > 0.0) {
- gp_Dir ABN(Pb.X()-Pa.X(),Pb.Y()-Pa.Y(),Pb.Z()-Pa.Z());
- Standard_Real lan = ABN.X()*AM.X()+ABN.Y()*AM.Y()+ABN.Z()*AM.Z();
- gp_Vec AH(lan*ABN.X(),lan*ABN.Y(),lan*ABN.Z());
- gp_Vec HM(AM.X()-AH.X(),AM.Y()-AH.Y(),AM.Z()-AH.Z());
- Standard_Real d = 0.0;
- if(HM.X() < Deflection) {
- d+=HM.X()*HM.X();
- if(HM.Y() < Deflection) {
- d+=HM.Y()*HM.Y();
- if(HM.Z() < Deflection)
- d+=HM.Z()*HM.Z();
- else
- d=Deflection2;
- }
- else
- d=Deflection2;
- }
- else
- d=Deflection2;
-
- if(d<Deflection2)
- dminiPointLigne = 0.0;
- }
- else {
- Standard_Real dab = Pa.SquareDistance(Pb);
- Standard_Real dap = Pa.SquareDistance(PStart);
- if(dap < dab)
- dminiPointLigne=0;
- else {
- Standard_Real dbp = Pb.SquareDistance(PStart);
- if(dbp < dab)
- dminiPointLigne=0;
- }
- }
- }// for( ll ...
- }// if ...
- }// for( l ...
-
- if(dminiPointLigne > SeuildPointLigne) {
- PW.Perform(StartParams,UminLig1,VminLig1,UminLig2,VminLig2,UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
- if(PW.IsDone()) {
- if(PW.NbPoints()>2) {
- RejetLigne = Standard_False;
- Point3dDebut = PW.Value(1).Value();
- Point3dFin = PW.Value(PW.NbPoints()).Value();
- for( ver = 1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
- const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
- const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
- const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
- if(Point3dDebut.Distance(verPointDebut.Value()) <= TolTangency) {
- if(Point3dFin.Distance(verPointFin.Value()) <= TolTangency)
- RejetLigne = Standard_True;
- }
- }
-
- if(!RejetLigne) {
- IntSurf_TypeTrans trans1,trans2;
- Standard_Real locu,locv;
- gp_Vec norm1,norm2,d1u,d1v;
- gp_Pnt ptbid;
- Standard_Integer indextg;
- gp_Vec tgline(PW.TangentAtLine(indextg));
- PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
- Surf1->D1(locu,locv,ptbid,d1u,d1v);
- norm1 = d1u.Crossed(d1v);
- PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
- Surf2->D1(locu,locv,ptbid,d1u,d1v);
- norm2 = d1u.Crossed(d1v);
- if( tgline.DotCross(norm2,norm1) >= 0. ) {
- trans1 = IntSurf_Out;
- trans2 = IntSurf_In;
- }
- else {
- trans1 = IntSurf_In;
- trans2 = IntSurf_Out;
- }
-
- Standard_Real TolTang = TolTangency;
- Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
- if (RestrictLine){
- IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
- IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
- }
-
- if(wline->NbVertex() == 0) {
- IntPatch_Point vtx;
- IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
- POn2S.Parameters(pu1,pv1,pu2,pv2);
- vtx.SetValue(Point3dDebut,TolTang,Standard_False);
- vtx.SetParameters(pu1,pv1,pu2,pv2);
- vtx.SetParameter(1);
- wline->AddVertex(vtx);
-
- POn2S = PW.Line()->Value(wline->NbPnts());
- POn2S.Parameters(pu1,pv1,pu2,pv2);
- vtx.SetValue(Point3dFin,TolTang,Standard_False);
- vtx.SetParameters(pu1,pv1,pu2,pv2);
- vtx.SetParameter(wline->NbPnts());
- wline->AddVertex(vtx);
- }
-
- Standard_Integer slinlen = SLin.Length();
- if( slinlen > 0 ) {
- Standard_Integer cnbV = wline->NbVertex();
- Standard_Integer ciV;
- for( ciV = 1; ciV <= cnbV; ciV++ ) {
- Standard_Real pntDMin = 1.e+100;
- Standard_Integer VDMin = 0;
- Standard_Integer WLDMin = 0;
- gp_Pnt cPV = wline->Vertex(ciV).Value();
- Standard_Integer iL;
- for( iL = 1; iL <= slinlen; iL++) {
- const Handle(IntPatch_Line)& aSLine = SLin.Value(iL);
- IntPatch_IType aType = aSLine->ArcType();
- if( aType != IntPatch_Walking)
- continue;
- const Handle(IntPatch_WLine)& aWLine = (*((Handle(IntPatch_WLine)*)&aSLine));
- Standard_Integer tnbV = aWLine->NbVertex();
- Standard_Integer tiV;
- for( tiV = 1; tiV <= tnbV; tiV++ ) {
- gp_Pnt tPV = aWLine->Vertex(tiV).Value();
- Standard_Real tDistance = cPV.Distance(tPV);
- Standard_Real uRs1 = Surf1->Surface().UResolution(tDistance);
- Standard_Real vRs1 = Surf1->Surface().VResolution(tDistance);
- Standard_Real uRs2 = Surf2->Surface().UResolution(tDistance);
- Standard_Real vRs2 = Surf2->Surface().VResolution(tDistance);
- Standard_Real RmaxS1 = Max(uRs1,vRs1);
- Standard_Real RmaxS2 = Max(uRs2,vRs2);
- if(RmaxS1 < 1.e-4 && RmaxS2 < 1.e-4) {
- if( pntDMin > tDistance && tDistance > 1.e-9) {
- pntDMin = tDistance;
- VDMin = tiV;
- WLDMin = iL;
- }
- }
- }
- }
-
- if( VDMin != 0 ) {
- const Handle(IntPatch_Line)& aSLine = SLin.Value(WLDMin);
- const Handle(IntPatch_WLine)& aWLine = (*((Handle(IntPatch_WLine)*)&aSLine));
- Standard_Integer tiVpar = (Standard_Integer)aWLine->Vertex(VDMin).ParameterOnLine();
- Standard_Integer ciVpar = (Standard_Integer)wline->Vertex(ciV).ParameterOnLine();
- Standard_Real u11 = 0., u12 = 0., v11 = 0., v12 = 0.;
- Standard_Real u21 = 0., u22 = 0., v21 = 0., v22 = 0.;
- wline->Point(ciVpar).Parameters(u11,v11,u12,v12);
- aWLine->Point(tiVpar).Parameters(u21,v21,u22,v22);
-
- Handle(IntSurf_LineOn2S) newL2s = new IntSurf_LineOn2S();
- IntSurf_PntOn2S replacePnt = aWLine->Point(tiVpar);
- Standard_Integer cNbP = wline->NbPnts();
-
- TColStd_SequenceOfInteger VPold;
- Standard_Integer iPo;
- for( iPo = 1; iPo <= cnbV; iPo++ ) {
- Standard_Real Po = wline->Vertex(iPo).ParameterOnLine();
- Standard_Integer IPo = (Standard_Integer) Po;
- VPold.Append(IPo);
- }
-
- Standard_Boolean removeNext = Standard_False;
- Standard_Boolean removePrev = Standard_False;
- if( ciV == 1) {
- Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
- if(dPar > 10) {
- removeNext = Standard_True;
- for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
- VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
- }
- }
- else if( ciV == cnbV) {
- Standard_Integer dPar = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
- if(dPar > 10) {
- removePrev = Standard_True;
- VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
- }
- }
- else {
- Standard_Integer dParMi = Abs( VPold.Value(ciV) - VPold.Value(ciV-1));
- Standard_Integer dParMa = Abs( VPold.Value(ciV) - VPold.Value(ciV+1));
- if(dParMi > 10) {
- removePrev = Standard_True;
- VPold.SetValue(ciV, VPold.Value(ciV) - 1 );
- }
- if(dParMa > 10) {
- removeNext = Standard_True;
- for( iPo = (ciV+1); iPo <= cnbV; iPo++ ) {
- if(dParMi > 10)
- VPold.SetValue(iPo, VPold.Value(iPo) - 2 );
- else
- VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
- }
- }
- else {
- if(dParMi > 10)
- for( iPo = (ciV+1); iPo <= cnbV; iPo++ )
- VPold.SetValue(iPo, VPold.Value(iPo) - 1 );
- }
- }
- Standard_Integer pI = (Standard_Integer) ciVpar;
-
- Standard_Integer iP;
- for( iP = 1; iP <= cNbP; iP++) {
- if( pI == iP )
- newL2s->Add(replacePnt);
- else if(removeNext && iP == (pI + 1))
- continue;
- else if(removePrev && iP == (pI - 1))
- continue;
- else
- newL2s->Add(wline->Point(iP));
- }
-
- IntPatch_Point newVtx;
- gp_Pnt Pnt3dV = aWLine->Vertex(VDMin).Value();
- newVtx.SetValue(Pnt3dV,TolTang,Standard_False);
- newVtx.SetParameters(u21,v21,u22,v22);
- newVtx.SetParameter(VPold.Value(ciV));
-
- Handle(IntPatch_WLine) NWLine = new IntPatch_WLine(newL2s,Standard_False,trans1,trans2);
-
- Standard_Integer iV;
- for( iV = 1; iV <= cnbV; iV++ ) {
- if( iV == ciV )
- NWLine->AddVertex(newVtx);
- else {
- IntPatch_Point theVtx = wline->Vertex(iV);
- theVtx.SetParameter(VPold.Value(iV));
- NWLine->AddVertex(theVtx);
- }
- }
-
- wline = NWLine;
- }
- }
- }// SLin.Length > 0
-
- SLin.Append(wline);
- empt = Standard_False;
- }// !RejetLigne
- }// PW points > 2
- }// done is True
- }// dminiPointLigne > SeuildPointLigne
- }// HasStartPoint
- }// for( IterLOP ...
- done = Standard_True;
- return;
-}
+ if(dminiPointLigne > SeuildPointLigne) {
+ //---------------------------------------------------
+ //-- Le point de depart du nouveau cheminement --
+ //-- n est present dans aucune ligne deja calculee.--
+ //---------------------------------------------------
+ PW.Perform(StartParams,
+ UminLig1,VminLig1,UminLig2,VminLig2,
+ UmaxLig1,VmaxLig1,UmaxLig2,VmaxLig2);
+ if(PW.IsDone()) {
+ if(PW.NbPoints()>2) {
+ //-----------------------------------------------
+ //-- Verification a posteriori :
+ //-- On teste si le point de depart et de fin de
+ //-- la ligne de cheminement est present dans une
+ //-- autre ligne .
+ //-----------------------------------------------
+ RejetLigne = Standard_False;
+ Point3dDebut = PW.Value(1).Value();
+ Point3dFin = PW.Value(PW.NbPoints()).Value();
+
+ for(ver=1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
+ const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
+ //-- Handle(IntPatch_WLine) verwline=Handle(IntPatch_WLine)::DownCast(SLin.Value(ver));
+ const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
+ const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
+ if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency) {
+ RejetLigne = Standard_True;
+ }
+ else {
+ if(Point3dFin.Distance(verPointFin.Value()) < TolTangency) {
+ RejetLigne = Standard_True;
+ }
+ }
+ }
+
+ if(!RejetLigne) {
-//======================================================================
-void IntPatch_PrmPrmIntersection::Perform(const Handle(Adaptor3d_HSurface)& Surf1,
- const Handle(Adaptor3d_TopolTool)& D1,
- const Handle(Adaptor3d_HSurface)& Surf2,
- const Handle(Adaptor3d_TopolTool)& D2,
- const Standard_Real U1Depart,
- const Standard_Real V1Depart,
- const Standard_Real U2Depart,
- const Standard_Real V2Depart,
- const Standard_Real TolTangency,
- const Standard_Real Epsilon,
- const Standard_Real Deflection,
- const Standard_Real Increment) {
-
-
-
-// Standard_Integer NbU1 = D1->NbSamplesU();
-// Standard_Integer NbV1 = D1->NbSamplesV();
-// Standard_Integer NbU2 = D2->NbSamplesU();
-// Standard_Integer NbV2 = D2->NbSamplesV();
+ IntSurf_TypeTrans trans1,trans2;
+ Standard_Real locu,locv;
+ gp_Vec norm1,norm2,d1u,d1v;
+ gp_Pnt ptbid;
+ Standard_Integer indextg;
+ gp_Vec tgline(PW.TangentAtLine(indextg));
+ PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
+ Surf1->D1(locu,locv,ptbid,d1u,d1v);
+ norm1 = d1u.Crossed(d1v);
+ PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
+ Surf2->D1(locu,locv,ptbid,d1u,d1v);
+ norm2 = d1u.Crossed(d1v);
+ if (tgline.DotCross(norm2,norm1)>0.) {
+ trans1 = IntSurf_Out;
+ trans2 = IntSurf_In;
+ }
+ else {
+ trans1 = IntSurf_In;
+ trans2 = IntSurf_Out;
+ }
+
+
+
+ Standard_Real TolTang = TolTangency;
+ Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
+ IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
+ IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
+
+ //---------------
+ if(wline->NbVertex() == 0) {
+ IntPatch_Point vtx;
+ IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
+ POn2S.Parameters(pu1,pv1,pu2,pv2);
+ vtx.SetValue(Point3dDebut,TolTang,Standard_False);
+ vtx.SetParameters(pu1,pv1,pu2,pv2);
+ vtx.SetParameter(1);
+ wline->AddVertex(vtx);
+
+ POn2S = PW.Line()->Value(wline->NbPnts());
+ POn2S.Parameters(pu1,pv1,pu2,pv2);
+ vtx.SetValue(Point3dFin,TolTang,Standard_False);
+ vtx.SetParameters(pu1,pv1,pu2,pv2);
+ vtx.SetParameter(wline->NbPnts());
+ wline->AddVertex(vtx);
+ }
+
+ //---------------
+ SLin.Append(wline);
+ empt = Standard_False;
+
+ }
+ else {
+ //-- cout<<" ----- REJET DE LIGNE (POINT DE DEPART) ----- "<<endl;
+ }
+ //------------------------------------------------------------
+ }
+ } //-- le cheminement a reussi (done a True)
+ } //-- le point approche ne renvoie pas sur une ligne existante
+ } //-- Si HasStartPoint
+ //} //-- Boucle Sur les Points de la Tangent Zone
+ } //-- Boucle sur Les Tangent Zones
- //-- Traitement des Lignes de sections
+ if ( pInterference ) {
+ delete pInterference;
+ pInterference = NULL;
+ }
+ return;
+ }// if((NbU1*NbV1<=Limit && NbV2*NbU2<=Limit)) {
+
+ Handle(IntSurf_LineOn2S) LOn2S = new IntSurf_LineOn2S();
+ PointDepart( LOn2S, Surf1, NbU1, NbV1, Surf2, NbU2, NbV2 );
empt = Standard_True;
done = Standard_True;
SLin.Clear();
+ Standard_Real Deflection2 = Deflection*Deflection;
- //------------------------------------------------------------
-
+ Standard_Integer NbPntOn2SOnLine;
+ Standard_Integer NbLigCalculee = 0;
+ Standard_Real U1,U2,V1,V2;
Standard_Real pu1,pu2,pv1,pv2;
TColStd_Array1OfReal StartParams(1,4);
+ Standard_Integer MaxOscill = NbU1;
+ if(MaxOscill < NbU2) MaxOscill=NbU2;
+ if(MaxOscill < NbV1) MaxOscill=NbV1;
+ if(MaxOscill < NbV2) MaxOscill=NbV2;
-// Standard_Integer MaxOscill = NbU1;
-// if(MaxOscill < NbU2) MaxOscill=NbU2;
-// if(MaxOscill < NbV1) MaxOscill=NbV1;
-// if(MaxOscill < NbV2) MaxOscill=NbV2;
-
-// Standard_Real nIncrement=Increment;
-// if(MaxOscill>10) {
-// #ifdef DEB
-// cout<<"\n IntPatch_PrmPrmIntersection.gxx : Increment:"<<Increment<<" -> "<<Increment/(0.5*MaxOscill)<<endl;
-// #endif
-// nIncrement/=0.5*MaxOscill;
-// }
-
- IntPatch_ThePWalkingInter PW(Surf1,Surf2,
- TolTangency,
- Epsilon,
- Deflection,
- Increment); //nIncrement);
-
-
- //Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
- //Standard_Real incidence;
- //Standard_Real dminiPointLigne;
-
- Standard_Boolean HasStartPoint;//,RejetLigne;
-
+ Standard_Real nIncrement=Increment;
+ //if(MaxOscill>10)
+ //nIncrement/=0.5*MaxOscill;
+
+ IntPatch_ThePWalkingInter PW(Surf1,Surf2,TolTangency,Epsilon,Deflection,nIncrement);
+ Standard_Real SeuildPointLigne = 15.0 * Increment * Increment; //-- 10 est insuffisant
+ Standard_Real dminiPointLigne;
+ Standard_Boolean HasStartPoint,RejetLigne;
IntSurf_PntOn2S StartPOn2S;
-
- //Standard_Integer ver;
-
+ Standard_Integer ver;
gp_Pnt Point3dDebut,Point3dFin;
-
+
//------------------------------------------------------------
-
- StartParams(1) = U1Depart;
- StartParams(2) = V1Depart;
- StartParams(3) = U2Depart;
- StartParams(4) = V2Depart;
-
- //-----------------------------------------------------------------------
- //-- Calcul du premier point de cheminement a partir du point approche --
- //-----------------------------------------------------------------------
- HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
- if(HasStartPoint) {
- //-------------------------------------------------
- //-- Un point a ete trouve --
- //-- On verifie qu il n appartient pas --
- //-- a une ligne de cheminement deja calculee. --
- //-------------------------------------------------
+ //-- Calcul des parametres approches a partir des Zones De Tangence --
+ //--------------------------------------------------------------------
+ Standard_Integer nbTanZon = LOn2S->NbPoints();
+ for(Standard_Integer z=1; z <= nbTanZon; z++) {
+ const IntSurf_PntOn2S& POn2S = LOn2S->Value(z);
+ POn2S.Parameters(U1,V1,U2,V2);
+ StartParams(1) = U1;
+ StartParams(2) = V1;
+ StartParams(3) = U2;
+ StartParams(4) = V2;
- PW.Perform(StartParams);
- if(PW.IsDone()) {
-
- Point3dDebut = PW.Value(1).Value();
- Point3dFin = PW.Value(PW.NbPoints()).Value();
-
- IntSurf_TypeTrans trans1,trans2;
- Standard_Real locu,locv;
- gp_Vec norm1,norm2,d1u,d1v;
- gp_Pnt ptbid;
- Standard_Integer indextg;
- gp_Vec tgline(PW.TangentAtLine(indextg));
- PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
- Surf1->D1(locu,locv,ptbid,d1u,d1v);
- norm1 = d1u.Crossed(d1v);
- PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
- Surf2->D1(locu,locv,ptbid,d1u,d1v);
- norm2 = d1u.Crossed(d1v);
- if (tgline.DotCross(norm2,norm1)>0.) {
- trans1 = IntSurf_Out;
- trans2 = IntSurf_In;
- }
- else {
- trans1 = IntSurf_In;
- trans2 = IntSurf_Out;
- }
-
-
+ //-----------------------------------------------------------------------
+ //-- Calcul du premier point de cheminement a partir du point approche --
+ //-----------------------------------------------------------------------
+ HasStartPoint = PW.PerformFirstPoint(StartParams,StartPOn2S);
+ if(HasStartPoint) {
+ //-------------------------------------------------
+ //-- Un point a ete trouve --
+ //-- On verifie qu il n appartient pas --
+ //-- a une ligne de cheminement deja calculee. --
+ //-------------------------------------------------
+ StartPOn2S.Parameters(pu1,pv1,pu2,pv2);
- Standard_Real TolTang = TolTangency;
- Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
- IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
- IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
+ NbLigCalculee = SLin.Length();
+ dminiPointLigne = SeuildPointLigne + SeuildPointLigne;
- //---------------
- if(wline->NbVertex() == 0) {
- IntPatch_Point vtx;
- IntSurf_PntOn2S POn2S = PW.Line()->Value(1);
- POn2S.Parameters(pu1,pv1,pu2,pv2);
- vtx.SetValue(Point3dDebut,TolTang,Standard_False);
- vtx.SetParameters(pu1,pv1,pu2,pv2);
- vtx.SetParameter(1);
- wline->AddVertex(vtx);
+ for(Standard_Integer l=1;
+ (l <= NbLigCalculee) && (dminiPointLigne >= SeuildPointLigne);
+ l++) {
+ const Handle(IntPatch_WLine)& testwline = *((Handle(IntPatch_WLine)*)&SLin.Value(l));
- POn2S = PW.Line()->Value(wline->NbPnts());
- POn2S.Parameters(pu1,pv1,pu2,pv2);
- vtx.SetValue(Point3dFin,TolTang,Standard_False);
- vtx.SetParameters(pu1,pv1,pu2,pv2);
- vtx.SetParameter(wline->NbPnts());
- wline->AddVertex(vtx);
+ if( (testwline->IsOutSurf1Box(gp_Pnt2d(pu1,pv1))==Standard_False)
+ &&(testwline->IsOutSurf2Box(gp_Pnt2d(pu2,pv2))==Standard_False)
+ &&(testwline->IsOutBox(StartPOn2S.Value())==Standard_False)) {
+
+ NbPntOn2SOnLine = testwline->NbPnts();
+ for(Standard_Integer ll=1;
+ (ll < NbPntOn2SOnLine) && (dminiPointLigne >= SeuildPointLigne);
+ ll++) {
+
+ const gp_Pnt& Pa = testwline->Point(ll).Value();
+ const gp_Pnt& Pb = testwline->Point(ll+1).Value();
+ const gp_Pnt& PStart=StartPOn2S.Value();
+ gp_Vec AM(Pa,PStart);
+ gp_Vec MB(PStart,Pb);
+ Standard_Real AMMB = AM.Dot(MB);
+ if(AMMB > 0.0) {
+ gp_Dir ABN(Pb.X()-Pa.X(),Pb.Y()-Pa.Y(),Pb.Z()-Pa.Z());
+ Standard_Real lan = ABN.X()*AM.X()+ABN.Y()*AM.Y()+ABN.Z()*AM.Z();
+ gp_Vec AH(lan*ABN.X(),lan*ABN.Y(),lan*ABN.Z());
+ gp_Vec HM(AM.X()-AH.X(),AM.Y()-AH.Y(),AM.Z()-AH.Z());
+
+ Standard_Real d = 0.0;
+ if(HM.X() < Deflection) {
+ d+=HM.X()*HM.X();
+ if(HM.Y() < Deflection) {
+ d+=HM.Y()*HM.Y();
+ if(HM.Z() < Deflection) {
+ d+=HM.Z()*HM.Z();
+ }
+ else {
+ d=Deflection2;
+ }
+ }
+ else {
+ d=Deflection2;
+ }
+ }
+ else {
+ d=Deflection2;
+ }
+ if(d<Deflection2) {
+ dminiPointLigne = 0.0;
+ }
+ }
+ else {
+ Standard_Real dab = Pa.Distance(Pb);
+ Standard_Real dap = Pa.Distance(PStart);
+ if(dap < dab) {
+ dminiPointLigne=0;
+ }
+ else {
+ Standard_Real dbp = Pb.Distance(PStart);
+ if(dbp < dab) {
+ dminiPointLigne=0;
+ }
+ }
+ }
+ }
+ } //-- Rejections Boites
+ //-- else {
+ //-- cout<<" Rejet Boites "<<endl;
+ //-- }
}
- //---------------
- SLin.Append(wline);
- empt = Standard_False;
- }
- }
+ //-- Fin d exploration des lignes
+ if(dminiPointLigne > SeuildPointLigne) {
+ //---------------------------------------------------
+ //-- Le point de depart du nouveau cheminement --
+ //-- n est present dans aucune ligne deja calculee.--
+ //---------------------------------------------------
+ PW.Perform(StartParams);
+ if(PW.IsDone()) {
+ if(PW.NbPoints()>2) {
+ //-----------------------------------------------
+ //-- Verification a posteriori :
+ //-- On teste si le point de depart et de fin de
+ //-- la ligne de cheminement est present dans une
+ //-- autre ligne .
+ //-----------------------------------------------
+ RejetLigne = Standard_False;
+ Point3dDebut = PW.Value(1).Value();
+ Point3dFin = PW.Value(PW.NbPoints()).Value();
+
+ for(ver=1 ; (!RejetLigne) && (ver<= NbLigCalculee) ; ver++) {
+ const Handle(IntPatch_WLine)& verwline = *((Handle(IntPatch_WLine)*)&SLin.Value(ver));
+ //-- Handle(IntPatch_WLine) verwline=Handle(IntPatch_WLine)::DownCast(SLin.Value(ver));
+ const IntSurf_PntOn2S& verPointDebut = verwline->Point(1);
+ const IntSurf_PntOn2S& verPointFin = verwline->Point(verwline->NbPnts());
+ if(Point3dDebut.Distance(verPointDebut.Value()) < TolTangency) {
+ RejetLigne = Standard_True;
+ }
+ else {
+ if(Point3dFin.Distance(verPointFin.Value()) < TolTangency) {
+ RejetLigne = Standard_True;
+ }
+ }
+ }
+
+ if(!RejetLigne) {
+
+ IntSurf_TypeTrans trans1,trans2;
+ Standard_Real locu,locv;
+ gp_Vec norm1,norm2,d1u,d1v;
+ gp_Pnt ptbid;
+ Standard_Integer indextg;
+ gp_Vec tgline(PW.TangentAtLine(indextg));
+ PW.Line()->Value(indextg).ParametersOnS1(locu,locv);
+ Surf1->D1(locu,locv,ptbid,d1u,d1v);
+ norm1 = d1u.Crossed(d1v);
+ PW.Line()->Value(indextg).ParametersOnS2(locu,locv);
+ Surf2->D1(locu,locv,ptbid,d1u,d1v);
+ norm2 = d1u.Crossed(d1v);
+ if (tgline.DotCross(norm2,norm1)>0.) {
+ trans1 = IntSurf_Out;
+ trans2 = IntSurf_In;
+ }
+ else {
+ trans1 = IntSurf_In;
+ trans2 = IntSurf_Out;
+ }
+
+
+
+ Standard_Real TolTang = TolTangency;
+ Handle(IntPatch_WLine) wline = new IntPatch_WLine(PW.Line(),Standard_False,trans1,trans2);
+ IntPatch_RstInt::PutVertexOnLine(wline,Surf1,D1,Surf2,Standard_True,TolTang);
+ IntPatch_RstInt::PutVertexOnLine(wline,Surf2,D2,Surf1,Standard_False,TolTang);
+
+ //---------------
+ if(wline->NbVertex() == 0) {
+ IntPatch_Point vtx;
+ const IntSurf_PntOn2S& POn2Sf = PW.Line()->Value(1);
+ POn2Sf.Parameters(pu1,pv1,pu2,pv2);
+ vtx.SetValue(Point3dDebut,TolTang,Standard_False);
+ vtx.SetParameters(pu1,pv1,pu2,pv2);
+ vtx.SetParameter(1);
+ wline->AddVertex(vtx);
+
+ const IntSurf_PntOn2S& POn2Sl = PW.Line()->Value(wline->NbPnts());
+ POn2Sl.Parameters(pu1,pv1,pu2,pv2);
+ vtx.SetValue(Point3dFin,TolTang,Standard_False);
+ vtx.SetParameters(pu1,pv1,pu2,pv2);
+ vtx.SetParameter(wline->NbPnts());
+ wline->AddVertex(vtx);
+ }
+
+ //---------------
+ SLin.Append(wline);
+ empt = Standard_False;
+
+ }
+ else {
+ //-- cout<<" ----- REJET DE LIGNE (POINT DE DEPART) ----- "<<endl;
+ }
+ //------------------------------------------------------------
+ }
+ } //-- le cheminement a reussi (done a True)
+ } //-- le point approche ne renvoie pas sur une ligne existante
+ } //-- Si HasStartPoint
+ } //-- Boucle sur Les Tangent Zones
+
}
-
-
-//xf
+//modified by NIZNHY-PKV Wed May 25 09:39:07 2011f
+//=======================================================================
+//class : IntPatch_InfoPD
+//purpose :
+//=======================================================================
+class IntPatch_InfoPD {
+ public:
+ //----------------------------------------C-tor
+ IntPatch_InfoPD(const Standard_Integer aNBI) {
+ Standard_Integer aNBI2, i, j;
+ myNBI=aNBI;
+ //
+ aNBI2=aNBI*aNBI;
+ myP1DS2=new char[aNBI2];
+ myP2DS1=new char[aNBI2];
+ myIP1=new Standard_Integer[aNBI2];
+ myIP2=new Standard_Integer[aNBI2];
+ myP1=new gp_Pnt[aNBI2];
+ myP2=new gp_Pnt[aNBI2];
+ //
+ for (i=0; i<myNBI; ++i) {
+ for (j=0; j<myNBI; ++j) {
+ xP1DS2(i, j)=0;
+ xP2DS1(i, j)=0;
+ xIP1(i, j)=0;
+ xIP2(i, j)=0;
+ xP1(i, j).SetCoord(0., 0., 0.);
+ xP2(i, j).SetCoord(0., 0., 0.);
+ }
+ }
+ };
+ //---------------------------------------- D-tor
+ ~IntPatch_InfoPD() {
+ delete [] (char*) myP1DS2;
+ delete [] (char*) myP2DS1;
+ delete [] (Standard_Integer*) myIP1;
+ delete [] (Standard_Integer*) myIP2;
+ delete [] (gp_Pnt*)myP1;
+ delete [] (gp_Pnt*)myP2;
+ };
+ //---------------------------------------- Index
+ Standard_Integer Index(const Standard_Integer i,
+ const Standard_Integer j) const {
+ return i*myNBI+j;
+ };
+ //---------------------------------------- NBI
+ Standard_Integer NBI() const {
+ return myNBI;
+ };
+ //----------------------------------------xP1DS2
+ char& xP1DS2(const Standard_Integer i,
+ const Standard_Integer j) {
+ return myP1DS2[Index(i,j)];
+ };
+ //----------------------------------------xP2DS1
+ char& xP2DS1(const Standard_Integer i,
+ const Standard_Integer j) {
+ return myP2DS1[Index(i,j)];
+ };
+ //----------------------------------------xIP1
+ Standard_Integer& xIP1(const Standard_Integer i,
+ const Standard_Integer j) {
+ return myIP1[Index(i,j)];
+ };
+ //----------------------------------------xIP2
+ Standard_Integer& xIP2(const Standard_Integer i,
+ const Standard_Integer j) {
+ return myIP2[Index(i,j)];
+ };
+ //----------------------------------------xP1
+ gp_Pnt& xP1(const Standard_Integer i,
+ const Standard_Integer j) {
+ return myP1[Index(i,j)];
+ };
+ //----------------------------------------xP1
+ gp_Pnt& xP2(const Standard_Integer i,
+ const Standard_Integer j) {
+ return myP2[Index(i,j)];
+ };
+ protected:
+ Standard_Integer myNBI;
+ char *myP1DS2;
+ char *myP2DS1;
+ Standard_Integer *myIP1;
+ Standard_Integer *myIP2;
+ gp_Pnt *myP1;
+ gp_Pnt *myP2;
+};
+//modified by NIZNHY-PKV Tue May 24 11:38:55 2011t
//==================================================================================
-// function : AdjustOnPeriodic
+// function : PointDepart
// purpose :
//==================================================================================
-void AdjustOnPeriodic(const Handle(Adaptor3d_HSurface)& Surf1,
- const Handle(Adaptor3d_HSurface)& Surf2,
- IntPatch_SequenceOfLine& aSLin)
-{
- Standard_Boolean bIsPeriodic[4], bModified, bIsNull, bIsPeriod;
- Standard_Integer i, j, k, aNbLines, aNbPx, aIndx, aIndq;
- Standard_Real aPeriod[4], dPeriod[4], ux[4], uq[4], aEps, du;
+void IntPatch_PrmPrmIntersection::PointDepart(Handle(IntSurf_LineOn2S)& LineOn2S,
+ const Handle(Adaptor3d_HSurface)& S1,
+ const Standard_Integer SU_1,
+ const Standard_Integer SV_1,
+ const Handle(Adaptor3d_HSurface)& S2,
+ const Standard_Integer SU_2,
+ const Standard_Integer SV_2) const
+{
+ Standard_Integer i, j, xNBI;
+ //modified by NIZNHY-PKV Tue May 24 11:37:38 2011f
+ xNBI=200;
+ IntPatch_InfoPD aIPD(xNBI);
+ //modified by NIZNHY-PKV Wed May 25 06:47:12 2011t
+ Standard_Integer iC15, SU1, SV1, SU2, SV2;
+ Standard_Real U0, U1, V0, V1, U, V;
+ Standard_Real resu0,resu1,resv0,resv1;
+ Standard_Real du1,du2,dv1,dv2, dmaxOn1, dmaxOn2;
+ Standard_Real x0,y0,z0, x1,y1,z1,d;
+ Bnd_Box Box1, Box2;
//
- aEps=Precision::Confusion();
+ iC15=15;
+ SU1 =iC15*SU_1 ;
+ SV1 =iC15*SV_1 ;
+ SU2 =iC15*SU_2 ;
+ SV2 =iC15*SV_2 ;
//
- for (k=0; k<4; ++k) {
- aPeriod[k]=0.;
+ if(xNBI<SU1) {
+ SU1 = xNBI;
+ }
+ if(xNBI<SV1){
+ SV1 = xNBI;
+ }
+ if(xNBI<SU2){
+ SU2 = xNBI;
+ }
+ if(xNBI<SV2){
+ SV2 = xNBI;
+ }
+ //
+ U0 = S1->FirstUParameter();
+ U1 = S1->LastUParameter();
+ V0 = S1->FirstVParameter();
+ V1 = S1->LastVParameter();
+ //
+ resu0=U0;
+ resu1=U1;
+ resv1=V1;
+ resv0=V0;
+ //
+ dmaxOn1 = 0.0;
+ dmaxOn2 = 0.0;
+ //-----
+ du1 = (U1-U0)/(SU1-1);
+ dv1 = (V1-V0)/(SV1-1);
+ for(U=U0,i=0; i<SU1; i++,U+=du1) {
+ for(V=V0,j=0; j<SV1; V+=dv1,j++) {
+ aIPD.xP1(i, j)= S1->Value(U,V);
+ Box1.Add(aIPD.xP1(i, j));
+ if(i>0 && j>0) {
+ aIPD.xP1(i, j) .Coord(x0,y0,z0);
+ aIPD.xP1(i-1, j-1).Coord(x1,y1,z1);
+ //
+ d=Abs(x1-x0)+Abs(y1-y0)+Abs(z1-z0);
+ if(d>dmaxOn1) {
+ dmaxOn1 = d;
+ }
+ }
+ }
+ }
+ Box1.Enlarge(1.e-8);
+ //
+ U0 = S2->FirstUParameter();
+ U1 = S2->LastUParameter();
+ V0 = S2->FirstVParameter();
+ V1 = S2->LastVParameter();
+ //
+ du2 = (U1-U0)/(SU2-1);
+ dv2 = (V1-V0)/(SV2-1);
+ for(U=U0,i=0; i<SU2; i++,U+=du2) {
+ for(V=V0,j=0; j<SV2; V+=dv2,j++) {
+ aIPD.xP2(i, j) = S2->Value(U,V);
+ Box2.Add(aIPD.xP2(i, j));
+ if(i>0 && j>0) {
+ aIPD.xP2(i, j) .Coord(x0,y0,z0);
+ aIPD.xP2(i-1, j-1).Coord(x1,y1,z1);
+ d = Abs(x1-x0)+Abs(y1-y0)+Abs(z1-z0);
+ if(d>dmaxOn2) {
+ dmaxOn2 = d;
+ }
+ }
+ }
+ }
+ Box2.Enlarge(1.e-8);
+ //--------
+ //
+ if(Box1.IsOut(Box2)) {
+
+ return;
+ }
+ //
+ Standard_Integer aNbPG;
+ Standard_Real x10,y10,z10,x11,y11,z11;
+ Standard_Real x20,y20,z20,x21,y21,z21;
+ Standard_Real dx, dy, dz, dmax;
+ Standard_Real dx2, dy2, dz2;
+ //
+ Box1.Get(x10,y10,z10,x11,y11,z11);
+ Box2.Get(x20,y20,z20,x21,y21,z21);
+ //
+ x0 = (x10>x20)? x10 : x20;
+ y0 = (y10>y20)? y10 : y20;
+ z0 = (z10>z20)? z10 : z20;
+ //
+ x1 = (x11<x21)? x11 : x21;
+ y1 = (y11<y21)? y11 : y21;
+ z1 = (z11<z21)? z11 : z21;
+ //
+ if(dmaxOn2 > dmaxOn1) {
+ dmaxOn1 = dmaxOn2;
}
//
- bIsPeriodic[0]=Surf1->IsUPeriodic();
- bIsPeriodic[1]=Surf1->IsVPeriodic();
- bIsPeriodic[2]=Surf2->IsUPeriodic();
- bIsPeriodic[3]=Surf2->IsVPeriodic();
+ dmaxOn1+=dmaxOn1;
+ x0-=dmaxOn1;
+ y0-=dmaxOn1;
+ z0-=dmaxOn1;
+ x1+=dmaxOn1;
+ y1+=dmaxOn1;
+ z1+=dmaxOn1;
+ //
+ x10-=dmaxOn1; y10-=dmaxOn1; z10-=dmaxOn1;
+ x11+=dmaxOn1; y11+=dmaxOn1; z11+=dmaxOn1;
+
+ x20-=dmaxOn1; y20-=dmaxOn1; z20-=dmaxOn1;
+ x21+=dmaxOn1; y21+=dmaxOn1; z21+=dmaxOn1;
+
+ aNbPG=NbPointsGrille();
+ dx = (x1-x0)/aNbPG;
+ dy = (y1-y0)/aNbPG;
+ dz = (z1-z0)/aNbPG;
//
- if (bIsPeriodic[0]){
- aPeriod[0]=Surf1->UPeriod();
+ dmax = dx;
+ if(dy>dmax) {
+ dmax = dy;
}
- if (bIsPeriodic[1]){
- aPeriod[1]=Surf1->VPeriod();
+ if(dz>dmax){
+ dmax = dz;
}
- if (bIsPeriodic[2]){
- aPeriod[2]=Surf2->UPeriod();
+ //
+ if(dx<dmax*0.01) {
+ dx = dmax*0.01;
}
- if (bIsPeriodic[3]){
- aPeriod[3]=Surf2->VPeriod();
+ if(dy<dmax*0.01) {
+ dy = dmax*0.01;
+ }
+ if(dz<dmax*0.01) {
+ dz = dmax*0.01;
}
//
- for (k=0; k<4; ++k) {
- dPeriod[k]=0.25*aPeriod[k];
+ dx2 = dx*0.5;
+ dy2 = dy*0.5;
+ dz2 = dz*0.5 ;
+ //
+ IntPatch_PrmPrmIntersection_T3Bits M1(_BASE);
+ IntPatch_PrmPrmIntersection_T3Bits M2(_BASE);
+ //
+ for(i=0;i<SU1;i++) {
+ for(j=0;j<SV1;j++) {
+ aIPD.xIP1(i, j)=-1;
+ const gp_Pnt& P=aIPD.xP1(i, j);
+ aIPD.xP1DS2(i, j) = CodeReject(x20,y20,z20,x21,y21,z21,P.X(),P.Y(),P.Z());
+ int ix = (int)((P.X()-x0 + dx2 )/dx);
+ if(DansGrille(ix)) {
+ int iy = (int)((P.Y()-y0 + dy2)/dy);
+ if(DansGrille(iy)) {
+ int iz = (int)((P.Z()-z0 + dz2)/dz);
+ if(DansGrille(iz)) {
+ aIPD.xIP1(i, j) = GrilleInteger(ix,iy,iz);
+ }
+ }
+ }
+ }
+ }
+ //-- cout<<" Grille du 1 fini "<<endl;
+ for(i=0;i<SU2;i++) {
+ for(j=0;j<SV2;j++) {
+ aIPD.xIP2(i, j)=-1;
+ const gp_Pnt& P=aIPD.xP2(i, j);
+ aIPD.xP2DS1(i, j) = CodeReject(x10,y10,z10,x11,y11,z11,P.X(),P.Y(),P.Z());
+ int ix = (int)((P.X()-x0 + dx2)/dx);
+ if(DansGrille(ix)) {
+ int iy = (int)((P.Y()-y0 + dy2)/dy);
+ if(DansGrille(iy)) {
+ int iz = (int)((P.Z()-z0 + dz2)/dz);
+ if(DansGrille(iz)) {
+ aIPD.xIP2(i, j) = GrilleInteger(ix,iy,iz);
+ }
+ }
+ }
+ }
}
//
- aNbLines=aSLin.Length();
- for (i=1; i<=aNbLines; ++i) {
- Handle(IntPatch_WLine) aIL=Handle(IntPatch_WLine)::DownCast(aSLin.Value(i));
- Handle(IntSurf_LineOn2S) aL=aIL->Curve();
-
- aNbPx=aL->NbPoints();
- if (aNbPx<10) {
- continue;
+ for(i=0;i<SU1-1;i+=1) {
+ for(j=0;j<SV1-1;j+=1) {
+ if(!((aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j)) ||
+ (aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j+1)))){
+ Remplit(aIPD.xIP1(i, j),
+ aIPD.xIP1(i+1, j),
+ aIPD.xIP1(i+1, j+1),
+ M1);
+ }
+ if(!((aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i, j+1)) ||
+ (aIPD.xP1DS2(i, j) & aIPD.xP1DS2(i+1, j+1)))) {
+ Remplit(aIPD.xIP1(i, j),
+ aIPD.xIP1(i, j+1),
+ aIPD.xIP1(i+1, j+1),
+ M1);
+ }
}
- //
- for (j=0; j<2; ++j) {
- bModified=Standard_False;
- aIndx=1;
- aIndq=2;
- if (j) {
- aIndx=aNbPx;
- aIndq=aNbPx-1;
+ }
+ //
+ for(i=0;i<SU2-1;i+=1) {
+ for(j=0;j<SV2-1;j+=1) {
+ if(!((aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j)) ||
+ (aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j+1)))){
+ Remplit(aIPD.xIP2(i, j),
+ aIPD.xIP2(i+1, j),
+ aIPD.xIP2(i+1, j+1),
+ M2);
+ }
+ if(!((aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i, j+1)) ||
+ (aIPD.xP2DS1(i, j) & aIPD.xP2DS1(i+1, j+1)))){
+ Remplit(aIPD.xIP2(i, j),
+ aIPD.xIP2(i, j+1),
+ aIPD.xIP2(i+1, j+1),
+ M2);
+ }
+ }
+ }
+ //
+ M1.ResetAnd();
+ M2.ResetAnd();
+ //
+ int newind=0;
+ long unsigned Compt=0;
+ int ok=0;
+ int indicepointtraite = 0;
+ Standard_Integer k,nu,nv;
+ //
+ do {
+ indicepointtraite--;
+ ok = M1.And(M2,newind);
+ if(ok) {
+ IntegerGrille(newind,i,j,k);
+ int nb=0;
+ int LIM=3;
+ if( DansGrille(i-1) && DansGrille(j-1) && DansGrille(k-1)
+ && DansGrille(i+1) && DansGrille(j+1) && DansGrille(k+1)) {
+ int si,sj,sk;
+ for(si=-1; si<= 1 && nb<LIM; si++) {
+ for(sj=-1; sj<= 1 && nb<LIM; sj++) {
+ for(sk=-1; sk<= 1 && nb<LIM; sk++) {
+ long unsigned lu=GrilleInteger(i+si,j+sj,k+sk);
+ if(M1.Val(lu) && M2.Val(lu)) {
+ nb++;
+ }
+ }
+ }
+ }
+ if(nb>=LIM) {
+ for(si=-1; si<= 1; si++) {
+ for(sj=-1; sj<= 1; sj++) {
+ for(sk=-1; sk<= 1; sk++) {
+ if(si || sj || sk) {
+ long unsigned lu=GrilleInteger(i+si,j+sj,k+sk);
+ M1.Raz(lu);
+ }
+ }
+ }
+ }
+ }
}
//
- const IntSurf_PntOn2S& aPSx=aL->Value(aIndx);
- const IntSurf_PntOn2S& aPSq=aL->Value(aIndq);
- //
- aPSx.Parameters(ux[0], ux[1], ux[2], ux[3]);
- aPSq.Parameters(uq[0], uq[1], uq[2], uq[3]);
+ gp_Pnt P(dx*i + x0, dy*j + y0, dz*k+z0);
//
- for (k=0; k<4; ++k) {
- bIsNull=Standard_False;
- bIsPeriod=Standard_False;
- //
- if (!bIsPeriodic[k]) {
- continue;
+ Standard_Integer nu1=-1,nu2=-1;
+ Standard_Integer nv1=0, nv2=0;
+ int nbsur1 = 0;
+ for(nu=0;nu1<0 && nu<SU1;nu++) {
+ for(nv=0;nu1<0 && nv<SV1;nv++) {
+ if( aIPD.xIP1(nu, nv) ==(Standard_Integer) newind ) {
+ nbsur1++;
+ aIPD.xIP1(nu, nv)=indicepointtraite;
+ nu1=nu; nv1=nv;
+ }
}
- //
- if (fabs(ux[k])<aEps) {
- bModified=Standard_True;
- bIsNull=Standard_True;
+ }
+ if(nu1>=0) {
+ int nbsur2 = 0;
+ for(nu=0;nu2<0 && nu<SU2;nu++) {
+ for(nv=0;nu2<0 && nv<SV2;nv++) {
+ if( aIPD.xIP2(nu, nv)==(Standard_Integer) newind ) {
+ nbsur2++;
+ aIPD.xIP2(nu, nv)=indicepointtraite;
+ nu2=nu; nv2=nv;
+ }
+ }
}
- //
- else if (fabs(ux[k]-aPeriod[k])<aEps) {
- bModified=Standard_True;
- bIsPeriod=Standard_True;
+ }
+ if(nu1>=0 && nu2>=0) {
+ IntSurf_PntOn2S POn2S;
+ POn2S.SetValue(P,
+ S1->FirstUParameter()+nu1*du1,
+ S1->FirstVParameter()+nv1*dv1,
+ S2->FirstUParameter()+nu2*du2,
+ S2->FirstVParameter()+nv2*dv2);
+ LineOn2S->Add(POn2S);
+ Compt++;
+ }
+ else {
+ //-- aucun point du triangle n a ete trouve assez proche
+ //-- on recherche les 3 points les plus proches de P
+ //-- dans chacun des tableaux
+ Standard_Real Dist3[3],u3[3],v3[3];
+ Dist3[0]=Dist3[1]=Dist3[2]=RealLast();
+ for(U=resu0,i=0; i<SU1; i++,U+=du1) {
+ for(V=resv0,j=0; j<SV1; V+=dv1,j++) {
+ //-- On place les 3 meilleures valeurs dans Dist1,Dist2,Dist3
+ Standard_Real t = aIPD.xP1(i, j).SquareDistance(P);
+ //-- On remplace la plus grande valeur ds Dist[.] par la val courante
+ if(Dist3[0]<Dist3[1]) {
+ Standard_Real z;
+ z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
+ z=u3[0]; u3[0]=u3[1]; u3[1]=z;
+ z=v3[0]; v3[0]=v3[1]; v3[1]=z;
+ }
+ if(Dist3[1]<Dist3[2]) {
+ Standard_Real z;
+ z=Dist3[1]; Dist3[1]=Dist3[2]; Dist3[2]=z;
+ z=u3[1]; u3[1]=u3[2]; u3[2]=z;
+ z=v3[1]; v3[1]=v3[2]; v3[2]=z;
+ }
+ if(Dist3[0]<Dist3[1]) {
+ Standard_Real z;
+ z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
+ z=u3[0]; u3[0]=u3[1]; u3[1]=z;
+ z=v3[0]; v3[0]=v3[1]; v3[1]=z;
+ }
+ //-- la plus grande valeur est dans Dist3[0]
+ if(t<Dist3[0]) {
+ Dist3[0]=t; u3[0]=U; v3[0]=V;
+ }
+ }
}
//
- if (bModified) {
- du=fabs(ux[k]-uq[k]);
- if (du > dPeriod[k]) {
- if(bIsNull){
- ux[k]=aPeriod[k];
+ Standard_Real U1_3 = (u3[0]+u3[1]+u3[2])/3.0;
+ Standard_Real V1_3 = (v3[0]+v3[1]+v3[2])/3.0;
+
+ Dist3[0]=Dist3[1]=Dist3[2]=RealLast();
+ for(U=U0,i=0; i<SU2; i++,U+=du2) {
+ for(V=V0,j=0; j<SV2; V+=dv2,j++) {
+ //-- On place les 3 meilleures valeurs dans Dist1,Dist2,Dist3
+ Standard_Real t = aIPD.xP2(i, j).SquareDistance(P);
+ //-- On remplace la plus grande valeur ds Dist3[.] par la val courante
+ if(Dist3[0]<Dist3[1]) {
+ Standard_Real z;
+ z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
+ z=u3[0]; u3[0]=u3[1]; u3[1]=z;
+ z=v3[0]; v3[0]=v3[1]; v3[1]=z;
}
- if(bIsPeriod) {
- ux[k]=0.;
+ if(Dist3[1]<Dist3[2]) {
+ Standard_Real z;
+ z=Dist3[1]; Dist3[1]=Dist3[2]; Dist3[2]=z;
+ z=u3[1]; u3[1]=u3[2]; u3[2]=z;
+ z=v3[1]; v3[1]=v3[2]; v3[2]=z;
+ }
+ if(Dist3[0]<Dist3[1]) {
+ Standard_Real z;
+ z=Dist3[0]; Dist3[0]=Dist3[1]; Dist3[1]=z;
+ z=u3[0]; u3[0]=u3[1]; u3[1]=z;
+ z=v3[0]; v3[0]=v3[1]; v3[1]=z;
+ }
+ //-- la plus grande valeur est dans Dist3[0]
+ if(t<Dist3[0]) {
+ Dist3[0]=t; u3[0]=U; v3[0]=V;
}
}
}
- }//for (k=0; k<4; ++k)
- if (bModified) {
- IntSurf_PntOn2S aPntOn2S;
//
- aPntOn2S=aPSx;
- aPntOn2S.SetValue(ux[0], ux[1], ux[2], ux[3]);
- aL->Value(aIndx, aPntOn2S);
+ Standard_Real U2_3 = (u3[0]+u3[1]+u3[2])/3.0;
+ Standard_Real V2_3 = (v3[0]+v3[1]+v3[2])/3.0;
+ //
+ IntSurf_PntOn2S POn2S;
+ POn2S.SetValue(P,U1_3,V1_3,U2_3,V2_3);
+ LineOn2S->Add(POn2S);
+ Compt++;
}
- }//for (j=0; j<1; ++j) {
- }//for (i=1; i<=aNbLines; ++i)
+ }
+ }
+ while(ok);
}
-//xt