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1 | // File: BRepPrim_Torus.cxx |
| 2 | // Created: Fri Nov 6 14:27:00 1992 |
| 3 | // Author: Remi LEQUETTE |
| 4 | // <rle@phylox> |
| 5 | |
| 6 | |
| 7 | |
| 8 | #include <BRepPrim_Torus.ixx> |
| 9 | |
| 10 | #include <gp.hxx> |
| 11 | #include <gp_Vec.hxx> |
| 12 | #include <gp_Ax2d.hxx> |
| 13 | #include <Precision.hxx> |
| 14 | |
| 15 | #include <Geom_ToroidalSurface.hxx> |
| 16 | #include <Geom_Circle.hxx> |
| 17 | #include <Geom2d_Circle.hxx> |
| 18 | |
| 19 | //======================================================================= |
| 20 | //function : BRepPrim_Torus |
| 21 | //purpose : |
| 22 | //======================================================================= |
| 23 | |
| 24 | BRepPrim_Torus::BRepPrim_Torus(const gp_Ax2& Position, |
| 25 | const Standard_Real Major, |
| 26 | const Standard_Real Minor) : |
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27 | BRepPrim_Revolution(Position,0,2*M_PI), |
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28 | myMajor(Major), |
| 29 | myMinor(Minor) |
| 30 | { |
| 31 | SetMeridian(); |
| 32 | } |
| 33 | |
| 34 | //======================================================================= |
| 35 | //function : BRepPrim_Torus |
| 36 | //purpose : |
| 37 | //======================================================================= |
| 38 | |
| 39 | BRepPrim_Torus::BRepPrim_Torus(const Standard_Real Major, |
| 40 | const Standard_Real Minor) : |
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41 | BRepPrim_Revolution(gp::XOY(),0,2*M_PI), |
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42 | myMajor(Major), |
| 43 | myMinor(Minor) |
| 44 | { |
| 45 | SetMeridian(); |
| 46 | } |
| 47 | |
| 48 | //======================================================================= |
| 49 | //function : BRepPrim_Torus |
| 50 | //purpose : |
| 51 | //======================================================================= |
| 52 | |
| 53 | BRepPrim_Torus::BRepPrim_Torus(const gp_Pnt& Center, |
| 54 | const Standard_Real Major, |
| 55 | const Standard_Real Minor) : |
| 56 | BRepPrim_Revolution(gp_Ax2(Center,gp_Dir(0,0,1),gp_Dir(1,0,0)), |
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57 | 0,2*M_PI), |
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58 | myMajor(Major), |
| 59 | myMinor(Minor) |
| 60 | { |
| 61 | SetMeridian(); |
| 62 | } |
| 63 | |
| 64 | //======================================================================= |
| 65 | //function : MakeEmptyLateralFace |
| 66 | //purpose : |
| 67 | //======================================================================= |
| 68 | |
| 69 | TopoDS_Face BRepPrim_Torus::MakeEmptyLateralFace()const |
| 70 | { |
| 71 | Handle(Geom_ToroidalSurface) T = |
| 72 | new Geom_ToroidalSurface(Axes(),myMajor,myMinor); |
| 73 | TopoDS_Face F; |
| 74 | myBuilder.Builder().MakeFace(F,T,Precision::Confusion()); |
| 75 | return F; |
| 76 | } |
| 77 | |
| 78 | |
| 79 | //======================================================================= |
| 80 | //function : SetMeridian |
| 81 | //purpose : |
| 82 | //======================================================================= |
| 83 | |
| 84 | void BRepPrim_Torus::SetMeridian() |
| 85 | { |
| 86 | gp_Dir D = Axes().YDirection(); |
| 87 | D.Reverse(); |
| 88 | gp_Ax2 A(Axes().Location(),D,Axes().XDirection()); |
| 89 | gp_Vec V = Axes().XDirection(); |
| 90 | V.Multiply(myMajor); |
| 91 | A.Translate(V); |
| 92 | Handle(Geom_Circle) C = new Geom_Circle(A,myMinor); |
| 93 | Handle(Geom2d_Circle) C2d = new Geom2d_Circle(gp_Ax2d(gp_Pnt2d(myMajor,0), |
| 94 | gp_Dir2d(1,0)), |
| 95 | myMinor); |
| 96 | Meridian(C,C2d); |
| 97 | } |
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