projects / occt.git / blame
| Commit | Line | Data |
|---|---|---|
| b311480e | 1 | // Created on: 1992-11-06 |
| 2 | // Created by: Remi LEQUETTE | |
| 3 | // Copyright (c) 1992-1999 Matra Datavision | |
| 973c2be1 | 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| b311480e | 5 | // |
| 973c2be1 | 6 | // This file is part of Open CASCADE Technology software library. |
| b311480e | 7 | // |
| d5f74e42 | 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
| 973c2be1 | 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. | |
| b311480e | 13 | // |
| 973c2be1 | 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. | |
| 7fd59977 | 16 | |
| 17 | #include <BRepPrim_Sphere.ixx> | |
| 18 | ||
| 19 | #include <gp.hxx> | |
| 20 | #include <gp_Ax2d.hxx> | |
| 21 | #include <Precision.hxx> | |
| 22 | ||
| 23 | #include <Geom_SphericalSurface.hxx> | |
| 24 | #include <Geom_Circle.hxx> | |
| 25 | #include <Geom2d_Circle.hxx> | |
| 26 | ||
| 0d969553 | 27 | // parameters on the meridian |
| 7fd59977 | 28 | |
| c6541a0c D |
29 | #define PMIN (-0.5*M_PI) |
| 30 | #define PMAX (0.5*M_PI) | |
| 7fd59977 | 31 | |
| 32 | //======================================================================= | |
| 33 | //function : BRepPrim_Sphere | |
| 34 | //purpose : | |
| 35 | //======================================================================= | |
| 36 | ||
| 37 | BRepPrim_Sphere::BRepPrim_Sphere(const Standard_Real Radius) : | |
| 38 | BRepPrim_Revolution(gp::XOY(),PMIN,PMAX), | |
| 39 | myRadius(Radius) | |
| 40 | { | |
| 41 | SetMeridian(); | |
| 42 | } | |
| 43 | ||
| 44 | //======================================================================= | |
| 45 | //function : BRepPrim_Sphere | |
| 46 | //purpose : | |
| 47 | //======================================================================= | |
| 48 | ||
| 49 | BRepPrim_Sphere::BRepPrim_Sphere(const gp_Pnt& Center, | |
| 50 | const Standard_Real Radius) : | |
| 51 | BRepPrim_Revolution(gp_Ax2(Center,gp_Dir(0,0,1),gp_Dir(1,0,0)), | |
| 52 | PMIN,PMAX), | |
| 53 | myRadius(Radius) | |
| 54 | { | |
| 55 | SetMeridian(); | |
| 56 | } | |
| 57 | ||
| 58 | //======================================================================= | |
| 59 | //function : BRepPrim_Sphere | |
| 60 | //purpose : | |
| 61 | //======================================================================= | |
| 62 | ||
| 63 | BRepPrim_Sphere::BRepPrim_Sphere(const gp_Ax2& Axes, | |
| 64 | const Standard_Real Radius) : | |
| 65 | BRepPrim_Revolution(Axes,PMIN,PMAX), | |
| 66 | myRadius(Radius) | |
| 67 | { | |
| 68 | SetMeridian(); | |
| 69 | } | |
| 70 | ||
| 71 | //======================================================================= | |
| 72 | //function : MakeEmptyLateralFace | |
| 73 | //purpose : | |
| 74 | //======================================================================= | |
| 75 | ||
| 76 | TopoDS_Face BRepPrim_Sphere::MakeEmptyLateralFace()const | |
| 77 | { | |
| 78 | Handle(Geom_SphericalSurface) S = | |
| 79 | new Geom_SphericalSurface(Axes(),myRadius); | |
| 80 | TopoDS_Face F; | |
| 81 | myBuilder.Builder().MakeFace(F,S,Precision::Confusion()); | |
| 82 | return F; | |
| 83 | } | |
| 84 | ||
| 85 | //======================================================================= | |
| 86 | //function : SetMeridian | |
| 87 | //purpose : | |
| 88 | //======================================================================= | |
| 89 | ||
| 90 | void BRepPrim_Sphere::SetMeridian() | |
| 91 | { | |
| 92 | // Offset the parameters on the meridian | |
| 93 | // to trim the edge in 3pi/2, 5pi/2 | |
| 94 | ||
| c6541a0c | 95 | SetMeridianOffset(2*M_PI); |
| 7fd59977 | 96 | |
| 97 | gp_Dir D = Axes().YDirection(); | |
| 98 | D.Reverse(); | |
| 99 | gp_Ax2 A(Axes().Location(),D,Axes().XDirection()); | |
| 100 | Handle(Geom_Circle) C = new Geom_Circle(A,myRadius); | |
| 101 | Handle(Geom2d_Circle) C2d = | |
| 102 | new Geom2d_Circle(gp_Ax2d(gp_Pnt2d(0,0),gp_Dir2d(1,0)), | |
| 103 | myRadius); | |
| 104 | Meridian(C,C2d); | |
| 105 | } | |
| 106 | ||
| 107 |