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1 | // Created on: 1997-04-21 |
2 | // Created by: Denis PASCAL |
3 | // Copyright (c) 1997-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
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18 | #include <BRepAdaptor_Surface.hxx> |
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19 | #include <Draw_Display.hxx> |
20 | #include <DrawDim_Radius.hxx> |
21 | #include <GC_MakeCircle.hxx> |
22 | #include <Geom_Circle.hxx> |
23 | #include <Geom_Curve.hxx> |
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24 | #include <Geom_Surface.hxx> |
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25 | #include <Geom_ToroidalSurface.hxx> |
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26 | #include <gp_Circ.hxx> |
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27 | #include <gp_Pnt.hxx> |
28 | #include <Standard_Type.hxx> |
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29 | #include <TopoDS.hxx> |
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30 | #include <TopoDS_Face.hxx> |
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31 | |
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32 | IMPLEMENT_STANDARD_RTTIEXT(DrawDim_Radius,DrawDim_Dimension) |
33 | |
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34 | //======================================================================= |
35 | //function : DrawDim_Radius |
36 | //purpose : |
37 | //======================================================================= |
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38 | DrawDim_Radius::DrawDim_Radius(const TopoDS_Face& cylinder) |
39 | { |
40 | myCylinder = cylinder; |
41 | } |
42 | |
43 | //======================================================================= |
44 | //function : Cylinder |
45 | //purpose : |
46 | //======================================================================= |
47 | |
48 | const TopoDS_Face& DrawDim_Radius::Cylinder() const |
49 | { |
50 | return myCylinder; |
51 | } |
52 | |
53 | //======================================================================= |
54 | //function : Cylinder |
55 | //purpose : |
56 | //======================================================================= |
57 | |
58 | void DrawDim_Radius::Cylinder(const TopoDS_Face& face) |
59 | { |
60 | myCylinder = face; |
61 | } |
62 | |
63 | |
64 | //======================================================================= |
65 | //function : DrawOn |
66 | //purpose : |
67 | //======================================================================= |
68 | |
69 | void DrawDim_Radius::DrawOn(Draw_Display& dis) const |
70 | { |
71 | // input |
72 | TopoDS_Shape myFShape = myCylinder; |
73 | |
74 | // output |
75 | gp_Pnt myPosition; |
76 | gp_Circ myCircle; |
77 | |
78 | //======================================================================= |
79 | //function : ComputeOneFaceRadius |
80 | //purpose : |
81 | //======================================================================= |
82 | |
83 | //void AIS_RadiusDimension::ComputeOneFaceRadius(const Handle(Prs3d_Presentation)& aPresentation) |
84 | //{ |
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85 | #ifdef OCCT_DEBUG |
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86 | cout << "entree dans computeonefaceradius"<< endl; |
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87 | #endif |
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88 | BRepAdaptor_Surface surfAlgo (TopoDS::Face(myFShape)); |
89 | Standard_Real uFirst, uLast, vFirst, vLast; |
90 | uFirst = surfAlgo.FirstUParameter(); |
91 | uLast = surfAlgo.LastUParameter(); |
92 | vFirst = surfAlgo.FirstVParameter(); |
93 | vLast = surfAlgo.LastVParameter(); |
94 | Standard_Real uMoy = (uFirst + uLast)/2; |
95 | Standard_Real vMoy = (vFirst + vLast)/2; |
96 | gp_Pnt curpos ; |
97 | surfAlgo.D0(uMoy, vMoy, curpos); |
98 | const Handle(Geom_Surface)& surf = surfAlgo.Surface().Surface(); |
99 | Handle(Geom_Curve) aCurve; |
100 | if (surf->DynamicType() == STANDARD_TYPE(Geom_ToroidalSurface)) { |
101 | aCurve = surf->UIso(uMoy); |
102 | uFirst = vFirst; |
103 | uLast = vLast; |
104 | } |
105 | else { |
106 | aCurve = surf->VIso(vMoy); |
107 | } |
108 | |
109 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom_Circle)) { |
110 | myCircle = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
111 | } // if (aCurve->DynamicType() ... |
112 | |
113 | else { |
114 | // compute a circle from 3 points on "aCurve" |
115 | gp_Pnt P1, P2; |
116 | surfAlgo.D0(uFirst, vMoy, P1); |
117 | surfAlgo.D0(uLast, vMoy, P2); |
118 | GC_MakeCircle mkCirc(P1, curpos, P2); |
119 | myCircle = mkCirc.Value()->Circ(); |
120 | } // else ... |
121 | |
122 | myPosition = curpos; |
123 | |
124 | // DISPLAY |
125 | // Add(myText, curpos, mCircle, uFirst, uLast) |
126 | |
127 | dis.Draw(myCircle,uFirst,uLast); |
128 | dis.DrawMarker(myPosition, Draw_Losange); |
129 | } |