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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 | |
18 | #include <BRep_Tool.hxx> |
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19 | #include <BRepAdaptor_Surface.hxx> |
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20 | #include <Draw_Display.hxx> |
21 | #include <DrawDim.hxx> |
22 | #include <DrawDim_Distance.hxx> |
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23 | #include <gp_Ax1.hxx> |
24 | #include <gp_Ax2.hxx> |
25 | #include <gp_Dir.hxx> |
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26 | #include <gp_Pln.hxx> |
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27 | #include <gp_Vec.hxx> |
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28 | #include <Precision.hxx> |
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29 | #include <Standard_Type.hxx> |
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30 | #include <TCollection_AsciiString.hxx> |
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31 | #include <TopExp_Explorer.hxx> |
32 | #include <TopoDS.hxx> |
33 | #include <TopoDS_Face.hxx> |
34 | #include <TopoDS_Shape.hxx> |
35 | #include <TopoDS_Vertex.hxx> |
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36 | |
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37 | IMPLEMENT_STANDARD_RTTIEXT(DrawDim_Distance,DrawDim_Dimension) |
38 | |
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39 | //======================================================================= |
40 | //function : DrawDim_Distance |
41 | //purpose : |
42 | //======================================================================= |
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43 | DrawDim_Distance::DrawDim_Distance (const TopoDS_Face& plane1, |
44 | const TopoDS_Face& plane2) |
45 | { |
46 | myPlane1 = plane1; |
47 | myPlane2 = plane2; |
48 | } |
49 | |
50 | |
51 | //======================================================================= |
52 | //function : DrawDim_Distance |
53 | //purpose : |
54 | //======================================================================= |
55 | |
56 | DrawDim_Distance::DrawDim_Distance (const TopoDS_Face& plane1) |
57 | |
58 | { |
59 | myPlane1 = plane1; |
60 | } |
61 | |
62 | //======================================================================= |
63 | //function : Plane1 |
64 | //purpose : |
65 | //======================================================================= |
66 | |
67 | const TopoDS_Face& DrawDim_Distance::Plane1() const |
68 | { |
69 | return myPlane1; |
70 | } |
71 | |
72 | //======================================================================= |
73 | //function : Plane1 |
74 | //purpose : |
75 | //======================================================================= |
76 | |
77 | void DrawDim_Distance::Plane1(const TopoDS_Face& face) |
78 | { |
79 | myPlane1 = face; |
80 | } |
81 | |
82 | //======================================================================= |
83 | //function : Plane2 |
84 | //purpose : |
85 | //======================================================================= |
86 | |
87 | const TopoDS_Face& DrawDim_Distance::Plane2() const |
88 | { |
89 | return myPlane2; |
90 | } |
91 | |
92 | //======================================================================= |
93 | //function : Plane2 |
94 | //purpose : |
95 | //======================================================================= |
96 | |
97 | void DrawDim_Distance::Plane2(const TopoDS_Face& face) |
98 | { |
99 | myPlane2 = face; |
100 | } |
101 | |
102 | |
103 | //======================================================================= |
104 | //function : DrawOn |
105 | //purpose : |
106 | //======================================================================= |
107 | |
108 | void DrawDim_Distance::DrawOn(Draw_Display& dis) const |
109 | { |
110 | |
111 | // compute the points and the direction |
112 | BRepAdaptor_Surface surf1(myPlane1); |
113 | |
114 | // today we process only planar faces |
115 | if (surf1.GetType() != GeomAbs_Plane) |
116 | return; |
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117 | |
118 | gp_Ax1 anAx1 = surf1.Plane().Axis(); |
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119 | gp_Vec V = anAx1.Direction(); |
120 | |
121 | // output |
122 | gp_Pnt FAttach; // first attach point |
123 | gp_Pnt SAttach; // second attach point |
124 | |
125 | // first point, try a vertex |
126 | TopExp_Explorer explo(myPlane1,TopAbs_VERTEX); |
127 | if (explo.More()) { |
128 | FAttach = BRep_Tool::Pnt(TopoDS::Vertex(explo.Current())); |
129 | } |
130 | else { |
131 | // no vertex, use the origin |
132 | FAttach = anAx1.Location(); |
133 | } |
134 | |
135 | |
136 | if (!myPlane2.IsNull()) { |
137 | // translate the point until the second face |
138 | BRepAdaptor_Surface surf2(myPlane2); |
139 | surf2.D0(0,0,SAttach); |
140 | Standard_Real r = V.Dot(gp_Vec(FAttach,SAttach)); |
141 | V *= r; |
142 | } |
143 | |
144 | SAttach = FAttach; |
145 | SAttach.Translate(V); |
146 | |
147 | // DISPLAY |
148 | dis.Draw (FAttach,SAttach); |
149 | V *= 0.5; |
150 | FAttach.Translate(V); |
151 | dis.DrawMarker(FAttach, Draw_Losange); |
152 | DrawText(FAttach,dis); |
153 | } |