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1 | // Created on: 1996-04-01 |
2 | // Created by: Flore Lantheaume |
3 | // Copyright (c) 1996-1999 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 | #include <DsgPrs_FixPresentation.hxx> |
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18 | |
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19 | #include <gp_Ax1.hxx> |
20 | #include <gp_Dir.hxx> |
21 | #include <gp_Pnt.hxx> |
22 | #include <gp_Vec.hxx> |
23 | #include <Graphic3d_ArrayOfPoints.hxx> |
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24 | #include <Graphic3d_ArrayOfSegments.hxx> |
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25 | #include <Graphic3d_AspectLine3d.hxx> |
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26 | #include <Graphic3d_AspectMarker3d.hxx> |
27 | #include <Graphic3d_Group.hxx> |
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28 | #include <Prs3d_DimensionAspect.hxx> |
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29 | #include <Prs3d_LineAspect.hxx> |
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30 | #include <Prs3d_Presentation.hxx> |
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31 | |
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32 | //======================================================================= |
33 | //function : Add |
34 | //purpose : |
35 | //======================================================================= |
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36 | void DsgPrs_FixPresentation::Add( |
37 | const Handle(Prs3d_Presentation)& aPresentation, |
38 | const Handle(Prs3d_Drawer)& aDrawer, |
39 | const gp_Pnt& aPntAttach, |
40 | const gp_Pnt& aPntEnd, |
41 | const gp_Dir& aNormPln, |
42 | const Standard_Real symbsize) |
43 | { |
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44 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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45 | aPresentation->CurrentGroup()->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
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46 | |
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47 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(10); |
48 | |
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49 | //Trace du segment de raccordement |
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50 | aPrims->AddVertex(aPntAttach); |
51 | aPrims->AddVertex(aPntEnd); |
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52 | |
53 | // trace du symbole 'Fix' |
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54 | gp_Vec dirac(aPntAttach, aPntEnd); // vecteur directeur du seg. de raccord |
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55 | dirac.Normalize(); |
56 | gp_Vec norac = dirac.Crossed(gp_Vec(aNormPln)); |
57 | gp_Ax1 ax(aPntEnd, aNormPln); |
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58 | norac.Rotate(ax, M_PI/8); // vecteur normal au seg. de raccord |
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59 | norac*=(symbsize/2); |
60 | gp_Pnt P1 = aPntEnd.Translated(norac); |
61 | gp_Pnt P2 = aPntEnd.Translated(-norac); |
62 | |
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63 | aPrims->AddVertex(P1); |
64 | aPrims->AddVertex(P2); |
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65 | |
66 | // trace des 'dents' |
67 | norac*=0.8; |
68 | P1 = aPntEnd.Translated(norac); |
69 | P2 = aPntEnd.Translated(-norac); |
70 | dirac*=(symbsize/2); |
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71 | gp_Pnt PF = P1; |
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72 | gp_Pnt PL = PF.Translated(dirac); |
73 | PL.Translate(norac); |
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74 | |
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75 | aPrims->AddVertex(PF); |
76 | aPrims->AddVertex(PL); |
77 | |
78 | PF = P2; |
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79 | PL = PF.Translated(dirac); |
80 | PL.Translate(norac); |
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81 | |
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82 | aPrims->AddVertex(PF); |
83 | aPrims->AddVertex(PL); |
84 | |
85 | PF.SetXYZ(0.5*(P1.XYZ() + P2.XYZ())); |
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86 | PL = PF.Translated(dirac); |
87 | PL.Translate(norac); |
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88 | |
89 | aPrims->AddVertex(PF); |
90 | aPrims->AddVertex(PL); |
91 | |
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92 | aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims); |
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93 | |
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94 | aPresentation->NewGroup(); |
95 | aPresentation->CurrentGroup()->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
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96 | Quantity_Color aColor = LA->LineAspect()->Aspect()->Color(); |
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97 | Handle(Graphic3d_AspectMarker3d) aMarkerAsp = new Graphic3d_AspectMarker3d (Aspect_TOM_O, aColor, 1.0); |
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98 | aPresentation->CurrentGroup()->SetPrimitivesAspect (aMarkerAsp); |
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99 | Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1); |
100 | anArrayOfPoints->AddVertex (aPntAttach.X(), aPntAttach.Y(), aPntAttach.Z()); |
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101 | aPresentation->CurrentGroup()->AddPrimitiveArray (anArrayOfPoints); |
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102 | } |