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1 | // Created on: 1998-01-26 |
2 | // Created by: Sergey ZARITCHNY |
3 | // Copyright (c) 1998-1999 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_EllipseRadiusPresentation.hxx> |
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18 | |
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19 | #include <DsgPrs.hxx> |
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20 | #include <ElCLib.hxx> |
21 | #include <Geom_Ellipse.hxx> |
22 | #include <Geom_Line.hxx> |
23 | #include <Geom_OffsetCurve.hxx> |
24 | #include <Geom_TrimmedCurve.hxx> |
25 | #include <GeomAPI_ExtremaCurveCurve.hxx> |
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26 | #include <gp_Dir.hxx> |
27 | #include <gp_Elips.hxx> |
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28 | #include <gp_Lin.hxx> |
29 | #include <gp_Pnt.hxx> |
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30 | #include <Graphic3d_ArrayOfPolylines.hxx> |
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31 | #include <Graphic3d_ArrayOfSegments.hxx> |
32 | #include <Graphic3d_AspectLine3d.hxx> |
33 | #include <Graphic3d_AspectMarker3d.hxx> |
34 | #include <Graphic3d_Group.hxx> |
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35 | #include <Precision.hxx> |
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36 | #include <Prs3d_Arrow.hxx> |
37 | #include <Prs3d_ArrowAspect.hxx> |
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38 | #include <Prs3d_DimensionAspect.hxx> |
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39 | #include <Prs3d_LineAspect.hxx> |
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40 | #include <Prs3d_Presentation.hxx> |
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41 | #include <Prs3d_Text.hxx> |
42 | #include <TCollection_AsciiString.hxx> |
43 | #include <TCollection_ExtendedString.hxx> |
44 | |
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45 | //======================================================================= |
46 | //function : Add |
47 | //purpose : |
48 | //======================================================================= |
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49 | void DsgPrs_EllipseRadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
50 | const Handle(Prs3d_Drawer)& aDrawer, |
51 | const Standard_Real theval, |
52 | const TCollection_ExtendedString & aText, |
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53 | const gp_Pnt & aPosition, |
54 | const gp_Pnt & anEndOfArrow, |
55 | const gp_Pnt & aCenter, |
56 | const Standard_Boolean IsMaxRadius, |
57 | const DsgPrs_ArrowSide ArrowPrs) |
58 | { |
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59 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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60 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
61 | |
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62 | const Standard_Real dist = aCenter.Distance( aPosition ); |
63 | const Standard_Boolean inside = ( dist <= theval ); |
64 | gp_Pnt EndPoint(inside? anEndOfArrow : aPosition); |
65 | |
66 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
67 | aPrims->AddVertex(aCenter); |
68 | aPrims->AddVertex(EndPoint); |
69 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
70 | |
71 | // value |
72 | TCollection_ExtendedString Text(IsMaxRadius? "a = " : "b = "); |
73 | Text += aText; |
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74 | Prs3d_Text::Draw(aPresentation, LA->TextAspect(), Text, aPosition ); |
75 | |
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76 | // arrows |
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77 | gp_Dir arrdir( gp_Vec( aCenter, anEndOfArrow)); |
78 | if (!inside) arrdir.Reverse(); |
79 | |
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80 | DsgPrs::ComputeSymbol(aPresentation, LA, anEndOfArrow, anEndOfArrow, arrdir, arrdir, ArrowPrs ); |
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81 | } |
82 | |
83 | //======================================================================= |
84 | //function : Add |
85 | //purpose : |
86 | //======================================================================= |
87 | |
88 | void DsgPrs_EllipseRadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
89 | const Handle(Prs3d_Drawer)& aDrawer, |
90 | const Standard_Real theval, |
91 | const TCollection_ExtendedString & aText, |
92 | const gp_Elips & anEllipse, |
93 | const gp_Pnt & aPosition, |
94 | const gp_Pnt & anEndOfArrow, |
95 | const gp_Pnt & aCenter, |
96 | const Standard_Real uFirst, |
97 | const Standard_Boolean IsInDomain, |
98 | const Standard_Boolean IsMaxRadius, |
99 | const DsgPrs_ArrowSide ArrowPrs) |
100 | { |
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101 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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102 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
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103 | |
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104 | if(!IsInDomain) |
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105 | { |
106 | const Standard_Real uLast = ElCLib::Parameter ( anEllipse, anEndOfArrow ); |
107 | const Standard_Real Alpha = DsgPrs::DistanceFromApex(anEllipse, anEndOfArrow, uFirst);//length of ellipse arc |
108 | gp_Vec Vapex(aCenter, ElCLib::Value( uLast, anEllipse )) ; |
109 | gp_Vec Vpnt(aCenter, ElCLib::Value( uFirst, anEllipse )) ; |
110 | gp_Dir dir(Vpnt ^ Vapex); |
111 | Standard_Real parFirst = anEllipse.Position().Direction().IsOpposite( dir, Precision::Angular())? uLast : uFirst; |
112 | const Standard_Integer NodeNumber = Max (4 , Standard_Integer (50. * Alpha / M_PI)); |
113 | const Standard_Real delta = Alpha / ( NodeNumber - 1 ); |
114 | |
115 | Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(NodeNumber); |
116 | for (Standard_Integer i = 0 ; i < NodeNumber; i++, parFirst += delta) |
117 | aPrims->AddVertex(ElCLib::Value( parFirst, anEllipse )); |
118 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
119 | } |
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120 | DsgPrs_EllipseRadiusPresentation::Add(aPresentation, aDrawer, theval, aText, |
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121 | aPosition, anEndOfArrow, aCenter, IsMaxRadius, ArrowPrs); |
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122 | } |
123 | |
124 | |
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125 | //======================================================================= |
126 | //function : Add |
127 | //purpose : // for offset curve |
128 | //======================================================================= |
129 | |
130 | void DsgPrs_EllipseRadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
131 | const Handle(Prs3d_Drawer)& aDrawer, |
132 | const Standard_Real theval, |
133 | const TCollection_ExtendedString & aText, |
134 | const Handle(Geom_OffsetCurve) & aCurve, |
135 | const gp_Pnt & aPosition, |
136 | const gp_Pnt & anEndOfArrow, |
137 | const gp_Pnt & aCenter, |
138 | const Standard_Real uFirst, |
139 | const Standard_Boolean IsInDomain, |
140 | const Standard_Boolean IsMaxRadius, |
141 | const DsgPrs_ArrowSide ArrowPrs) |
142 | { |
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143 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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144 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
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145 | |
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146 | if(!IsInDomain) |
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147 | { |
148 | if(!aCurve->IsCN(1)) return ; |
149 | gp_Elips aBEllipse = Handle(Geom_Ellipse)::DownCast(aCurve->BasisCurve ())->Elips(); |
150 | const Standard_Real Offset = aCurve->Offset(); |
151 | aBEllipse.SetMajorRadius(aBEllipse.MajorRadius() + Offset); |
152 | aBEllipse.SetMinorRadius(aBEllipse.MinorRadius() + Offset); |
153 | const Standard_Real uLast = ElCLib::Parameter ( aBEllipse, anEndOfArrow ); |
154 | const Standard_Real Alpha = DsgPrs::DistanceFromApex(aBEllipse, anEndOfArrow, uFirst);//length of ellipse arc |
155 | gp_Pnt p1; |
156 | aCurve->D0(uFirst, p1); |
157 | gp_Vec Vapex(aCenter, anEndOfArrow) ; |
158 | gp_Vec Vpnt (aCenter, p1) ; |
159 | gp_Dir dir(Vpnt ^ Vapex); |
160 | Standard_Real parFirst = aCurve->Direction().IsOpposite( dir, Precision::Angular())? uLast : uFirst; |
161 | const Standard_Integer NodeNumber = Max (4 , Standard_Integer (50. * Alpha / M_PI)); |
162 | const Standard_Real delta = Alpha / ( NodeNumber - 1 ); |
163 | |
164 | Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(NodeNumber); |
165 | for (Standard_Integer i = 0 ; i < NodeNumber; i++, parFirst += delta) |
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166 | { |
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167 | aCurve->D0( parFirst, p1 ); |
168 | aPrims->AddVertex(p1); |
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169 | } |
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170 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
171 | } |
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172 | DsgPrs_EllipseRadiusPresentation::Add(aPresentation, aDrawer, theval, aText, |
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173 | aPosition, anEndOfArrow, aCenter, IsMaxRadius, ArrowPrs); |
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174 | } |