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1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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2 | // |
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3 | // This file is part of Open CASCADE Technology software library. |
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4 | // |
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5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
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10 | // |
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11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
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13 | |
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14 | /*********************************************************************** |
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15 | FONCTION : |
16 | ---------- |
17 | Classe V3d_SpotLight : |
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18 | HISTORIQUE DES MODIFICATIONS : |
19 | -------------------------------- |
20 | 00-09-92 : GG ; Creation. |
21 | 18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick |
22 | 30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods) |
23 | 02.15.100 : JR : Clutter |
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24 | ************************************************************************/ |
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25 | /*----------------------------------------------------------------------*/ |
26 | /* |
27 | * Includes |
28 | */ |
29 | |
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30 | #include <gp_Ax1.hxx> |
31 | #include <gp_Dir.hxx> |
32 | #include <gp_Pnt.hxx> |
33 | #include <gp_Trsf.hxx> |
34 | #include <gp_Vec.hxx> |
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35 | #include <Graphic3d_ArrayOfSegments.hxx> |
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36 | #include <Graphic3d_AspectLine3d.hxx> |
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37 | #include <Graphic3d_AspectMarker3d.hxx> |
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38 | #include <Graphic3d_AspectText3d.hxx> |
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39 | #include <Graphic3d_Group.hxx> |
40 | #include <Graphic3d_Structure.hxx> |
41 | #include <Graphic3d_Vector.hxx> |
42 | #include <Graphic3d_Vertex.hxx> |
43 | #include <Standard_Type.hxx> |
44 | #include <TCollection_AsciiString.hxx> |
45 | #include <V3d.hxx> |
46 | #include <V3d_BadValue.hxx> |
47 | #include <V3d_SpotLight.hxx> |
48 | #include <V3d_View.hxx> |
49 | #include <V3d_Viewer.hxx> |
50 | #include <Visual3d_ContextPick.hxx> |
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51 | #include <Visual3d_Light.hxx> |
52 | #include <Visual3d_ViewManager.hxx> |
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53 | |
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54 | V3d_SpotLight::V3d_SpotLight(const Handle(V3d_Viewer)& VM, const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const V3d_TypeOfOrientation Direction, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2, const Standard_Real CN, const Standard_Real AN):V3d_PositionLight(VM) { |
55 | |
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56 | V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 |
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57 | || AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle"); |
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58 | |
59 | Quantity_Color C(Name) ; |
60 | Graphic3d_Vector D = V3d::GetProjAxis(Direction) ; |
61 | Graphic3d_Vertex P(X,Y,Z) ; |
62 | Graphic3d_Vertex T; |
63 | |
64 | MyType = V3d_SPOT ; |
65 | MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ; |
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66 | // The target is fixed, starting from the light position and the direction. |
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67 | T.SetCoord(X + D.X(), Y + D.Y(), Z + D.Z()); |
68 | MyTarget = T; |
69 | } |
70 | |
71 | V3d_SpotLight::V3d_SpotLight(const Handle(V3d_Viewer)& VM, const Standard_Real Xt, const Standard_Real Yt, const Standard_Real Zt, const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2, const Standard_Real CN, const Standard_Real AN):V3d_PositionLight(VM) { |
72 | |
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73 | V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 |
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74 | || AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle"); |
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75 | |
76 | Quantity_Color C(Name) ; |
77 | Graphic3d_Vertex T(Xt,Yt,Zt) ; |
78 | Graphic3d_Vertex P(Xp,Yp,Zp) ; |
79 | Graphic3d_Vector D(P,T); |
80 | |
81 | MyType = V3d_SPOT ; |
82 | D.Normalize(); |
83 | MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ; |
84 | MyTarget = T; |
85 | // La Structure graphique sera initialisee lors de l'affichage. |
86 | } |
87 | |
88 | |
89 | //-Methods, in order |
90 | |
91 | void V3d_SpotLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) { |
92 | MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp)); |
93 | } |
94 | |
95 | void V3d_SpotLight::SetDirection(const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz) { |
96 | |
97 | Graphic3d_Vector D ; |
98 | D.SetCoord(Vx,Vy,Vz) ; D.Normalize() ; |
99 | MyLight->SetDirection(D) ; |
100 | } |
101 | |
102 | void V3d_SpotLight::SetDirection(const V3d_TypeOfOrientation Direction) { |
103 | |
104 | Graphic3d_Vector D = V3d::GetProjAxis(Direction) ; |
105 | MyLight->SetDirection(D) ; |
106 | } |
107 | |
108 | void V3d_SpotLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) { |
109 | |
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110 | V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 , |
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111 | "V3d_SpotLight::SetAttenuation, bad coefficients"); |
112 | |
113 | MyLight->SetAttenuation1(A1) ; |
114 | MyLight->SetAttenuation2(A2) ; |
115 | } |
116 | |
117 | void V3d_SpotLight::SetConcentration(const Standard_Real C) { |
118 | |
119 | |
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120 | V3d_BadValue_Raise_if( C < 0 || C > 1., |
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121 | "V3d_SpotLight::SetConcentration, bad coefficient"); |
122 | |
123 | MyLight->SetConcentration(C) ; |
124 | } |
125 | |
126 | void V3d_SpotLight::SetAngle(const Standard_Real Angle) { |
127 | |
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128 | V3d_BadValue_Raise_if( Angle <= 0. || Angle >= M_PI, |
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129 | "V3d_SpotLight::SetAngle, bad angle"); |
130 | MyLight->SetAngle(Angle) ; |
131 | |
132 | } |
133 | |
134 | void V3d_SpotLight::Direction(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz)const { |
135 | |
136 | Quantity_Color C ; |
137 | Graphic3d_Vector D ; |
138 | Graphic3d_Vertex P ; |
139 | Standard_Real CN,A1,A2,AN ; |
140 | |
141 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
142 | D.Coord(Vx,Vy,Vz) ; |
143 | } |
144 | |
145 | void V3d_SpotLight::Position(Standard_Real& Xp, Standard_Real& Yp, Standard_Real& Zp)const { |
146 | |
147 | Quantity_Color C ; |
148 | Graphic3d_Vector D ; |
149 | Graphic3d_Vertex P ; |
150 | Standard_Real CN,A1,A2,AN ; |
151 | |
152 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
153 | P.Coord(Xp,Yp,Zp) ; |
154 | } |
155 | |
156 | void V3d_SpotLight::Attenuation(Standard_Real& A1, Standard_Real& A2) const { |
157 | Quantity_Color C ; |
158 | Graphic3d_Vector D ; |
159 | Graphic3d_Vertex P ; |
160 | Standard_Real CN,AN ; |
161 | |
162 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
163 | } |
164 | |
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165 | Standard_Real V3d_SpotLight::Concentration()const |
166 | { |
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167 | Quantity_Color C ; |
168 | Graphic3d_Vector D ; |
169 | Graphic3d_Vertex P ; |
170 | Standard_Real AN,A1,A2,CN ; |
171 | |
172 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
173 | return CN ; |
174 | } |
175 | |
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176 | Standard_Real V3d_SpotLight::Angle()const |
177 | { |
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178 | Quantity_Color C ; |
179 | Graphic3d_Vector D ; |
180 | Graphic3d_Vertex P ; |
181 | Standard_Real CN,A1,A2,AN ; |
182 | |
183 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
184 | return AN ; |
185 | } |
186 | |
187 | void V3d_SpotLight::Symbol (const Handle(Graphic3d_Group)& gsymbol, |
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188 | const Handle(V3d_View)& ) const |
189 | { |
190 | Standard_Real X,Y,Z; |
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191 | Standard_Real DX,DY,DZ; |
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192 | this->Position(X,Y,Z); |
193 | this->Direction(DX,DY,DZ); |
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194 | |
195 | V3d::ArrowOfRadius(gsymbol,X,Y,Z,-DX,-DY,-DZ,M_PI/8.,this->Radius()/15.); |
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196 | } |
197 | |
198 | void V3d_SpotLight::Display( const Handle(V3d_View)& aView, |
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199 | const V3d_TypeOfRepresentation TPres) |
200 | { |
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201 | Graphic3d_Vertex PText ; |
202 | Standard_Real X,Y,Z,Rayon; |
203 | Standard_Real X0,Y0,Z0,VX,VY,VZ; |
204 | Standard_Real X1,Y1,Z1; |
205 | Standard_Real DXRef,DYRef,DZRef,DXini,DYini,DZini; |
206 | Standard_Real R1,G1,B1; |
207 | V3d_TypeOfRepresentation Pres; |
208 | V3d_TypeOfUpdate UpdSov; |
209 | |
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210 | // Creation of a structure slight of markable elements (position of the |
211 | // light, and the domain of lighting represented by a circle) |
212 | // Creation of a structure snopick of non-markable elements (target, meridian and |
213 | // parallel).// |
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214 | |
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215 | Pres = TPres; |
216 | Handle(V3d_Viewer) TheViewer = aView->Viewer(); |
217 | UpdSov = TheViewer->UpdateMode(); |
218 | TheViewer->SetUpdateMode(V3d_WAIT); |
219 | if (!MyGraphicStructure.IsNull()) { |
220 | MyGraphicStructure->Disconnect(MyGraphicStructure1); |
221 | MyGraphicStructure->Clear(); |
222 | MyGraphicStructure1->Clear(); |
223 | if (Pres == V3d_SAMELAST) Pres = MyTypeOfRepresentation; |
224 | } |
225 | else { |
226 | if (Pres == V3d_SAMELAST) Pres = V3d_SIMPLE; |
227 | Handle(Graphic3d_Structure) slight = new Graphic3d_Structure(TheViewer->Viewer()); |
228 | MyGraphicStructure = slight; |
229 | Handle(Graphic3d_Structure) snopick = new Graphic3d_Structure(TheViewer->Viewer()); |
230 | MyGraphicStructure1 = snopick; |
231 | } |
232 | |
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233 | Handle(Graphic3d_Group) gradius, gExtArrow, gIntArrow; |
234 | if (Pres == V3d_COMPLETE) |
235 | { |
236 | gradius = MyGraphicStructure->NewGroup(); |
237 | gExtArrow = MyGraphicStructure->NewGroup(); |
238 | gIntArrow = MyGraphicStructure->NewGroup(); |
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239 | } |
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240 | Handle(Graphic3d_Group) glight = MyGraphicStructure->NewGroup(); |
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241 | Handle(Graphic3d_Group) gsphere; |
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242 | if (Pres == V3d_COMPLETE |
243 | || Pres == V3d_PARTIAL) |
244 | { |
245 | gsphere = MyGraphicStructure->NewGroup(); |
246 | } |
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247 | |
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248 | Handle(Graphic3d_Group) gnopick = MyGraphicStructure1->NewGroup(); |
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249 | |
250 | X0 = MyTarget.X(); |
251 | Y0 = MyTarget.Y(); |
252 | Z0 = MyTarget.Z(); |
253 | |
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254 | //Display of the position of the light. |
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255 | |
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256 | this->Color(Quantity_TOC_RGB,R1,G1,B1); |
257 | Quantity_Color Col1(R1,G1,B1,Quantity_TOC_RGB); |
258 | Handle(Graphic3d_AspectLine3d) Asp1 = new Graphic3d_AspectLine3d(); |
259 | Asp1->SetColor(Col1); |
260 | glight->SetPrimitivesAspect(Asp1); |
261 | this->Symbol(glight,aView); |
262 | |
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263 | // Display of the reference sphere (limited by circle). |
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264 | |
265 | if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) { |
266 | |
267 | Rayon = this->Radius(); |
268 | aView->Proj(VX,VY,VZ); |
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269 | V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon); |
270 | |
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271 | // Display of the radius of the sphere (line + text) |
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272 | |
273 | if (Pres == V3d_COMPLETE) { |
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274 | this->Position(X,Y,Z); |
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275 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
276 | aPrims->AddVertex(X0,Y0,Z0); |
277 | aPrims->AddVertex(X,Y,Z); |
278 | gnopick->AddPrimitiveArray(aPrims); |
279 | V3d::ArrowOfRadius(gExtArrow,X-.1*(X-X0),Y-.1*(Y-Y0),Z-.1*(Z-Z0),X-X0,Y-Y0,Z-Z0,M_PI/15.,Rayon/20.); |
280 | V3d::ArrowOfRadius(gIntArrow,X0,Y0,Z0,X0-X,Y0-Y,Z0-Z,M_PI/15.,Rayon/20.); |
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281 | TCollection_AsciiString ValOfRadius(Rayon); |
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282 | PText.SetCoord( .5*(X0+X), .5*(Y0+Y), .5*(Z0+Z) ); |
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283 | gradius->Text(ValOfRadius.ToCString(),PText,0.01); |
284 | } |
285 | |
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286 | // Display of the meridian |
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287 | |
288 | Quantity_Color Col2(Quantity_NOC_GREEN); |
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289 | Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d(Col2,Aspect_TOL_SOLID,1.); |
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290 | gnopick->SetPrimitivesAspect(Asp2); |
291 | |
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292 | // Definition of the axis of the circle |
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293 | aView->Up(DXRef,DYRef,DZRef); |
294 | this->Position(X,Y,Z); |
295 | DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0; |
296 | VX = DYRef*DZini - DZRef*DYini; |
297 | VY = DZRef*DXini - DXRef*DZini; |
298 | VZ = DXRef*DYini - DYRef*DXini; |
299 | |
300 | V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon); |
301 | |
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302 | // Display of the parallel |
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303 | |
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304 | // Definition of the axis of the circle |
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305 | aView->Proj(VX,VY,VZ); |
306 | aView->Up(X1,Y1,Z1); |
307 | DXRef = VY * Z1 - VZ * Y1; |
308 | DYRef = VZ * X1 - VX * Z1; |
309 | DZRef = VX * Y1 - VY * X1; |
310 | this->Position(X,Y,Z); |
311 | DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0; |
312 | VX = DYRef*DZini - DZRef*DYini; |
313 | VY = DZRef*DXini - DXRef*DZini; |
314 | VZ = DXRef*DYini - DYRef*DXini; |
315 | |
316 | V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon); |
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317 | } |
318 | |
319 | MyGraphicStructure->Connect(MyGraphicStructure1,Graphic3d_TOC_DESCENDANT); |
320 | MyTypeOfRepresentation = Pres; |
321 | MyGraphicStructure->Display(); |
322 | TheViewer->SetUpdateMode(UpdSov); |
323 | } |