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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 | /*********************************************************************** |
15 | |
16 | FONCTION : |
17 | ---------- |
18 | Classe V3d_SpotLight : |
19 | |
20 | HISTORIQUE DES MODIFICATIONS : |
21 | -------------------------------- |
22 | 00-09-92 : GG ; Creation. |
23 | 18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick |
24 | 30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods) |
25 | 02.15.100 : JR : Clutter |
26 | |
27 | ************************************************************************/ |
28 | |
29 | /*----------------------------------------------------------------------*/ |
30 | /* |
31 | * Includes |
32 | */ |
33 | |
34 | #include <V3d.hxx> |
35 | #include <V3d_SpotLight.ixx> |
36 | #include <Graphic3d_Vector.hxx> |
37 | #include <Graphic3d_Vertex.hxx> |
38 | #include <Graphic3d_Structure.hxx> |
39 | #include <Graphic3d_Group.hxx> |
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40 | #include <Graphic3d_ArrayOfSegments.hxx> |
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41 | #include <Graphic3d_AspectMarker3d.hxx> |
42 | #include <Graphic3d_AspectLine3d.hxx> |
43 | #include <Graphic3d_AspectText3d.hxx> |
44 | #include <Visual3d_Light.hxx> |
45 | #include <Visual3d_ViewManager.hxx> |
46 | #include <Visual3d_ContextPick.hxx> |
47 | #include <Visual3d_PickDescriptor.hxx> |
48 | #include <Visual3d_HSequenceOfPickPath.hxx> |
49 | #include <Visual3d_PickPath.hxx> |
50 | #include <gp_Dir.hxx> |
51 | #include <gp_Ax1.hxx> |
52 | #include <gp_Vec.hxx> |
53 | #include <gp_Pnt.hxx> |
54 | #include <gp_Trsf.hxx> |
55 | #include <TCollection_AsciiString.hxx> |
56 | |
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57 | 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) { |
58 | |
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59 | V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 |
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60 | || AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle"); |
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61 | |
62 | Quantity_Color C(Name) ; |
63 | Graphic3d_Vector D = V3d::GetProjAxis(Direction) ; |
64 | Graphic3d_Vertex P(X,Y,Z) ; |
65 | Graphic3d_Vertex T; |
66 | |
67 | MyType = V3d_SPOT ; |
68 | MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ; |
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69 | // The target is fixed, starting from the light position and the direction. |
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70 | T.SetCoord(X + D.X(), Y + D.Y(), Z + D.Z()); |
71 | MyTarget = T; |
72 | } |
73 | |
74 | 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) { |
75 | |
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76 | V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 |
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77 | || AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle"); |
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78 | |
79 | Quantity_Color C(Name) ; |
80 | Graphic3d_Vertex T(Xt,Yt,Zt) ; |
81 | Graphic3d_Vertex P(Xp,Yp,Zp) ; |
82 | Graphic3d_Vector D(P,T); |
83 | |
84 | MyType = V3d_SPOT ; |
85 | D.Normalize(); |
86 | MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ; |
87 | MyTarget = T; |
88 | // La Structure graphique sera initialisee lors de l'affichage. |
89 | } |
90 | |
91 | |
92 | //-Methods, in order |
93 | |
94 | void V3d_SpotLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) { |
95 | MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp)); |
96 | } |
97 | |
98 | void V3d_SpotLight::SetDirection(const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz) { |
99 | |
100 | Graphic3d_Vector D ; |
101 | D.SetCoord(Vx,Vy,Vz) ; D.Normalize() ; |
102 | MyLight->SetDirection(D) ; |
103 | } |
104 | |
105 | void V3d_SpotLight::SetDirection(const V3d_TypeOfOrientation Direction) { |
106 | |
107 | Graphic3d_Vector D = V3d::GetProjAxis(Direction) ; |
108 | MyLight->SetDirection(D) ; |
109 | } |
110 | |
111 | void V3d_SpotLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) { |
112 | |
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113 | V3d_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 , |
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114 | "V3d_SpotLight::SetAttenuation, bad coefficients"); |
115 | |
116 | MyLight->SetAttenuation1(A1) ; |
117 | MyLight->SetAttenuation2(A2) ; |
118 | } |
119 | |
120 | void V3d_SpotLight::SetConcentration(const Standard_Real C) { |
121 | |
122 | |
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123 | V3d_BadValue_Raise_if( C < 0 || C > 1., |
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124 | "V3d_SpotLight::SetConcentration, bad coefficient"); |
125 | |
126 | MyLight->SetConcentration(C) ; |
127 | } |
128 | |
129 | void V3d_SpotLight::SetAngle(const Standard_Real Angle) { |
130 | |
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131 | V3d_BadValue_Raise_if( Angle <= 0. || Angle >= M_PI, |
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132 | "V3d_SpotLight::SetAngle, bad angle"); |
133 | MyLight->SetAngle(Angle) ; |
134 | |
135 | } |
136 | |
137 | void V3d_SpotLight::Direction(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz)const { |
138 | |
139 | Quantity_Color C ; |
140 | Graphic3d_Vector D ; |
141 | Graphic3d_Vertex P ; |
142 | Standard_Real CN,A1,A2,AN ; |
143 | |
144 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
145 | D.Coord(Vx,Vy,Vz) ; |
146 | } |
147 | |
148 | void V3d_SpotLight::Position(Standard_Real& Xp, Standard_Real& Yp, Standard_Real& Zp)const { |
149 | |
150 | Quantity_Color C ; |
151 | Graphic3d_Vector D ; |
152 | Graphic3d_Vertex P ; |
153 | Standard_Real CN,A1,A2,AN ; |
154 | |
155 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
156 | P.Coord(Xp,Yp,Zp) ; |
157 | } |
158 | |
159 | void V3d_SpotLight::Attenuation(Standard_Real& A1, Standard_Real& A2) const { |
160 | Quantity_Color C ; |
161 | Graphic3d_Vector D ; |
162 | Graphic3d_Vertex P ; |
163 | Standard_Real CN,AN ; |
164 | |
165 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
166 | } |
167 | |
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168 | Standard_Real V3d_SpotLight::Concentration()const |
169 | { |
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170 | Quantity_Color C ; |
171 | Graphic3d_Vector D ; |
172 | Graphic3d_Vertex P ; |
173 | Standard_Real AN,A1,A2,CN ; |
174 | |
175 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
176 | return CN ; |
177 | } |
178 | |
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179 | Standard_Real V3d_SpotLight::Angle()const |
180 | { |
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181 | Quantity_Color C ; |
182 | Graphic3d_Vector D ; |
183 | Graphic3d_Vertex P ; |
184 | Standard_Real CN,A1,A2,AN ; |
185 | |
186 | MyLight->Values(C,P,D,CN,A1,A2,AN) ; |
187 | return AN ; |
188 | } |
189 | |
190 | void V3d_SpotLight::Symbol (const Handle(Graphic3d_Group)& gsymbol, |
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191 | const Handle(V3d_View)& ) const |
192 | { |
193 | Standard_Real X,Y,Z; |
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194 | Standard_Real DX,DY,DZ; |
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195 | this->Position(X,Y,Z); |
196 | this->Direction(DX,DY,DZ); |
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197 | |
198 | V3d::ArrowOfRadius(gsymbol,X,Y,Z,-DX,-DY,-DZ,M_PI/8.,this->Radius()/15.); |
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199 | } |
200 | |
201 | void V3d_SpotLight::Display( const Handle(V3d_View)& aView, |
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202 | const V3d_TypeOfRepresentation TPres) |
203 | { |
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204 | Graphic3d_Vertex PText ; |
205 | Standard_Real X,Y,Z,Rayon; |
206 | Standard_Real X0,Y0,Z0,VX,VY,VZ; |
207 | Standard_Real X1,Y1,Z1; |
208 | Standard_Real DXRef,DYRef,DZRef,DXini,DYini,DZini; |
209 | Standard_Real R1,G1,B1; |
210 | V3d_TypeOfRepresentation Pres; |
211 | V3d_TypeOfUpdate UpdSov; |
212 | |
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213 | // Creation of a structure slight of markable elements (position of the |
214 | // light, and the domain of lighting represented by a circle) |
215 | // Creation of a structure snopick of non-markable elements (target, meridian and |
216 | // parallel).// |
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217 | |
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218 | Pres = TPres; |
219 | Handle(V3d_Viewer) TheViewer = aView->Viewer(); |
220 | UpdSov = TheViewer->UpdateMode(); |
221 | TheViewer->SetUpdateMode(V3d_WAIT); |
222 | if (!MyGraphicStructure.IsNull()) { |
223 | MyGraphicStructure->Disconnect(MyGraphicStructure1); |
224 | MyGraphicStructure->Clear(); |
225 | MyGraphicStructure1->Clear(); |
226 | if (Pres == V3d_SAMELAST) Pres = MyTypeOfRepresentation; |
227 | } |
228 | else { |
229 | if (Pres == V3d_SAMELAST) Pres = V3d_SIMPLE; |
230 | Handle(Graphic3d_Structure) slight = new Graphic3d_Structure(TheViewer->Viewer()); |
231 | MyGraphicStructure = slight; |
232 | Handle(Graphic3d_Structure) snopick = new Graphic3d_Structure(TheViewer->Viewer()); |
233 | MyGraphicStructure1 = snopick; |
234 | } |
235 | |
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236 | Handle(Graphic3d_Group) gradius, gExtArrow, gIntArrow; |
237 | if (Pres == V3d_COMPLETE) |
238 | { |
239 | gradius = MyGraphicStructure->NewGroup(); |
240 | gExtArrow = MyGraphicStructure->NewGroup(); |
241 | gIntArrow = MyGraphicStructure->NewGroup(); |
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242 | } |
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243 | Handle(Graphic3d_Group) glight = MyGraphicStructure->NewGroup(); |
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244 | Handle(Graphic3d_Group) gsphere; |
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245 | if (Pres == V3d_COMPLETE |
246 | || Pres == V3d_PARTIAL) |
247 | { |
248 | gsphere = MyGraphicStructure->NewGroup(); |
249 | } |
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250 | |
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251 | Handle(Graphic3d_Group) gnopick = MyGraphicStructure1->NewGroup(); |
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252 | MyGraphicStructure1->SetPick(Standard_False); |
253 | |
254 | X0 = MyTarget.X(); |
255 | Y0 = MyTarget.Y(); |
256 | Z0 = MyTarget.Z(); |
257 | |
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258 | //Display of the position of the light. |
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259 | |
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260 | this->Color(Quantity_TOC_RGB,R1,G1,B1); |
261 | Quantity_Color Col1(R1,G1,B1,Quantity_TOC_RGB); |
262 | Handle(Graphic3d_AspectLine3d) Asp1 = new Graphic3d_AspectLine3d(); |
263 | Asp1->SetColor(Col1); |
264 | glight->SetPrimitivesAspect(Asp1); |
265 | this->Symbol(glight,aView); |
266 | |
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267 | // Display of the reference sphere (limited by circle). |
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268 | |
269 | if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) { |
270 | |
271 | Rayon = this->Radius(); |
272 | aView->Proj(VX,VY,VZ); |
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273 | V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon); |
274 | |
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275 | // Display of the radius of the sphere (line + text) |
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276 | |
277 | if (Pres == V3d_COMPLETE) { |
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278 | this->Position(X,Y,Z); |
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279 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
280 | aPrims->AddVertex(X0,Y0,Z0); |
281 | aPrims->AddVertex(X,Y,Z); |
282 | gnopick->AddPrimitiveArray(aPrims); |
283 | 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.); |
284 | V3d::ArrowOfRadius(gIntArrow,X0,Y0,Z0,X0-X,Y0-Y,Z0-Z,M_PI/15.,Rayon/20.); |
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285 | TCollection_AsciiString ValOfRadius(Rayon); |
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286 | PText.SetCoord( .5*(X0+X), .5*(Y0+Y), .5*(Z0+Z) ); |
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287 | gradius->Text(ValOfRadius.ToCString(),PText,0.01); |
288 | } |
289 | |
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290 | // Display of the meridian |
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291 | |
292 | Quantity_Color Col2(Quantity_NOC_GREEN); |
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293 | Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d(Col2,Aspect_TOL_SOLID,1.); |
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294 | gnopick->SetPrimitivesAspect(Asp2); |
295 | |
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296 | // Definition of the axis of the circle |
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297 | aView->Up(DXRef,DYRef,DZRef); |
298 | this->Position(X,Y,Z); |
299 | DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0; |
300 | VX = DYRef*DZini - DZRef*DYini; |
301 | VY = DZRef*DXini - DXRef*DZini; |
302 | VZ = DXRef*DYini - DYRef*DXini; |
303 | |
304 | V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon); |
305 | |
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306 | // Display of the parallel |
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307 | |
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308 | // Definition of the axis of the circle |
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309 | aView->Proj(VX,VY,VZ); |
310 | aView->Up(X1,Y1,Z1); |
311 | DXRef = VY * Z1 - VZ * Y1; |
312 | DYRef = VZ * X1 - VX * Z1; |
313 | DZRef = VX * Y1 - VY * X1; |
314 | this->Position(X,Y,Z); |
315 | DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0; |
316 | VX = DYRef*DZini - DZRef*DYini; |
317 | VY = DZRef*DXini - DXRef*DZini; |
318 | VZ = DXRef*DYini - DYRef*DXini; |
319 | |
320 | V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon); |
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321 | } |
322 | |
323 | MyGraphicStructure->Connect(MyGraphicStructure1,Graphic3d_TOC_DESCENDANT); |
324 | MyTypeOfRepresentation = Pres; |
325 | MyGraphicStructure->Display(); |
326 | TheViewer->SetUpdateMode(UpdSov); |
327 | } |