Integration of OCCT 6.5.0 from SVN
[occt.git] / src / V3d / V3d_SpotLight.cxx
CommitLineData
7fd59977 1/***********************************************************************
2
3 FONCTION :
4 ----------
5 Classe V3d_SpotLight :
6
7 HISTORIQUE DES MODIFICATIONS :
8 --------------------------------
9 00-09-92 : GG ; Creation.
10 18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick
11 30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods)
12 02.15.100 : JR : Clutter
13
14************************************************************************/
15
16/*----------------------------------------------------------------------*/
17/*
18 * Includes
19 */
20
21#include <V3d.hxx>
22#include <V3d_SpotLight.ixx>
23#include <Graphic3d_Vector.hxx>
24#include <Graphic3d_Vertex.hxx>
25#include <Graphic3d_Structure.hxx>
26#include <Graphic3d_Group.hxx>
27#include <Graphic3d_Array1OfVertex.hxx>
28#include <Graphic3d_AspectMarker3d.hxx>
29#include <Graphic3d_AspectLine3d.hxx>
30#include <Graphic3d_AspectText3d.hxx>
31#include <Visual3d_Light.hxx>
32#include <Visual3d_ViewManager.hxx>
33#include <Visual3d_ContextPick.hxx>
34#include <Visual3d_PickDescriptor.hxx>
35#include <Visual3d_HSequenceOfPickPath.hxx>
36#include <Visual3d_PickPath.hxx>
37#include <gp_Dir.hxx>
38#include <gp_Ax1.hxx>
39#include <gp_Vec.hxx>
40#include <gp_Pnt.hxx>
41#include <gp_Trsf.hxx>
42#include <TCollection_AsciiString.hxx>
43
44#ifdef WNT
45# include <WNT_Window.hxx>
46#else
47# include <Xw_Window.hxx>
48#endif
49
50
51V3d_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) {
52
53 Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1
54 || AN < 0. || AN > PI, "V3d_SpotLight, bad coefficient or angle");
55
56 Quantity_Color C(Name) ;
57 Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
58 Graphic3d_Vertex P(X,Y,Z) ;
59 Graphic3d_Vertex T;
60
61 MyType = V3d_SPOT ;
62 MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
63 // On fixe la cible, a partir de la position de la light et de la direction.
64 T.SetCoord(X + D.X(), Y + D.Y(), Z + D.Z());
65 MyTarget = T;
66}
67
68V3d_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) {
69
70 Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1
71 || AN < 0. || AN > PI, "V3d_SpotLight, bad coefficient or angle");
72
73 Quantity_Color C(Name) ;
74 Graphic3d_Vertex T(Xt,Yt,Zt) ;
75 Graphic3d_Vertex P(Xp,Yp,Zp) ;
76 Graphic3d_Vector D(P,T);
77
78 MyType = V3d_SPOT ;
79 D.Normalize();
80 MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
81 MyTarget = T;
82 // La Structure graphique sera initialisee lors de l'affichage.
83}
84
85
86//-Methods, in order
87
88void V3d_SpotLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) {
89 MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp));
90}
91
92void V3d_SpotLight::SetDirection(const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz) {
93
94 Graphic3d_Vector D ;
95 D.SetCoord(Vx,Vy,Vz) ; D.Normalize() ;
96 MyLight->SetDirection(D) ;
97}
98
99void V3d_SpotLight::SetDirection(const V3d_TypeOfOrientation Direction) {
100
101 Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
102 MyLight->SetDirection(D) ;
103}
104
105void V3d_SpotLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) {
106
107 Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 ,
108 "V3d_SpotLight::SetAttenuation, bad coefficients");
109
110 MyLight->SetAttenuation1(A1) ;
111 MyLight->SetAttenuation2(A2) ;
112}
113
114void V3d_SpotLight::SetConcentration(const Standard_Real C) {
115
116
117 Viewer_BadValue_Raise_if( C < 0 || C > 1.,
118 "V3d_SpotLight::SetConcentration, bad coefficient");
119
120 MyLight->SetConcentration(C) ;
121}
122
123void V3d_SpotLight::SetAngle(const Standard_Real Angle) {
124
125 Viewer_BadValue_Raise_if( Angle <= 0. || Angle >= PI,
126 "V3d_SpotLight::SetAngle, bad angle");
127 MyLight->SetAngle(Angle) ;
128
129}
130
131void V3d_SpotLight::Direction(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz)const {
132
133 Quantity_Color C ;
134 Graphic3d_Vector D ;
135 Graphic3d_Vertex P ;
136 Standard_Real CN,A1,A2,AN ;
137
138 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
139 D.Coord(Vx,Vy,Vz) ;
140}
141
142void V3d_SpotLight::Position(Standard_Real& Xp, Standard_Real& Yp, Standard_Real& Zp)const {
143
144 Quantity_Color C ;
145 Graphic3d_Vector D ;
146 Graphic3d_Vertex P ;
147 Standard_Real CN,A1,A2,AN ;
148
149 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
150 P.Coord(Xp,Yp,Zp) ;
151}
152
153void V3d_SpotLight::Attenuation(Standard_Real& A1, Standard_Real& A2) const {
154 Quantity_Color C ;
155 Graphic3d_Vector D ;
156 Graphic3d_Vertex P ;
157 Standard_Real CN,AN ;
158
159 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
160}
161
162Standard_Real V3d_SpotLight::Concentration()const {
163
164 Quantity_Color C ;
165 Graphic3d_Vector D ;
166 Graphic3d_Vertex P ;
167 Standard_Real AN,A1,A2,CN ;
168
169 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
170 return CN ;
171}
172
173Standard_Real V3d_SpotLight::Angle()const {
174
175 Quantity_Color C ;
176 Graphic3d_Vector D ;
177 Graphic3d_Vertex P ;
178 Standard_Real CN,A1,A2,AN ;
179
180 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
181 return AN ;
182}
183
184void V3d_SpotLight::Symbol (const Handle(Graphic3d_Group)& gsymbol,
185// const Handle(V3d_View)& aView) const {
186 const Handle(V3d_View)& ) const {
187
188 Standard_Real X,Y,Z,Rayon;
189 Standard_Real DX,DY,DZ;
190
191 this->Position(X,Y,Z);
192 this->Direction(DX,DY,DZ);
193 Rayon = this->Radius();
194 V3d::ArrowOfRadius(gsymbol,X,Y,Z,-DX,-DY,-DZ,PI/8.,Rayon/15.);
195}
196
197void V3d_SpotLight::Display( const Handle(V3d_View)& aView,
198 const V3d_TypeOfRepresentation TPres) {
199
200 Graphic3d_Array1OfVertex PRadius(0,1);
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
210// Creation d'une structure slight d'elements reperables (la position de
211// la light, et le domaine d'eclairage represente par un cercle)
212// Creation d'une structure snopick d'elements non reperables ( cible, meridien et
213// parallele ).
214
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
233 Handle(Graphic3d_Group) gradius;
234 Handle(Graphic3d_Group) gExtArrow;
235 Handle(Graphic3d_Group) gIntArrow;
236 if (Pres == V3d_COMPLETE) {
237 gradius = new Graphic3d_Group(MyGraphicStructure);
238 gExtArrow = new Graphic3d_Group(MyGraphicStructure);
239 gIntArrow = new Graphic3d_Group(MyGraphicStructure);
240 }
241 Handle(Graphic3d_Group) glight = new Graphic3d_Group(MyGraphicStructure);
242 Handle(Graphic3d_Group) gsphere;
243 if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) gsphere = new Graphic3d_Group(MyGraphicStructure);
244
245 Handle(Graphic3d_Group) gnopick = new Graphic3d_Group(MyGraphicStructure1);
246 MyGraphicStructure1->SetPick(Standard_False);
247
248 X0 = MyTarget.X();
249 Y0 = MyTarget.Y();
250 Z0 = MyTarget.Z();
251
252//Affichage de la position de la light.
253
254 glight->SetPickId(1);
255 this->Color(Quantity_TOC_RGB,R1,G1,B1);
256 Quantity_Color Col1(R1,G1,B1,Quantity_TOC_RGB);
257 Handle(Graphic3d_AspectLine3d) Asp1 = new Graphic3d_AspectLine3d();
258 Asp1->SetColor(Col1);
259 glight->SetPrimitivesAspect(Asp1);
260 this->Symbol(glight,aView);
261
262//Affichage de la sphere de reperage (limite au cercle).
263
264 if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) {
265
266 Rayon = this->Radius();
267 aView->Proj(VX,VY,VZ);
268 gsphere->SetPickId(2);
269 V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon);
270
271//Affichage du rayon de la sphere (ligne + texte)
272
273 if (Pres == V3d_COMPLETE) {
274 gradius->SetPickId(3);
275 gExtArrow->SetPickId(4);
276 gIntArrow->SetPickId(5);
277 PRadius(0).SetCoord(X0,Y0,Z0);
278 this->Position(X,Y,Z);
279 PRadius(1).SetCoord(X,Y,Z);
280 gnopick->Polyline(PRadius);
281 V3d::ArrowOfRadius(gExtArrow,X-(X-X0)/10.,
282 Y-(Y-Y0)/10.,
283 Z-(Z-Z0)/10.,X-X0,Y-Y0,Z-Z0,Standard_PI/15.,Rayon/20.);
284 V3d::ArrowOfRadius(gIntArrow,X0,Y0,Z0,X0-X,Y0-Y,Z0-Z,Standard_PI/15.,Rayon/20.);
285 TCollection_AsciiString ValOfRadius(Rayon);
286 PText.SetCoord( (X0+X)/2., (Y0+Y)/2. , (Z0+Z)/2. );
287 gradius->Text(ValOfRadius.ToCString(),PText,0.01);
288 }
289
290//Affichage du meridien
291
292 Quantity_Color Col2(Quantity_NOC_GREEN);
293 Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d
294 (Col2,Aspect_TOL_SOLID,1.);
295 gnopick->SetPrimitivesAspect(Asp2);
296
297// Definition de l'axe du cercle
298 aView->Up(DXRef,DYRef,DZRef);
299 this->Position(X,Y,Z);
300 DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
301 VX = DYRef*DZini - DZRef*DYini;
302 VY = DZRef*DXini - DXRef*DZini;
303 VZ = DXRef*DYini - DYRef*DXini;
304
305 V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
306
307// Affichage de la parallele
308
309// Definition de l'axe du cercle
310 aView->Proj(VX,VY,VZ);
311 aView->Up(X1,Y1,Z1);
312 DXRef = VY * Z1 - VZ * Y1;
313 DYRef = VZ * X1 - VX * Z1;
314 DZRef = VX * Y1 - VY * X1;
315 this->Position(X,Y,Z);
316 DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
317 VX = DYRef*DZini - DZRef*DYini;
318 VY = DZRef*DXini - DXRef*DZini;
319 VZ = DXRef*DYini - DYRef*DXini;
320
321 V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
322
323 }
324
325 MyGraphicStructure->Connect(MyGraphicStructure1,Graphic3d_TOC_DESCENDANT);
326 MyTypeOfRepresentation = Pres;
327 MyGraphicStructure->Display();
328 TheViewer->SetUpdateMode(UpdSov);
329}