Test for 0022778: Bug in BRepMesh
[occt.git] / src / V3d / V3d_SpotLight.cxx
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b311480e 1// Copyright (c) 1999-2012 OPEN CASCADE SAS
2//
3// The content of this file is subject to the Open CASCADE Technology Public
4// License Version 6.5 (the "License"). You may not use the content of this file
5// except in compliance with the License. Please obtain a copy of the License
6// at http://www.opencascade.org and read it completely before using this file.
7//
8// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
9// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
10//
11// The Original Code and all software distributed under the License is
12// distributed on an "AS IS" basis, without warranty of any kind, and the
13// Initial Developer hereby disclaims all such warranties, including without
14// limitation, any warranties of merchantability, fitness for a particular
15// purpose or non-infringement. Please see the License for the specific terms
16// and conditions governing the rights and limitations under the License.
17
7fd59977 18/***********************************************************************
19
20 FONCTION :
21 ----------
22 Classe V3d_SpotLight :
23
24 HISTORIQUE DES MODIFICATIONS :
25 --------------------------------
26 00-09-92 : GG ; Creation.
27 18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick
28 30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods)
29 02.15.100 : JR : Clutter
30
31************************************************************************/
32
33/*----------------------------------------------------------------------*/
34/*
35 * Includes
36 */
37
38#include <V3d.hxx>
39#include <V3d_SpotLight.ixx>
40#include <Graphic3d_Vector.hxx>
41#include <Graphic3d_Vertex.hxx>
42#include <Graphic3d_Structure.hxx>
43#include <Graphic3d_Group.hxx>
44#include <Graphic3d_Array1OfVertex.hxx>
45#include <Graphic3d_AspectMarker3d.hxx>
46#include <Graphic3d_AspectLine3d.hxx>
47#include <Graphic3d_AspectText3d.hxx>
48#include <Visual3d_Light.hxx>
49#include <Visual3d_ViewManager.hxx>
50#include <Visual3d_ContextPick.hxx>
51#include <Visual3d_PickDescriptor.hxx>
52#include <Visual3d_HSequenceOfPickPath.hxx>
53#include <Visual3d_PickPath.hxx>
54#include <gp_Dir.hxx>
55#include <gp_Ax1.hxx>
56#include <gp_Vec.hxx>
57#include <gp_Pnt.hxx>
58#include <gp_Trsf.hxx>
59#include <TCollection_AsciiString.hxx>
60
61#ifdef WNT
62# include <WNT_Window.hxx>
63#else
64# include <Xw_Window.hxx>
65#endif
66
67
68V3d_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) {
69
70 Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1
c6541a0c 71 || AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle");
7fd59977 72
73 Quantity_Color C(Name) ;
74 Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
75 Graphic3d_Vertex P(X,Y,Z) ;
76 Graphic3d_Vertex T;
77
78 MyType = V3d_SPOT ;
79 MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
81bba717 80 // The target is fixed, starting from the light position and the direction.
7fd59977 81 T.SetCoord(X + D.X(), Y + D.Y(), Z + D.Z());
82 MyTarget = T;
83}
84
85V3d_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) {
86
87 Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1
c6541a0c 88 || AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle");
7fd59977 89
90 Quantity_Color C(Name) ;
91 Graphic3d_Vertex T(Xt,Yt,Zt) ;
92 Graphic3d_Vertex P(Xp,Yp,Zp) ;
93 Graphic3d_Vector D(P,T);
94
95 MyType = V3d_SPOT ;
96 D.Normalize();
97 MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
98 MyTarget = T;
99 // La Structure graphique sera initialisee lors de l'affichage.
100}
101
102
103//-Methods, in order
104
105void V3d_SpotLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) {
106 MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp));
107}
108
109void V3d_SpotLight::SetDirection(const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz) {
110
111 Graphic3d_Vector D ;
112 D.SetCoord(Vx,Vy,Vz) ; D.Normalize() ;
113 MyLight->SetDirection(D) ;
114}
115
116void V3d_SpotLight::SetDirection(const V3d_TypeOfOrientation Direction) {
117
118 Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
119 MyLight->SetDirection(D) ;
120}
121
122void V3d_SpotLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) {
123
124 Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 ,
125 "V3d_SpotLight::SetAttenuation, bad coefficients");
126
127 MyLight->SetAttenuation1(A1) ;
128 MyLight->SetAttenuation2(A2) ;
129}
130
131void V3d_SpotLight::SetConcentration(const Standard_Real C) {
132
133
134 Viewer_BadValue_Raise_if( C < 0 || C > 1.,
135 "V3d_SpotLight::SetConcentration, bad coefficient");
136
137 MyLight->SetConcentration(C) ;
138}
139
140void V3d_SpotLight::SetAngle(const Standard_Real Angle) {
141
c6541a0c 142 Viewer_BadValue_Raise_if( Angle <= 0. || Angle >= M_PI,
7fd59977 143 "V3d_SpotLight::SetAngle, bad angle");
144 MyLight->SetAngle(Angle) ;
145
146}
147
148void V3d_SpotLight::Direction(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz)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 D.Coord(Vx,Vy,Vz) ;
157}
158
159void V3d_SpotLight::Position(Standard_Real& Xp, Standard_Real& Yp, Standard_Real& Zp)const {
160
161 Quantity_Color C ;
162 Graphic3d_Vector D ;
163 Graphic3d_Vertex P ;
164 Standard_Real CN,A1,A2,AN ;
165
166 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
167 P.Coord(Xp,Yp,Zp) ;
168}
169
170void V3d_SpotLight::Attenuation(Standard_Real& A1, Standard_Real& A2) const {
171 Quantity_Color C ;
172 Graphic3d_Vector D ;
173 Graphic3d_Vertex P ;
174 Standard_Real CN,AN ;
175
176 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
177}
178
179Standard_Real V3d_SpotLight::Concentration()const {
180
181 Quantity_Color C ;
182 Graphic3d_Vector D ;
183 Graphic3d_Vertex P ;
184 Standard_Real AN,A1,A2,CN ;
185
186 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
187 return CN ;
188}
189
190Standard_Real V3d_SpotLight::Angle()const {
191
192 Quantity_Color C ;
193 Graphic3d_Vector D ;
194 Graphic3d_Vertex P ;
195 Standard_Real CN,A1,A2,AN ;
196
197 MyLight->Values(C,P,D,CN,A1,A2,AN) ;
198 return AN ;
199}
200
201void V3d_SpotLight::Symbol (const Handle(Graphic3d_Group)& gsymbol,
202// const Handle(V3d_View)& aView) const {
203 const Handle(V3d_View)& ) const {
204
205 Standard_Real X,Y,Z,Rayon;
206 Standard_Real DX,DY,DZ;
207
208 this->Position(X,Y,Z);
209 this->Direction(DX,DY,DZ);
210 Rayon = this->Radius();
c6541a0c 211 V3d::ArrowOfRadius(gsymbol,X,Y,Z,-DX,-DY,-DZ,M_PI/8.,Rayon/15.);
7fd59977 212}
213
214void V3d_SpotLight::Display( const Handle(V3d_View)& aView,
215 const V3d_TypeOfRepresentation TPres) {
216
217 Graphic3d_Array1OfVertex PRadius(0,1);
218 Graphic3d_Vertex PText ;
219 Standard_Real X,Y,Z,Rayon;
220 Standard_Real X0,Y0,Z0,VX,VY,VZ;
221 Standard_Real X1,Y1,Z1;
222 Standard_Real DXRef,DYRef,DZRef,DXini,DYini,DZini;
223 Standard_Real R1,G1,B1;
224 V3d_TypeOfRepresentation Pres;
225 V3d_TypeOfUpdate UpdSov;
226
81bba717 227// Creation of a structure slight of markable elements (position of the
228// light, and the domain of lighting represented by a circle)
229// Creation of a structure snopick of non-markable elements (target, meridian and
230// parallel).//
7fd59977 231
232 Pres = TPres;
233 Handle(V3d_Viewer) TheViewer = aView->Viewer();
234 UpdSov = TheViewer->UpdateMode();
235 TheViewer->SetUpdateMode(V3d_WAIT);
236 if (!MyGraphicStructure.IsNull()) {
237 MyGraphicStructure->Disconnect(MyGraphicStructure1);
238 MyGraphicStructure->Clear();
239 MyGraphicStructure1->Clear();
240 if (Pres == V3d_SAMELAST) Pres = MyTypeOfRepresentation;
241 }
242 else {
243 if (Pres == V3d_SAMELAST) Pres = V3d_SIMPLE;
244 Handle(Graphic3d_Structure) slight = new Graphic3d_Structure(TheViewer->Viewer());
245 MyGraphicStructure = slight;
246 Handle(Graphic3d_Structure) snopick = new Graphic3d_Structure(TheViewer->Viewer());
247 MyGraphicStructure1 = snopick;
248 }
249
250 Handle(Graphic3d_Group) gradius;
251 Handle(Graphic3d_Group) gExtArrow;
252 Handle(Graphic3d_Group) gIntArrow;
253 if (Pres == V3d_COMPLETE) {
254 gradius = new Graphic3d_Group(MyGraphicStructure);
255 gExtArrow = new Graphic3d_Group(MyGraphicStructure);
256 gIntArrow = new Graphic3d_Group(MyGraphicStructure);
257 }
258 Handle(Graphic3d_Group) glight = new Graphic3d_Group(MyGraphicStructure);
259 Handle(Graphic3d_Group) gsphere;
260 if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) gsphere = new Graphic3d_Group(MyGraphicStructure);
261
262 Handle(Graphic3d_Group) gnopick = new Graphic3d_Group(MyGraphicStructure1);
263 MyGraphicStructure1->SetPick(Standard_False);
264
265 X0 = MyTarget.X();
266 Y0 = MyTarget.Y();
267 Z0 = MyTarget.Z();
268
81bba717 269//Display of the position of the light.
7fd59977 270
7fd59977 271 this->Color(Quantity_TOC_RGB,R1,G1,B1);
272 Quantity_Color Col1(R1,G1,B1,Quantity_TOC_RGB);
273 Handle(Graphic3d_AspectLine3d) Asp1 = new Graphic3d_AspectLine3d();
274 Asp1->SetColor(Col1);
275 glight->SetPrimitivesAspect(Asp1);
276 this->Symbol(glight,aView);
277
81bba717 278// Display of the reference sphere (limited by circle).
7fd59977 279
280 if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) {
281
282 Rayon = this->Radius();
283 aView->Proj(VX,VY,VZ);
7fd59977 284 V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon);
285
81bba717 286// Display of the radius of the sphere (line + text)
7fd59977 287
288 if (Pres == V3d_COMPLETE) {
7fd59977 289 PRadius(0).SetCoord(X0,Y0,Z0);
290 this->Position(X,Y,Z);
291 PRadius(1).SetCoord(X,Y,Z);
292 gnopick->Polyline(PRadius);
293 V3d::ArrowOfRadius(gExtArrow,X-(X-X0)/10.,
294 Y-(Y-Y0)/10.,
c6541a0c
D
295 Z-(Z-Z0) / 10., X-X0, Y-Y0, Z-Z0, M_PI / 15., Rayon / 20.);
296 V3d::ArrowOfRadius(gIntArrow, X0, Y0, Z0, X0-X, Y0-Y, Z0-Z, M_PI / 15., Rayon / 20.);
7fd59977 297 TCollection_AsciiString ValOfRadius(Rayon);
298 PText.SetCoord( (X0+X)/2., (Y0+Y)/2. , (Z0+Z)/2. );
299 gradius->Text(ValOfRadius.ToCString(),PText,0.01);
300 }
301
81bba717 302// Display of the meridian
7fd59977 303
304 Quantity_Color Col2(Quantity_NOC_GREEN);
305 Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d
306 (Col2,Aspect_TOL_SOLID,1.);
307 gnopick->SetPrimitivesAspect(Asp2);
308
81bba717 309// Definition of the axis of the circle
7fd59977 310 aView->Up(DXRef,DYRef,DZRef);
311 this->Position(X,Y,Z);
312 DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
313 VX = DYRef*DZini - DZRef*DYini;
314 VY = DZRef*DXini - DXRef*DZini;
315 VZ = DXRef*DYini - DYRef*DXini;
316
317 V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
318
81bba717 319// Display of the parallel
7fd59977 320
81bba717 321// Definition of the axis of the circle
7fd59977 322 aView->Proj(VX,VY,VZ);
323 aView->Up(X1,Y1,Z1);
324 DXRef = VY * Z1 - VZ * Y1;
325 DYRef = VZ * X1 - VX * Z1;
326 DZRef = VX * Y1 - VY * X1;
327 this->Position(X,Y,Z);
328 DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
329 VX = DYRef*DZini - DZRef*DYini;
330 VY = DZRef*DXini - DXRef*DZini;
331 VZ = DXRef*DYini - DYRef*DXini;
332
333 V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
334
335 }
336
337 MyGraphicStructure->Connect(MyGraphicStructure1,Graphic3d_TOC_DESCENDANT);
338 MyTypeOfRepresentation = Pres;
339 MyGraphicStructure->Display();
340 TheViewer->SetUpdateMode(UpdSov);
341}