973c2be1 |
1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e |
2 | // |
973c2be1 |
3 | // This file is part of Open CASCADE Technology software library. |
b311480e |
4 | // |
d5f74e42 |
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 |
973c2be1 |
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. |
b311480e |
10 | // |
973c2be1 |
11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
b311480e |
13 | |
7fd59977 |
14 | /*********************************************************************** |
15 | |
16 | FONCTION : |
17 | ---------- |
18 | Classe V3d_PositionalLight : |
19 | |
20 | HISTORIQUE DES MODIFICATIONS : |
21 | -------------------------------- |
22 | 00-09-92 : GG ; Creation. |
23 | 18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick |
24 | 24-12-97 : FMN ; Remplacement de math par MathGra |
25 | 31-12-97 : CAL ; Suppression de MathGra |
26 | 21-01-98 : CAL ; Window de Xw et WNT remplacee par Aspect_Window |
27 | 23-02-98 : FMN ; Remplacement PI par Standard_PI |
28 | 30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods) |
29 | |
30 | ************************************************************************/ |
31 | |
32 | /*----------------------------------------------------------------------*/ |
33 | /* |
34 | * Includes |
35 | */ |
36 | |
37 | #include <V3d.hxx> |
38 | #include <V3d_PositionalLight.ixx> |
39 | #include <Graphic3d_Vector.hxx> |
40 | #include <Graphic3d_Vertex.hxx> |
41 | #include <Graphic3d_Structure.hxx> |
42 | #include <Graphic3d_Group.hxx> |
b8ddfc2f |
43 | #include <Graphic3d_ArrayOfSegments.hxx> |
7fd59977 |
44 | #include <Graphic3d_AspectMarker3d.hxx> |
45 | #include <Graphic3d_AspectLine3d.hxx> |
46 | #include <Graphic3d_AspectText3d.hxx> |
47 | #include <Visual3d_Light.hxx> |
48 | #include <Visual3d_ViewManager.hxx> |
49 | #include <Visual3d_ContextPick.hxx> |
6942f04a |
50 | #include <V3d_BadValue.hxx> |
7fd59977 |
51 | #include <gp_Dir.hxx> |
52 | #include <gp_Ax1.hxx> |
53 | #include <gp_Vec.hxx> |
54 | #include <gp_Pnt.hxx> |
55 | #include <gp_Trsf.hxx> |
56 | #include <TColStd_Array2OfReal.hxx> |
57 | #include <TCollection_AsciiString.hxx> |
58 | #include <Aspect_Window.hxx> |
59 | |
60 | //-Declarations |
61 | |
62 | //-Constructors |
63 | |
64 | V3d_PositionalLight::V3d_PositionalLight(const Handle(V3d_Viewer)& VM, const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2):V3d_PositionLight(VM) { |
65 | |
66 | Quantity_Color C(Name) ; |
67 | Graphic3d_Vertex P(X,Y,Z) ; |
68 | Graphic3d_Vertex T(0.,0.,0.); |
69 | |
6942f04a |
70 | V3d_BadValue_Raise_if ( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1, |
7fd59977 |
71 | "V3d_PositionalLight, bad coefficients"); |
72 | |
73 | MyType = V3d_POSITIONAL ; |
74 | MyLight = new Visual3d_Light(C,P,A1,A2) ; |
75 | MyTarget = T; |
76 | |
77 | } |
78 | |
79 | V3d_PositionalLight::V3d_PositionalLight(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):V3d_PositionLight(VM) { |
80 | |
81 | Quantity_Color C(Name) ; |
82 | Graphic3d_Vertex T(Xt,Yt,Zt) ; |
83 | Graphic3d_Vertex P(Xp,Yp,Zp) ; |
84 | |
6942f04a |
85 | V3d_BadValue_Raise_if ( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1, |
7fd59977 |
86 | "V3d_PositionalLight, bad coefficients"); |
87 | |
88 | MyType = V3d_POSITIONAL ; |
89 | MyLight = new Visual3d_Light(C,P,A1,A2) ; |
90 | MyTarget = T; |
81bba717 |
91 | // Graphic structure is initialized during the display. |
7fd59977 |
92 | |
93 | } |
94 | |
95 | //-Methods, in order |
96 | |
97 | void V3d_PositionalLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) { |
98 | MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp)); |
99 | } |
100 | |
101 | void V3d_PositionalLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) { |
102 | |
103 | |
6942f04a |
104 | V3d_BadValue_Raise_if ( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1, |
7fd59977 |
105 | "V3d_PositionalLight::SetAttenuation, bad coefficients"); |
106 | |
107 | MyLight->SetAttenuation1(A1) ; |
108 | MyLight->SetAttenuation2(A2) ; |
109 | } |
110 | |
111 | void V3d_PositionalLight::Position(Standard_Real& X, Standard_Real& Y, Standard_Real& Z)const { |
112 | Quantity_Color C ; |
113 | Graphic3d_Vertex P ; |
114 | Standard_Real A1,A2 ; |
115 | |
116 | MyLight->Values(C,P,A1,A2) ; |
117 | P.Coord(X,Y,Z) ; |
118 | } |
119 | |
120 | void V3d_PositionalLight::Attenuation(Standard_Real& A1, Standard_Real& A2)const { |
121 | Quantity_Color C ; |
122 | Graphic3d_Vertex P ; |
123 | |
124 | MyLight->Values(C,P,A1,A2) ; |
125 | } |
126 | |
127 | void V3d_PositionalLight::Symbol (const Handle(Graphic3d_Group)& gsymbol, const Handle(V3d_View)& aView) const { |
128 | |
129 | Standard_Real Xi,Yi,Zi,Xf,Yf,Zf,Rayon,PXT,PYT,X,Y,Z,XT,YT,ZT; |
130 | Standard_Real A,B,C,Dist,Beta,CosBeta,SinBeta,Coef,X1,Y1,Z1; |
131 | Standard_Real VX,VY,VZ; |
132 | Standard_Integer IXP,IYP,j; |
133 | TColStd_Array2OfReal MatRot(0,2,0,2); |
134 | |
135 | aView->Proj(VX,VY,VZ); |
136 | this->Position(Xi,Yi,Zi); |
137 | Rayon = this->Radius(); |
138 | aView->Project(Xi,Yi,Zi,PXT,PYT); |
139 | aView->Convert(PXT,PYT,IXP,IYP); |
81bba717 |
140 | // 3D Coordinate in the plane of projection of the source. |
7fd59977 |
141 | aView->Convert(IXP,IYP,XT,YT,ZT); |
142 | aView->Convert(PXT,PYT+Rayon,IXP,IYP); |
143 | aView->Convert(IXP,IYP,X,Y,Z); |
144 | X = X+Xi-XT; Y = Y+Yi-YT; Z = Z+Zi-ZT; |
145 | Dist = Sqrt( Square(X-Xi) + Square(Y-Yi) + Square(Z-Zi) ); |
81bba717 |
146 | // Axis of rotation. |
7fd59977 |
147 | A = (X-Xi)/Dist; |
148 | B = (Y-Yi)/Dist; |
149 | C = (Z-Zi)/Dist; |
150 | |
81bba717 |
151 | // A sphere is drawn |
7fd59977 |
152 | V3d::CircleInPlane(gsymbol,Xi,Yi,Zi,VX,VY,VZ,Rayon/40.); |
153 | for( j=1 ; j<=3 ; j++ ) { |
c6541a0c |
154 | Beta = j * M_PI / 4.; |
7fd59977 |
155 | CosBeta = Cos(Beta); |
156 | SinBeta = Sin(Beta); |
157 | Coef = 1. - CosBeta; |
158 | MatRot(0,0) = A * A + (1. - A * A) * CosBeta; |
159 | MatRot(0,1) = -C * SinBeta + Coef * A * B; |
160 | MatRot(0,2) = B * SinBeta + Coef * A * C; |
161 | MatRot(1,0) = C * SinBeta + Coef * A * B; |
162 | MatRot(1,1) = B * B + (1. - B * B) * CosBeta; |
163 | MatRot(1,2) = -A * SinBeta + Coef * B * C; |
164 | MatRot(2,0) = -B * SinBeta + Coef * A * C; |
165 | MatRot(2,1) = A * SinBeta + Coef * B * C; |
166 | MatRot(2,2) = C * C + (1. - C * C) * CosBeta; |
167 | Xf = Xi * MatRot(0,0) + Yi * MatRot(0,1) + Zi * MatRot(0,2); |
168 | Yf = Xi * MatRot(1,0) + Yi * MatRot(1,1) + Zi * MatRot(1,2); |
169 | Zf = Xi * MatRot(2,0) + Yi * MatRot(2,1) + Zi * MatRot(2,2); |
81bba717 |
170 | // Rotation of the normal |
7fd59977 |
171 | X1 = VX * MatRot(0,0) + VY * MatRot(0,1) + VZ * MatRot(0,2); |
172 | Y1 = VX * MatRot(1,0) + VY * MatRot(1,1) + VZ * MatRot(1,2); |
173 | Z1 = VX * MatRot(2,0) + VY * MatRot(2,1) + VZ * MatRot(2,2); |
174 | VX = X1 + Xi - Xf ; VY = Y1 + Yi - Yf ; VZ = Z1 + Zi - Zf; |
175 | V3d::CircleInPlane(gsymbol,Xi,Yi,Zi,VX,VY,VZ,Rayon/40.); |
176 | } |
177 | } |
178 | |
179 | |
180 | void V3d_PositionalLight::Display( const Handle(V3d_View)& aView, |
b8ddfc2f |
181 | const V3d_TypeOfRepresentation TPres ) |
182 | { |
7fd59977 |
183 | Graphic3d_Vertex PText ; |
184 | Standard_Real X,Y,Z,Rayon; |
185 | Standard_Real X0,Y0,Z0,VX,VY,VZ; |
186 | Standard_Real X1,Y1,Z1; |
187 | Standard_Real DXRef,DYRef,DZRef,DXini,DYini,DZini; |
188 | Standard_Real R1,G1,B1; |
189 | V3d_TypeOfRepresentation Pres; |
190 | V3d_TypeOfUpdate UpdSov; |
191 | |
81bba717 |
192 | // Creation of a structure slight of markable elements (position of the |
193 | // light, and the domain of lighting represented by a circle) |
194 | // Creation of a structure snopick of non-markable elements (target, meridian and |
195 | // parallel). |
7fd59977 |
196 | |
b8ddfc2f |
197 | Pres = TPres; |
198 | Handle(V3d_Viewer) TheViewer = aView->Viewer(); |
199 | UpdSov = TheViewer->UpdateMode(); |
200 | TheViewer->SetUpdateMode(V3d_WAIT); |
201 | if (!MyGraphicStructure.IsNull()) { |
202 | MyGraphicStructure->Disconnect(MyGraphicStructure1); |
203 | MyGraphicStructure->Clear(); |
204 | MyGraphicStructure1->Clear(); |
205 | if (Pres == V3d_SAMELAST) Pres = MyTypeOfRepresentation; |
206 | } |
207 | else { |
208 | if (Pres == V3d_SAMELAST) Pres = V3d_SIMPLE; |
209 | Handle(Graphic3d_Structure) slight = new Graphic3d_Structure(TheViewer->Viewer()); |
210 | MyGraphicStructure = slight; |
211 | Handle(Graphic3d_Structure) snopick = new Graphic3d_Structure(TheViewer->Viewer()); |
212 | MyGraphicStructure1 = snopick; |
213 | } |
214 | |
b64d84be |
215 | Handle(Graphic3d_Group) gradius, gExtArrow, gIntArrow; |
216 | if (Pres == V3d_COMPLETE) |
217 | { |
218 | gradius = MyGraphicStructure->NewGroup(); |
219 | gExtArrow = MyGraphicStructure->NewGroup(); |
220 | gIntArrow = MyGraphicStructure->NewGroup(); |
7fd59977 |
221 | } |
b64d84be |
222 | Handle(Graphic3d_Group) glight = MyGraphicStructure->NewGroup(); |
7fd59977 |
223 | Handle(Graphic3d_Group) gsphere; |
b64d84be |
224 | if (Pres == V3d_COMPLETE |
225 | || Pres == V3d_PARTIAL) |
226 | { |
227 | gsphere = MyGraphicStructure->NewGroup(); |
228 | } |
7fd59977 |
229 | |
b64d84be |
230 | Handle(Graphic3d_Group) gnopick = MyGraphicStructure1->NewGroup(); |
7fd59977 |
231 | |
232 | X0 = MyTarget.X(); |
233 | Y0 = MyTarget.Y(); |
234 | Z0 = MyTarget.Z(); |
235 | |
81bba717 |
236 | // Display of the position of the light. |
7fd59977 |
237 | |
7fd59977 |
238 | this->Color(Quantity_TOC_RGB,R1,G1,B1); |
239 | Quantity_Color Col1(R1,G1,B1,Quantity_TOC_RGB); |
240 | Handle(Graphic3d_AspectLine3d) Asp1 = new Graphic3d_AspectLine3d(); |
241 | Asp1->SetColor(Col1); |
242 | glight->SetPrimitivesAspect(Asp1); |
243 | this->Symbol(glight,aView); |
244 | |
81bba717 |
245 | // Display of the markable sphere (limit at the cercle). |
7fd59977 |
246 | |
247 | if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) { |
248 | |
249 | Rayon = this->Radius(); |
250 | aView->Proj(VX,VY,VZ); |
7fd59977 |
251 | V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon); |
252 | |
81bba717 |
253 | // Display of the radius of the sphere (line + text) |
7fd59977 |
254 | |
255 | if (Pres == V3d_COMPLETE) { |
7fd59977 |
256 | this->Position(X,Y,Z); |
b8ddfc2f |
257 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
258 | aPrims->AddVertex(X0,Y0,Z0); |
259 | aPrims->AddVertex(X,Y,Z); |
260 | gnopick->AddPrimitiveArray(aPrims); |
261 | 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.); |
c6541a0c |
262 | V3d::ArrowOfRadius(gIntArrow, X0, Y0, Z0, X0-X, Y0-Y, Z0-Z, M_PI / 15., Rayon / 20.); |
7fd59977 |
263 | TCollection_AsciiString ValOfRadius(Rayon); |
b8ddfc2f |
264 | PText.SetCoord( 0.5*(X0+X), 0.5*(Y0+Y), 0.5*(Z0+Z) ); |
7fd59977 |
265 | gradius->Text(ValOfRadius.ToCString(),PText,0.01); |
266 | } |
267 | |
81bba717 |
268 | // Display of the meridian |
7fd59977 |
269 | |
270 | Quantity_Color Col2(Quantity_NOC_GREEN); |
b8ddfc2f |
271 | Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d(Col2,Aspect_TOL_SOLID,1.); |
7fd59977 |
272 | gnopick->SetPrimitivesAspect(Asp2); |
273 | |
81bba717 |
274 | // Definition of the axis of circle |
7fd59977 |
275 | aView->Up(DXRef,DYRef,DZRef); |
276 | this->Position(X,Y,Z); |
277 | DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0; |
278 | VX = DYRef*DZini - DZRef*DYini; |
279 | VY = DZRef*DXini - DXRef*DZini; |
280 | VZ = DXRef*DYini - DYRef*DXini; |
281 | |
282 | V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon); |
283 | |
81bba717 |
284 | // Display of the parallel |
7fd59977 |
285 | |
81bba717 |
286 | // Definition of the axis of circle |
7fd59977 |
287 | aView->Proj(VX,VY,VZ); |
288 | aView->Up(X1,Y1,Z1); |
289 | DXRef = VY * Z1 - VZ * Y1; |
290 | DYRef = VZ * X1 - VX * Z1; |
291 | DZRef = VX * Y1 - VY * X1; |
292 | this->Position(X,Y,Z); |
293 | DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0; |
294 | VX = DYRef*DZini - DZRef*DYini; |
295 | VY = DZRef*DXini - DXRef*DZini; |
296 | VZ = DXRef*DYini - DYRef*DXini; |
297 | |
298 | V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon); |
7fd59977 |
299 | } |
300 | |
301 | MyGraphicStructure->Connect(MyGraphicStructure1,Graphic3d_TOC_DESCENDANT); |
302 | MyTypeOfRepresentation = Pres; |
303 | MyGraphicStructure->Display(); |
304 | TheViewer->SetUpdateMode(UpdSov); |
305 | } |