| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // 27 //
>> 28 // $Id: SoTrap.cc,v 1.8 2006/06/29 21:23:03 gunter Exp $
>> 29 // GEANT4 tag $Name: geant4-09-02 $
28 // 30 //
29 /*-----------------------------HEPVis--------- 31 /*-----------------------------HEPVis----------------------------------------*/
30 /* 32 /* */
31 /* Node: SoTrap 33 /* Node: SoTrap */
32 /* Description: Represents the G4Trap Gea 34 /* Description: Represents the G4Trap Geant Geometry entity */
33 /* Author: Joe Boudreau Nov 11 1996 35 /* Author: Joe Boudreau Nov 11 1996 */
34 /* 36 /* */
35 /* 37 /* */
36 /*-------------------------------------------- 38 /*---------------------------------------------------------------------------*/
37 39
>> 40 #ifdef G4VIS_BUILD_OI_DRIVER
>> 41
38 // this : 42 // this :
39 #include "HEPVis/nodes/SoTrap.h" 43 #include "HEPVis/nodes/SoTrap.h"
40 44
41 #include <assert.h> 45 #include <assert.h>
42 #include <cmath> 46 #include <cmath>
43 #include <Inventor/SbBox.h> 47 #include <Inventor/SbBox.h>
44 #include <Inventor/actions/SoGLRenderAction.h> 48 #include <Inventor/actions/SoGLRenderAction.h>
45 #include <Inventor/actions/SoAction.h> 49 #include <Inventor/actions/SoAction.h>
46 #include <Inventor/fields/SoSFFloat.h> 50 #include <Inventor/fields/SoSFFloat.h>
47 #include <Inventor/misc/SoChildList.h> 51 #include <Inventor/misc/SoChildList.h>
48 #include <Inventor/nodes/SoSeparator.h> 52 #include <Inventor/nodes/SoSeparator.h>
49 #include <Inventor/nodes/SoIndexedFaceSet.h> 53 #include <Inventor/nodes/SoIndexedFaceSet.h>
50 #include <Inventor/nodes/SoNormal.h> 54 #include <Inventor/nodes/SoNormal.h>
51 #include <Inventor/nodes/SoCoordinate3.h> 55 #include <Inventor/nodes/SoCoordinate3.h>
52 #include <Inventor/nodes/SoNormalBinding.h> 56 #include <Inventor/nodes/SoNormalBinding.h>
53 #include <Inventor/SoPrimitiveVertex.h> 57 #include <Inventor/SoPrimitiveVertex.h>
54 #include <Inventor/elements/SoTextureCoordinat 58 #include <Inventor/elements/SoTextureCoordinateElement.h>
55 59
56 #include "HEPVis/SbMath.h" 60 #include "HEPVis/SbMath.h"
57 61
58 // This statement is required 62 // This statement is required
59 SO_NODE_SOURCE(SoTrap) 63 SO_NODE_SOURCE(SoTrap)
60 64
61 // Constructor 65 // Constructor
62 SoTrap::SoTrap() { 66 SoTrap::SoTrap() {
63 // This statement is required 67 // This statement is required
64 SO_NODE_CONSTRUCTOR(SoTrap); 68 SO_NODE_CONSTRUCTOR(SoTrap);
65 69
66 // Data fields are initialized like this: 70 // Data fields are initialized like this:
67 SO_NODE_ADD_FIELD(pDz, (1.0) 71 SO_NODE_ADD_FIELD(pDz, (1.0));
68 SO_NODE_ADD_FIELD(pTheta, (0.0) 72 SO_NODE_ADD_FIELD(pTheta, (0.0));
69 SO_NODE_ADD_FIELD(pPhi, (0.0) 73 SO_NODE_ADD_FIELD(pPhi, (0.0));
70 SO_NODE_ADD_FIELD(pDy1, (1.0) 74 SO_NODE_ADD_FIELD(pDy1, (1.0));
71 SO_NODE_ADD_FIELD(pDx1, (1.0) 75 SO_NODE_ADD_FIELD(pDx1, (1.0));
72 SO_NODE_ADD_FIELD(pDx2, (1.0) 76 SO_NODE_ADD_FIELD(pDx2, (1.0));
73 SO_NODE_ADD_FIELD(pDy2, (1.0) 77 SO_NODE_ADD_FIELD(pDy2, (1.0));
74 SO_NODE_ADD_FIELD(pDx3, (1.0) 78 SO_NODE_ADD_FIELD(pDx3, (1.0));
75 SO_NODE_ADD_FIELD(pDx4, (1.0) 79 SO_NODE_ADD_FIELD(pDx4, (1.0));
76 SO_NODE_ADD_FIELD(pAlp1, (0.0) 80 SO_NODE_ADD_FIELD(pAlp1, (0.0));
77 SO_NODE_ADD_FIELD(pAlp2, (0.0) 81 SO_NODE_ADD_FIELD(pAlp2, (0.0));
78 SO_NODE_ADD_FIELD(alternateRep, (NULL 82 SO_NODE_ADD_FIELD(alternateRep, (NULL));
79 children = new SoChildList(this); 83 children = new SoChildList(this);
80 } 84 }
81 85
82 // Destructor 86 // Destructor
83 SoTrap::~SoTrap() { 87 SoTrap::~SoTrap() {
84 delete children; 88 delete children;
85 } 89 }
86 90
87 91
88 // initClass 92 // initClass
89 void SoTrap::initClass(){ 93 void SoTrap::initClass(){
90 // This statement is required. 94 // This statement is required.
91 static bool first = true; << 95 SO_NODE_INIT_CLASS(SoTrap,SoShape,"Shape");
92 if (first) { <<
93 first = false; <<
94 SO_NODE_INIT_CLASS(SoTrap,SoShape,"Shape") <<
95 } <<
96 } 96 }
97 97
98 98
99 // generatePrimitives 99 // generatePrimitives
100 void SoTrap::generatePrimitives(SoAction *acti 100 void SoTrap::generatePrimitives(SoAction *action) {
101 // This variable is used to store each verte 101 // This variable is used to store each vertex
102 SoPrimitiveVertex pv; 102 SoPrimitiveVertex pv;
103 103
104 // Access the stat from the action 104 // Access the stat from the action
105 SoState *state = action->getState(); 105 SoState *state = action->getState();
106 106
107 // See if we have to use a texture coordinat 107 // See if we have to use a texture coordinate function,
108 // rather than generating explicit texture c 108 // rather than generating explicit texture coordinates.
109 SbBool useTexFunction= 109 SbBool useTexFunction=
110 (SoTextureCoordinateElement::getType(state 110 (SoTextureCoordinateElement::getType(state) ==
111 SoTextureCoordinateElement::FUNCTION); 111 SoTextureCoordinateElement::FUNCTION);
112 112
113 // If we need to generate texture coordinate 113 // If we need to generate texture coordinates with a function,
114 // we'll need an SoGLTextureCoordinateElemen 114 // we'll need an SoGLTextureCoordinateElement. Otherwise, we'll
115 // set up the coordinates directly. 115 // set up the coordinates directly.
116 const SoTextureCoordinateElement *tce = NULL 116 const SoTextureCoordinateElement *tce = NULL;
117 SbVec4f texCoord; 117 SbVec4f texCoord;
118 if (useTexFunction) { 118 if (useTexFunction) {
119 tce = SoTextureCoordinateElement::getInsta 119 tce = SoTextureCoordinateElement::getInstance(state);
120 } 120 }
121 else { 121 else {
122 texCoord[2] = 0.0; 122 texCoord[2] = 0.0;
123 texCoord[3] = 1.0; 123 texCoord[3] = 1.0;
124 } 124 }
125 SbVec3f point, normal; 125 SbVec3f point, normal;
126 126
127 127
128 ////////////////////////////////////////// 128 //////////////////////////////////////////
129 //---------------------------------------- 129 //----------------------------------------
130 #define GEN_VERTEX(pv,x,y,z,s,t,nx,ny,nz) \ 130 #define GEN_VERTEX(pv,x,y,z,s,t,nx,ny,nz) \
131 point.setValue(x,y,z); \ 131 point.setValue(x,y,z); \
132 normal.setValue(nx,ny,nz); \ 132 normal.setValue(nx,ny,nz); \
133 if (useTexFunction) { \ 133 if (useTexFunction) { \
134 texCoord=tce->get(point,normal); \ 134 texCoord=tce->get(point,normal); \
135 } \ 135 } \
136 else { \ 136 else { \
137 texCoord[0]=s; \ 137 texCoord[0]=s; \
138 texCoord[1]=t; \ 138 texCoord[1]=t; \
139 } \ 139 } \
140 pv.setPoint(point); \ 140 pv.setPoint(point); \
141 pv.setNormal(normal); \ 141 pv.setNormal(normal); \
142 pv.setTextureCoords(texCoord); \ 142 pv.setTextureCoords(texCoord); \
143 shapeVertex(&pv); 143 shapeVertex(&pv);
144 //---------------------------------------- 144 //----------------------------------------
145 ////////////////////////////////////////// 145 //////////////////////////////////////////
146 146
147 const int NPOINTS=8, NFACES=6, NINDICES = NF 147 const int NPOINTS=8, NFACES=6, NINDICES = NFACES*5;
148 int indices[NINDICES] = {3,2,1,0, SO_END_FAC 148 int indices[NINDICES] = {3,2,1,0, SO_END_FACE_INDEX, //z back.
149 4,5,6,7, SO_END_FACE_INDEX, //z fron 149 4,5,6,7, SO_END_FACE_INDEX, //z front.
150 0,1,5,4, SO_END_FACE_INDEX, //y up. 150 0,1,5,4, SO_END_FACE_INDEX, //y up.
151 1,2,6,5, SO_END_FACE_INDEX, //x left 151 1,2,6,5, SO_END_FACE_INDEX, //x left.
152 2,3,7,6, SO_END_FACE_INDEX, //y down 152 2,3,7,6, SO_END_FACE_INDEX, //y down.
153 3,0,4,7, SO_END_FACE_INDEX}; //x righ 153 3,0,4,7, SO_END_FACE_INDEX}; //x right.
154 154
155 // points for the eight vertices 155 // points for the eight vertices
156 float TthetaCphi = FTAN(pTheta.getValue())*F 156 float TthetaCphi = FTAN(pTheta.getValue())*FCOS(pPhi.getValue());
157 float TthetaSphi = FTAN(pTheta.getValue())*F 157 float TthetaSphi = FTAN(pTheta.getValue())*FSIN(pPhi.getValue());
158 float Talp1 = FTAN(pAlp1.getValue()); 158 float Talp1 = FTAN(pAlp1.getValue());
159 float Talp2 = FTAN(pAlp2.getValue()); 159 float Talp2 = FTAN(pAlp2.getValue());
160 160
161 float points[NPOINTS][3]; 161 float points[NPOINTS][3];
162 points[0][0] = pDx2.getValue()+pDy1.getValu 162 points[0][0] = pDx2.getValue()+pDy1.getValue()*Talp1;
163 points[0][1] = pDy1.getValue(); 163 points[0][1] = pDy1.getValue();
164 points[0][2] = -pDz.getValue(); 164 points[0][2] = -pDz.getValue();
165 165
166 points[1][0] = -pDx2.getValue()+pDy1.getValu 166 points[1][0] = -pDx2.getValue()+pDy1.getValue()*Talp1;
167 points[1][1] = pDy1.getValue(); 167 points[1][1] = pDy1.getValue();
168 points[1][2] = -pDz.getValue(); 168 points[1][2] = -pDz.getValue();
169 169
170 points[2][0] = -pDx1.getValue()-pDy1.getValu 170 points[2][0] = -pDx1.getValue()-pDy1.getValue()*Talp1;
171 points[2][1] = -pDy1.getValue(); 171 points[2][1] = -pDy1.getValue();
172 points[2][2] = -pDz.getValue(); 172 points[2][2] = -pDz.getValue();
173 173
174 points[3][0] = pDx1.getValue()-pDy1.getValu 174 points[3][0] = pDx1.getValue()-pDy1.getValue()*Talp1;
175 points[3][1] = -pDy1.getValue(); 175 points[3][1] = -pDy1.getValue();
176 points[3][2] = -pDz.getValue(); 176 points[3][2] = -pDz.getValue();
177 177
178 points[4][0] = pDx4.getValue()+pDy2.getValu 178 points[4][0] = pDx4.getValue()+pDy2.getValue()*Talp2;
179 points[4][1] = pDy2.getValue(); 179 points[4][1] = pDy2.getValue();
180 points[4][2] = pDz.getValue(); 180 points[4][2] = pDz.getValue();
181 181
182 points[5][0] = -pDx4.getValue()+pDy2.getValu 182 points[5][0] = -pDx4.getValue()+pDy2.getValue()*Talp2;
183 points[5][1] = pDy2.getValue(); 183 points[5][1] = pDy2.getValue();
184 points[5][2] = pDz.getValue(); 184 points[5][2] = pDz.getValue();
185 185
186 points[6][0] = -pDx3.getValue()-pDy2.getValu 186 points[6][0] = -pDx3.getValue()-pDy2.getValue()*Talp2;
187 points[6][1] = -pDy2.getValue(); 187 points[6][1] = -pDy2.getValue();
188 points[6][2] = pDz.getValue(); 188 points[6][2] = pDz.getValue();
189 189
190 points[7][0] = pDx3.getValue()-pDy2.getValu 190 points[7][0] = pDx3.getValue()-pDy2.getValue()*Talp2;
191 points[7][1] = -pDy2.getValue(); 191 points[7][1] = -pDy2.getValue();
192 points[7][2] = pDz.getValue(); 192 points[7][2] = pDz.getValue();
193 193
194 int i; 194 int i;
195 for (i=0;i<4;i++) { 195 for (i=0;i<4;i++) {
196 points[i][0] -= pDz.getValue()*TthetaCphi; 196 points[i][0] -= pDz.getValue()*TthetaCphi;
197 points[i][1] -= pDz.getValue()*TthetaSphi; 197 points[i][1] -= pDz.getValue()*TthetaSphi;
198 } 198 }
199 for (i=4;i<8;i++) { 199 for (i=4;i<8;i++) {
200 points[i][0] += pDz.getValue()*TthetaCphi; 200 points[i][0] += pDz.getValue()*TthetaCphi;
201 points[i][1] += pDz.getValue()*TthetaSphi; 201 points[i][1] += pDz.getValue()*TthetaSphi;
202 } 202 }
203 203
204 SbVec3f normals[NFACES]; 204 SbVec3f normals[NFACES];
205 int nf; 205 int nf;
206 for (nf=0;nf<NFACES;nf++) { 206 for (nf=0;nf<NFACES;nf++) {
207 int j0 = indices[5*nf + 0]; 207 int j0 = indices[5*nf + 0];
208 int j1 = indices[5*nf + 1]; 208 int j1 = indices[5*nf + 1];
209 int j2 = indices[5*nf + 2]; 209 int j2 = indices[5*nf + 2];
210 SbVec3f p0(points[j0][0],points[j0][1],poi 210 SbVec3f p0(points[j0][0],points[j0][1],points[j0][2]);
211 SbVec3f p1(points[j1][0],points[j1][1],poi 211 SbVec3f p1(points[j1][0],points[j1][1],points[j1][2]);
212 SbVec3f p2(points[j2][0],points[j2][1],poi 212 SbVec3f p2(points[j2][0],points[j2][1],points[j2][2]);
213 normals[nf] = (p1-p0).cross(p2-p0); 213 normals[nf] = (p1-p0).cross(p2-p0);
214 normals[nf].normalize(); 214 normals[nf].normalize();
215 } 215 }
216 216
217 float x,y,z; 217 float x,y,z;
218 int index; 218 int index;
219 for (nf=0;nf<NFACES;nf++) { 219 for (nf=0;nf<NFACES;nf++) {
220 beginShape(action,TRIANGLE_FAN); 220 beginShape(action,TRIANGLE_FAN);
221 index = indices[nf * 5]; 221 index = indices[nf * 5];
222 x = points[index][0]; 222 x = points[index][0];
223 y = points[index][1]; 223 y = points[index][1];
224 z = points[index][2]; 224 z = points[index][2];
225 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 225 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
226 index = indices[nf * 5 + 1]; 226 index = indices[nf * 5 + 1];
227 x = points[index][0]; 227 x = points[index][0];
228 y = points[index][1]; 228 y = points[index][1];
229 z = points[index][2]; 229 z = points[index][2];
230 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 230 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
231 index = indices[nf * 5 + 2]; 231 index = indices[nf * 5 + 2];
232 x = points[index][0]; 232 x = points[index][0];
233 y = points[index][1]; 233 y = points[index][1];
234 z = points[index][2]; 234 z = points[index][2];
235 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 235 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
236 index = indices[nf * 5 + 3]; 236 index = indices[nf * 5 + 3];
237 x = points[index][0]; 237 x = points[index][0];
238 y = points[index][1]; 238 y = points[index][1];
239 z = points[index][2]; 239 z = points[index][2];
240 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 240 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
241 endShape(); 241 endShape();
242 } 242 }
243 } 243 }
244 244
245 // getChildren 245 // getChildren
246 SoChildList *SoTrap::getChildren() const { 246 SoChildList *SoTrap::getChildren() const {
247 return children; 247 return children;
248 } 248 }
249 249
250 250
251 // computeBBox 251 // computeBBox
252 void SoTrap::computeBBox(SoAction *, SbBox3f & 252 void SoTrap::computeBBox(SoAction *, SbBox3f &box, SbVec3f ¢er ){
253 float pDx= pDx1.getValue(),pDy=pDy1.getValue 253 float pDx= pDx1.getValue(),pDy=pDy1.getValue();
254 254
255 if (pDx2.getValue() > pDx) pDx = pDx2.getVal 255 if (pDx2.getValue() > pDx) pDx = pDx2.getValue();
256 if (pDx3.getValue() > pDx) pDx = pDx3.getVal 256 if (pDx3.getValue() > pDx) pDx = pDx3.getValue();
257 if (pDx4.getValue() > pDx) pDx = pDx4.getVal 257 if (pDx4.getValue() > pDx) pDx = pDx4.getValue();
258 if (pDy2.getValue() > pDy) pDy = pDy2.getVal 258 if (pDy2.getValue() > pDy) pDy = pDy2.getValue();
259 float TthetaCphi = FTAN(pTheta.getValue())*F 259 float TthetaCphi = FTAN(pTheta.getValue())*FCOS(pPhi.getValue());
260 float TthetaSphi = FTAN(pTheta.getValue())*F 260 float TthetaSphi = FTAN(pTheta.getValue())*FSIN(pPhi.getValue());
261 float Xalp = FFABS(std::tan(pAlp1.getValue() 261 float Xalp = FFABS(std::tan(pAlp1.getValue())*pDy1.getValue());
262 float Xalp2 = FFABS(std::tan(pAlp2.getValue( 262 float Xalp2 = FFABS(std::tan(pAlp2.getValue())*pDy2.getValue());
263 if (Xalp< Xalp2) Xalp=Xalp2; 263 if (Xalp< Xalp2) Xalp=Xalp2;
264 pDx += FFABS(TthetaCphi*pDz.getValue()); 264 pDx += FFABS(TthetaCphi*pDz.getValue());
265 pDx += Xalp; 265 pDx += Xalp;
266 pDy += FFABS(TthetaSphi*pDz.getValue()); 266 pDy += FFABS(TthetaSphi*pDz.getValue());
267 267
268 268
269 center.setValue(0,0,0); 269 center.setValue(0,0,0);
270 box.setBounds(SbVec3f(-pDx,-pDy,-pDz.getValu 270 box.setBounds(SbVec3f(-pDx,-pDy,-pDz.getValue()),
271 SbVec3f( pDx, pDy, pDz.getValue())); 271 SbVec3f( pDx, pDy, pDz.getValue()));
272 } 272 }
273 273
274 274
275 275
276 276
277 // updateChildren 277 // updateChildren
278 void SoTrap::updateChildren() { 278 void SoTrap::updateChildren() {
279 279
280 280
281 // Redraw the G4Trap.... 281 // Redraw the G4Trap....
282 282
283 assert(children->getLength()==1); 283 assert(children->getLength()==1);
284 SoSeparator *sep = (SoS 284 SoSeparator *sep = (SoSeparator *) ( *children)[0];
285 SoCoordinate3 *theCoordinates = (SoC 285 SoCoordinate3 *theCoordinates = (SoCoordinate3 *) ( sep->getChild(0));
286 SoNormal *theNormals = (SoN 286 SoNormal *theNormals = (SoNormal *) ( sep->getChild(1));
287 SoNormalBinding *theNormalBinding = (SoN 287 SoNormalBinding *theNormalBinding = (SoNormalBinding *) ( sep->getChild(2));
288 SoIndexedFaceSet *theFaceSet = (SoI 288 SoIndexedFaceSet *theFaceSet = (SoIndexedFaceSet *) ( sep->getChild(3));
289 289
290 const int NPOINTS=8, NFACES=6, NINDICES = NF 290 const int NPOINTS=8, NFACES=6, NINDICES = NFACES*5;
291 float points[NPOINTS][3]; 291 float points[NPOINTS][3];
292 // Indices for the eight faces 292 // Indices for the eight faces
293 #ifdef INVENTOR2_0 293 #ifdef INVENTOR2_0
294 static long 294 static long
295 #else 295 #else
296 static int32_t 296 static int32_t
297 #endif 297 #endif
298 indices[NINDICES] = {3,2,1,0, SO_END_FACE_IN 298 indices[NINDICES] = {3,2,1,0, SO_END_FACE_INDEX, // bottom
299 4,5,6,7, SO_END_FACE_INDE 299 4,5,6,7, SO_END_FACE_INDEX, // top
300 0,1,5,4, SO_END_FACE_INDE 300 0,1,5,4, SO_END_FACE_INDEX,
301 1,2,6,5, SO_END_FACE_INDE 301 1,2,6,5, SO_END_FACE_INDEX,
302 2,3,7,6, SO_END_FACE_INDE 302 2,3,7,6, SO_END_FACE_INDEX,
303 3,0,4,7, SO_END_FACE_INDE 303 3,0,4,7, SO_END_FACE_INDEX};
304 304
305 305
306 // points for the eight vertices 306 // points for the eight vertices
307 float TthetaCphi = FTAN(pTheta.getValue())*F 307 float TthetaCphi = FTAN(pTheta.getValue())*FCOS(pPhi.getValue());
308 float TthetaSphi = FTAN(pTheta.getValue())*F 308 float TthetaSphi = FTAN(pTheta.getValue())*FSIN(pPhi.getValue());
309 float Talp1 = FTAN(pAlp1.getValue()); 309 float Talp1 = FTAN(pAlp1.getValue());
310 float Talp2 = FTAN(pAlp2.getValue()); 310 float Talp2 = FTAN(pAlp2.getValue());
311 311
312 points[0][0] = pDx2.getValue()+pDy1.getValu 312 points[0][0] = pDx2.getValue()+pDy1.getValue()*Talp1;
313 points[0][1] = pDy1.getValue(); 313 points[0][1] = pDy1.getValue();
314 points[0][2] = -pDz.getValue(); 314 points[0][2] = -pDz.getValue();
315 315
316 points[1][0] = -pDx2.getValue()+pDy1.getValu 316 points[1][0] = -pDx2.getValue()+pDy1.getValue()*Talp1;
317 points[1][1] = pDy1.getValue(); 317 points[1][1] = pDy1.getValue();
318 points[1][2] = -pDz.getValue(); 318 points[1][2] = -pDz.getValue();
319 319
320 points[2][0] = -pDx1.getValue()-pDy1.getValu 320 points[2][0] = -pDx1.getValue()-pDy1.getValue()*Talp1;
321 points[2][1] = -pDy1.getValue(); 321 points[2][1] = -pDy1.getValue();
322 points[2][2] = -pDz.getValue(); 322 points[2][2] = -pDz.getValue();
323 323
324 points[3][0] = pDx1.getValue()-pDy1.getValu 324 points[3][0] = pDx1.getValue()-pDy1.getValue()*Talp1;
325 points[3][1] = -pDy1.getValue(); 325 points[3][1] = -pDy1.getValue();
326 points[3][2] = -pDz.getValue(); 326 points[3][2] = -pDz.getValue();
327 327
328 points[4][0] = pDx4.getValue()+pDy2.getValu 328 points[4][0] = pDx4.getValue()+pDy2.getValue()*Talp2;
329 points[4][1] = pDy2.getValue(); 329 points[4][1] = pDy2.getValue();
330 points[4][2] = pDz.getValue(); 330 points[4][2] = pDz.getValue();
331 331
332 points[5][0] = -pDx4.getValue()+pDy2.getValu 332 points[5][0] = -pDx4.getValue()+pDy2.getValue()*Talp2;
333 points[5][1] = pDy2.getValue(); 333 points[5][1] = pDy2.getValue();
334 points[5][2] = pDz.getValue(); 334 points[5][2] = pDz.getValue();
335 335
336 points[6][0] = -pDx3.getValue()-pDy2.getValu 336 points[6][0] = -pDx3.getValue()-pDy2.getValue()*Talp2;
337 points[6][1] = -pDy2.getValue(); 337 points[6][1] = -pDy2.getValue();
338 points[6][2] = pDz.getValue(); 338 points[6][2] = pDz.getValue();
339 339
340 points[7][0] = pDx3.getValue()-pDy2.getValu 340 points[7][0] = pDx3.getValue()-pDy2.getValue()*Talp2;
341 points[7][1] = -pDy2.getValue(); 341 points[7][1] = -pDy2.getValue();
342 points[7][2] = pDz.getValue(); 342 points[7][2] = pDz.getValue();
343 343
344 int i; 344 int i;
345 for (i=0;i<4;i++) { 345 for (i=0;i<4;i++) {
346 points[i][0] -= pDz.getValue()*TthetaCphi; 346 points[i][0] -= pDz.getValue()*TthetaCphi;
347 points[i][1] -= pDz.getValue()*TthetaSphi; 347 points[i][1] -= pDz.getValue()*TthetaSphi;
348 } 348 }
349 for (i=4;i<8;i++) { 349 for (i=4;i<8;i++) {
350 points[i][0] += pDz.getValue()*TthetaCphi; 350 points[i][0] += pDz.getValue()*TthetaCphi;
351 points[i][1] += pDz.getValue()*TthetaSphi; 351 points[i][1] += pDz.getValue()*TthetaSphi;
352 } 352 }
353 353
354 for (int np=0;np<NPOINTS;np++) theCoordinate 354 for (int np=0;np<NPOINTS;np++) theCoordinates->point.set1Value(np,points[np][0],points[np][1],points[np][2]);
355 theFaceSet->coordIndex.setValues(0,NINDICES, 355 theFaceSet->coordIndex.setValues(0,NINDICES,indices);
356 theNormals->vector.deleteValues(0); 356 theNormals->vector.deleteValues(0);
357 theNormals->vector.insertSpace(0,6); 357 theNormals->vector.insertSpace(0,6);
358 for (int n=0;n<6;n++) { 358 for (int n=0;n<6;n++) {
359 int i0 = 5*n+0,i1=5*n+1,i2=5*n+2; 359 int i0 = 5*n+0,i1=5*n+1,i2=5*n+2;
360 int j0 = theFaceSet->coordIndex[i0]; 360 int j0 = theFaceSet->coordIndex[i0];
361 int j1 = theFaceSet->coordIndex[i1]; 361 int j1 = theFaceSet->coordIndex[i1];
362 int j2 = theFaceSet->coordIndex[i2]; 362 int j2 = theFaceSet->coordIndex[i2];
363 SbVec3f p0= theCoordinates->point[j0]; 363 SbVec3f p0= theCoordinates->point[j0];
364 SbVec3f p1= theCoordinates->point[j1]; 364 SbVec3f p1= theCoordinates->point[j1];
365 SbVec3f p2= theCoordinates->point[j2]; 365 SbVec3f p2= theCoordinates->point[j2];
366 SbVec3f normal = (p1-p0).cross(p2-p0); 366 SbVec3f normal = (p1-p0).cross(p2-p0);
367 normal.normalize(); 367 normal.normalize();
368 theNormals->vector.set1Value(n,normal); 368 theNormals->vector.set1Value(n,normal);
369 } 369 }
370 theNormalBinding->value=SoNormalBinding::PER 370 theNormalBinding->value=SoNormalBinding::PER_FACE;
371 } 371 }
372 372
373 // generateChildren 373 // generateChildren
374 void SoTrap::generateChildren() { 374 void SoTrap::generateChildren() {
375 375
376 // This routines creates one SoSeparator, on 376 // This routines creates one SoSeparator, one SoCoordinate3, and
377 // one SoLineSet, and puts it in the child l 377 // one SoLineSet, and puts it in the child list. This is done only
378 // once, whereas redrawing the position of t 378 // once, whereas redrawing the position of the coordinates occurs each
379 // time an update is necessary, in the updat 379 // time an update is necessary, in the updateChildren routine.
380 380
381 assert(children->getLength() ==0); 381 assert(children->getLength() ==0);
382 SoSeparator *sep = new SoS 382 SoSeparator *sep = new SoSeparator();
383 SoCoordinate3 *theCoordinates = new SoC 383 SoCoordinate3 *theCoordinates = new SoCoordinate3();
384 SoNormal *theNormals = new SoN 384 SoNormal *theNormals = new SoNormal();
385 SoNormalBinding *theNormalBinding = new SoN 385 SoNormalBinding *theNormalBinding = new SoNormalBinding();
386 SoIndexedFaceSet *theFaceSet = new SoI 386 SoIndexedFaceSet *theFaceSet = new SoIndexedFaceSet();
387 // 387 //
388 // This line costs some in render quality! b 388 // This line costs some in render quality! but gives speed.
389 // 389 //
390 sep->addChild(theCoordinates); 390 sep->addChild(theCoordinates);
391 sep->addChild(theNormals); 391 sep->addChild(theNormals);
392 sep->addChild(theNormalBinding); 392 sep->addChild(theNormalBinding);
393 sep->addChild(theFaceSet); 393 sep->addChild(theFaceSet);
394 children->append(sep); 394 children->append(sep);
395 } 395 }
396 396
397 // generateAlternateRep 397 // generateAlternateRep
398 void SoTrap::generateAlternateRep() { 398 void SoTrap::generateAlternateRep() {
399 399
400 // This routine sets the alternate represent 400 // This routine sets the alternate representation to the child
401 // list of this mode. 401 // list of this mode.
402 402
403 if (children->getLength() == 0) generateChil 403 if (children->getLength() == 0) generateChildren();
404 updateChildren(); 404 updateChildren();
405 alternateRep.setValue((SoSeparator *) ( *ch 405 alternateRep.setValue((SoSeparator *) ( *children)[0]);
406 } 406 }
407 407
408 // clearAlternateRep 408 // clearAlternateRep
409 void SoTrap::clearAlternateRep() { 409 void SoTrap::clearAlternateRep() {
410 alternateRep.setValue(NULL); 410 alternateRep.setValue(NULL);
411 } 411 }
>> 412
>> 413 #endif
412 414