| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer << 3 // * DISCLAIMER *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers *
6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which *
7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: *
8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license *
9 // * include a list of copyright holders. <<
10 // * 9 // * *
11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file << 14 // * use. *
16 // * for the full disclaimer and the limitatio <<
17 // * 15 // * *
18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the *
19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work *
21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this *
22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. *
23 // * acceptance of all terms of the Geant4 Sof <<
24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // 23 //
>> 24 // $Id: SoBox.cc,v 1.2 2004/06/14 09:27:39 gcosmo Exp $
>> 25 // GEANT4 tag $Name: geant4-06-02 $
27 // 26 //
28 // << 27 /*----------------------------Hepvis----------------------------------------*/
29 /*----------------------------HEPVis---------- <<
30 /* 28 /* */
31 /* Node: SoBox 29 /* Node: SoBox */
32 /* Description: Represents the G4Box Gean 30 /* Description: Represents the G4Box Geant Geometry entity */
33 /* Author: Joe Boudreau Nov 11 1996 31 /* Author: Joe Boudreau Nov 11 1996 */
34 /* 32 /* */
35 /*-------------------------------------------- 33 /*--------------------------------------------------------------------------*/
36 <<
37 // this : <<
38 #include "HEPVis/nodes/SoBox.h" <<
39 <<
40 #include <assert.h> 34 #include <assert.h>
41 #include <cmath> << 35 #include <math.h>
42 36
43 #include <Inventor/SbBox.h> 37 #include <Inventor/SbBox.h>
44 #include <Inventor/fields/SoSFFloat.h> 38 #include <Inventor/fields/SoSFFloat.h>
45 #include <Inventor/misc/SoChildList.h> 39 #include <Inventor/misc/SoChildList.h>
46 #include <Inventor/nodes/SoSeparator.h> 40 #include <Inventor/nodes/SoSeparator.h>
47 #include <Inventor/nodes/SoCube.h> 41 #include <Inventor/nodes/SoCube.h>
48 #include <Inventor/nodes/SoScale.h> 42 #include <Inventor/nodes/SoScale.h>
49 #include <Inventor/actions/SoAction.h> 43 #include <Inventor/actions/SoAction.h>
50 #include <Inventor/nodes/SoIndexedFaceSet.h> 44 #include <Inventor/nodes/SoIndexedFaceSet.h>
51 #include <Inventor/SoPrimitiveVertex.h> 45 #include <Inventor/SoPrimitiveVertex.h>
52 #include <Inventor/elements/SoTextureCoordinat 46 #include <Inventor/elements/SoTextureCoordinateElement.h>
53 47
>> 48 #include "HEPVis/nodes/SoBox.h"
>> 49
54 // This statement is required 50 // This statement is required
55 SO_NODE_SOURCE(SoBox) 51 SO_NODE_SOURCE(SoBox)
56 52
57 // Constructor 53 // Constructor
58 SoBox::SoBox() { 54 SoBox::SoBox() {
59 // This statement is required 55 // This statement is required
60 SO_NODE_CONSTRUCTOR(SoBox); 56 SO_NODE_CONSTRUCTOR(SoBox);
61 57
62 // Data fields are initialized like this: 58 // Data fields are initialized like this:
63 SO_NODE_ADD_FIELD(fDx, (1.0)) 59 SO_NODE_ADD_FIELD(fDx, (1.0));
64 SO_NODE_ADD_FIELD(fDy, (1.0)) 60 SO_NODE_ADD_FIELD(fDy, (1.0));
65 SO_NODE_ADD_FIELD(fDz, (1.0)) 61 SO_NODE_ADD_FIELD(fDz, (1.0));
66 SO_NODE_ADD_FIELD(alternateRep, (NULL) 62 SO_NODE_ADD_FIELD(alternateRep, (NULL));
67 children = new SoChildList(this); 63 children = new SoChildList(this);
68 } 64 }
69 65
70 // Destructor 66 // Destructor
71 SoBox::~SoBox() { 67 SoBox::~SoBox() {
72 delete children; 68 delete children;
73 } 69 }
74 70
75 71
76 // initClass 72 // initClass
77 void SoBox::initClass(){ 73 void SoBox::initClass(){
78 // This statement is required. 74 // This statement is required.
79 static bool first = true; << 75 SO_NODE_INIT_CLASS(SoBox,SoShape,"Shape");
80 if (first) { <<
81 first = false; <<
82 SO_NODE_INIT_CLASS(SoBox,SoShape,"Shape"); <<
83 } <<
84 } 76 }
85 77
86 78
87 // generatePrimitives 79 // generatePrimitives
88 void SoBox::generatePrimitives(SoAction *actio 80 void SoBox::generatePrimitives(SoAction *action) {
89 // This variable is used to store each verte 81 // This variable is used to store each vertex
90 SoPrimitiveVertex pv; 82 SoPrimitiveVertex pv;
91 83
92 // Access the stat from the action 84 // Access the stat from the action
93 SoState *state = action->getState(); 85 SoState *state = action->getState();
94 86
95 // See if we have to use a texture coordinat 87 // See if we have to use a texture coordinate function,
96 // rather than generating explicit texture c 88 // rather than generating explicit texture coordinates.
97 SbBool useTexFunction= 89 SbBool useTexFunction=
98 (SoTextureCoordinateElement::getType(state 90 (SoTextureCoordinateElement::getType(state) ==
99 SoTextureCoordinateElement::FUNCTION); 91 SoTextureCoordinateElement::FUNCTION);
100 92
101 // If we need to generate texture coordinate 93 // If we need to generate texture coordinates with a function,
102 // we'll need an SoGLTextureCoordinateElemen 94 // we'll need an SoGLTextureCoordinateElement. Otherwise, we'll
103 // set up the coordinates directly. 95 // set up the coordinates directly.
104 const SoTextureCoordinateElement *tce = NULL 96 const SoTextureCoordinateElement *tce = NULL;
105 SbVec4f texCoord; 97 SbVec4f texCoord;
106 if (useTexFunction) { 98 if (useTexFunction) {
107 tce = SoTextureCoordinateElement::getInsta 99 tce = SoTextureCoordinateElement::getInstance(state);
108 } 100 }
109 else { 101 else {
110 texCoord[2] = 0.0; 102 texCoord[2] = 0.0;
111 texCoord[3] = 1.0; 103 texCoord[3] = 1.0;
112 } 104 }
113 SbVec3f point, normal; 105 SbVec3f point, normal;
114 106
115 107
116 ////////////////////////////////////////// 108 //////////////////////////////////////////
117 //---------------------------------------- 109 //----------------------------------------
118 #define GEN_VERTEX(pv,x,y,z,s,t,nx,ny,nz) \ 110 #define GEN_VERTEX(pv,x,y,z,s,t,nx,ny,nz) \
119 point.setValue(x,y,z); \ 111 point.setValue(x,y,z); \
120 normal.setValue(nx,ny,nz); \ 112 normal.setValue(nx,ny,nz); \
121 if (useTexFunction) { \ 113 if (useTexFunction) { \
122 texCoord=tce->get(point,normal); \ 114 texCoord=tce->get(point,normal); \
123 } \ 115 } \
124 else { \ 116 else { \
125 texCoord[0]=s; \ 117 texCoord[0]=s; \
126 texCoord[1]=t; \ 118 texCoord[1]=t; \
127 } \ 119 } \
128 pv.setPoint(point); \ 120 pv.setPoint(point); \
129 pv.setNormal(normal); \ 121 pv.setNormal(normal); \
130 pv.setTextureCoords(texCoord); \ 122 pv.setTextureCoords(texCoord); \
131 shapeVertex(&pv); 123 shapeVertex(&pv);
132 //---------------------------------------- 124 //----------------------------------------
133 ////////////////////////////////////////// 125 //////////////////////////////////////////
134 126
135 const int NPOINTS=8, NFACES=6, NINDICES = NF 127 const int NPOINTS=8, NFACES=6, NINDICES = NFACES*5;
136 int indices[NINDICES] = {3,2,1,0, SO_END_FAC 128 int indices[NINDICES] = {3,2,1,0, SO_END_FACE_INDEX, //z back.
137 4,5,6,7, SO_END_FACE_INDEX, //z fron 129 4,5,6,7, SO_END_FACE_INDEX, //z front.
138 0,1,5,4, SO_END_FACE_INDEX, //y up. 130 0,1,5,4, SO_END_FACE_INDEX, //y up.
139 1,2,6,5, SO_END_FACE_INDEX, //x left 131 1,2,6,5, SO_END_FACE_INDEX, //x left.
140 2,3,7,6, SO_END_FACE_INDEX, //y down 132 2,3,7,6, SO_END_FACE_INDEX, //y down.
141 3,0,4,7, SO_END_FACE_INDEX}; //x righ 133 3,0,4,7, SO_END_FACE_INDEX}; //x right.
142 134
143 135
144 // points for the eight vertices 136 // points for the eight vertices
145 float points[NPOINTS][3]; 137 float points[NPOINTS][3];
146 points[0][0] = fDx.getValue(); 138 points[0][0] = fDx.getValue();
147 points[0][1] = fDy.getValue(); 139 points[0][1] = fDy.getValue();
148 points[0][2] = -fDz.getValue(); 140 points[0][2] = -fDz.getValue();
149 141
150 points[1][0] = -fDx.getValue(); 142 points[1][0] = -fDx.getValue();
151 points[1][1] = fDy.getValue(); 143 points[1][1] = fDy.getValue();
152 points[1][2] = -fDz.getValue(); 144 points[1][2] = -fDz.getValue();
153 145
154 points[2][0] = -fDx.getValue(); 146 points[2][0] = -fDx.getValue();
155 points[2][1] = -fDy.getValue(); 147 points[2][1] = -fDy.getValue();
156 points[2][2] = -fDz.getValue(); 148 points[2][2] = -fDz.getValue();
157 149
158 points[3][0] = fDx.getValue(); 150 points[3][0] = fDx.getValue();
159 points[3][1] = -fDy.getValue(); 151 points[3][1] = -fDy.getValue();
160 points[3][2] = -fDz.getValue(); 152 points[3][2] = -fDz.getValue();
161 153
162 points[4][0] = fDx.getValue(); 154 points[4][0] = fDx.getValue();
163 points[4][1] = fDy.getValue(); 155 points[4][1] = fDy.getValue();
164 points[4][2] = fDz.getValue(); 156 points[4][2] = fDz.getValue();
165 157
166 points[5][0] = -fDx.getValue(); 158 points[5][0] = -fDx.getValue();
167 points[5][1] = fDy.getValue(); 159 points[5][1] = fDy.getValue();
168 points[5][2] = fDz.getValue(); 160 points[5][2] = fDz.getValue();
169 161
170 points[6][0] = -fDx.getValue(); 162 points[6][0] = -fDx.getValue();
171 points[6][1] = -fDy.getValue(); 163 points[6][1] = -fDy.getValue();
172 points[6][2] = fDz.getValue(); 164 points[6][2] = fDz.getValue();
173 165
174 points[7][0] = fDx.getValue(); 166 points[7][0] = fDx.getValue();
175 points[7][1] = -fDy.getValue(); 167 points[7][1] = -fDy.getValue();
176 points[7][2] = fDz.getValue(); 168 points[7][2] = fDz.getValue();
177 169
178 float normals[NFACES][3]; 170 float normals[NFACES][3];
179 //z back. 171 //z back.
180 normals[0][0] = 0 ; normals[0][1] = 0; 172 normals[0][0] = 0 ; normals[0][1] = 0; normals [0][2] = -1;
181 //z front. 173 //z front.
182 normals[1][0] = 0 ; normals[1][1] = 0; 174 normals[1][0] = 0 ; normals[1][1] = 0; normals [1][2] = 1;
183 //y up. 175 //y up.
184 normals[2][0] = 0 ; normals[2][1] = 1; 176 normals[2][0] = 0 ; normals[2][1] = 1; normals [2][2] = 0;
185 //x left. 177 //x left.
186 normals[3][0] = -1 ; normals[3][1] = 0; 178 normals[3][0] = -1 ; normals[3][1] = 0; normals [3][2] = 0;
187 //y down. 179 //y down.
188 normals[4][0] = 0 ; normals[4][1] = -1; 180 normals[4][0] = 0 ; normals[4][1] = -1; normals [4][2] = 0;
189 //x right. 181 //x right.
190 normals[5][0] = 1 ; normals[5][1] = 0; 182 normals[5][0] = 1 ; normals[5][1] = 0; normals [5][2] = 0;
191 183
192 float x,y,z; 184 float x,y,z;
193 int index; 185 int index;
194 for (int nf=0;nf<NFACES;nf++) { 186 for (int nf=0;nf<NFACES;nf++) {
195 beginShape(action,TRIANGLE_FAN); 187 beginShape(action,TRIANGLE_FAN);
196 index = indices[nf * 5]; 188 index = indices[nf * 5];
197 x = points[index][0]; 189 x = points[index][0];
198 y = points[index][1]; 190 y = points[index][1];
199 z = points[index][2]; 191 z = points[index][2];
200 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 192 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
201 index = indices[nf * 5 + 1]; 193 index = indices[nf * 5 + 1];
202 x = points[index][0]; 194 x = points[index][0];
203 y = points[index][1]; 195 y = points[index][1];
204 z = points[index][2]; 196 z = points[index][2];
205 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 197 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
206 index = indices[nf * 5 + 2]; 198 index = indices[nf * 5 + 2];
207 x = points[index][0]; 199 x = points[index][0];
208 y = points[index][1]; 200 y = points[index][1];
209 z = points[index][2]; 201 z = points[index][2];
210 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 202 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
211 index = indices[nf * 5 + 3]; 203 index = indices[nf * 5 + 3];
212 x = points[index][0]; 204 x = points[index][0];
213 y = points[index][1]; 205 y = points[index][1];
214 z = points[index][2]; 206 z = points[index][2];
215 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 207 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
216 endShape(); 208 endShape();
217 } 209 }
218 } 210 }
219 211
220 // getChildren 212 // getChildren
221 SoChildList *SoBox::getChildren() const { 213 SoChildList *SoBox::getChildren() const {
222 return children; 214 return children;
223 } 215 }
224 216
225 217
226 // computeBBox 218 // computeBBox
227 void SoBox::computeBBox(SoAction *, SbBox3f &b 219 void SoBox::computeBBox(SoAction *, SbBox3f &box, SbVec3f ¢er ){
228 SbVec3f vmin(-fDx.getValue(),-fDy.getValue() 220 SbVec3f vmin(-fDx.getValue(),-fDy.getValue(),-fDz.getValue()),
229 vmax( fDx.getValue(), fDy.getValue() 221 vmax( fDx.getValue(), fDy.getValue(), fDz.getValue());
230 center.setValue(0,0,0); 222 center.setValue(0,0,0);
231 box.setBounds(vmin,vmax); 223 box.setBounds(vmin,vmax);
232 } 224 }
233 225
234 226
235 227
236 228
237 // updateChildren 229 // updateChildren
238 void SoBox::updateChildren() { 230 void SoBox::updateChildren() {
239 231
240 232
241 // Redraw the G4Box.... 233 // Redraw the G4Box....
242 234
243 assert(children->getLength()==1); 235 assert(children->getLength()==1);
244 SoSeparator *sep = (SoS 236 SoSeparator *sep = (SoSeparator *) ( *children)[0];
245 SoScale *scale = (SoS 237 SoScale *scale = (SoScale *)( sep->getChild(0));
246 //SoCube *cube = (S 238 //SoCube *cube = (SoCube *)( sep->getChild(1));
247 scale->scaleFactor.setValue(fDx.getValue(), 239 scale->scaleFactor.setValue(fDx.getValue(), fDy.getValue(), fDz.getValue());
248 } 240 }
249 241
250 // generateChildren 242 // generateChildren
251 void SoBox::generateChildren() { 243 void SoBox::generateChildren() {
252 244
253 // A box consists of a set of scale factors 245 // A box consists of a set of scale factors and a
254 // cube. 246 // cube.
255 247
256 assert(children->getLength() ==0); 248 assert(children->getLength() ==0);
257 SoSeparator *sep = new SoS 249 SoSeparator *sep = new SoSeparator();
258 SoScale *scale = new SoS 250 SoScale *scale = new SoScale();
259 SoCube *cube = new SoC 251 SoCube *cube = new SoCube();
260 252
261 sep->addChild(scale); 253 sep->addChild(scale);
262 sep->addChild(cube); 254 sep->addChild(cube);
263 children->append(sep); 255 children->append(sep);
264 } 256 }
265 257
266 // generateAlternateRep 258 // generateAlternateRep
267 void SoBox::generateAlternateRep() { 259 void SoBox::generateAlternateRep() {
268 260
269 // This routine sets the alternate represent 261 // This routine sets the alternate representation to the child
270 // list of this mode. 262 // list of this mode.
271 263
272 if (children->getLength() == 0) generateChil 264 if (children->getLength() == 0) generateChildren();
273 updateChildren(); 265 updateChildren();
274 alternateRep.setValue((SoSeparator *) ( *ch 266 alternateRep.setValue((SoSeparator *) ( *children)[0]);
275 } 267 }
276 268
277 // clearAlternateRep 269 // clearAlternateRep
278 void SoBox::clearAlternateRep() { 270 void SoBox::clearAlternateRep() {
279 alternateRep.setValue(NULL); 271 alternateRep.setValue(NULL);
280 } 272 }
>> 273
281 274