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