[1316] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // |
---|
| 27 | // $Id: testG4Parameterised.cc,v 1.10 2006/06/29 18:58:38 gunter Exp $ |
---|
| 28 | // GEANT4 tag $Name: geant4-09-04-beta-cand-01 $ |
---|
| 29 | // |
---|
| 30 | // |
---|
| 31 | // Test the Navigation in geometry with parameterised volumes (which |
---|
| 32 | // include rotations as well as translations). |
---|
| 33 | // Locate & Step within simple boxlike geometry, both |
---|
| 34 | // with and without voxels. Parameterised volumes are included. |
---|
| 35 | // Started from testG4Navigator1.cc |
---|
| 36 | |
---|
| 37 | #include <assert.h> |
---|
| 38 | #include "G4ios.hh" |
---|
| 39 | #include "ApproxEqual.hh" |
---|
| 40 | |
---|
| 41 | // Global defs |
---|
| 42 | #include "globals.hh" |
---|
| 43 | |
---|
| 44 | #include "G4LogicalVolume.hh" |
---|
| 45 | #include "G4VPhysicalVolume.hh" |
---|
| 46 | #include "G4PVPlacement.hh" |
---|
| 47 | #include "G4PVParameterised.hh" |
---|
| 48 | #include "G4VPVParameterisation.hh" |
---|
| 49 | #include "G4Box.hh" |
---|
| 50 | |
---|
| 51 | #include "G4GeometryManager.hh" |
---|
| 52 | |
---|
| 53 | #include "G4RotationMatrix.hh" |
---|
| 54 | #include "G4ThreeVector.hh" |
---|
| 55 | |
---|
| 56 | // Sample Parameterisation |
---|
| 57 | class MoveNRotate : public G4VPVParameterisation |
---|
| 58 | { |
---|
| 59 | public: |
---|
| 60 | MoveNRotate(G4double twistAngle) |
---|
| 61 | { |
---|
| 62 | fTwistAngle= twistAngle; |
---|
| 63 | fRotationVec= new G4RotationMatrix(); |
---|
| 64 | } |
---|
| 65 | |
---|
| 66 | virtual ~MoveNRotate() { delete fRotationVec; } |
---|
| 67 | |
---|
| 68 | G4double GetTwistAngle() { return fTwistAngle; } |
---|
| 69 | void SetTwistAngle(G4double newAngle ) { fTwistAngle= newAngle; } |
---|
| 70 | |
---|
| 71 | private: |
---|
| 72 | virtual void ComputeTransformation(const G4int n, |
---|
| 73 | G4VPhysicalVolume* pRep) const |
---|
| 74 | { |
---|
| 75 | pRep->SetTranslation(G4ThreeVector(0,n*100,0)); |
---|
| 76 | *fRotationVec = G4RotationMatrix(); // Unit matrix |
---|
| 77 | fRotationVec->rotateZ( n * fTwistAngle ); |
---|
| 78 | pRep->SetRotation( fRotationVec ); |
---|
| 79 | } |
---|
| 80 | |
---|
| 81 | virtual void ComputeDimensions(G4Box &pBox, |
---|
| 82 | const G4int, |
---|
| 83 | const G4VPhysicalVolume*) const |
---|
| 84 | { |
---|
| 85 | pBox.SetXHalfLength(10); |
---|
| 86 | pBox.SetYHalfLength(10); |
---|
| 87 | pBox.SetZHalfLength(10); |
---|
| 88 | } |
---|
| 89 | |
---|
| 90 | virtual void ComputeDimensions(G4Tubs &, |
---|
| 91 | const G4int , |
---|
| 92 | const G4VPhysicalVolume*) const {} |
---|
| 93 | virtual void ComputeDimensions(G4Trd &, |
---|
| 94 | const G4int, |
---|
| 95 | const G4VPhysicalVolume*) const {} |
---|
| 96 | virtual void ComputeDimensions(G4Cons &, |
---|
| 97 | const G4int , |
---|
| 98 | const G4VPhysicalVolume*) const {} |
---|
| 99 | virtual void ComputeDimensions(G4Trap &, |
---|
| 100 | const G4int , |
---|
| 101 | const G4VPhysicalVolume*) const {} |
---|
| 102 | virtual void ComputeDimensions(G4Hype &, |
---|
| 103 | const G4int , |
---|
| 104 | const G4VPhysicalVolume*) const {} |
---|
| 105 | virtual void ComputeDimensions(G4Orb &, |
---|
| 106 | const G4int , |
---|
| 107 | const G4VPhysicalVolume*) const {} |
---|
| 108 | virtual void ComputeDimensions(G4Sphere &, |
---|
| 109 | const G4int , |
---|
| 110 | const G4VPhysicalVolume*) const {} |
---|
| 111 | virtual void ComputeDimensions(G4Torus &, |
---|
| 112 | const G4int , |
---|
| 113 | const G4VPhysicalVolume*) const {} |
---|
| 114 | virtual void ComputeDimensions(G4Para &, |
---|
| 115 | const G4int , |
---|
| 116 | const G4VPhysicalVolume*) const {} |
---|
| 117 | virtual void ComputeDimensions(G4Polycone &, |
---|
| 118 | const G4int , |
---|
| 119 | const G4VPhysicalVolume*) const {} |
---|
| 120 | virtual void ComputeDimensions(G4Polyhedra &, |
---|
| 121 | const G4int , |
---|
| 122 | const G4VPhysicalVolume*) const {} |
---|
| 123 | private: |
---|
| 124 | G4RotationMatrix *fRotationVec; |
---|
| 125 | G4double fTwistAngle; |
---|
| 126 | }; |
---|
| 127 | |
---|
| 128 | G4double angle1= 15.0*pi/180.; |
---|
| 129 | MoveNRotate myParam(angle1); |
---|
| 130 | |
---|
| 131 | |
---|
| 132 | // Build simple geometry: |
---|
| 133 | // 4 small cubes (G4Boxes) are positioned inside a larger cuboid |
---|
| 134 | G4VPhysicalVolume* BuildGeometry() |
---|
| 135 | { |
---|
| 136 | |
---|
| 137 | // The world volume |
---|
| 138 | // |
---|
| 139 | G4Box *myBigBox= new G4Box ("Big Cube", 500, 500, 500); |
---|
| 140 | |
---|
| 141 | G4LogicalVolume *worldLog=new G4LogicalVolume(myBigBox,0, |
---|
| 142 | "World",0,0,0); |
---|
| 143 | // Logical with no material,field, |
---|
| 144 | // sensitive detector or user limits |
---|
| 145 | |
---|
| 146 | G4PVPlacement *worldPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0), |
---|
| 147 | "World",worldLog, |
---|
| 148 | 0,false,0); |
---|
| 149 | // Note: no mother pointer set |
---|
| 150 | |
---|
| 151 | |
---|
| 152 | // A set of boxes |
---|
| 153 | G4Box *myBox=new G4Box("cube",10,10,10); |
---|
| 154 | G4LogicalVolume *boxLog=new G4LogicalVolume(myBox,0, |
---|
| 155 | "Rotating Box",0,0,0); |
---|
| 156 | |
---|
| 157 | // G4PVParameterised *paramP= |
---|
| 158 | new G4PVParameterised("Rotating Blocks", |
---|
| 159 | boxLog, |
---|
| 160 | worldPhys, //OR worldLog, |
---|
| 161 | kYAxis, |
---|
| 162 | 3, |
---|
| 163 | &myParam); |
---|
| 164 | // Copies 0, 1 & 2 will exist |
---|
| 165 | |
---|
| 166 | return worldPhys; |
---|
| 167 | } |
---|
| 168 | |
---|
| 169 | // |
---|
| 170 | // Test LocateGlobalPointAndSetup |
---|
| 171 | // |
---|
| 172 | G4bool testG4Navigator1(G4VPhysicalVolume *pTopNode) |
---|
| 173 | { |
---|
| 174 | MyNavigator myNav; |
---|
| 175 | G4VPhysicalVolume *located; |
---|
| 176 | myNav.SetWorldVolume(pTopNode); |
---|
| 177 | |
---|
| 178 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0),0, false)); |
---|
| 179 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(100,100,100),0,false); |
---|
| 180 | assert(located->GetName()=="World"); |
---|
| 181 | |
---|
| 182 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
---|
| 183 | |
---|
| 184 | // |
---|
| 185 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-5,-5),0,false); |
---|
| 186 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 187 | assert(located->GetCopyNo()== 0); |
---|
| 188 | assert(ApproxEqual(myNav.CurrentLocalCoordinate(),G4ThreeVector(0,-5,-5))); |
---|
| 189 | G4cout << " Local coords = " << myNav.CurrentLocalCoordinate() << G4endl; |
---|
| 190 | |
---|
| 191 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,100,5)); |
---|
| 192 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 193 | assert(located->GetCopyNo()== 1); |
---|
| 194 | G4cout << " Local coords = " << myNav.CurrentLocalCoordinate() << G4endl; |
---|
| 195 | // assert(ApproxEqual(myNav.CurrentLocalCoordinate(), |
---|
| 196 | // G4ThreeVector(0,0,10))); |
---|
| 197 | |
---|
| 198 | // Check that outside point causes stack to unwind |
---|
| 199 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
---|
| 200 | |
---|
| 201 | // Check parameterised volumes |
---|
| 202 | |
---|
| 203 | // Replication 0 |
---|
| 204 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,5,5)); |
---|
| 205 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 206 | assert(located->GetCopyNo()== 0); |
---|
| 207 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,15,15)); |
---|
| 208 | assert(located->GetName()=="World"); |
---|
| 209 | |
---|
| 210 | // Replication 1 |
---|
| 211 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,105,5)); |
---|
| 212 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 213 | assert(located->GetCopyNo()== 1); |
---|
| 214 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-17)); |
---|
| 215 | assert(located->GetName()=="World"); |
---|
| 216 | |
---|
| 217 | // Replication 2 |
---|
| 218 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,205,5)); |
---|
| 219 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 220 | assert(located->GetCopyNo()== 2); |
---|
| 221 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,15,-18)); |
---|
| 222 | assert(located->GetName()=="World"); |
---|
| 223 | |
---|
| 224 | return true; |
---|
| 225 | } |
---|
| 226 | |
---|
| 227 | |
---|
| 228 | // |
---|
| 229 | // Test Stepping |
---|
| 230 | // |
---|
| 231 | G4bool testG4Navigator2(G4VPhysicalVolume *pTopNode) |
---|
| 232 | { |
---|
| 233 | MyNavigator myNav; |
---|
| 234 | G4VPhysicalVolume *located; |
---|
| 235 | G4double Step,physStep,safety; |
---|
| 236 | G4ThreeVector xHat(1,0,0),yHat(0,1,0),zHat(0,0,1); |
---|
| 237 | G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1); |
---|
| 238 | |
---|
| 239 | myNav.SetWorldVolume(pTopNode); |
---|
| 240 | |
---|
| 241 | // |
---|
| 242 | // Test location & Step computation |
---|
| 243 | // |
---|
| 244 | G4ThreeVector StartPoint(-50,0,-5); |
---|
| 245 | located=myNav.LocateGlobalPointAndSetup( StartPoint ); |
---|
| 246 | assert(located->GetName()=="World"); |
---|
| 247 | physStep=kInfinity; |
---|
| 248 | Step=myNav.ComputeStep( StartPoint, mxHat,physStep,safety); // -x dir |
---|
| 249 | assert(ApproxEqual(Step,450)); |
---|
| 250 | // assert(ApproxEqual(safety,40)); |
---|
| 251 | // assert(safety>=0); |
---|
| 252 | |
---|
| 253 | StartPoint= G4ThreeVector(-15,0,-5); |
---|
| 254 | located=myNav.LocateGlobalPointAndSetup( StartPoint ); |
---|
| 255 | assert(located->GetName()=="World"); |
---|
| 256 | physStep=kInfinity; |
---|
| 257 | Step=myNav.ComputeStep( StartPoint,xHat,physStep,safety); // +x dir |
---|
| 258 | assert(ApproxEqual(Step,5)); |
---|
| 259 | // assert(ApproxEqual(safety,5)); |
---|
| 260 | assert(safety>=0); |
---|
| 261 | myNav.SetGeometricallyLimitedStep(); |
---|
| 262 | G4ThreeVector EndPoint = StartPoint + Step * xHat; |
---|
| 263 | located=myNav.LocateGlobalPointAndSetup(EndPoint,0,true); |
---|
| 264 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 265 | |
---|
| 266 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-40)); |
---|
| 267 | assert(located->GetName()=="World"); |
---|
| 268 | physStep=kInfinity; |
---|
| 269 | Step=myNav.ComputeStep(G4ThreeVector(0,0,-40),zHat,physStep,safety); |
---|
| 270 | assert(ApproxEqual(Step,30)); |
---|
| 271 | // assert(ApproxEqual(safety,5)); |
---|
| 272 | assert(safety>=0); |
---|
| 273 | |
---|
| 274 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0, 40)); |
---|
| 275 | assert(located->GetName()=="World"); |
---|
| 276 | physStep=kInfinity; |
---|
| 277 | Step=myNav.ComputeStep(G4ThreeVector(0,0,40),mzHat,physStep,safety); |
---|
| 278 | assert(ApproxEqual(Step,30)); |
---|
| 279 | // assert(ApproxEqual(safety,5)); |
---|
| 280 | assert(safety>=0); |
---|
| 281 | |
---|
| 282 | |
---|
| 283 | // |
---|
| 284 | // Test moving through series of volumes |
---|
| 285 | // |
---|
| 286 | StartPoint= G4ThreeVector(0,-20,0); |
---|
| 287 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-20,0)); |
---|
| 288 | assert(located->GetName()=="World"); |
---|
| 289 | |
---|
| 290 | // Replication 0 block |
---|
| 291 | // |
---|
| 292 | physStep=kInfinity; |
---|
| 293 | Step=myNav.ComputeStep(G4ThreeVector(0,-20,0),yHat,physStep,safety); |
---|
| 294 | assert(ApproxEqual(Step,10)); |
---|
| 295 | EndPoint= StartPoint + Step * yHat; // Should be 0, -10, 0 |
---|
| 296 | assert(ApproxEqual( 0, (EndPoint-G4ThreeVector(0,-10,0)).mag()) ); |
---|
| 297 | // assert(ApproxEqual(safety,0)); |
---|
| 298 | |
---|
| 299 | myNav.SetGeometricallyLimitedStep(); |
---|
| 300 | located=myNav.LocateGlobalPointAndSetup(EndPoint) ; |
---|
| 301 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 302 | Step=myNav.ComputeStep(EndPoint,yHat,physStep,safety); |
---|
| 303 | assert(ApproxEqual(Step,20)); |
---|
| 304 | assert(ApproxEqual(safety,0)); |
---|
| 305 | myNav.SetGeometricallyLimitedStep(); |
---|
| 306 | EndPoint += Step * yHat; // Should be 0, +10, 0 |
---|
| 307 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
---|
| 308 | assert(located->GetName()=="World"); |
---|
| 309 | |
---|
| 310 | // Replication 1 block |
---|
| 311 | // |
---|
| 312 | StartPoint= EndPoint; |
---|
| 313 | physStep=kInfinity; |
---|
| 314 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
---|
| 315 | assert(ApproxEqual(Step,90.-10./std::cos(angle1))); |
---|
| 316 | EndPoint= StartPoint + Step * yHat; // Should near 0, 90, 0 |
---|
| 317 | assert(safety<=Step); |
---|
| 318 | myNav.SetGeometricallyLimitedStep(); |
---|
| 319 | located=myNav.LocateGlobalPointAndSetup(EndPoint) ; |
---|
| 320 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 321 | |
---|
| 322 | StartPoint= EndPoint; |
---|
| 323 | physStep=kInfinity; |
---|
| 324 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
---|
| 325 | assert(ApproxEqual(Step,20./std::cos(angle1))); |
---|
| 326 | assert(ApproxEqual(safety,0)); |
---|
| 327 | myNav.SetGeometricallyLimitedStep(); |
---|
| 328 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
---|
| 329 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
---|
| 330 | assert(located->GetName()=="World"); |
---|
| 331 | |
---|
| 332 | // Replication 2 block |
---|
| 333 | // |
---|
| 334 | StartPoint= EndPoint; |
---|
| 335 | physStep=kInfinity; |
---|
| 336 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
---|
| 337 | assert(ApproxEqual(Step,100.-10.*(1./std::cos(angle1)+1./std::cos(2.*angle1)))); |
---|
| 338 | EndPoint= StartPoint + Step * yHat; // Should near 0, 190, 0 |
---|
| 339 | assert(safety<=Step); |
---|
| 340 | myNav.SetGeometricallyLimitedStep(); |
---|
| 341 | located=myNav.LocateGlobalPointAndSetup(EndPoint); |
---|
| 342 | assert(located->GetName()=="Rotating Blocks"); |
---|
| 343 | |
---|
| 344 | StartPoint= EndPoint; |
---|
| 345 | physStep=kInfinity; |
---|
| 346 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
---|
| 347 | assert(ApproxEqual(Step,20./std::cos(2.*angle1))); |
---|
| 348 | assert(ApproxEqual(safety,0)); |
---|
| 349 | myNav.SetGeometricallyLimitedStep(); |
---|
| 350 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
---|
| 351 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
---|
| 352 | assert(located->GetName()=="World"); |
---|
| 353 | |
---|
| 354 | // Edge of the world |
---|
| 355 | // |
---|
| 356 | StartPoint= EndPoint; |
---|
| 357 | physStep=kInfinity; |
---|
| 358 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
---|
| 359 | assert(ApproxEqual(Step, 300. - 10./std::cos(2.*angle1) )); |
---|
| 360 | assert(ApproxEqual(safety,0)); |
---|
| 361 | myNav.SetGeometricallyLimitedStep(); |
---|
| 362 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
---|
| 363 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
---|
| 364 | assert(!located); |
---|
| 365 | |
---|
| 366 | |
---|
| 367 | return true; |
---|
| 368 | } |
---|
| 369 | |
---|
| 370 | int main() |
---|
| 371 | { |
---|
| 372 | G4VPhysicalVolume *myTopNode; |
---|
| 373 | myTopNode=BuildGeometry(); // Build the geometry |
---|
| 374 | G4GeometryManager::GetInstance()->CloseGeometry(false); |
---|
| 375 | testG4Navigator1(myTopNode); |
---|
| 376 | testG4Navigator2(myTopNode); |
---|
| 377 | // Repeat tests but with full voxels |
---|
| 378 | G4GeometryManager::GetInstance()->OpenGeometry(); |
---|
| 379 | G4GeometryManager::GetInstance()->CloseGeometry(true); |
---|
| 380 | testG4Navigator1(myTopNode); |
---|
| 381 | testG4Navigator2(myTopNode); |
---|
| 382 | |
---|
| 383 | G4GeometryManager::GetInstance()->OpenGeometry(); |
---|
| 384 | return 0; |
---|
| 385 | } |
---|
| 386 | |
---|
| 387 | |
---|
| 388 | |
---|
| 389 | |
---|