source: trunk/source/geometry/navigation/test/testG4Navigator1.cc@ 1347

Last change on this file since 1347 was 1347, checked in by garnier, 15 years ago

geant4 tag 9.4
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1//
2// ********************************************************************
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4// * *
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6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
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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 *
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24// ********************************************************************
25//
26//
27// $Id: testG4Navigator1.cc,v 1.5 2006/06/29 18:37:17 gunter Exp $
28// GEANT4 tag $Name: geant4-09-04-ref-00 $
29//
30//
31// Locate & Step within simple boxlike geometry, both
32// with and without voxels. Parameterised volumes are included.
33
34#include <assert.h>
35#include "ApproxEqual.hh"
36
37// Global defs
38#include "globals.hh"
39
40#include "G4Navigator.hh"
41
42#include "G4LogicalVolume.hh"
43#include "G4VPhysicalVolume.hh"
44#include "G4PVPlacement.hh"
45#include "G4PVParameterised.hh"
46#include "G4VPVParameterisation.hh"
47#include "G4Box.hh"
48
49#include "G4GeometryManager.hh"
50
51#include "G4RotationMatrix.hh"
52#include "G4ThreeVector.hh"
53
54// Sample Paramterisation
55class G4LinScale : public G4VPVParameterisation
56{
57 virtual void ComputeTransformation(const G4int n,
58 G4VPhysicalVolume* pRep) const
59 {
60 pRep->SetTranslation(G4ThreeVector(0,(n-1)*15,0));
61 }
62
63 virtual void ComputeDimensions(G4Box &pBox,
64 const G4int n,
65 const G4VPhysicalVolume*) const
66 {
67 pBox.SetXHalfLength(10);
68 pBox.SetYHalfLength(5+n);
69 pBox.SetZHalfLength(5+n);
70 }
71
72 virtual void ComputeDimensions(G4Tubs &,
73 const G4int ,
74 const G4VPhysicalVolume*) const {}
75 virtual void ComputeDimensions(G4Trd &,
76 const G4int,
77 const G4VPhysicalVolume*) const {}
78 virtual void ComputeDimensions(G4Cons &,
79 const G4int ,
80 const G4VPhysicalVolume*) const {}
81 virtual void ComputeDimensions(G4Trap &,
82 const G4int ,
83 const G4VPhysicalVolume*) const {}
84 virtual void ComputeDimensions(G4Hype &,
85 const G4int ,
86 const G4VPhysicalVolume*) const {}
87 virtual void ComputeDimensions(G4Orb &,
88 const G4int ,
89 const G4VPhysicalVolume*) const {}
90 virtual void ComputeDimensions(G4Sphere &,
91 const G4int ,
92 const G4VPhysicalVolume*) const {}
93 virtual void ComputeDimensions(G4Torus &,
94 const G4int ,
95 const G4VPhysicalVolume*) const {}
96 virtual void ComputeDimensions(G4Para &,
97 const G4int ,
98 const G4VPhysicalVolume*) const {}
99 virtual void ComputeDimensions(G4Polycone &,
100 const G4int ,
101 const G4VPhysicalVolume*) const {}
102 virtual void ComputeDimensions(G4Polyhedra &,
103 const G4int ,
104 const G4VPhysicalVolume*) const {}
105};
106G4LinScale myParam;
107
108// Build simple geometry:
109// 4 small cubes + 1 slab (all G4Boxes) are positioned inside a larger cuboid
110G4VPhysicalVolume* BuildGeometry()
111{
112
113 G4Box *myBigBox= new G4Box ("cuboid",25,25,20);
114 G4Box *myBox=new G4Box("cube",10,10,10);
115 G4Box *mySlab= new G4Box("slab",10,25,10);
116
117 G4Box *myVariableBox=new G4Box("Variable Box",10,5,5);
118
119 G4LogicalVolume *worldLog=new G4LogicalVolume(myBigBox,0,
120 "World",0,0,0);
121 // Logical with no material,field,
122 // sensitive detector or user limits
123
124 G4PVPlacement *worldPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0),
125 "World",worldLog,
126 0,false,0);
127 // Note: no mother pointer set
128
129 G4LogicalVolume *boxLog=new G4LogicalVolume(myBox,0,
130 "Crystal Box",0,0,0);
131 G4LogicalVolume *slabLog=new G4LogicalVolume(mySlab,0,
132 "Crystal Slab",0,0,0);
133// G4PVPlacement *offMXYPhys=
134 new G4PVPlacement(0,G4ThreeVector(-15,15,-10),
135 "Target 1",boxLog,
136 worldPhys,false,0);
137// G4PVPlacement *offMXMYPhys=
138 new G4PVPlacement(0,G4ThreeVector(-15,-15,-10),
139 "Target 2",boxLog,
140 worldPhys,false,0);
141
142 G4PVPlacement *offYPhys=new G4PVPlacement(0,G4ThreeVector(15,0,-10),
143 "Target 3",slabLog,
144 worldPhys,false,0);
145
146// G4PVPlacement *offYZPhys=
147 new G4PVPlacement(0,G4ThreeVector(0,15,10),
148 "Target 4",boxLog,
149 worldPhys,false,0);
150// G4PVPlacement *offMYZPhys=
151 new G4PVPlacement(0,G4ThreeVector(0,-15,10),
152 "Target 5",boxLog,
153 worldPhys,false,0);
154
155
156 G4LogicalVolume *variLog=new G4LogicalVolume(myVariableBox,0,
157 "Variable Blocks",0,0,0);
158// G4PVParameterised *paramPhys=
159 new G4PVParameterised("Vari' Blocks",
160 variLog,
161 offYPhys,
162 kYAxis,
163 3,
164 &myParam);
165 return worldPhys;
166}
167
168//
169// Test LocateGlobalPointAndSetup
170//
171G4bool testG4Navigator1(G4VPhysicalVolume *pTopNode)
172{
173 MyNavigator myNav;
174 G4VPhysicalVolume *located;
175 myNav.SetWorldVolume(pTopNode);
176
177 assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0),0,false));
178 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,0),0,false);
179 assert(located->GetName()=="World");
180
181 assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0)));
182
183// Check relative search that causes backup one level and then search down:
184// Nonrel' finds Target 3, then rel' with point in Target 5 finds Target 5
185 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,0,-10),0,false);
186 assert(located->GetName()=="Vari' Blocks");
187
188 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-15,20));
189 assert(located->GetName()=="Target 5");
190 assert(ApproxEqual(myNav.CurrentLocalCoordinate(),G4ThreeVector(0,0,10)));
191// Check that outside point causes stack to unwind
192 assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0)));
193
194// Check parameterised volumes
195
196// Replication 0
197 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-15,-10));
198 assert(located->GetName()=="Vari' Blocks");
199 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-15,-16));
200 assert(located->GetName()=="Target 3");
201
202// Replication 1
203 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,0,-10));
204 assert(located->GetName()=="Vari' Blocks");
205 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,0,-17));
206 assert(located->GetName()=="Target 3");
207
208// Replication 2
209 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,15,-10));
210 assert(located->GetName()=="Vari' Blocks");
211 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,15,-18));
212 assert(located->GetName()=="Target 3");
213
214 return true;
215}
216
217
218//
219// Test Stepping
220//
221G4bool testG4Navigator2(G4VPhysicalVolume *pTopNode)
222{
223 MyNavigator myNav;
224 G4VPhysicalVolume *located;
225 G4double Step,physStep,safety;
226 G4ThreeVector xHat(1,0,0),yHat(0,1,0),zHat(0,0,1);
227 G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1);
228
229 myNav.SetWorldVolume(pTopNode);
230
231//
232// Test location & Step computation
233//
234 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-10));
235 assert(located->GetName()=="World");
236 physStep=kInfinity;
237 Step=myNav.ComputeStep(G4ThreeVector(0,0,-10),mxHat,physStep,safety);
238 assert(ApproxEqual(Step,25));
239// assert(ApproxEqual(safety,5));
240 assert(safety>=0);
241
242 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-10));
243 assert(located->GetName()=="World");
244 physStep=kInfinity;
245 Step=myNav.ComputeStep(G4ThreeVector(0,0,-10),xHat,physStep,safety);
246 assert(ApproxEqual(Step,5));
247// assert(ApproxEqual(safety,5));
248 assert(safety>=0);
249 myNav.SetGeometricallyLimitedStep();
250 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(5,0,-10),0,true);
251 assert(located->GetName()=="Vari' Blocks");
252
253 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-10));
254 assert(located->GetName()=="World");
255 physStep=kInfinity;
256 Step=myNav.ComputeStep(G4ThreeVector(0,0,-10),zHat,physStep,safety);
257 assert(ApproxEqual(Step,30));
258// assert(ApproxEqual(safety,5));
259 assert(safety>=0);
260
261 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-10));
262 assert(located->GetName()=="World");
263 physStep=kInfinity;
264 Step=myNav.ComputeStep(G4ThreeVector(0,0,-10),mzHat,physStep,safety);
265 assert(ApproxEqual(Step,10));
266// assert(ApproxEqual(safety,5));
267 assert(safety>=0);
268
269
270//
271// Test stepping through common boundaries
272//
273 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-7,7,-20));
274 assert(located->GetName()=="Target 1");
275 physStep=kInfinity;
276 Step=myNav.ComputeStep(G4ThreeVector(-7,7,-20),zHat,physStep,safety);
277 assert(ApproxEqual(Step,20));
278 assert(ApproxEqual(safety,0));
279 myNav.SetGeometricallyLimitedStep();
280 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-7,7,0));
281 assert(located->GetName()=="Target 4");
282 Step=myNav.ComputeStep(G4ThreeVector(-7,7,0),zHat,physStep,safety);
283 assert(ApproxEqual(Step,20));
284 assert(ApproxEqual(safety,0));
285 myNav.SetGeometricallyLimitedStep();
286 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-7,7,20));
287 assert(!located);
288
289//
290// Test mother limited Step
291//
292 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-25,0,10));
293 assert(located->GetName()=="World");
294 physStep=kInfinity;
295 Step=myNav.ComputeStep(G4ThreeVector(-25,0,10),xHat,physStep,safety);
296 assert(ApproxEqual(Step,50));
297 assert(ApproxEqual(safety,0));
298
299//
300// Test stepping through parameterised volumes
301//
302 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-25,-10),0,false);
303 assert(located->GetName()=="Target 3");
304 physStep=kInfinity;
305 Step=myNav.ComputeStep(G4ThreeVector(15,-25,-10),yHat,physStep,safety);
306 assert(ApproxEqual(Step,5));
307 assert(ApproxEqual(safety,0));
308 myNav.SetGeometricallyLimitedStep();
309 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-20,-10));
310 assert(located->GetName()=="Vari' Blocks");
311 Step=myNav.ComputeStep(G4ThreeVector(15,-20,-10),yHat,physStep,safety);
312 assert(ApproxEqual(Step,10));
313 assert(ApproxEqual(safety,0));
314 myNav.SetGeometricallyLimitedStep();
315 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-10,-10));
316 assert(located->GetName()=="Target 3");
317 Step=myNav.ComputeStep(G4ThreeVector(15,-10,-10),yHat,physStep,safety);
318 assert(ApproxEqual(Step,4));
319 assert(ApproxEqual(safety,0));
320 myNav.SetGeometricallyLimitedStep();
321 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-6,-10));
322 assert(located->GetName()=="Vari' Blocks");
323 Step=myNav.ComputeStep(G4ThreeVector(15,-6,-10),yHat,physStep,safety);
324 assert(ApproxEqual(Step,12));
325 assert(ApproxEqual(safety,0));
326 myNav.SetGeometricallyLimitedStep();
327 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,6,-10));
328 assert(located->GetName()=="Target 3");
329 Step=myNav.ComputeStep(G4ThreeVector(15,6,-10),yHat,physStep,safety);
330 assert(ApproxEqual(Step,2));
331 assert(ApproxEqual(safety,0));
332 myNav.SetGeometricallyLimitedStep();
333 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,8,-10));
334 assert(located->GetName()=="Vari' Blocks");
335 Step=myNav.ComputeStep(G4ThreeVector(15,8,-10),yHat,physStep,safety);
336 assert(ApproxEqual(Step,14));
337 assert(ApproxEqual(safety,0));
338 myNav.SetGeometricallyLimitedStep();
339 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,22,-10));
340 assert(located->GetName()=="Target 3");
341 Step=myNav.ComputeStep(G4ThreeVector(15,22,-10),yHat,physStep,safety);
342 assert(ApproxEqual(Step,3));
343 assert(ApproxEqual(safety,0));
344 myNav.SetGeometricallyLimitedStep();
345 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,25,-10));
346 assert(!located);
347
348 return true;
349}
350
351int main()
352{
353 G4VPhysicalVolume *myTopNode;
354 myTopNode=BuildGeometry(); // Build the geometry
355 G4GeometryManager::GetInstance()->CloseGeometry(false);
356 testG4Navigator1(myTopNode);
357 testG4Navigator2(myTopNode);
358// Repeat tests but with full voxels
359 G4GeometryManager::GetInstance()->OpenGeometry();
360 G4GeometryManager::GetInstance()->CloseGeometry(true);
361 testG4Navigator1(myTopNode);
362 testG4Navigator2(myTopNode);
363
364 G4GeometryManager::GetInstance()->OpenGeometry();
365 return 0;
366}
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