source: trunk/source/geometry/navigation/test/testG4Navigator2.cc@ 1335

Last change on this file since 1335 was 1316, checked in by garnier, 15 years ago

update geant4-09-04-beta-cand-01 interfaces-V09-03-09 vis-V09-03-08
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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: testG4Navigator2.cc,v 1.6 2007/03/23 18:33:08 japost Exp $
28// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
29//
30//
31// Locate & Step within simple rotated boxlike geometry, both
32// with and without voxels.
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#include "G4PhysicalVolumeStore.hh"
51
52#include "G4RotationMatrix.hh"
53#include "G4ThreeVector.hh"
54
55G4VPhysicalVolume* BuildGeometry()
56{
57
58 G4Box *myBigBox= new G4Box ("cube",50,50,50);
59 G4Box *myBox=new G4Box("cuboid",5,10,15);
60 G4LogicalVolume *worldLog=new G4LogicalVolume(myBigBox,0,
61 "World",0,0,0);
62 // Logical with no material,field,
63 // sensitive detector or user limits
64
65 G4PVPlacement *worldPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0),
66 "World",worldLog,
67 0,false,0);
68 // Note: no mother pointer set
69
70 G4LogicalVolume *boxLog=new G4LogicalVolume(myBox,0,
71 "Crystal Box",0,0,0);
72
73 G4RotationMatrix *rot1=new G4RotationMatrix();
74 rot1->rotateZ(pi*0.5);
75// G4PVPlacement *boxPhys1=
76 new G4PVPlacement(rot1,G4ThreeVector(0,0,0),
77 "Target 1",boxLog,
78 worldPhys,false,0);
79
80 G4RotationMatrix *rot2=new G4RotationMatrix();
81 rot2->rotateX(pi*0.5);
82// G4PVPlacement *boxPhys2=
83 new G4PVPlacement(rot2,G4ThreeVector(-30,0,0),
84 "Target 2",boxLog,
85 worldPhys,false,0);
86 G4RotationMatrix *rot3=new G4RotationMatrix();
87 rot3->rotateY(pi*0.5);
88// G4PVPlacement *boxPhys3=
89 new G4PVPlacement(rot3,G4ThreeVector(30,0,0),
90 "Target 3",boxLog,
91 worldPhys,false,0);
92 return worldPhys;
93}
94
95
96//
97// Test LocateGlobalPointAndSetup
98//
99G4bool testG4NavigatorLocate(G4VPhysicalVolume *pTopNode)
100{
101 G4Navigator myNav;
102 G4VPhysicalVolume *located;
103 myNav.SetWorldVolume(pTopNode);
104
105 assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0),0,false));
106 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,0),0,false);
107 assert(located->GetName()=="Target 1");
108 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(10,0,0),0,false);
109 assert(located->GetName()=="Target 1");
110 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,10,0),0,false);
111 assert(located->GetName()=="World");
112 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,5,0),0,false);
113 assert(located->GetName()=="Target 1");
114
115 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-30,0,0),0,false);
116 assert(located->GetName()=="Target 2");
117 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-30,10,15),0,false);
118 assert(located->GetName()=="World");
119 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-35,15,10),0,false);
120 assert(located->GetName()=="Target 2");
121 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-25,-15,-10),0,false);
122 assert(located->GetName()=="Target 2");
123
124 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(30,0,0),0,false);
125 assert(located->GetName()=="Target 3");
126 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(30,15,5),0,false);
127 assert(located->GetName()=="World");
128 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,10,5),0,false);
129 assert(located->GetName()=="Target 3");
130 located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(45,-10,-5),0,false);
131 assert(located->GetName()=="Target 3");
132
133 return true;
134}
135
136// Test ComputeStep
137//
138G4bool testG4NavigatorSteps(G4VPhysicalVolume *pTopNode)
139{
140 MyNavigator myNav;
141 G4VPhysicalVolume *located;
142 G4double Step,physStep,safety;
143 G4ThreeVector pos,dir,origin,xHat(1,0,0),yHat(0,1,0),zHat(0,0,1);
144 G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1);
145 myNav.SetWorldVolume(pTopNode);
146
147 pos=origin;
148 dir=xHat;
149 located=myNav.LocateGlobalPointAndSetup(pos,0,false);
150 assert(located->GetName()=="Target 1");
151 physStep=kInfinity;
152 Step=myNav.ComputeStep(origin,dir,physStep,safety);
153 assert(ApproxEqual(Step,10));
154
155 pos+=Step*dir;
156 myNav.SetGeometricallyLimitedStep();
157 located=myNav.LocateGlobalPointAndSetup(pos);
158 assert(located->GetName()=="World");
159 Step=myNav.ComputeStep(pos,dir,physStep,safety);
160 assert(ApproxEqual(Step,5));
161
162 pos+=Step*dir;
163 myNav.SetGeometricallyLimitedStep();
164 located=myNav.LocateGlobalPointAndSetup(pos);
165 assert(located->GetName()=="Target 3");
166 Step=myNav.ComputeStep(pos,dir,physStep,safety);
167 assert(ApproxEqual(Step,30));
168
169 pos+=Step*dir;
170 myNav.SetGeometricallyLimitedStep();
171 located=myNav.LocateGlobalPointAndSetup(pos);
172 assert(located->GetName()=="World");
173 Step=myNav.ComputeStep(pos,dir,physStep,safety);
174 assert(ApproxEqual(Step,5));
175 pos+=Step*dir;
176
177 myNav.SetGeometricallyLimitedStep();
178 located=myNav.LocateGlobalPointAndSetup(pos);
179 assert(located==0);
180 return true;
181}
182
183//
184//
185//
186G4double
187CheckNextStep_And_TakeIt( G4Navigator &Navigator,
188 const G4ThreeVector &position,
189 const G4ThreeVector &direction,
190 G4double proposedStep,
191 G4double &resNewSafety, // Output !!
192 G4double expectedStep)
193{
194 // G4double Step1= 0.0, Step2= 0.0;
195 G4double Step= 0.0;
196 G4double safety1=0.0, safety2=0.0;
197 // Check new ComputeStep method
198 Step=Navigator.CheckNextStep(position,direction,proposedStep,safety1);
199 assert(ApproxEqual(Step,expectedStep));
200
201 Step=Navigator.ComputeStep(position,direction,proposedStep,safety2);
202 assert(ApproxEqual(Step,expectedStep));
203
204 assert(ApproxEqual(safety1,safety2));
205
206 resNewSafety= safety2;
207 return Step;
208}
209
210//
211
212//
213// Test CheckNextSteps
214//
215G4bool testG4NavigatorCheckNextSteps(G4VPhysicalVolume *pTopNode)
216{
217 MyNavigator myNav;
218 G4VPhysicalVolume *located;
219 G4double Step,physStep,safety;
220 G4ThreeVector pos,dir,origin,xHat(1,0,0),yHat(0,1,0),zHat(0,0,1);
221 G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1);
222 myNav.SetWorldVolume(pTopNode);
223
224 G4double expectedStep=0.0;
225
226 pos=origin;
227 dir=xHat;
228 located=myNav.LocateGlobalPointAndSetup(pos,0,false);
229 assert(located->GetName()=="Target 1");
230 physStep=kInfinity;
231 // Step=myNav.ComputeStep(origin,dir,physStep,safety);
232 // assert(ApproxEqual(Step,10));
233 Step= CheckNextStep_And_TakeIt(myNav,pos,dir,physStep,safety,expectedStep=10.0);
234 pos+=Step*dir;
235 myNav.SetGeometricallyLimitedStep();
236 located=myNav.LocateGlobalPointAndSetup(pos);
237 assert(located->GetName()=="World");
238 // Step=myNav.ComputeStep(pos,dir,physStep,safety);
239 // assert(ApproxEqual(Step,5));
240 Step= CheckNextStep_And_TakeIt(myNav,pos,dir,physStep,safety,expectedStep=5.0);
241 pos+=Step*dir;
242 myNav.SetGeometricallyLimitedStep();
243 located=myNav.LocateGlobalPointAndSetup(pos);
244 assert(located->GetName()=="Target 3");
245
246 // Step=myNav.ComputeStep(pos,dir,physStep,safety);
247 // assert(ApproxEqual(Step,30));
248 Step= CheckNextStep_And_TakeIt(myNav,pos,dir,physStep,safety,expectedStep=30.0);
249 pos+=Step*dir;
250
251 myNav.SetGeometricallyLimitedStep();
252 located=myNav.LocateGlobalPointAndSetup(pos);
253 assert(located->GetName()=="World");
254
255 // Step=myNav.ComputeStep(pos,dir,physStep,safety);
256 // assert(ApproxEqual(Step,5));
257 Step= CheckNextStep_And_TakeIt(myNav,pos,dir,physStep,safety,expectedStep=5.0);
258 // ** New: Check new ComputeStep method
259 // Step=myNav.CheckNextStep(pos,dir,physStep,safety);
260 // assert(ApproxEqual(Step,5));
261
262 pos+=Step*dir;
263 myNav.SetGeometricallyLimitedStep();
264 located=myNav.LocateGlobalPointAndSetup(pos);
265 assert(located==0);
266 return true;
267}
268
269int main()
270{
271 G4VPhysicalVolume *myTopNode;
272 myTopNode=BuildGeometry(); // Build the geometry
273 G4GeometryManager::GetInstance()->CloseGeometry(false);
274 testG4NavigatorLocate(myTopNode);
275 testG4NavigatorSteps(myTopNode);
276 testG4NavigatorCheckNextSteps(myTopNode);
277
278// Repeat tests but with full voxels
279 G4GeometryManager::GetInstance()->OpenGeometry();
280 G4GeometryManager::GetInstance()->CloseGeometry(true);
281 testG4NavigatorLocate(myTopNode);
282 testG4NavigatorSteps(myTopNode);
283 testG4NavigatorCheckNextSteps(myTopNode);
284
285 G4GeometryManager::GetInstance()->OpenGeometry();
286
287 G4PhysicalVolumeStore *ps=G4PhysicalVolumeStore::GetInstance();
288 for (G4int i=ps->size()-1;i>=0;i--)
289 {
290 // Delete any rotation matrices
291 delete (*ps)[i]->GetRotation();
292 }
293 return 0;
294}
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