source: trunk/source/geometry/navigation/test/testG4Navigator6.cc

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

geant4 tag 9.4
File size: 7.4 KB
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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 *
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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 *
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24// ********************************************************************
25//
26//
27// $Id: testG4Navigator6.cc,v 1.5 2006/06/29 18:37:28 gunter Exp $
28// GEANT4 tag $Name: geant4-09-04-ref-00 $
29//
30//
31//
32// Create a tubular "calorimeter". Shoot from origin along x & y axes
33// printing location, steps & safeties. Locate 50^3 points within
34// calorimeter to check performance of point location logic.
35//
36// Arguments: Put `1' or `0' to toggle voxel optimisation on/off
37// [Default: ON]
38//
39// Define G4GEOMETRY_VERBOSE for dump of topmost voxels
40
41
42#include <assert.h>
43#include "G4ios.hh"
44#include <stdlib.h>
45
46// Global defs
47#include "globals.hh"
48
49#include "G4Timer.hh"
50#include "ApproxEqual.hh"
51
52#include "G4Navigator.hh"
53
54#include "G4LogicalVolume.hh"
55#include "G4VPhysicalVolume.hh"
56#include "G4PVPlacement.hh"
57#include "G4Box.hh"
58#include "G4Tubs.hh"
59
60#include "G4GeometryManager.hh"
61
62#include "G4RotationMatrix.hh"
63#include "G4ThreeVector.hh"
64
65// Build tubular calorimeter:
66// An array of interlocking complete tubes, inside a box
67//
68// Controlled by:
69const G4double kTubeHalfHeight = 10;
70const G4double kTubeRadius = 5;
71const G4double kTubeNoRow = 10;
72const G4double kTubeNoColumn = 11; // Should be odd for symmetrical array
73
74const G4double kBoxDx=kTubeNoRow*kTubeRadius;
75const G4double yDelta=2.0*kTubeRadius*std::sin(pi/3.0);
76const G4double kBoxDy=(kTubeNoColumn-1)*yDelta*0.5+kTubeRadius;
77const G4double kBoxDz=kTubeHalfHeight;
78
79G4VPhysicalVolume* BuildGeometry()
80{
81 G4double bigXStart=-(kTubeNoRow-1)*kTubeRadius;
82 G4double smallXStart=bigXStart+kTubeRadius;
83
84 G4double bigYStart=-(kTubeNoColumn-1)*yDelta*0.5;
85 G4double smallYStart=bigYStart+yDelta;
86
87
88 G4int row,column;
89
90 G4Box *calBox = new G4Box ("Cal Box",kBoxDx,kBoxDy,kBoxDz);
91 G4Tubs *calTube = new G4Tubs("Cal Tube",0,kTubeRadius,
92 kTubeHalfHeight,0,360);
93
94
95 G4LogicalVolume *myDetectorLog=new G4LogicalVolume(calBox,0,
96 "World",
97 0,0,0);
98 // Logical with no material,field,
99 // sensitive detector or user limits
100
101 G4PVPlacement *myDetectorPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0),
102 "World",
103 myDetectorLog,0,false,0);
104 // Note: no mother pointer set
105
106 G4LogicalVolume *calTubLog=new G4LogicalVolume(calTube,0,
107 "Cal Crystal",
108 0,0,0);
109
110 G4String tname("Target");
111 G4int copyNo=0;
112 for (column=0;column<kTubeNoColumn;column+=2)
113 {
114 for (row=0;row<kTubeNoRow;row++)
115 {
116
117// G4PVPlacement *calPhys=
118 new G4PVPlacement(
119 0,G4ThreeVector(bigXStart+row*kTubeRadius*2.0,bigYStart+column*yDelta,0),
120 tname,calTubLog,
121 myDetectorPhys,false,copyNo++);
122 }
123 }
124
125
126 for (column=0;column<kTubeNoColumn-1;column+=2)
127 {
128 for (row=0;row<kTubeNoRow-1;row++)
129 {
130
131// G4PVPlacement *calPhys=
132 new G4PVPlacement(
133 0,G4ThreeVector(smallXStart+row*kTubeRadius*2.0,smallYStart+column*yDelta),
134 tname,calTubLog,
135 myDetectorPhys,false,copyNo++);
136 }
137 }
138
139 return myDetectorPhys;
140}
141
142
143G4bool printShoot(G4VPhysicalVolume *pTopNode,
144 const G4ThreeVector& pLoc,
145 const G4ThreeVector& pVec)
146{
147 G4double Step=0,safety=0;
148 const G4double physStep=kInfinity;
149 G4VPhysicalVolume *located=0;
150 MyNavigator myNav;
151 myNav.SetWorldVolume(pTopNode);
152
153 G4ThreeVector partLoc(pLoc);
154 G4cout << "Shooting from " << pLoc << " along " << pVec << G4endl;
155 located=myNav.LocateGlobalPointAndSetup(partLoc);
156 while (located)
157 {
158 Step=myNav.ComputeStep(partLoc,pVec,physStep,safety);
159 G4cout << "Physical Location=" << located->GetName()
160 << " #" << located->GetCopyNo() << G4endl
161 << " Step=" << Step << " Safety=" << safety
162 << " ---->" << G4endl;
163
164 partLoc+=Step*pVec;
165 myNav.SetGeometricallyLimitedStep();
166 located=myNav.LocateGlobalPointAndSetup(partLoc);
167 }
168 return true;
169}
170
171G4bool runLocate(G4VPhysicalVolume *pTopNode)
172{
173 const G4int numLocPerAxis=50;
174 const G4double dxStep=kBoxDx*2.0/numLocPerAxis;
175 const G4double dyStep=kBoxDy*2.0/numLocPerAxis;
176 const G4double dzStep=kBoxDz*2.0/numLocPerAxis;
177
178 MyNavigator myNav;
179 G4ThreeVector worldPoint;
180 myNav.SetWorldVolume(pTopNode);
181 for (G4double x=-kBoxDx;x<kBoxDx;x+=dxStep)
182 {
183 for (G4double y=-kBoxDy;y<kBoxDy;y+=dyStep)
184 {
185 for (G4double z=-kBoxDz;z<kBoxDz;z+=dzStep)
186 {
187 worldPoint=G4ThreeVector(x,y,z);
188 myNav.LocateGlobalPointAndSetup(worldPoint,0,false);
189 }
190 }
191
192 }
193 return true;
194}
195
196G4bool runAll(G4VPhysicalVolume *pTopNode)
197{
198 G4cout << "Locating..." << G4endl;
199 runLocate(pTopNode);
200 G4cout << "Done" << G4endl;
201 return true;
202}
203
204int main(int argc, char* argv[])
205{
206 G4bool optimise;
207 G4Timer timer;
208 if (argc==1)
209 {
210 optimise=true;
211 }
212 else if (argc==2)
213 {
214 G4String opt(argv[1]);
215
216 if (opt=="0")
217 {
218 optimise=false;
219 }
220 else if (opt=="1")
221 {
222 optimise=true;
223 }
224 else
225 {
226 G4cout << "Unknown args" << G4endl;
227 return EXIT_FAILURE;
228 }
229 }
230 else
231 {
232 G4cout << "Unknown args" << G4endl;
233 return EXIT_FAILURE;
234 }
235
236 G4VPhysicalVolume *myTopNode;
237 myTopNode=BuildGeometry(); // Build the geometry
238
239 G4GeometryManager::GetInstance()->OpenGeometry();
240
241 timer.Start();
242 G4GeometryManager::GetInstance()->CloseGeometry(optimise);
243 timer.Stop();
244
245//#ifdef G4GEOMETRY_VERBOSE
246// G4cout << *(G4LogicalVolumeStore::GetInstance()->at(0)->GetVoxelHeader());
247//#endif
248 if (optimise)
249 {
250 G4cout << "Built voxels ";
251 }
252 else
253 {
254 G4cout << "No voxels ";
255 }
256 G4cout << timer << G4endl;
257
258 printShoot(myTopNode,
259 G4ThreeVector(-kBoxDx,0,0),
260 G4ThreeVector(1,0,0));
261 printShoot(myTopNode,
262 G4ThreeVector(0,0,0),
263 G4ThreeVector(1/std::sqrt(2.),1/std::sqrt(2.),0));
264 timer.Start();
265 runAll(myTopNode);
266 timer.Stop();
267 G4cout << timer << G4endl;
268
269 G4GeometryManager::GetInstance()->OpenGeometry();
270 return EXIT_SUCCESS;
271}
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