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26 ///////////////////////////////////////////////////////////////////////////////
27 // File: CCalRotationMatrixFactory.cc
28 // Description: CCalRotationFactory is a factory class to define all rotation
29 // matrices used in geometry building
30 ///////////////////////////////////////////////////////////////////////////////
31 #include <fstream>
32 #include <stdlib.h>
33
34 #include "CCalRotationMatrixFactory.hh"
35
36 #include "CCalutils.hh"
37
38 #include "G4SystemOfUnits.hh"
39
40 //#define debug
41 //#define ddebug
42
43 CCalRotationMatrixFactory * CCalRotationMatrixFactory::instance = 0;
44 G4String CCalRotationMatrixFactory::file="";
45
46 CCalRotationMatrixFactory* CCalRotationMatrixFactory::getInstance(const G4String & rotfile){
47 if (rotfile=="" || rotfile==file)
48 return getInstance();
49 else if (file=="") {
50 file=rotfile;
51 return getInstance();
52 } else {
53 G4cerr << "ERROR: Trying to get Rotation Matrices from " << rotfile
54 << " when previously were retrieved from " << file <<"." << G4endl;
55 return 0;
56 }
57 }
58
59
60 CCalRotationMatrixFactory* CCalRotationMatrixFactory::getInstance(){
61 if (file=="") {
62 G4cerr << "ERROR: You haven't defined which file to use for materials in "
63 << "CCalRotationMatrixFactory::getInstance(G4String)" << G4endl;
64 return 0;
65 }
66
67 if (instance==0) {
68 instance = new CCalRotationMatrixFactory;
69 return instance;
70 }
71 else
72 return instance;
73 }
74
75 void CCalRotationMatrixFactory::setFileName(const G4String& rotfile) {
76 if (rotfile!=file && file!="") {
77 G4cerr << "ERROR: Trying to change Rotation Matrices file name to "
78 << rotfile << "." << G4endl;
79 G4cerr << " Using previous file: " << file << G4endl;
80 }
81 file=rotfile;
82 }
83
84 CCalRotationMatrixFactory::~CCalRotationMatrixFactory(){
85 G4RotationMatrixTableIterator i;
86 for(i=theMatrices.begin(); i != theMatrices.end(); ++i) {
87 delete (*i).second;
88 };
89 theMatrices.clear();
90 }
91
92 G4RotationMatrix* CCalRotationMatrixFactory::findMatrix(const G4String & rot) {
93 G4RotationMatrix* retrot=0;
94 //Rotation :NULL is no rotation so a null pointer is returned
95 if (rot != ":NULL") {
96 //retrot untouched if rot not found!!!
97 G4RotationMatrixTableIterator it = theMatrices.find(rot);
98 if (it != theMatrices.end())
99 retrot = (*it).second;
100 }
101
102 return retrot; //!!!Maybe a treatment on not-found case needed.
103 }
104
105 G4RotationMatrix* CCalRotationMatrixFactory::AddMatrix(const G4String& name,
106 G4double th1,
107 G4double phi1,
108 G4double th2,
109 G4double phi2,
110 G4double th3,
111 G4double phi3){
112 G4double sinth1, sinth2, sinth3, costh1, costh2, costh3;
113 G4double sinph1, sinph2, sinph3, cosph1, cosph2, cosph3;
114 G4double TH1 = th1/deg, TH2 = th2/deg, TH3 = th3/deg;
115 G4double PH1 = phi1/deg, PH2 = phi2/deg, PH3 = phi3/deg;
116
117 if (TH1 == 0.0 || TH1 == 360) {
118 sinth1 = 0.0; costh1 = 1.0;
119 } else if (TH1 == 90.0 || TH1 == -270) {
120 sinth1 = 1.0; costh1 = 0.0;
121 } else if (TH1 == 180.0 || TH1 == -180.0) {
122 sinth1 = 0.0; costh1 = -1.0;
123 } else if (TH1 == 270.0 || TH1 == -90.0) {
124 sinth1 = -1.0; costh1 = 0.0;
125 } else {
126 sinth1 = std::sin(th1); costh1 = std::cos(th1);
127 }
128
129 if (TH2 == 0.0 || TH2 == 360) {
130 sinth2 = 0.0; costh2 = 1.0;
131 } else if (TH2 == 90.0 || TH2 == -270) {
132 sinth2 = 1.0; costh2 = 0.0;
133 } else if (TH2 == 180.0 || TH2 == -180.0) {
134 sinth2 = 0.0; costh2 = -1.0;
135 } else if (TH2 == 270.0 || TH2 == -90.0) {
136 sinth2 = -1.0; costh2 = 0.0;
137 } else {
138 sinth2 = std::sin(th2); costh2 = std::cos(th2);
139 }
140
141 if (TH3 == 0.0 || TH3 == 360) {
142 sinth3 = 0.0; costh3 = 1.0;
143 } else if (TH3 == 90.0 || TH2 == -270) {
144 sinth3 = 1.0; costh3 = 0.0;
145 } else if (TH3 == 180.0 || TH3 == -180.0) {
146 sinth3 = 0.0; costh3 = -1.0;
147 } else if (TH3 == 270.0 || TH3 == -90.0) {
148 sinth3 = -1.0; costh3 = 0.0;
149 } else {
150 sinth3 = std::sin(th3); costh3 = std::cos(th3);
151 }
152
153 if (PH1 == 0.0 || PH1 == 360) {
154 sinph1 = 0.0; cosph1 = 1.0;
155 } else if (PH1 == 90.0 || PH1 == -270) {
156 sinph1 = 1.0; cosph1 = 0.0;
157 } else if (PH1 == 180.0 || PH1 == -180.0) {
158 sinph1 = 0.0; cosph1 = -1.0;
159 } else if (PH1 == 270.0 || PH1 == -90.0) {
160 sinph1 = -1.0; cosph1 = 0.0;
161 } else {
162 sinph1 = std::sin(phi1); cosph1 = std::cos(phi1);
163 }
164
165 if (PH2 == 0.0 || PH2 == 360) {
166 sinph2 = 0.0; cosph2 = 1.0;
167 } else if (PH2 == 90.0 || PH2 == -270) {
168 sinph2 = 1.0; cosph2 = 0.0;
169 } else if (PH2 == 180.0 || PH2 == -180.0) {
170 sinph2 = 0.0; cosph2 = -1.0;
171 } else if (PH2 == 270.0 || PH2 == -90.0) {
172 sinph2 = -1.0; cosph2 = 0.0;
173 } else {
174 sinph2 = std::sin(phi2); cosph2 = std::cos(phi2);
175 }
176
177 if (PH3 == 0.0 || PH3 == 360) {
178 sinph3 = 0.0; cosph3 = 1.0;
179 } else if (PH3 == 90.0 || PH3 == -270) {
180 sinph3 = 1.0; cosph3 = 0.0;
181 } else if (PH3 == 180.0 || PH3 == -180.0) {
182 sinph3 = 0.0; cosph3 = -1.0;
183 } else if (PH3 == 270.0 || PH3 == -90.0) {
184 sinph3 = -1.0; cosph3 = 0.0;
185 } else {
186 sinph3 = std::sin(phi3); cosph3 = std::cos(phi3);
187 }
188
189 //xprime axis coordinates
190 CLHEP::Hep3Vector xprime(sinth1*cosph1,sinth1*sinph1,costh1);
191 //yprime axis coordinates
192 CLHEP::Hep3Vector yprime(sinth2*cosph2,sinth2*sinph2,costh2);
193 //zprime axis coordinates
194 CLHEP::Hep3Vector zprime(sinth3*cosph3,sinth3*sinph3,costh3);
195
196 #ifdef ddebug
197 G4cout << xprime << '\t'; G4cout << yprime << '\t'; G4cout << zprime << G4endl;
198 #endif
199 G4RotationMatrix *rotMat = new G4RotationMatrix();
200 rotMat->rotateAxes(xprime, yprime, zprime);
201 if (*rotMat == G4RotationMatrix()) {
202 // G4cerr << "WARNING: Matrix " << name << " will not be created as a rotation matrix."
203 // G4cerr << "WARNING: Matrix " << name << " is = identity matrix. It will not be created as a rotation matrix." << G4endl;
204 delete rotMat;
205 rotMat=0;
206 } else {
207 rotMat->invert();
208 theMatrices[name]=rotMat;
209 #ifdef ddebug
210 G4cout << *rotMat << G4endl;
211 #endif
212 }
213
214 return rotMat;
215 }
216
217 CCalRotationMatrixFactory::CCalRotationMatrixFactory():theMatrices(){
218
219 G4String path = "NULL";
220 if (std::getenv("CCAL_GLOBALPATH"))
221 path = std::getenv("CCAL_GLOBALPATH");
222
223 G4cout << " ==> Opening file " << file << "..." << G4endl;
224 std::ifstream is;
225 G4bool ok = openGeomFile(is, path, file);
226 if (!ok) {
227 G4ExceptionDescription ed;
228 ed << "Could not open file " << file << " ... Exiting!" << G4endl;
229 G4Exception("CCalRotationMatrixFactory::CCalRotationMatrixFactory()",
230 "ccal002",
231 FatalException,ed);
232 }
233
234 //////////////////////////////////////////////////
235 // Find *DO ROTM
236 findDO(is, G4String("ROTM"));
237
238 char rubish[256];
239 G4String name;
240
241 #ifdef debug
242 G4cout << " ==> Reading Rotation Matrices... " << G4endl;
243 G4cout << " Name\tTheta1\tPhi1\tTheta2\tPhi2\tTheta3\tPhi3"<< G4endl;
244 #endif
245
246 is >> name;
247 while(name!="*ENDDO") {
248 if (name.find("#.")==0) { //It is a comment.Skip line.
249 is.getline(rubish,256,'\n');
250 } else {
251 #ifdef debug
252 G4cout << " " << name <<'\t';
253 #endif
254 G4double th1, phi1, th2, phi2, th3, phi3;
255 //Get xprime axis angles
256 is >> th1 >> phi1;
257 #ifdef debug
258 G4cout << th1 << '\t' << phi1 << '\t';
259 #endif
260 //Get yprime axis angles
261 is >> th2 >> phi2;
262 #ifdef debug
263 G4cout << th2 << '\t' << phi2 << '\t';
264 #endif
265 //Get zprime axis angles
266 is >> th3 >> phi3;
267 #ifdef debug
268 G4cout << th3 << '\t' << phi3 << '\t';
269 #endif
270
271 is.getline(rubish,256,'\n');
272 #ifdef debug
273 G4cout << rubish << G4endl;
274 #endif
275
276 AddMatrix(name, th1*deg, phi1*deg, th2*deg, phi2*deg, th3*deg, phi3*deg);
277 }
278
279 is >> name;
280 };
281
282 is.close();
283 G4cout << " " << theMatrices.size() << " rotation matrices read in." << G4endl;
284 }
285
286
287 // 29-Jan-2004 A.R. : commented to avoid clashes with CLHEP.
288 // Streaming operators for rotation matrices are
289 // already defined in CLHEP::HepRotation.
290 // std::ostream& operator<<(std::ostream& os , const G4RotationMatrix & rot){
291 // // os << "( " << rot.xx() << tab << rot.xy() << tab << rot.xz() << " )" << G4endl;
292 // // os << "( " << rot.yx() << tab << rot.yy() << tab << rot.yz() << " )" << G4endl;
293 // // os << "( " << rot.zx() << tab << rot.zy() << tab << rot.zz() << " )" << G4endl;
294 //
295 // os << "["
296 // << rot.thetaX()/deg << tab << rot.phiX()/deg << tab
297 // << rot.thetaY()/deg << tab << rot.phiY()/deg << tab
298 // << rot.thetaZ()/deg << tab << rot.phiZ()/deg << "]"
299 // << G4endl;
300 //
301 // return os;
302 // }
303