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JHobbit.cc File Reference

Program to fit time-residuals histogram in output of JCalibrateMuon.cc. More...

#include <string>
#include <iostream>
#include <iomanip>
#include <vector>
#include <map>
#include "TROOT.h"
#include "TFile.h"
#include "TH1D.h"
#include "TH2D.h"
#include "TF1.h"
#include "TMath.h"
#include "TFitResult.h"
#include "JROOT/JMinimizer.hh"
#include "JLang/JLangToolkit.hh"
#include "JSupport/JMeta.hh"
#include "JTools/JRange.hh"
#include "JDetector/JDetector.hh"
#include "JDetector/JDetectorToolkit.hh"
#include "JDetector/JTimeRange.hh"
#include "JDetector/JStringRouter.hh"
#include "Jeep/JPrint.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions

int main (int argc, char **argv)
 

Detailed Description

Program to fit time-residuals histogram in output of JCalibrateMuon.cc.

Author
mdejong

Definition in file JHobbit.cc.

Function Documentation

◆ main()

int main ( int argc,
char ** argv )

Definition at line 49 of file JHobbit.cc.

50{
51 using namespace std;
52 using namespace JPP;
53
54 vector<string> inputFile;
55 string outputFile;
56 string detectorFile;
57 bool overwriteDetector;
58 string function;
59 JTimeRange T_ns;
60 string option;
61 JTimeRange E_ns;
62 double WMin;
63 int ID;
64 int debug;
65
66 try {
67
68 JParser<> zap("Program to fit time-residuals histogram in output of JCalibrateMuon.cc.");
69
70 zap['f'] = make_field(inputFile, "input files (output from JCalibrateMuon).");
71 zap['o'] = make_field(outputFile, "output file.") = "hobbit.root";
72 zap['a'] = make_field(detectorFile, "detector file.");
73 zap['A'] = make_field(overwriteDetector, "overwrite detector file provided through '-a' with correct time offsets.");
74 zap['F'] = make_field(function, "fit function") = gauss_t, landau_t, emg_t, breitwigner_t;
75 zap['T'] = make_field(T_ns, "ROOT fit range around maximum [ns].") = JTimeRange(-7.5,+5.0);
76 zap['O'] = make_field(option, "ROOT fit option, see TH1::Fit.") = "";
77 zap['E'] = make_field(E_ns, "validity range of t0 uncertainty [ns].") = JTimeRange( 0.0, 0.5);
78 zap['W'] = make_field(WMin, "minimal histogram contents.") = 100.0;
79 zap['M'] = make_field(ID, "module identifier") = -1;
80 zap['d'] = make_field(debug) = 1;
81
82 zap(argc, argv);
83 }
84 catch(const exception &error) {
85 FATAL(error.what() << endl);
86 }
87
88
89 if (!T_ns.is_valid()) {
90 FATAL("Invalid fit range [ns] " << T_ns << endl);
91 }
92
93 JDetector detector;
94
95 try {
96 load(detectorFile, detector);
97 }
98 catch(const JException& error) {
99 FATAL(error);
100 }
101
102
103 if (option.find('S') == string::npos) { option += 'S'; }
104 if (option.find('Q') == string::npos && debug < JEEP::debug_t) { option += 'Q'; }
105
106 TH2D* h2 = NULL;
107
108 for (vector<string>::const_iterator i = inputFile.begin(); i != inputFile.end(); ++i) {
109
110 NOTICE("Processing " << *i << endl);
111
112 TFile in(i->c_str(), "exist");
113
114 if (!in.IsOpen()) {
115 FATAL("File " << *i << " not opened." << endl);
116 }
117
118 TH2D* p = dynamic_cast<TH2D*>(in.Get(h2_t));
119
120 if (p == NULL) {
121 FATAL("File " << *i << " has no histogram <" << h2_t << ">." << endl);
122 }
123
124 if (h2 == NULL)
125 h2 = (TH2D*) p->Clone();
126 else
127 h2->Add(p);
128
129 h2->SetDirectory(0);
130
131 in.Close();
132 }
133
134 if (h2 == NULL) {
135 FATAL("No histogram <" << h2_t << ">." << endl);
136 }
137
138 // auxiliary data structure for fit result
139
140 struct result_type {
141
142 result_type() :
143 value(0.0),
144 error(0.0)
145 {}
146
147 result_type(double value,
148 double error) :
149 value(value),
150 error(error)
151 {}
152
153 double value;
154 double error;
155 };
156
157 typedef map<int, result_type> map_type; // module index -> fit result
158
159 map_type zmap;
160
161
162 // histogram fit results
163
164 const TAxis* x_axis = h2->GetXaxis();
165 const TAxis* y_axis = h2->GetYaxis();
166
167 TH1D h0("h0", NULL, x_axis->GetNbins(), -0.5, x_axis->GetNbins() - 0.5);
168 TH1D hc("hc", NULL, x_axis->GetNbins(), -0.5, x_axis->GetNbins() - 0.5);
169 TH1D hq("hq", NULL, x_axis->GetNbins(), -0.5, x_axis->GetNbins() - 0.5);
170
171
172 TFile out(outputFile.c_str(), "recreate");
173
174 size_t counts = 0;
175 size_t errors = 0;
176
177 for (Int_t ix = 1; ix <= x_axis->GetNbins(); ++ix) {
178
179 const JModule& module = detector[ix - 1];
180
181 DEBUG("Module " << setw(8) << module.getID() << ' ' << getLabel(module.getLocation()) << endl);
182
183 if (module.getFloor() == 0) {
184 continue;
185 }
186
187 if (ID != -1 && ID != module.getID()) {
188 continue;
189 }
190
191 TH1D h1(MAKE_CSTRING(module.getID() << ".1D"), NULL, y_axis->GetNbins(), y_axis->GetXmin(), y_axis->GetXmax());
192
193 // start values
194
195 Double_t ymax = 0.0;
196 Double_t x0 = 0.0; // [ns]
197 Double_t sigma = 4.0; // [ns]
198 Double_t W = 0.0;
199
200 for (Int_t iy = 1; iy <= y_axis->GetNbins(); ++iy) {
201
202 h1.SetBinContent(iy, h2->GetBinContent(ix,iy));
203 h1.SetBinError (iy, sqrt(h2->GetBinContent(ix,iy)));
204
205 const Double_t x = h1.GetBinCenter (iy);
206 const Double_t y = h1.GetBinContent(iy);
207
208 W += y;
209
210 if (y > ymax) {
211 ymax = y;
212 x0 = x;
213 }
214 }
215
216 if (W <= WMin) {
217
218 WARNING("Not enough entries for slice " << ix << ' ' << W << "; skip fit." << endl);
219
220 continue;
221 }
222
223 ymax *= 0.9;
224
225 const Double_t xmin = x0 + T_ns.getLowerLimit();
226 const Double_t xmax = x0 + T_ns.getUpperLimit();
227
228
229 TF1* f1 = NULL;
230
231 if (function == gauss_t) {
232
233 f1 = new TF1(function.c_str(), "[0]*TMath::Gaus(x,[1],[2])");
234
235 f1->SetParameter(0, 0.8*ymax);
236 f1->SetParameter(1, x0);
237 f1->SetParameter(2, sigma);
238
239 f1->SetParError(0, sqrt(ymax) * 0.1);
240 f1->SetParError(1, 0.01);
241 f1->SetParError(2, 0.01);
242
243 } else if (function == landau_t) {
244
245 f1 = new TF1(function.c_str(), "[0]*TMath::Landau(x,[1],[2])");
246
247 f1->SetParameter(0, 0.8*ymax);
248 f1->SetParameter(1, x0);
249 f1->SetParameter(2, sigma);
250
251 f1->SetParError(0, sqrt(ymax) * 0.1);
252 f1->SetParError(1, 0.01);
253 f1->SetParError(2, 0.01);
254
255 } else if (function == emg_t) {
256
257 f1 = new TF1(function.c_str(), "[0]*TMath::Exp(0.5*[3]*(2.0*[1]+[3]*[2]*[2]-2.0*x))*TMath::Erfc(([1]+[3]*[2]*[2]-x)/(TMath::Sqrt(2.0)*[2]))");
258
259 f1->SetParameter(0, 0.5*ymax);
260 f1->SetParameter(1, x0 - sigma);
261 f1->SetParameter(2, sigma);
262 f1->SetParameter(3, 0.06);
263
264 f1->SetParError(0, sqrt(ymax) * 0.1);
265 f1->SetParError(1, 0.01);
266 f1->SetParError(2, 0.01);
267 f1->SetParError(3, 1.0e-4);
268
269 } else if (function == breitwigner_t) {
270
271 f1 = new TF1(function.c_str(), "(x <= [1])*[0]*[2]*TMath::BreitWigner(x,[1],[2])+(x > [1])*[0]*[3]*TMath::BreitWigner(x,[1],[3])");
272
273 f1->SetParameter(0, 0.8*ymax);
274 f1->SetParameter(1, x0);
275 f1->SetParameter(2, 15.0);
276 f1->SetParameter(3, 25.0);
277
278 f1->SetParError(0, sqrt(ymax) * 0.1);
279 f1->SetParError(1, 0.01);
280 f1->SetParError(2, 0.1);
281 f1->SetParError(3, 0.1);
282
283 } else {
284
285 FATAL("Unknown fit function " << function << endl);
286 }
287
288
289 DEBUG("Start values:" << endl);
290
291 for (int i = 0; i != f1->GetNpar(); ++i) {
292 DEBUG(left << setw(12) << f1->GetParName (i) << ' ' <<
293 SCIENTIFIC(12,5) << f1->GetParameter(i) << endl);
294 }
295
296 // fit
297
298 TFitResultPtr result = h1.Fit(f1, option.c_str(), "same", xmin, xmax);
299
300 if (debug >= notice_t || !result->IsValid()) {
301 cout << "Slice: "
302 << setw(4) << ix << ' '
303 << setw(16) << h1.GetName() << ' '
304 << FIXED(7,3) << f1->GetParameter(1) << " +/- "
305 << FIXED(7,3) << f1->GetParError(1) << ' '
306 << FIXED(7,3) << result->Chi2() << '/'
307 << result->Ndf() << ' '
308 << (result->IsValid() ? "" : "failed") << endl;
309 }
310
311 counts += 1;
312
313 if (!result->IsValid()) {
314 errors += 1;
315 }
316
317 if (result->IsValid()) {
318 zmap[ix] = result_type(f1->GetParameter(1), f1->GetParError (1));
319 }
320
321 if (result->Ndf() > 0) {
322 hc.SetBinContent(ix, result->Chi2() / result->Ndf());
323 }
324
325 hq.SetBinContent(ix, result->IsValid() ? 1.0 : 0.0);
326
327 h1.Write();
328
329 delete f1;
330 }
331
332
333 if (!zmap.empty()) {
334
335 // average time offset
336
337 double t0 = 0.0;
338
339 for (map_type::const_iterator i = zmap.begin(); i != zmap.end(); ++i) {
340 t0 += i->second.value;
341 }
342
343 t0 /= zmap.size();
344
345 NOTICE("Average time offset [ns] " << FIXED(7,2) << t0 << endl);
346 NOTICE("Number of fits passed/failed " << counts << "/" << errors << endl);
347
348 for (map_type::iterator i = zmap.begin(); i != zmap.end(); ++i) {
349 i->second.value -= t0;
350 }
351
352 for (map_type::const_iterator i = zmap.begin(); i != zmap.end(); ++i) {
353 h0.SetBinContent(i->first, i->second.value);
354 h0.SetBinError (i->first, i->second.error);
355 }
356
357
358 const floor_range range = getRangeOfFloors(detector);
359 const JStringRouter string(detector);
360
361 TH2D hi("hi", NULL,
362 string.size(), -0.5, string.size() - 0.5,
363 range.getUpperLimit(), 1 - 0.5, range.getUpperLimit() + 0.5);
364
365 for (Int_t i = 1; i <= hi.GetXaxis()->GetNbins(); ++i) {
366 hi.GetXaxis()->SetBinLabel(i, MAKE_CSTRING(string.at(i-1)));
367 }
368 for (Int_t i = 1; i <= hi.GetYaxis()->GetNbins(); ++i) {
369 hi.GetYaxis()->SetBinLabel(i, MAKE_CSTRING(i));
370 }
371
372 for (map_type::const_iterator i = zmap.begin(); i != zmap.end(); ++i) {
373 hi.SetBinContent(detector[i->first - 1].getString(),
374 detector[i->first - 1].getFloor(),
375 i->second.value);
376 }
377
378 hi.Write();
379
380
381 if (overwriteDetector) {
382
383 NOTICE("Store calibration data on file " << detectorFile << endl);
384
385 detector.comment.add(JMeta(argc, argv));
386
387 for (map_type::const_iterator i = zmap.begin(); i != zmap.end(); ++i) {
388
389 if (E_ns(i->second.error))
390 detector[i->first - 1].sub(i->second.value);
391 else
392 ERROR("Slice " << setw(4) << i->first << " fit uncertainty " << FIXED(5,2) << i->second.error << " outside specified range (option -E <E_ns>)" << endl);
393 }
394
395 store(detectorFile, detector);
396 }
397
398 } else {
399
400 NOTICE("No calibration results." << endl);
401 }
402
403 h0 .Write();
404 hc .Write();
405 hq .Write();
406 h2->Write();
407
408 out.Close();
409}
outputFile
string outputFile
Definition JDAQTimesliceSelector.cc:37
DEBUG
#define DEBUG(A)
Message macros.
Definition JMessage.hh:62
ERROR
#define ERROR(A)
Definition JMessage.hh:66
NOTICE
#define NOTICE(A)
Definition JMessage.hh:64
FATAL
#define FATAL(A)
Definition JMessage.hh:67
debug
int debug
debug level
Definition JSirene.cc:69
WARNING
#define WARNING(A)
Definition JMessage.hh:65
make_field
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition JParser.hh:2142
MAKE_CSTRING
#define MAKE_CSTRING(A)
Make C-string.
Definition JPrint.hh:72
JDETECTOR::JDetector
Detector data structure.
Definition JDetector.hh:96
JDETECTOR::JLocation::getLocation
const JLocation & getLocation() const
Get location.
Definition JLocation.hh:70
JDETECTOR::JLocation::getFloor
int getFloor() const
Get floor number.
Definition JLocation.hh:146
JDETECTOR::JModule
Data structure for a composite optical module.
Definition JModule.hh:75
JLANG::JException
General exception.
Definition JException.hh:24
JLANG::JObjectID::getID
int getID() const
Get identifier.
Definition JObjectID.hh:50
JPARSER::JParser
Utility class to parse command line options.
Definition JParser.hh:1698
JTOOLS::JRange::is_valid
bool is_valid() const
Check validity of range.
Definition JRange.hh:311
JTOOLS::JRange::getLowerLimit
T getLowerLimit() const
Get lower limit.
Definition JRange.hh:202
JTOOLS::JRange::getUpperLimit
T getUpperLimit() const
Get upper limit.
Definition JRange.hh:213
GAUSS_HERMITE::sigma
const double sigma[]
Definition JQuadrature.cc:74
GAUSS_LEGENDRE::f1
const JPolynome f1(1.0, 2.0, 3.0)
Function.
GAUSS_LEGENDRE::xmax
const double xmax
Definition JQuadrature.cc:24
GAUSS_LEGENDRE::xmin
const double xmin
Definition JQuadrature.cc:23
JDETECTOR::getLabel
std::string getLabel(const JLocation &location)
Get module label for monitoring and other applications.
Definition JLocation.hh:247
JDETECTOR::getRangeOfFloors
floor_range getRangeOfFloors(const JDetector &detector)
Get range of floors.
Definition JDetectorToolkit.hh:267
JDETECTOR::load
void load(const std::string &file_name, JDetector &detector)
Load detector from input file.
Definition JDetectorToolkit.hh:505
JDETECTOR::store
void store(const std::string &file_name, const JDetector &detector)
Store detector to output file.
Definition JDetectorToolkit.hh:602
JEEP::debug_t
@ debug_t
debug
Definition JMessage.hh:29
JPP
This name space includes all other name spaces (except KM3NETDAQ, KM3NET and ANTARES).
Definition JAAnetToolkit.hh:43
FIXED
Auxiliary data structure for floating point format specification.
Definition JManip.hh:448
JAANET::detector
Detector file.
Definition JHead.hh:227
JDETECTOR::JStringRouter
Router for mapping of string identifier to index.
Definition JStringRouter.hh:23
JSUPPORT::JMeta
Auxiliary class for ROOT I/O of application specific meta data.
Definition JMeta.hh:72
SCIENTIFIC
Auxiliary data structure for floating point format specification.
Definition JManip.hh:488
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