Class to emulate L0 background for an arbitrarily sized detector.
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#include <JL0BackgroundSimulator.hh>
Class to emulate L0 background for an arbitrarily sized detector.
Definition at line 57 of file JL0BackgroundSimulator.hh.
◆ JL0BackgroundSimulator()
JSUPERNOVA::JL0BackgroundSimulator::JL0BackgroundSimulator |
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TFile * |
in, |
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bool |
twoDim = false |
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inline |
Default constructor.
The input file contains a sequence of histograms with sampled L0 data; Each histogram is loaded as a vector, which will be considered as an individual L0 dataset.
- Parameters
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in | input file from JRipple |
Definition at line 83 of file JL0BackgroundSimulator.hh.
90 TString rt_tag =
".RT_DET_SUM";
91 TString nc_tag =
".NC_DET_SUM";
92 TString rt2d_tag =
".RT2D_DET";
96 TIter iter(in->GetListOfKeys());
98 for (TKey* key; (key = (TKey*) iter.Next()) != NULL; ) {
100 const TString tag(key->GetName());
103 if (tag.EndsWith(rt_tag)) {
105 TString rt_hist_tag = tag;
106 TString run_tag = TString(tag, tag.Length() - rt_tag.Length());
108 TString nc_hist_tag = run_tag + nc_tag;
110 TH1D* RT = (TH1D*) in->Get(rt_hist_tag);
111 TH1D* NC = (TH1D*) in->Get(nc_hist_tag);
116 int n = nc_buf.size();
123 for (
int i = 0; i <
n; i++) {
126 nc.back().push_back( nc_buf[i] );
127 for (
int j = 100 * i;
j < 100 * (i + 1);
j++) {
128 rt.back().push_back( rt_buf[
j] );
134 TString rt2d_hist_tag = run_tag + rt2d_tag;
135 h2d_t* RT2D = (
h2d_t*) in->Get(rt2d_hist_tag);
138 RT2D->SetDirectory(0);
139 rt2d.push_back(RT2D);
◆ ~JL0BackgroundSimulator()
JSUPERNOVA::JL0BackgroundSimulator::~JL0BackgroundSimulator |
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inline |
◆ configureTimeWindow()
void JSUPERNOVA::JL0BackgroundSimulator::configureTimeWindow |
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const int |
T_ms | ) |
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inline |
◆ setSeed()
void JSUPERNOVA::JL0BackgroundSimulator::setSeed |
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const UInt_t |
uSeed = 0 | ) |
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inline |
◆ configureRatio()
void JSUPERNOVA::JL0BackgroundSimulator::configureRatio |
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const int |
iSize, |
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const int |
oSize |
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) |
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inline |
Set rebinning ratio.
- Parameters
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rebin | void setRebin(const int rb) { rebin = rb; } Configure generation ratio |
inputSize | number of lines of input detector |
outputSize | number of lines of output detector |
Definition at line 189 of file JL0BackgroundSimulator.hh.
◆ generate()
bg_type JSUPERNOVA::JL0BackgroundSimulator::generate |
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inline |
Generate sample of L0 background L0 data are randomly sampled from a single L0 dataset.
- Returns
- 2D vector with hit count and number of active channels as a function of time
Definition at line 204 of file JL0BackgroundSimulator.hh.
208 int k =
rnd->Integer(
rt.size());
212 int start =
rnd->Integer(limit);
214 for (
int i = 0; i <
genRatio; i++) {
◆ generate_poisson()
bg_type JSUPERNOVA::JL0BackgroundSimulator::generate_poisson |
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const int |
domRate_Hz = 500 | ) |
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inline |
Generate pure poissionian background.
Definition at line 233 of file JL0BackgroundSimulator.hh.
237 double mu =
outputSize * 18 * domRate_Hz * 1.0e-3;
239 for (
unsigned i = 0; i < out[0].size(); i++) {
241 double count =
rnd->Poisson(mu);
◆ generate_shuffled()
bg_type JSUPERNOVA::JL0BackgroundSimulator::generate_shuffled |
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bool |
randomizeRun = false | ) |
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inline |
Generate sample of L0 background The sampling of the L0 data is not sequential but random within the L0 dataset.
- Returns
- 2D vector with hit count and number of active channels as a function of time
Definition at line 258 of file JL0BackgroundSimulator.hh.
262 int nRuns =
rt.size();
264 int k =
rnd->Integer(nRuns);
269 int offset =
rnd->Integer(100);
271 for (
int i = 0; i <
genRatio; i++) {
273 int start = 100 *
rnd->Integer(
nc[k].size() - ceil(
TWindow_ms / 100.0)) + offset;
285 k =
rnd->Integer(nRuns);
◆ build_H2D()
h2d_t* JSUPERNOVA::JL0BackgroundSimulator::build_H2D |
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const int |
k, |
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const int |
start |
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) |
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inline |
Generate 2D histogram.
Definition at line 297 of file JL0BackgroundSimulator.hh.
301 int ny = proto->GetNbinsY();
302 int ymin = proto->GetYaxis()->GetXmin();
303 int ymax = proto->GetYaxis()->GetXmax();
307 for (
int i = 0; i <
genRatio; i++) {
313 for (
int ybin = 1; ybin <=
rt2d[k]->GetNbinsY(); ybin++) {
315 double val =
rt2d[k]->GetBinContent(xbin, ybin);
317 double bcx = ((TAxis*)out->GetXaxis())->GetBinCenter(
j + 1);
318 double bcy = ((TAxis*)out->GetYaxis())->GetBinCenter(ybin);
320 out->Fill(bcx, bcy, val);
◆ build_NC()
vector<double> JSUPERNOVA::JL0BackgroundSimulator::build_NC |
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const int |
k, |
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const int |
start |
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◆ rebin()
static vector<double> JSUPERNOVA::JL0BackgroundSimulator::rebin |
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const vector< double > & |
in, |
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const int |
rb |
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inlinestatic |
◆ generate_H2D()
h2d_t* JSUPERNOVA::JL0BackgroundSimulator::generate_H2D |
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int |
rb = 1 | ) |
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inline |
Generate 2D sample.
Definition at line 375 of file JL0BackgroundSimulator.hh.
379 if (
rt2d.size() > 0) {
381 int k =
rnd->Integer(
rt2d.size());
385 int start =
rnd->Integer(limit);
391 if (rb != 1) { out->RebinX(rb); }
◆ fit_H2D()
static bg_type JSUPERNOVA::JL0BackgroundSimulator::fit_H2D |
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h2d_t * |
in | ) |
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inlinestatic |
Fit 2D sample.
Definition at line 401 of file JL0BackgroundSimulator.hh.
403 int n = in->GetNbinsX();
411 for (
int bin = 1; bin <=
n; bin++) {
413 double sg = 0, bg = 0, er = 0;
415 TH1D* h = in->ProjectionY(
"timeBin", bin, bin);
417 if (h->GetEntries() > 0) {
419 TF1 f(
"f",
"[0]*exp(-0.5*(x-[1])*(x-[1])/([2]*[2]))/(TMath::Sqrt(2*TMath::Pi())*[2]) + [3]");
421 f.SetParameter(0, h->GetMaximum());
422 f.SetParameter(1, h->GetMean());
423 f.SetParameter(2, h->GetRMS() * 0.25);
424 f.SetParameter(3, h->GetMinimum());
426 h->Fit(&f,
"Q",
"same");
428 bg = f.GetParameter(3) * h->GetNbinsX();
429 sg = h->GetSumOfWeights() - bg;
430 er = f.GetParError(3) * h->GetNbinsX();
◆ generate_fitted()
bg_type JSUPERNOVA::JL0BackgroundSimulator::generate_fitted |
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int |
rb = 1 | ) |
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inline |
Generate fitted L1 sample.
Definition at line 453 of file JL0BackgroundSimulator.hh.
457 int k =
rnd->Integer(
rt.size());
461 int start =
rnd->Integer(limit);
465 if (rb != 1) { sample->RebinX(rb); }
469 out.push_back(fit[0]);
479 out.push_back(fit[1]);
480 out.push_back(fit[2]);
◆ rt
vector<vector<double> > JSUPERNOVA::JL0BackgroundSimulator::rt |
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private |
◆ nc
vector<vector<double> > JSUPERNOVA::JL0BackgroundSimulator::nc |
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private |
◆ rt2d
vector<h2d_t*> JSUPERNOVA::JL0BackgroundSimulator::rt2d |
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private |
◆ TWindow_ms
int JSUPERNOVA::JL0BackgroundSimulator::TWindow_ms |
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private |
◆ genRatio
int JSUPERNOVA::JL0BackgroundSimulator::genRatio |
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private |
◆ outputSize
int JSUPERNOVA::JL0BackgroundSimulator::outputSize |
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private |
◆ genScale
double JSUPERNOVA::JL0BackgroundSimulator::genScale |
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private |
◆ rnd
TRandom* JSUPERNOVA::JL0BackgroundSimulator::rnd |
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private |
The documentation for this class was generated from the following file: