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Commit | Line | Data |
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d389af40 | 1 | // |
2 | // Small script that shows a signal train from a VA1 pre-amp. | |
3 | // | |
4 | void | |
5 | VA1Train() | |
6 | { | |
7 | gStyle->SetOptTitle(0); | |
8 | gStyle->SetOptFit(0); | |
9 | gStyle->SetOptStat(0); | |
10 | ||
11 | TCanvas* c = new TCanvas("c", "C", 800, 400); | |
12 | c->SetFillColor(0); | |
13 | c->SetBorderMode(0); | |
14 | c->SetBorderSize(0); | |
15 | ||
16 | ||
17 | TArrayF measurements(6); | |
18 | std::cout << "Measurements are: " << std::flush; | |
19 | for (Int_t i = 0; i < measurements.fN; i++) { | |
20 | measurements[i] = gRandom->Uniform(0,1); | |
21 | std::cout << measurements[i] << " " << std::flush; | |
22 | } | |
23 | std::cout << std::endl; | |
24 | ||
25 | Float_t last = 0; | |
26 | Float_t B = 5; | |
27 | TH2* frame = new TH2F("frame", "Frame", measurements.fN, 0, | |
28 | measurements.fN, 10, 0, 1.1); | |
29 | frame->Draw(); | |
30 | for (Int_t i = 0; i < measurements.fN; i++) { | |
31 | TF1* f = new TF1("f", "[2] + exp(-[1] * (x - [3])) * ([0] - [2])", | |
32 | i, i + 1); | |
33 | f->SetParameter(3, i); | |
34 | f->SetParameter(1, B); | |
35 | f->SetParameter(2, measurements[i]); | |
36 | f->SetParameter(0, last); | |
37 | ||
38 | if (measurements[i] > last) { | |
39 | // f = new TF1("f", "[0] * (1 - exp(-[1] * (x - [2]))) + [3]", i, i+1); | |
40 | // f->SetParameters(measurements[i] - last, B, i, last); | |
41 | // f->SetParameter(0, measurements[i]); | |
42 | // f->SetParameter(2, last); | |
43 | } | |
44 | else { | |
45 | // f->SetParameter(2, measurements[i]); | |
46 | // f->SetParameter(0, last); | |
47 | // f = new TF1("f", "[0] * (exp(-[1] * (x - [2]))) + [3]", i, i+1); | |
48 | // f->SetParameters(last - measurements[i], B, i, measurements[i]); | |
49 | } | |
50 | f->Draw("same"); | |
51 | last = measurements[i]; | |
52 | } | |
53 | } | |
54 | ||
55 | ||
56 |