1 /**************************************************************************
2 * Copyright(c) 2004, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
16 /** @file AliFMDPattern.cxx
17 @author Christian Holm Christensen <cholm@nbi.dk>
18 @date Mon Mar 27 12:39:09 2006
19 @brief FMD 2D Event display
21 //___________________________________________________________________
23 // The classes defined here, are utility classes for reading in data
24 // for the FMD. They are put in a seperate library to not polute the
25 // normal libraries. The classes are intended to be used as base
26 // classes for customized class that do some sort of analysis on the
27 // various types of data produced by the FMD.
29 // Latest changes by Christian Holm Christensen
34 // #include <TApplication.h>
35 // #include <TButton.h>
41 // #include <TSlider.h>
43 // #include <TSystem.h>
47 #include "AliFMDPattern.h" // ALIFMDDISPLAY_H
48 #include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H
49 //#include "AliFMDParameters.h" // ALIFMDPARAMETERS_H
50 #include "AliFMDRing.h"
51 // #include "AliFMDDetector.h"
52 #include "AliFMDHit.h"
53 // #include <AliLog.h>
54 #include "AliFMDDebug.h" // Better debug macros
57 //____________________________________________________________________
58 ClassImp(AliFMDPattern)
60 ; // This is here to keep Emacs for indenting the next line
63 //____________________________________________________________________
64 AliFMDPattern::AliFMDPatternDetector::AliFMDPatternDetector(UShort_t id)
70 fOuters(id == 1 ? 0 : 20)
79 //____________________________________________________________________
80 AliFMDPattern::AliFMDPatternDetector::~AliFMDPatternDetector()
84 // deletes mother frame
85 if (fFrame) delete fFrame;
88 //____________________________________________________________________
90 AliFMDPattern::AliFMDPatternDetector::DrawShape(TObjArray& a)
100 while ((g = static_cast<TGraph*>(next()))) {
101 g->DrawClone("f same");
102 g->DrawClone("l same");
106 //____________________________________________________________________
108 AliFMDPattern::AliFMDPatternDetector::CopyShapes(TObjArray& src,
116 while ((g = static_cast<TGraph*>(next()))) {
117 TGraph* gg = new TGraph(*g);
118 Double_t* x = gg->GetX();
119 Double_t* y = gg->GetY();
120 for (Int_t i = 0; i < gg->GetN(); i++) {
121 Float_t xx = x[i] * TMath::Cos(ang) - y[i] * TMath::Sin(ang);
122 Float_t yy = x[i] * TMath::Sin(ang) + y[i] * TMath::Cos(ang);
123 gg->SetPoint(i, fx * xx, fy * yy);
125 gg->SetFillStyle(g->GetFillStyle());
126 gg->SetFillColor(g->GetFillColor());
127 gg->SetLineStyle(g->GetLineStyle());
128 gg->SetLineColor(g->GetLineColor());
129 gg->SetLineWidth(g->GetLineWidth());
130 gg->SetMarkerStyle(g->GetMarkerStyle());
131 gg->SetMarkerColor(g->GetMarkerColor());
132 gg->SetMarkerSize(g->GetMarkerSize());
133 TString name(g->GetName());
134 name.ReplaceAll("X", Form("%d",fId));
135 gg->SetName(name.Data());
136 TString title(g->GetTitle());
137 title.ReplaceAll("X", Form("%d",fId));
138 gg->SetTitle(title.Data());
144 //____________________________________________________________________
146 AliFMDPattern::AliFMDPatternDetector::Begin(Int_t nlevel,
155 // nlevel Number of levels
157 // inners Array of inner shapes
158 // outers Array of outer shapes
161 // To make code-checker shut up
162 TStyle* style = gStyle;
163 if (nlevel < 1) nlevel = style->GetNumberOfColors();
165 Double_t rr = 1.05 * r;
167 // The code-checker thinks this is not using the declaration of
168 // TH2F - what a morron!
169 fFrame = new TH2F(Form("fmd%dFrame", fId), Form("FMD%d", fId),
170 100, -rr, rr, 100, -rr, rr);
171 fFrame->SetStats(kFALSE);
174 Double_t ang = (fId == 1 ? -TMath::Pi() / 2 : 0);
175 Double_t fx = (fId == 3 ? -1 : 1); // Flip around Y
176 Double_t fy = (fId == 1 ? 1 : 1); // Flip around X
178 CopyShapes(inners, fInners, ang, fx, fy);
181 CopyShapes(outers, fOuters, ang, fx, fy);
185 for (Int_t i = 0; i < nlevel; i++) {
186 TGraph* g = new TGraph;
187 Int_t idx = Int_t(Float_t(i) / nlevel * style->GetNumberOfColors());
188 Int_t col = style->GetColorPalette(idx);
189 g->SetName(Form("FMD%d_L%02d", fId, i));
190 g->SetMarkerColor(col);
191 g->SetLineColor(col);
192 g->SetFillColor(col);
193 g->SetMarkerSize(i * .2 + .2);
194 g->SetMarkerStyle(2);
195 g->SetEditable(kFALSE);
197 fGraphs.AddAtAndExpand(g, i);
199 // TIter next(&fGraphs);
202 //____________________________________________________________________
204 AliFMDPattern::AliFMDPatternDetector::Clear()
206 // Clear this display.
207 // Simply reset counters to zero.
208 // Avoid deleting memory.
212 //____________________________________________________________________
214 AliFMDPattern::AliFMDPatternDetector::End()
216 // Called when displaying the data.
217 // Simply resets number of points at each level to
218 // the seen number of hits at that level.
219 // Avoid deleting memory.
220 TIter next(&fGraphs);
223 while ((g = static_cast<TGraph*>(next()))) {
224 Int_t cnt = fCounts[i++];
227 g->SetMarkerSize(i * .2 + .2);
236 //____________________________________________________________________
238 AliFMDPattern::AliFMDPatternDetector::AddMarker(Double_t x,
243 // Add a marker at (X,Y,Z). The marker color and size is chosen
244 // relative to the MAX argument.
249 // MAX Maximum value.
251 /** Sigh, for some odd reason, the code-checker does not recognise
252 this a usage of the TMath namespace declaration! Idiot */
253 Int_t i = TMath::Min(Int_t(fCounts.fN * s / max),
254 Int_t(fGraphs.GetEntries()-1));
255 if (i < 0 || i >= fCounts.fN) {
256 std::cerr << "Graph index " << i << " out of bounds [0,"
257 << fCounts.fN << ") - "
258 << fCounts.fN << " * " << s << " / " << max << std::endl;
261 TGraph* g = static_cast<TGraph*>(fGraphs.At(i));
263 g->SetPoint(fCounts[i]++, x, y);
267 //____________________________________________________________________
268 AliFMDPattern::AliFMDPattern(const char* gAliceFile)
269 : AliFMDDisplay(kTRUE, gAliceFile),
281 fEvent(.1, .8, "Event #"),
282 fFMD1Sum(.2, .7, "# in FMD1: "),
283 fFMD2Sum(.2, .6, "# in FMD2: "),
284 fFMD3Sum(.2, .5, "# in FMD3: "),
285 fLine(.15, .47, .85, .47),
286 fTotal(.2, .35, "Total: "),
295 // gAliceFile The galice.root file to use - if any.
298 SetName("AliFMDPattern");
299 SetName("2D display of FMD data");
301 // RemoveLoad(kGeometry);
302 fEvent.SetBit(TLatex::kTextNDC);
303 fFMD1Sum.SetBit(TLatex::kTextNDC);
304 fFMD2Sum.SetBit(TLatex::kTextNDC);
305 fFMD3Sum.SetBit(TLatex::kTextNDC);
306 fLine.SetBit(TLine::kLineNDC);
307 fTotal.SetBit(TLatex::kTextNDC);
310 //____________________________________________________________________
311 AliFMDPattern::~AliFMDPattern()
314 // Free all allocated shapes.
315 // note, that most members are real objects, so we do not need to
316 // deal with them here.
322 //____________________________________________________________________
324 AliFMDPattern::Init()
326 // Initialize. Get transforms and such,
327 if (!AliFMDInput::Init()) return kFALSE;
328 AliFMDGeometry* geom = AliFMDGeometry::Instance();
329 if (!geom) return kFALSE;
331 geom->InitTransformations();
337 Double_t innerArea = 0;
338 Double_t outerArea = 0;
340 Char_t rs[] = { 'I' , 'O', '\0' };
343 AliFMDRing* ring = geom->GetRing(*r);
346 Double_t rl = ring->GetMinR();
347 Double_t rh = ring->GetMaxR();
348 Double_t area = rh * rh * TMath::Pi() - rl * rl * TMath::Pi();
349 if (*r == 'I') innerArea = area;
350 else outerArea = area;
353 const TObjArray& vs = ring->GetVerticies();
354 TObjArray& gs = (*r == 'I' ? fInners : fOuters);
355 Float_t& mr = (*r == 'I' ? fInnerMax : fOuterMax);
356 Int_t nm = ring->GetNModules();
357 AliFMDDebug(1, ("Making %d modules for %c", nm, *r));
358 for (Int_t m = 0; m < nm; m++) {
359 Int_t nv = 6; // vs.GetEntries();
360 Double_t a = TMath::Pi() / 180 * (m * 2 + 1) * ring->GetTheta();
361 TGraph* g = new TGraph(nv+1);
362 Double_t x0 = 0, y0 = 0;
363 gs.AddAtAndExpand(g, m);
364 for (Int_t c = 1; c < 4; c++) {
365 TVector2* v = static_cast<TVector2*>(vs.At(c));
366 mr = TMath::Max(mr, Float_t(v->Mod()));
367 TVector2 w(v->Rotate(a));
368 if (c == 1) { x0 = w.X(); y0 = w.Y(); }
369 g->SetPoint(c-1, w.X(), w.Y());
371 for (Int_t c = 3; c > 0; c--) {
372 TVector2* v = static_cast<TVector2*>(vs.At(c));
373 TVector2 u(-v->X(), v->Y());
374 mr = TMath::Max(mr, Float_t(u.Mod()));
375 TVector2 w(u.Rotate(a));
376 g->SetPoint(3+(3-c), w.X(), w.Y());
378 g->SetName(Form("FMDX%c_%02d%02d", *r, 2*m,2*m+1));
379 g->SetTitle(Form("FMDX%c, sectors %d and %d", *r, 2*m,2*m+1));
380 g->SetPoint(nv, x0, y0);
381 g->SetFillColor((*rs == 'I' ?
382 (m % 2 == 0 ? 18 : 17) :
383 (m % 2 == 0 ? 20 : 23)));
384 g->SetFillStyle(3001);
391 fFMD1Area = innerArea;
392 fFMD2Area = innerArea + outerArea;
393 fFMD3Area = innerArea + outerArea;
398 //____________________________________________________________________
400 AliFMDPattern::Begin(Int_t event)
402 // Called at the begining of an event.
406 // EVENT The event number
410 const char* which[] = { "Continue", "Start", "Pause", "Redisplay", 0 };
413 AliFMDGeometry* geom = AliFMDGeometry::Instance();
414 // AliFMDDetector* det;
415 if ((/* det = */ geom->GetDetector(1))) {
417 fFMD1Pad = new TPad("FMD1", "FMD1", 0.0, 0.50, 0.5, 1.0, 0, 0);
420 fFMD1.Begin(-1, fInnerMax, fInners, fOuters);
422 if ((/* det = */ geom->GetDetector(2))) {
424 fFMD2Pad = new TPad("FMD2", "FMD2", 0.5, 0.50, 1.0, 1.0, 0, 0);
427 fFMD2.Begin(-1, fOuterMax, fInners, fOuters);
429 if ((/* det = */ geom->GetDetector(3))) {
431 fFMD3Pad = new TPad("FMD3", "FMD3", 0.0, 0.0, .5, .5, 0, 0);
434 fFMD3.Begin(-1, fOuterMax, fInners, fOuters);
437 fSummary = new TPad("display", "Display", 0.5, 0.0, 1.0, 0.5, 0, 0);
447 fEvent.SetTitle(Form("Event # %6d", event));
455 return AliFMDInput::Begin(event);
458 //____________________________________________________________________
460 AliFMDPattern::Redisplay()
462 // Redraw the displayu
466 AliFMDDisplay::Redisplay();
469 //____________________________________________________________________
471 AliFMDPattern::AtEnd()
473 // Called at the end of an event.
479 fFMD1Pad->Modified();
480 fFMD1Sum.SetTitle(Form("# hits in FMD1: %5d (%4.2f /cm^{2})",
481 fFMD1.Total(), fFMD1.Total()/fFMD1Area));
482 total += fFMD1.Total();
485 fFMD2Pad->Modified();
486 fFMD2Sum.SetTitle(Form("# hits in FMD2: %5d (%4.2f /cm^{2})",
487 fFMD2.Total(), fFMD2.Total()/fFMD2Area));
488 total += fFMD2.Total();
491 fFMD3Pad->Modified();
492 fFMD3Sum.SetTitle(Form("# hits in FMD3: %5d (%4.2f /cm^{2})",
493 fFMD3.Total(), fFMD3.Total()/fFMD3Area));
494 total += fFMD3.Total();
496 fTotal.SetTitle(Form("Total: %5d/51200 (%3d%%)",
497 total, Int_t(100. / 51200 * total)));
498 fSummary->Modified();
504 //____________________________________________________________________
506 AliFMDPattern::ProcessHit(AliFMDHit* hit, TParticle*)
512 // HIT The hit to process.
514 // The TParticle argument is never used.
515 static const Float_t rMin = fgkEdepRange.fLow;
516 static const Float_t rMax = fgkEdepRange.fHigh;
518 if (!hit) { AliError("No hit"); return kFALSE; }
519 // if (!p) { AliError("No track"); return kFALSE; }
520 Float_t edep = hit->Edep();
522 if (fHits) fHits->Add(hit);
523 if (fSpec) fSpec->Fill(edep);
524 if (InsideCut(edep, rMin, rMax) && fSpecCut) fSpecCut->Fill(edep);
526 switch (hit->Detector()) {
527 case 1: fFMD1.AddMarker(hit->X(), hit->Y(), hit->Edep(), rMax); break;
528 case 2: fFMD2.AddMarker(hit->X(), hit->Y(), hit->Edep(), rMax); break;
529 case 3: fFMD3.AddMarker(hit->X(), hit->Y(), hit->Edep(), rMax); break;
535 //____________________________________________________________________
537 AliFMDPattern::AddMarker(UShort_t det, Char_t rng,
538 UShort_t sec, UShort_t str,
539 TObject*, Float_t s, Float_t /*min*/, Float_t max)
541 // Add a marker to the display
547 // o Object to refer to
549 // max Maximum of signal
551 AliFMDPatternDetector* d = 0;
553 case 1: d = &fFMD1; break;
554 case 2: d = &fFMD2; break;
555 case 3: d = &fFMD3; break;
558 AliFMDGeometry* geom = AliFMDGeometry::Instance();
560 geom->Detector2XYZ(det, rng, sec, str, x, y, z);
561 // Make code-checker shut the f**k up
562 TRandom* rand = gRandom;
564 AliFMDRing* r = geom->GetRing(rng);
565 Double_t t = .9 * r->GetTheta() / 2;
566 Double_t a = rand->Uniform(-t,t) * TMath::Pi() / 180;
567 Double_t x1 = x * TMath::Cos(a) - y * TMath::Sin(a);
568 Double_t y1 = x * TMath::Sin(a) + y * TMath::Cos(a);
572 d->AddMarker(x, y, s, max);
575 //____________________________________________________________________