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
32 // #include <iostream>
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)
77 //____________________________________________________________________
78 AliFMDPattern::AliFMDPatternDetector::~AliFMDPatternDetector()
82 // deletes mother frame
83 if (fFrame) delete fFrame;
86 //____________________________________________________________________
88 AliFMDPattern::AliFMDPatternDetector::DrawShape(TObjArray& a)
98 while ((g = static_cast<TGraph*>(next()))) {
99 g->DrawClone("f same");
100 g->DrawClone("l same");
104 //____________________________________________________________________
106 AliFMDPattern::AliFMDPatternDetector::Begin(Int_t nlevel,
115 // nlevel Number of levels
117 // inners Array of inner shapes
118 // outers Array of outer shapes
121 // To make code-checker shut up
122 TStyle* style = gStyle;
123 if (nlevel < 1) nlevel = style->GetNumberOfColors();
126 // The code-checker thinks this is not using the declaration of
127 // TH2F - what a morron!
128 fFrame = new TH2F(Form("fmd%dFrame", fId), Form("FMD%d", fId),
129 10, -r, r, 10, -r, r);
130 fFrame->SetStats(kFALSE);
134 if (fId != 1) DrawShape(outers);
135 for (Int_t i = 0; i < nlevel; i++) {
136 TGraph* g = new TGraph;
137 Int_t idx = Int_t(Float_t(i) / nlevel * style->GetNumberOfColors());
138 Int_t col = style->GetColorPalette(idx);
139 g->SetName(Form("FMD%d_L%02d", fId, i));
140 g->SetMarkerColor(col);
141 g->SetLineColor(col);
142 g->SetFillColor(col);
143 g->SetMarkerSize(i * .2 + .2);
144 g->SetMarkerStyle(2);
146 fGraphs.AddAtAndExpand(g, i);
148 // TIter next(&fGraphs);
151 //____________________________________________________________________
153 AliFMDPattern::AliFMDPatternDetector::Clear()
155 // Clear this display.
156 // Simply reset counters to zero.
157 // Avoid deleting memory.
161 //____________________________________________________________________
163 AliFMDPattern::AliFMDPatternDetector::End()
165 // Called when displaying the data.
166 // Simply resets number of points at each level to
167 // the seen number of hits at that level.
168 // Avoid deleting memory.
169 TIter next(&fGraphs);
172 while ((g = static_cast<TGraph*>(next()))) g->Set(fCounts[i++]);
174 //____________________________________________________________________
176 AliFMDPattern::AliFMDPatternDetector::AddMarker(Double_t x,
181 // Add a marker at (X,Y,Z). The marker color and size is chosen
182 // relative to the MAX argument.
187 // MAX Maximum value.
189 /** Sigh, for some odd reason, the code-checker does not recognise
190 this a usage of the TMath namespace declaration! Idiot */
191 Int_t i = TMath::Min(Int_t(fCounts.fN * s / max),
192 Int_t(fGraphs.GetEntries()-1));
193 TGraph* g = static_cast<TGraph*>(fGraphs.At(i));
195 g->SetPoint(fCounts[i]++, x, y);
199 //____________________________________________________________________
200 AliFMDPattern::AliFMDPattern(const char* gAliceFile)
201 : AliFMDDisplay(kTRUE, gAliceFile),
213 fEvent(.1, .8, "Event #"),
214 fFMD1Sum(.2, .7, "# in FMD1: "),
215 fFMD2Sum(.2, .6, "# in FMD2: "),
216 fFMD3Sum(.2, .5, "# in FMD3: "),
217 fLine(.15, .47, .85, .47),
218 fTotal(.2, .35, "Total: ")
224 // gAliceFile The galice.root file to use - if any.
227 // RemoveLoad(kGeometry);
228 fEvent.SetBit(TLatex::kTextNDC);
229 fFMD1Sum.SetBit(TLatex::kTextNDC);
230 fFMD2Sum.SetBit(TLatex::kTextNDC);
231 fFMD3Sum.SetBit(TLatex::kTextNDC);
232 fLine.SetBit(TLine::kLineNDC);
233 fTotal.SetBit(TLatex::kTextNDC);
236 //____________________________________________________________________
237 AliFMDPattern::~AliFMDPattern()
240 // Free all allocated shapes.
241 // note, that most members are real objects, so we do not need to
242 // deal with them here.
248 //____________________________________________________________________
250 AliFMDPattern::Init()
252 // Initialize. Get transforms and such,
253 if (!AliFMDInput::Init()) return kFALSE;
254 AliFMDGeometry* geom = AliFMDGeometry::Instance();
255 if (!geom) return kFALSE;
257 geom->InitTransformations();
259 Char_t rs[] = { 'I' , 'O', '\0' };
262 AliFMDRing* ring = geom->GetRing(*r);
264 const TObjArray& vs = ring->GetVerticies();
265 TObjArray& gs = (*r == 'I' ? fInners : fOuters);
266 Float_t& mr = (*r == 'I' ? fInnerMax : fOuterMax);
267 Int_t nm = ring->GetNModules();
268 AliInfo(Form("Making %d modules for %c", nm, *r));
269 for (Int_t m = 0; m < nm; m++) {
270 Int_t nv = vs.GetEntries();
271 Double_t a = TMath::Pi() / 180 * (m * 2 + 1) * ring->GetTheta();
272 TGraph* g = new TGraph(nv+1);
273 Double_t x0 = 0, y0 = 0;
274 gs.AddAtAndExpand(g, m);
275 for (Int_t c = 0; c < nv; c++) {
276 TVector2* v = static_cast<TVector2*>(vs.At(c));
277 mr = TMath::Max(mr, Float_t(v->Mod()));
278 TVector2 w(v->Rotate(a));
279 if (c == 0) { x0 = w.X(); y0 = w.Y(); }
280 g->SetPoint(c, w.X(), w.Y());
282 g->SetName(Form("FMDX%c_%02d", *r, m));
283 g->SetPoint(nv, x0, y0);
284 g->SetFillColor((*rs == 'I' ?
285 (m % 2 == 0 ? 18 : 17) :
286 (m % 2 == 0 ? 20 : 23)));
287 g->SetFillStyle(3001);
297 //____________________________________________________________________
299 AliFMDPattern::Begin(Int_t event)
301 // Called at the begining of an event.
305 // EVENT The event number
309 const char* which[] = { "Continue", "Redisplay", 0 };
312 AliFMDGeometry* geom = AliFMDGeometry::Instance();
313 // AliFMDDetector* det;
314 if ((/* det = */ geom->GetDetector(1))) {
316 fFMD1Pad = new TPad("FMD1", "FMD1", 0.0, 0.50, 0.5, 1.0, 0, 0);
319 fFMD1.Begin(-1, fInnerMax, fInners, fOuters);
321 if ((/* det = */ geom->GetDetector(2))) {
323 fFMD2Pad = new TPad("FMD2", "FMD2", 0.5, 0.50, 1.0, 1.0, 0, 0);
326 fFMD2.Begin(-1, fOuterMax, fInners, fOuters);
328 if ((/* det = */ geom->GetDetector(3))) {
330 fFMD3Pad = new TPad("FMD3", "FMD3", 0.0, 0.0, .5, .5, 0, 0);
333 fFMD3.Begin(-1, fOuterMax, fInners, fOuters);
336 fSummary = new TPad("display", "Display", 0.5, 0.0, 1.0, 0.5, 0, 0);
346 fEvent.SetTitle(Form("Event # %6d", event));
354 return AliFMDInput::Begin(event);
357 //____________________________________________________________________
359 AliFMDPattern::Redisplay()
361 // Redraw the displayu
365 AliFMDDisplay::Redisplay();
368 //____________________________________________________________________
370 AliFMDPattern::AtEnd()
372 // Called at the end of an event.
378 fFMD1Pad->Modified();
379 fFMD1Sum.SetTitle(Form("# hits in FMD1: %5d", fFMD1.Total()));
380 total += fFMD1.Total();
383 fFMD2Pad->Modified();
384 fFMD2Sum.SetTitle(Form("# hits in FMD2: %5d", fFMD2.Total()));
385 total += fFMD2.Total();
388 fFMD3Pad->Modified();
389 fFMD3Sum.SetTitle(Form("# hits in FMD3: %5d", fFMD3.Total()));
390 total += fFMD3.Total();
392 fTotal.SetTitle(Form("Total: %5d/51200 (%3d%%)",
393 total, Int_t(100. / 51200 * total)));
394 fSummary->Modified();
400 //____________________________________________________________________
402 AliFMDPattern::ProcessHit(AliFMDHit* hit, TParticle*)
408 // HIT The hit to process.
410 // The TParticle argument is never used.
411 switch (hit->Detector()) {
412 case 1: fFMD1.AddMarker(hit->X(), hit->Y(), hit->Edep(), 1); break;
413 case 2: fFMD2.AddMarker(hit->X(), hit->Y(), hit->Edep(), 1); break;
414 case 3: fFMD3.AddMarker(hit->X(), hit->Y(), hit->Edep(), 1); break;
420 //____________________________________________________________________
422 AliFMDPattern::AddMarker(UShort_t det, Char_t rng,
423 UShort_t sec, UShort_t str,
424 TObject*, Float_t s, Float_t /*min*/, Float_t max)
426 // Add a marker to the display
432 // o Object to refer to
434 // max Maximum of signal
436 AliFMDPatternDetector* d = 0;
438 case 1: d = &fFMD1; break;
439 case 2: d = &fFMD2; break;
440 case 3: d = &fFMD3; break;
443 AliFMDGeometry* geom = AliFMDGeometry::Instance();
445 geom->Detector2XYZ(det, rng, sec, str, x, y, z);
446 // Make code-checker shut the f**k up
447 TRandom* rand = gRandom;
449 AliFMDRing* r = geom->GetRing(rng);
450 Double_t t = .9 * r->GetTheta() / 2;
451 Double_t a = rand->Uniform(-t,t) * TMath::Pi() / 180;
452 Double_t x1 = x * TMath::Cos(a) - y * TMath::Sin(a);
453 Double_t y1 = x * TMath::Sin(a) + y * TMath::Cos(a);
457 d->AddMarker(x, y, s, max);
460 //____________________________________________________________________