[u/mrichter/AliRoot.git] / FMD / AliFMDFancy.cxx

/**************************************************************************
 * Copyright(c) 2004, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/
/* $Id$ */
/** @file    AliFMDFancy.cxx
    @author  Christian Holm Christensen <cholm@nbi.dk>
    @date    Mon Mar 27 12:39:09 2006
    @brief   FMD 2D Event display 
*/
//___________________________________________________________________
//
// The classes defined here, are utility classes for reading in data
// for the FMD.  They are  put in a seperate library to not polute the
// normal libraries.  The classes are intended to be used as base
// classes for customized class that do some sort of analysis on the
// various types of data produced by the FMD. 
//
// Latest changes by Christian Holm Christensen
//

#include <iomanip>
#include <iostream>

#include <TApplication.h>
// #include <TButton.h>
#include <TCanvas.h>
#include <TH2F.h>
// #include <TH3F.h>
#include <TLatex.h>
#include <TLine.h>
#include <TMath.h>
#include <TRandom.h>
// #include <TStyle.h>
#include <TSystem.h>
#include <TVector2.h>
// #include <TView.h>

#include "AliFMDDetector.h"
#include "AliFMDFancy.h"	// ALIFMDDISPLAY_H
#include "AliFMDGeometry.h"	// ALIFMDGEOMETRY_H
#include "AliFMDHit.h"
// #include "AliFMDParameters.h"	// ALIFMDPARAMETERS_H
#include "AliFMDRing.h"

//____________________________________________________________________
ClassImp(AliFMDFancy)
#if 0
  ; // This is here to keep Emacs for indenting the next line
#endif

//____________________________________________________________________
AliFMDFancy::AliFMDFancy(const char* gAliceFile)
  : AliFMDDisplay(kTRUE, gAliceFile),
    fFMD1Pad(0),
    fFMD1(1),
    fFMD2Pad(0),
    fFMD2(2),
    fFMD3Pad(0),
    fFMD3(3),
    fSummary(0),
    fEvent(.1, .8, "Event #"),
    fFMD1IHits(.2, .7, "# in FMD1I: "),
    fFMD2IHits(.2, .6, "# in FMD2I: "),
    fFMD2OHits(.2, .5, "# in FMD2O: "),
    fFMD3IHits(.2, .4, "# in FMD3I: "),
    fFMD3OHits(.2, .3, "# in FMD3O: "),
    fLine(.15, .27, .85, .27),
    fTotal(.2, .15, "Total:   ")
{
  // CTOR 
  fEvent.SetBit(TLatex::kTextNDC);
  fFMD1IHits.SetBit(TLatex::kTextNDC);
  fFMD2IHits.SetBit(TLatex::kTextNDC);
  fFMD2OHits.SetBit(TLatex::kTextNDC);
  fFMD3IHits.SetBit(TLatex::kTextNDC);
  fFMD3OHits.SetBit(TLatex::kTextNDC);
  fLine.SetBit(TLine::kLineNDC);
  fTotal.SetBit(TLatex::kTextNDC);
}

//____________________________________________________________________
AliFMDFancy::AliFancyDetector::AliFancyDetector(UShort_t id)
  : fFrame(0),
    fId(id), 
    fShapes(0),
    fNInnerHits(0), 
    fInnerHits(0),
    fNOuterHits(0), 
    fOuterHits(0),
    fMaxR(0), 
    fMinZ(0), 
    fMaxZ(0)
{
  // CTOR 
  fInnerHits.SetName(Form("FMD%dI", id));
  fInnerHits.SetMarkerStyle(1); // 20);
  fInnerHits.SetMarkerSize(.2);
  fInnerHits.SetMarkerColor(50); // 12);
  fOuterHits.SetName(Form("FMD%dO", id));
  fOuterHits.SetMarkerStyle(1); // 20);
  fOuterHits.SetMarkerSize(.2);
  fOuterHits.SetMarkerColor(50); // 12);
}

//____________________________________________________________________
AliFMDFancy::AliFancyDetector::~AliFancyDetector()
{
  // DTOR 
  fShapes.Delete();
  if (fFrame) delete fFrame;
}

//____________________________________________________________________
AliFMDFancy::~AliFMDFancy()
{
  // DTOR 
}

//____________________________________________________________________
void
AliFMDFancy::AliFancyDetector::AddHistogram(TGraph2D& g, const char* opt)
{
  // CTOR 
  TH2* h = g.GetHistogram(opt);
  if (!h) return;
  // Code checker doesn't think this using the TH2 interface -
  // ridiculous. 
  h->SetBins(1, -fMaxR, fMaxR, 1, -fMaxR, fMaxR);
  h->GetZaxis()->SetRangeUser(fMinZ, fMaxZ);
}

  

//____________________________________________________________________
void
AliFMDFancy::AliFancyDetector::Init()
{
  // Initialise 
  AliFMDGeometry* geom = AliFMDGeometry::Instance();
  AliFMDDetector* det  = geom->GetDetector(fId);
  if (!det) return;
  Char_t   rs[]   = { 'I' , 'O', '\0' };
  Char_t*  rp     = rs;
  Char_t   r;
  Double_t maxR = 0;
  Double_t minZ = 10000;
  Double_t maxZ = -10000;
  Int_t    ns   = 0;
  while ((r = *(rp++))) {
    AliFMDRing* ring = det->GetRing(r);
    if (!ring) continue;
    // if (r == 'O') continue;
    const TObjArray& vs = ring->GetVerticies();
    Int_t            nm = ring->GetNModules();
    Double_t         zd = (r == 'I' ? det->GetInnerZ() : det->GetOuterZ());
    for (Int_t m = 0; m < nm; m++) {
      Int_t          nv = vs.GetEntries();
      Double_t       a  = TMath::Pi() / 180 * (m * 2 + 1) * ring->GetTheta();
      TGraph2D*      g  = new TGraph2D(nv);
      Double_t       x0 = 0, y0 = 0, z0 = 0;
      Double_t       z  = zd + (m % 2==0 ? 0 : 
				TMath::Sign(ring->GetModuleSpacing(), zd));
      minZ              = TMath::Min(minZ, z);
      maxZ              = TMath::Max(maxZ, z);
      g->SetName(Form("FMD%d%cM%02d", fId, r, m));
      fShapes.AddAtAndExpand(g, ns++);
      for (Int_t c = 0; c < nv; c++) {
	TVector2* v = static_cast<TVector2*>(vs.At(nv - 1 - c));
	TVector2  w(v->Rotate(a));
	if (c == 0) { x0 = w.X(); y0 = w.Y(); z0 = z; }
	g->SetPoint(c, w.X(), w.Y(), z);
	maxR        = TMath::Max(maxR, v->Mod());
      }
      //g->SetPoint(nv, x0, y0, z0);
      g->SetFillColor(2);
      g->SetFillStyle(3002);
      g->SetLineColor(2);
      g->SetLineWidth(1);
    }
  }
  fMaxR = 1.05 * maxR;
  fMinZ = (minZ  > 0 ? 0.95 * minZ : 1.05 * minZ);
  fMaxZ = (maxZ  > 0 ? 1.05 * maxZ : 0.95 * maxZ);

  TIter next(&fShapes);
  TGraph2D* g = 0;
  while ((g = static_cast<TGraph2D*>(next()))) AddHistogram(*g);
  if (det->GetInner()) AddHistogram(fInnerHits);
  if (det->GetOuter()) AddHistogram(fOuterHits);

  fFrame = new TH2F(Form("FMD%d", fId), Form("FMD%d", fId), 
		    1, -fMaxR, fMaxR, 1, -fMaxR, fMaxR);
  fFrame->SetStats(kFALSE);
  fFrame->GetXaxis()->SetTitle("x [cm]");
  fFrame->GetYaxis()->SetTitle("y [cm]");
  fFrame->GetZaxis()->SetTitle("z [cm]");
  fFrame->SetDirectory(0);
}

  
//____________________________________________________________________
Bool_t 
AliFMDFancy::Init()
{
  // Initialize.  GEt transforms and such, 
  if (!AliFMDInput::Init()) return kFALSE;
  AliFMDGeometry* geom = AliFMDGeometry::Instance();
  geom->Init();
  geom->InitTransformations();
  
  fFMD1.Init();
  fFMD2.Init();
  fFMD3.Init();
  return kTRUE;
}

//____________________________________________________________________
void
AliFMDFancy::AliFancyDetector::Begin(Int_t /* event */)
{
  // Called at the begining of an event. 
  TIter next(&fShapes);
  TGraph2D* g = 0;
  fFrame->Draw("surf fb");
  fFrame->GetZaxis()->SetRangeUser(fMinZ, fMaxZ);
  while ((g = static_cast<TGraph2D*>(next()))) g->Draw("tri2 FB same");
}

//____________________________________________________________________
void
AliFMDFancy::AliFancyDetector::Clear(Int_t /* event */)
{
  // Clear 
  fNInnerHits = 0;
  fNOuterHits = 0;
}

  
//____________________________________________________________________
Bool_t 
AliFMDFancy::Begin(Int_t event) 
{
  // Called at the begining of an event 
  if (!fCanvas) {
    const char* which[] = { "Continue", "Redisplay", 0 };
    MakeCanvas(which);

    AliFMDGeometry* geom = AliFMDGeometry::Instance();
    // AliFMDDetector* det;
    if ((/*det =*/ geom->GetDetector(1))) {
      fPad->cd();
      fFMD1Pad = new TPad("FMD1", "FMD1", 0.0, 0.50, 0.5, 1.0, 0, 0);
      fFMD1Pad->Draw();
      fFMD1Pad->cd();
      fFMD1.Begin(event);
    }
    if ((/*det =*/ geom->GetDetector(2))) {
      fPad->cd();
      fFMD2Pad = new TPad("FMD2", "FMD2", 0.5, 0.50, 1.0, 1.0, 0, 0);
      fFMD2Pad->Draw();
      fFMD2Pad->cd();
      fFMD2.Begin(event);
    }
    if ((/*det =*/ geom->GetDetector(3))) {
      fPad->cd();
      fFMD3Pad = new TPad("FMD3", "FMD3", 0.0, 0.05, .5, .5, 0, 0);
      fFMD3Pad->Draw();
      fFMD3Pad->cd();
      fFMD3.Begin(event);
    }
    fPad->cd();
    fSummary = new TPad("display", "Display", 0.5, 0.05, 1.0, 0.5, 0, 0);
    fSummary->Draw();
    fSummary->cd();
    fEvent.Draw();
    fFMD1IHits.Draw();
    fFMD2IHits.Draw();
    fFMD2OHits.Draw();
    fFMD3IHits.Draw();
    fFMD3OHits.Draw();
    fLine.Draw();
    fTotal.Draw();
  }
  fEvent.SetTitle(Form("Event # %6d", event));
  // fEvent.Modify();
  fCanvas->Modified();
  fCanvas->Update();
  fCanvas->cd();
  fFMD1.Clear(event);
  fFMD2.Clear(event);
  fFMD3.Clear(event);
  return AliFMDInput::Begin(event);
}

//____________________________________________________________________
void
AliFMDFancy::AliFancyDetector::End()
{
  // Called at the end of an event 
  Char_t  rs[] = { 'I', 'O', '\0' };
  Char_t* rp   = rs;
  Char_t  r;
  while ((r = *(rp++))) {
    TGraph2D& g = (r == 'I' ? fInnerHits : fOuterHits);
    Int_t&    n = (r == 'I' ? fNInnerHits : fNOuterHits);
    Int_t     m = (r == 'I' ? 512 * 10 * 2 : 256 * 20 * 2);
    if (n == 0) continue;
    for (Int_t i = n; i < g.GetN(); i++)  g.RemovePoint(i);
    // The code checker thinks this is not using declarations from
    // iostram and iomanip - that's just silly. 
    std::cout << g.GetName() << " has " << std::setw(4) << n << "/" 
	      << std::setw(5) << m << " points" << std::endl;
    g.Draw("same fb p");
    AddHistogram(g, "empty");
  }
}

//____________________________________________________________________
Bool_t 
AliFMDFancy::End() 
{
  // Called at the end of an event 
  AliFMDGeometry* geom = AliFMDGeometry::Instance();
  // AliFMDDetector* det;
  Int_t total = 0;
  if ((/*det =*/ geom->GetDetector(1))) {
    fFMD1Pad->cd();
    fFMD1.End();
    fFMD1Pad->Modified();
    fFMD1IHits.SetTitle(Form("# hits in FMD1I:  %5d", fFMD1.fNInnerHits));
    total += fFMD1.fNInnerHits;
  }
  if ((/*det =*/ geom->GetDetector(2))) {
    fFMD2Pad->cd();
    fFMD2.End();
    fFMD2Pad->Modified();
    fFMD2IHits.SetTitle(Form("# hits in FMD2I:  %5d", fFMD2.fNInnerHits));
    fFMD2OHits.SetTitle(Form("# hits in FMD2O: %5d", fFMD2.fNOuterHits));
    total += fFMD2.fNInnerHits;
    total += fFMD2.fNOuterHits;    
  }
  if ((/*det =*/ geom->GetDetector(3))) {
    fFMD3Pad->cd();
    fFMD3.End();
    fFMD3Pad->Modified();
    fFMD3IHits.SetTitle(Form("# hits in FMD3I:  %5d", fFMD3.fNInnerHits));
    fFMD3OHits.SetTitle(Form("# hits in FMD3O: %5d", fFMD3.fNOuterHits));
    total += fFMD3.fNInnerHits;
    total += fFMD3.fNOuterHits;    
  }
  fTotal.SetTitle(Form("Total:    %5d/51200 (%3d%%)", 
		      total, Int_t(100. / 51200 * total)));
  fSummary->Modified();
  fCanvas->Modified();
  fCanvas->Update();
  fCanvas->cd();
  fWait = kTRUE;
  while (fWait) {
    // Hmm - code checker doesn't believe this is using the
    // TApplication or TSystem declaration - morron.  Thank God for
    // optimising compilers. 
    TApplication* a = gApplication;
    TSystem*      s = gSystem;
    a->StartIdleing();
    s->InnerLoop();
    a->StopIdleing();
  }
  return AliFMDInput::End();
}

//____________________________________________________________________
Bool_t 
AliFMDFancy::ProcessHit(AliFMDHit* hit, TParticle*) 
{
  // Process a hit. 
  AddMarker(hit->Detector(), hit->Ring(), hit->Sector(), hit->Strip(), 
	    hit, hit->Edep(), 0, 20);
  return kTRUE;
}
//____________________________________________________________________
void
AliFMDFancy::AliFancyDetector::AddMarker(Char_t rng, UShort_t sec,
					 UShort_t str, Float_t, Float_t)
{
  // Add a marker to the display 
  AliFMDGeometry*   geom = AliFMDGeometry::Instance();
  Double_t x, y, z;
  geom->Detector2XYZ(fId, rng, sec, str, x, y, z);
  // Trick the code-checker to think that we're using the TRandom
  // interface.  The silly code checker also thinks that TMath is a
  // class and not a namespace - sigh!
  TRandom* rand = gRandom;
  if (true) {
    AliFMDRing* r  = geom->GetRing(rng);
    Double_t    t  = .9 * r->GetTheta() / 2;
    Double_t    a  = rand->Uniform(-t,t) * TMath::Pi() / 180;
    Double_t    x1 = x * TMath::Cos(a) - y * TMath::Sin(a);
    Double_t    y1 = x * TMath::Sin(a) + y * TMath::Cos(a);
    x = x1;
    y = y1;
  }
  switch (rng) {
  case 'I':
  case 'i': fInnerHits.SetPoint(fNInnerHits++, x, y, z); break;
  case 'O': 
  case 'o': fOuterHits.SetPoint(fNOuterHits++, x, y, z); break;
  default:  return;
  }
}

    

//____________________________________________________________________
void
AliFMDFancy::AddMarker(UShort_t det, Char_t rng, UShort_t sec, UShort_t str,
		       TObject*, Float_t, Float_t, Float_t)
{
  // Add a marker to the display
  //
  //    det 	Detector
  //    rng 	Ring
  //    sec 	Sector 
  //    str 	Strip
  //    o   	Object to refer to
  //    s   	Signal 
  //    max 	Maximum of signal 
  //
  switch (det) {
  case 1: fFMD1.AddMarker(rng,sec,str,0,0); break;
  case 2: fFMD2.AddMarker(rng,sec,str,0,0); break;
  case 3: fFMD3.AddMarker(rng,sec,str,0,0); break;
  }
}

//____________________________________________________________________
//
// EOF
//
Commit	Line	Data
	1	/**************************************************************************
	2	* Copyright(c) 2004, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	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	**************************************************************************/
	15	/* $Id$ */
	16	/** @file AliFMDFancy.cxx
	17	@author Christian Holm Christensen <cholm@nbi.dk>
	18	@date Mon Mar 27 12:39:09 2006
	19	@brief FMD 2D Event display
	20	*/
	21	//___________________________________________________________________
	22	//
	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.
	28	//
	29	// Latest changes by Christian Holm Christensen
	30	//
	31
	32	#include <iomanip>
	33	#include <iostream>
	34
	35	#include <TApplication.h>
	36	// #include <TButton.h>
	37	#include <TCanvas.h>
	38	#include <TH2F.h>
	39	// #include <TH3F.h>
	40	#include <TLatex.h>
	41	#include <TLine.h>
	42	#include <TMath.h>
	43	#include <TRandom.h>
	44	// #include <TStyle.h>
	45	#include <TSystem.h>
	46	#include <TVector2.h>
	47	// #include <TView.h>
	48
	49	#include "AliFMDDetector.h"
	50	#include "AliFMDFancy.h" // ALIFMDDISPLAY_H
	51	#include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H
	52	#include "AliFMDHit.h"
	53	// #include "AliFMDParameters.h" // ALIFMDPARAMETERS_H
	54	#include "AliFMDRing.h"
	55
	56	//____________________________________________________________________
	57	ClassImp(AliFMDFancy)
	58	#if 0
	59	; // This is here to keep Emacs for indenting the next line
	60	#endif
	61
	62	//____________________________________________________________________
	63	AliFMDFancy::AliFMDFancy(const char* gAliceFile)
	64	: AliFMDDisplay(kTRUE, gAliceFile),
	65	fFMD1Pad(0),
	66	fFMD1(1),
	67	fFMD2Pad(0),
	68	fFMD2(2),
	69	fFMD3Pad(0),
	70	fFMD3(3),
	71	fSummary(0),
	72	fEvent(.1, .8, "Event #"),
	73	fFMD1IHits(.2, .7, "# in FMD1I: "),
	74	fFMD2IHits(.2, .6, "# in FMD2I: "),
	75	fFMD2OHits(.2, .5, "# in FMD2O: "),
	76	fFMD3IHits(.2, .4, "# in FMD3I: "),
	77	fFMD3OHits(.2, .3, "# in FMD3O: "),
	78	fLine(.15, .27, .85, .27),
	79	fTotal(.2, .15, "Total: ")
	80	{
	81	// CTOR
	82	fEvent.SetBit(TLatex::kTextNDC);
	83	fFMD1IHits.SetBit(TLatex::kTextNDC);
	84	fFMD2IHits.SetBit(TLatex::kTextNDC);
	85	fFMD2OHits.SetBit(TLatex::kTextNDC);
	86	fFMD3IHits.SetBit(TLatex::kTextNDC);
	87	fFMD3OHits.SetBit(TLatex::kTextNDC);
	88	fLine.SetBit(TLine::kLineNDC);
	89	fTotal.SetBit(TLatex::kTextNDC);
	90	}
	91
	92	//____________________________________________________________________
	93	AliFMDFancy::AliFancyDetector::AliFancyDetector(UShort_t id)
	94	: fFrame(0),
	95	fId(id),
	96	fShapes(0),
	97	fNInnerHits(0),
	98	fInnerHits(0),
	99	fNOuterHits(0),
	100	fOuterHits(0),
	101	fMaxR(0),
	102	fMinZ(0),
	103	fMaxZ(0)
	104	{
	105	// CTOR
	106	fInnerHits.SetName(Form("FMD%dI", id));
	107	fInnerHits.SetMarkerStyle(1); // 20);
	108	fInnerHits.SetMarkerSize(.2);
	109	fInnerHits.SetMarkerColor(50); // 12);
	110	fOuterHits.SetName(Form("FMD%dO", id));
	111	fOuterHits.SetMarkerStyle(1); // 20);
	112	fOuterHits.SetMarkerSize(.2);
	113	fOuterHits.SetMarkerColor(50); // 12);
	114	}
	115
	116	//____________________________________________________________________
	117	AliFMDFancy::AliFancyDetector::~AliFancyDetector()
	118	{
	119	// DTOR
	120	fShapes.Delete();
	121	if (fFrame) delete fFrame;
	122	}
	123
	124	//____________________________________________________________________
	125	AliFMDFancy::~AliFMDFancy()
	126	{
	127	// DTOR
	128	}
	129
	130	//____________________________________________________________________
	131	void
	132	AliFMDFancy::AliFancyDetector::AddHistogram(TGraph2D& g, const char* opt)
	133	{
	134	// CTOR
	135	TH2* h = g.GetHistogram(opt);
	136	if (!h) return;
	137	// Code checker doesn't think this using the TH2 interface -
	138	// ridiculous.
	139	h->SetBins(1, -fMaxR, fMaxR, 1, -fMaxR, fMaxR);
	140	h->GetZaxis()->SetRangeUser(fMinZ, fMaxZ);
	141	}
	142
	143
	144
	145	//____________________________________________________________________
	146	void
	147	AliFMDFancy::AliFancyDetector::Init()
	148	{
	149	// Initialise
	150	AliFMDGeometry* geom = AliFMDGeometry::Instance();
	151	AliFMDDetector* det = geom->GetDetector(fId);
	152	if (!det) return;
	153	Char_t rs[] = { 'I' , 'O', '\0' };
	154	Char_t* rp = rs;
	155	Char_t r;
	156	Double_t maxR = 0;
	157	Double_t minZ = 10000;
	158	Double_t maxZ = -10000;
	159	Int_t ns = 0;
	160	while ((r = *(rp++))) {
	161	AliFMDRing* ring = det->GetRing(r);
	162	if (!ring) continue;
	163	// if (r == 'O') continue;
	164	const TObjArray& vs = ring->GetVerticies();
	165	Int_t nm = ring->GetNModules();
	166	Double_t zd = (r == 'I' ? det->GetInnerZ() : det->GetOuterZ());
	167	for (Int_t m = 0; m < nm; m++) {
	168	Int_t nv = vs.GetEntries();
	169	Double_t a = TMath::Pi() / 180 * (m * 2 + 1) * ring->GetTheta();
	170	TGraph2D* g = new TGraph2D(nv);
	171	Double_t x0 = 0, y0 = 0, z0 = 0;
	172	Double_t z = zd + (m % 2==0 ? 0 :
	173	TMath::Sign(ring->GetModuleSpacing(), zd));
	174	minZ = TMath::Min(minZ, z);
	175	maxZ = TMath::Max(maxZ, z);
	176	g->SetName(Form("FMD%d%cM%02d", fId, r, m));
	177	fShapes.AddAtAndExpand(g, ns++);
	178	for (Int_t c = 0; c < nv; c++) {
	179	TVector2* v = static_cast<TVector2*>(vs.At(nv - 1 - c));
	180	TVector2 w(v->Rotate(a));
	181	if (c == 0) { x0 = w.X(); y0 = w.Y(); z0 = z; }
	182	g->SetPoint(c, w.X(), w.Y(), z);
	183	maxR = TMath::Max(maxR, v->Mod());
	184	}
	185	//g->SetPoint(nv, x0, y0, z0);
	186	g->SetFillColor(2);
	187	g->SetFillStyle(3002);
	188	g->SetLineColor(2);
	189	g->SetLineWidth(1);
	190	}
	191	}
	192	fMaxR = 1.05 * maxR;
	193	fMinZ = (minZ > 0 ? 0.95 * minZ : 1.05 * minZ);
	194	fMaxZ = (maxZ > 0 ? 1.05 * maxZ : 0.95 * maxZ);
	195
	196	TIter next(&fShapes);
	197	TGraph2D* g = 0;
	198	while ((g = static_cast<TGraph2D>(next()))) AddHistogram(g);
	199	if (det->GetInner()) AddHistogram(fInnerHits);
	200	if (det->GetOuter()) AddHistogram(fOuterHits);
	201
	202	fFrame = new TH2F(Form("FMD%d", fId), Form("FMD%d", fId),
	203	1, -fMaxR, fMaxR, 1, -fMaxR, fMaxR);
	204	fFrame->SetStats(kFALSE);
	205	fFrame->GetXaxis()->SetTitle("x [cm]");
	206	fFrame->GetYaxis()->SetTitle("y [cm]");
	207	fFrame->GetZaxis()->SetTitle("z [cm]");
	208	fFrame->SetDirectory(0);
	209	}
	210
	211
	212	//____________________________________________________________________
	213	Bool_t
	214	AliFMDFancy::Init()
	215	{
	216	// Initialize. GEt transforms and such,
	217	if (!AliFMDInput::Init()) return kFALSE;
	218	AliFMDGeometry* geom = AliFMDGeometry::Instance();
	219	geom->Init();
	220	geom->InitTransformations();
	221
	222	fFMD1.Init();
	223	fFMD2.Init();
	224	fFMD3.Init();
	225	return kTRUE;
	226	}
	227
	228	//____________________________________________________________________
	229	void
	230	AliFMDFancy::AliFancyDetector::Begin(Int_t /* event */)
	231	{
	232	// Called at the begining of an event.
	233	TIter next(&fShapes);
	234	TGraph2D* g = 0;
	235	fFrame->Draw("surf fb");
	236	fFrame->GetZaxis()->SetRangeUser(fMinZ, fMaxZ);
	237	while ((g = static_cast<TGraph2D*>(next()))) g->Draw("tri2 FB same");
	238	}
	239
	240	//____________________________________________________________________
	241	void
	242	AliFMDFancy::AliFancyDetector::Clear(Int_t /* event */)
	243	{
	244	// Clear
	245	fNInnerHits = 0;
	246	fNOuterHits = 0;
	247	}
	248
	249
	250	//____________________________________________________________________
	251	Bool_t
	252	AliFMDFancy::Begin(Int_t event)
	253	{
	254	// Called at the begining of an event
	255	if (!fCanvas) {
	256	const char* which[] = { "Continue", "Redisplay", 0 };
	257	MakeCanvas(which);
	258
	259	AliFMDGeometry* geom = AliFMDGeometry::Instance();
	260	// AliFMDDetector* det;
	261	if ((/det =/ geom->GetDetector(1))) {
	262	fPad->cd();
	263	fFMD1Pad = new TPad("FMD1", "FMD1", 0.0, 0.50, 0.5, 1.0, 0, 0);
	264	fFMD1Pad->Draw();
	265	fFMD1Pad->cd();
	266	fFMD1.Begin(event);
	267	}
	268	if ((/det =/ geom->GetDetector(2))) {
	269	fPad->cd();
	270	fFMD2Pad = new TPad("FMD2", "FMD2", 0.5, 0.50, 1.0, 1.0, 0, 0);
	271	fFMD2Pad->Draw();
	272	fFMD2Pad->cd();
	273	fFMD2.Begin(event);
	274	}
	275	if ((/det =/ geom->GetDetector(3))) {
	276	fPad->cd();
	277	fFMD3Pad = new TPad("FMD3", "FMD3", 0.0, 0.05, .5, .5, 0, 0);
	278	fFMD3Pad->Draw();
	279	fFMD3Pad->cd();
	280	fFMD3.Begin(event);
	281	}
	282	fPad->cd();
	283	fSummary = new TPad("display", "Display", 0.5, 0.05, 1.0, 0.5, 0, 0);
	284	fSummary->Draw();
	285	fSummary->cd();
	286	fEvent.Draw();
	287	fFMD1IHits.Draw();
	288	fFMD2IHits.Draw();
	289	fFMD2OHits.Draw();
	290	fFMD3IHits.Draw();
	291	fFMD3OHits.Draw();
	292	fLine.Draw();
	293	fTotal.Draw();
	294	}
	295	fEvent.SetTitle(Form("Event # %6d", event));
	296	// fEvent.Modify();
	297	fCanvas->Modified();
	298	fCanvas->Update();
	299	fCanvas->cd();
	300	fFMD1.Clear(event);
	301	fFMD2.Clear(event);
	302	fFMD3.Clear(event);
	303	return AliFMDInput::Begin(event);
	304	}
	305
	306	//____________________________________________________________________
	307	void
	308	AliFMDFancy::AliFancyDetector::End()
	309	{
	310	// Called at the end of an event
	311	Char_t rs[] = { 'I', 'O', '\0' };
	312	Char_t* rp = rs;
	313	Char_t r;
	314	while ((r = *(rp++))) {
	315	TGraph2D& g = (r == 'I' ? fInnerHits : fOuterHits);
	316	Int_t& n = (r == 'I' ? fNInnerHits : fNOuterHits);
	317	Int_t m = (r == 'I' ? 512 * 10 * 2 : 256 * 20 * 2);
	318	if (n == 0) continue;
	319	for (Int_t i = n; i < g.GetN(); i++) g.RemovePoint(i);
	320	// The code checker thinks this is not using declarations from
	321	// iostram and iomanip - that's just silly.
	322	std::cout << g.GetName() << " has " << std::setw(4) << n << "/"
	323	<< std::setw(5) << m << " points" << std::endl;
	324	g.Draw("same fb p");
	325	AddHistogram(g, "empty");
	326	}
	327	}
	328
	329	//____________________________________________________________________
	330	Bool_t
	331	AliFMDFancy::End()
	332	{
	333	// Called at the end of an event
	334	AliFMDGeometry* geom = AliFMDGeometry::Instance();
	335	// AliFMDDetector* det;
	336	Int_t total = 0;
	337	if ((/det =/ geom->GetDetector(1))) {
	338	fFMD1Pad->cd();
	339	fFMD1.End();
	340	fFMD1Pad->Modified();
	341	fFMD1IHits.SetTitle(Form("# hits in FMD1I: %5d", fFMD1.fNInnerHits));
	342	total += fFMD1.fNInnerHits;
	343	}
	344	if ((/det =/ geom->GetDetector(2))) {
	345	fFMD2Pad->cd();
	346	fFMD2.End();
	347	fFMD2Pad->Modified();
	348	fFMD2IHits.SetTitle(Form("# hits in FMD2I: %5d", fFMD2.fNInnerHits));
	349	fFMD2OHits.SetTitle(Form("# hits in FMD2O: %5d", fFMD2.fNOuterHits));
	350	total += fFMD2.fNInnerHits;
	351	total += fFMD2.fNOuterHits;
	352	}
	353	if ((/det =/ geom->GetDetector(3))) {
	354	fFMD3Pad->cd();
	355	fFMD3.End();
	356	fFMD3Pad->Modified();
	357	fFMD3IHits.SetTitle(Form("# hits in FMD3I: %5d", fFMD3.fNInnerHits));
	358	fFMD3OHits.SetTitle(Form("# hits in FMD3O: %5d", fFMD3.fNOuterHits));
	359	total += fFMD3.fNInnerHits;
	360	total += fFMD3.fNOuterHits;
	361	}
	362	fTotal.SetTitle(Form("Total: %5d/51200 (%3d%%)",
	363	total, Int_t(100. / 51200 * total)));
	364	fSummary->Modified();
	365	fCanvas->Modified();
	366	fCanvas->Update();
	367	fCanvas->cd();
	368	fWait = kTRUE;
	369	while (fWait) {
	370	// Hmm - code checker doesn't believe this is using the
	371	// TApplication or TSystem declaration - morron. Thank God for
	372	// optimising compilers.
	373	TApplication* a = gApplication;
	374	TSystem* s = gSystem;
	375	a->StartIdleing();
	376	s->InnerLoop();
	377	a->StopIdleing();
	378	}
	379	return AliFMDInput::End();
	380	}
	381
	382	//____________________________________________________________________
	383	Bool_t
	384	AliFMDFancy::ProcessHit(AliFMDHit* hit, TParticle*)
	385	{
	386	// Process a hit.
	387	AddMarker(hit->Detector(), hit->Ring(), hit->Sector(), hit->Strip(),
	388	hit, hit->Edep(), 0, 20);
	389	return kTRUE;
	390	}
	391	//____________________________________________________________________
	392	void
	393	AliFMDFancy::AliFancyDetector::AddMarker(Char_t rng, UShort_t sec,
	394	UShort_t str, Float_t, Float_t)
	395	{
	396	// Add a marker to the display
	397	AliFMDGeometry* geom = AliFMDGeometry::Instance();
	398	Double_t x, y, z;
	399	geom->Detector2XYZ(fId, rng, sec, str, x, y, z);
	400	// Trick the code-checker to think that we're using the TRandom
	401	// interface. The silly code checker also thinks that TMath is a
	402	// class and not a namespace - sigh!
	403	TRandom* rand = gRandom;
	404	if (true) {
	405	AliFMDRing* r = geom->GetRing(rng);
	406	Double_t t = .9 * r->GetTheta() / 2;
	407	Double_t a = rand->Uniform(-t,t) * TMath::Pi() / 180;
	408	Double_t x1 = x * TMath::Cos(a) - y * TMath::Sin(a);
	409	Double_t y1 = x * TMath::Sin(a) + y * TMath::Cos(a);
	410	x = x1;
	411	y = y1;
	412	}
	413	switch (rng) {
	414	case 'I':
	415	case 'i': fInnerHits.SetPoint(fNInnerHits++, x, y, z); break;
	416	case 'O':
	417	case 'o': fOuterHits.SetPoint(fNOuterHits++, x, y, z); break;
	418	default: return;
	419	}
	420	}
	421
	422
	423
	424	//____________________________________________________________________
	425	void
	426	AliFMDFancy::AddMarker(UShort_t det, Char_t rng, UShort_t sec, UShort_t str,
	427	TObject*, Float_t, Float_t, Float_t)
	428	{
	429	// Add a marker to the display
	430	//
	431	// det Detector
	432	// rng Ring
	433	// sec Sector
	434	// str Strip
	435	// o Object to refer to
	436	// s Signal
	437	// max Maximum of signal
	438	//
	439	switch (det) {
	440	case 1: fFMD1.AddMarker(rng,sec,str,0,0); break;
	441	case 2: fFMD2.AddMarker(rng,sec,str,0,0); break;
	442	case 3: fFMD3.AddMarker(rng,sec,str,0,0); break;
	443	}
	444	}
	445
	446	//____________________________________________________________________
	447	//
	448	// EOF
	449	//