[u/mrichter/AliRoot.git] / PWG2 / FORWARD / analysis2 / qa / DrawSteps.C

/**
 * 
 * @defgroup pwg2_forward_analysis_scripts_qa Quality Assurance scripts
 * 
 * 
 * @ingroup pwg2_forward_analysis_scripts
 * 
 */

/** 
 * Get a stack 
 * 
 * @param forward   Input list
 * @param sub       Sub-list
 * @param name      Name of stack
 * 
 * @return A stack or null
 * 
 * @ingroup pwg2_forward_analysis_scripts_qa
 */
THStack*
GetStack(const TList& forward,  const char* sub, const char* name)
{
  TList* lsub = &forward;

  if (sub && sub[0] != '\0') 
    lsub = static_cast<TList*>(forward.FindObject(sub));

  if (!lsub) { 
    Warning("GetStack", "Sub list %s not found in %s", sub, forward.GetName());
    return 0;
  }
  THStack* ret = static_cast<THStack*>(lsub->FindObject(name));
  if (!ret) 
    Warning("GetStack" "Stack %s not found in %s", name, sub);
  return ret;
}

/** 
 * Rebin a histogram
 * 
 * @param h      Histogram
 * @param rebin  Rebinning factor
 * 
 * @return Histogram
 * 
 * @ingroup pwg2_forward_analysis_scripts_qa
 */
TH1* 
Rebin(TH1* h, Int_t rebin)
{
  if (rebin <= 1) return h;
  h->Rebin(rebin);
  h->Scale(1. / rebin);
  return h;
}

/** 
 * Ratio of two histograms 
 * 
 * @param h1 numerator
 * @param h2 denominator
 * 
 * @return Ratio
 * 
 * @ingroup pwg2_forward_analysis_scripts_qa
 */
TH1*
Ratio(const TH1* h1, const TH1* h2)
{
  if (!h1) return;
  if (!h2) return;
  
  TH1* copy = static_cast<TH1*>(h2->Clone("tmp"));
  copy->SetName(Form("%s_%s", h2->GetName(), h1->GetName()));
  copy->SetTitle(Form("%s/%s", h2->GetTitle(), h1->GetTitle()));
  copy->SetDirectory(0);
  copy->Divide(h1);

  return copy;
}

/** 
 * Ratio all histograms in stacks 
 * 
 * @param r  Result
 * @param h1 Numerators
 * @param h2 Denominators 
 * 
 * @return Number of histograms 
  * 
 * @ingroup pwg2_forward_analysis_scripts_qa
*/
Int_t 
Ratio(THStack* r, const THStack* h1, const THStack* h2)
{
  if (!h1) return 0;
  if (!h2) return 0;

  int n1 = h1->GetHists()->GetEntries();
  int n2 = h2->GetHists()->GetEntries();
  int nH = 0;
  for (int i = 0; i < n1 && i < n2; i++) { 
    TH1* hh1 = static_cast<TH1*>(h1->GetHists()->At(i));
    TH1* hh2 = static_cast<TH1*>(h2->GetHists()->At(i));
    TH1* h   = Ratio(hh1, hh2);
    if (!h) continue;
    nH++;
    r->Add(h);
  }
  return nH;
}

/** 
 * Add a histogram to the all stack
 * 
 * @param all         Stack
 * @param h           Histogram
 * @param singleStep  Showing individual steps?
 * 
 * @ingroup pwg2_forward_analysis_scripts_qa
*/
void
AddToAll(THStack* all, const TH1* h, Bool_t singleStep)
{
  TH1* copy = static_cast<TH1*>(h->Clone(Form("%s_copy", h->GetName())));
  copy->SetDirectory(0);
  if (singleStep) { 
    copy->SetMarkerColor(kGray);
    copy->SetLineColor(kGray);
  }
  all->Add(copy);
}

/** 
 * Dim an entry
 * 
 * @param thisId  This step
 * @param step    Current step
 * @param e       Entry in legend 
 * 
 * @ingroup pwg2_forward_analysis_scripts_qa
 */
void
DimEntry(Int_t thisId, Int_t step, TLegendEntry* e)
{
  
  Int_t col = (thisId == step || step <= 0) ? kBlack : kGray;
  e->SetMarkerColor(col);
  e->SetLineColor(col);
  e->SetTextColor(col);
}

/** 
 * Draw a step
 * 
 * @param deltas   From energy loss
 * @param nchs     After 2nd correction
 * @param prims    Primaries
 * @param dndeta   Result 
 * @param step     Step number 
 * 
 * @ingroup pwg2_forward_analysis_scripts_qa
 */
void
DrawStep(THStack* deltas, THStack* nchs, THStack* prims, 
	 TH1*     dndeta, Int_t step)
{
  THStack* all = new THStack("all", "Analysis steps");
  if (step > 0) all->SetTitle(Form("Step %d", step));

  if (deltas) {
    deltas->SetTitle("#sum_{} #Delta/#Delta_{mip}");
    TIter next(deltas->GetHists());
    TH1* h = 0;
    while ((h = static_cast<TH1*>(next()))) { 
      h->SetMarkerStyle(25);
      // Info("DrawStep", "Adding %s", h->GetName());
      AddToAll(all, h, step>0);
    }
  }
  if (nchs) {
    nchs->SetTitle("#sum_{} N_{ch,incl}");
    TIter next(nchs->GetHists());
    TH1* h = 0;
    while ((h = static_cast<TH1*>(next()))) { 
      h->SetMarkerStyle(21);
      // Info("DrawStep", "Adding %s", h->GetName());
      AddToAll(all, h, step>0);
    }
  }
  if (prims) {
    prims->SetTitle("#sum_{} N_{ch,primary}");
    TIter next(prims->GetHists());
    TH1* h = 0;
    while ((h = static_cast<TH1*>(next()))) { 
      h->SetMarkerStyle(22);
      // Info("DrawStep", "Adding %s", h->GetName());
      AddToAll(all, h, step>0);
    }
  }
  if (dndeta) {
    dndeta->SetTitle("1/N dN_{ch}/d#eta");
    dndeta->SetMarkerStyle(20);
    dndeta->SetMarkerColor(kBlack);
    // Info("DrawStep", "Adding %s", dndeta->GetName());
    AddToAll(all, dndeta, step>0);
  }

  all->Draw("nostack");
  all->GetHistogram()->SetXTitle("#eta");
  all->GetHistogram()->SetYTitle("signal");
  all->GetHistogram()->GetXaxis()->SetLabelFont(132);
  all->GetHistogram()->GetXaxis()->SetTitleFont(132);
  all->GetHistogram()->GetYaxis()->SetLabelFont(132);
  all->GetHistogram()->GetYaxis()->SetTitleFont(132);
  c->SetGridx();

  TLegend* l = new TLegend(.33, .2, .53, .9);
  TLegendEntry* e = 0;
  l->SetFillColor(0);
  l->SetFillStyle(0);
  l->SetBorderSize(0);
  l->SetNColumns(1);
  l->SetTextFont(132);
  Int_t i = 0;
  if (deltas) { 
    TIter next(deltas->GetHists());		
    TH1*  h = 0;
    while ((h = static_cast<TH1*>(next()))) {
      e = l->AddEntry(Form("dummy%02d", i++),h->GetTitle(),"pl");
      e->SetMarkerStyle(20);
      e->SetMarkerColor(h->GetMarkerColor());
    }
    e = l->AddEntry(Form("dummy%02d", i++), deltas->GetTitle(),"pl");
    TH1* h = static_cast<TH1*>(deltas->GetHists()->At(0));
    e->SetMarkerStyle(h->GetMarkerStyle());
    DimEntry(1, step, e);
  }
  if (nchs) { 
    e = l->AddEntry(Form("dummy%02d",i++),nchs->GetTitle(),"pl");
    TH1* h = static_cast<TH1*>(nchs->GetHists()->At(0));
    e->SetMarkerStyle(h->GetMarkerStyle());
    DimEntry(2, step, e);
  }
  if (prims) { 
    e = l->AddEntry(Form("dummy%02d", i++), prims->GetTitle(),"pl");
    TH1* h = static_cast<TH1*>(prims->GetHists()->At(0));
    e->SetMarkerStyle(h->GetMarkerStyle());
    DimEntry(3, step, e);
  }
  if (dndeta) { 
    e = l->AddEntry(Form("dummy%02d", i++), dndeta->GetTitle(),"pl");
    e->SetMarkerStyle(dndeta->GetMarkerStyle());
    DimEntry(4, step, e);
  }
  l->Draw();

  TString what;
  if (step > 0) {
    switch (step) { 
    case 1: 
      deltas->Draw("same nostack"); 
      what = "After merging";
      break;
    case 2: 
      nchs->Draw("same nostack"); 
      what = "After particle counting";
      break;
    case 3: 
      prims->Draw("same nostack"); 
      what = "After corrections";
      break;
    case 4: 
      dndeta->Draw("same"); 
      what = "After normalisation";
      break;
    default: 
      Error("DrawSteps", "Unknown step: %d (must be in 1-4)");
      break;
    }
  }
  TLatex* ltx = new TLatex(.95, .85, what);
  ltx->SetNDC();
  ltx->SetTextSize(.07);
  ltx->SetTextAlign(33);
  ltx->SetTextFont(132);
  ltx->Draw();
}

/** 
 * Draw steps
 * 
 * @param filename Input file 
 * @param single   Whether to show individial steps 
 * 
 * @ingroup pwg2_forward_analysis_scripts_qa
 */
void DrawSteps(const char* filename="forward.root", Bool_t single=true)
{
  gStyle->SetPalette(1);
  gStyle->SetOptFit(0);
  gStyle->SetOptStat(0);

  TFile* file = TFile::Open(filename, "READ");
  if (!file) { 
    Error("DrawMCResult", "failed to open %s", filename);
    return;
  }
  const char* fname2 = "forward_dndeta.root";
  TFile* file2 = TFile::Open(fname2, "READ");
  if (!file2) { 
    Error("DrawSteps", "File %s not found", fname2);
  }

  TList* forward = static_cast<TList*>(file->Get("Forward"));
  if (!forward) { 
    Error("DrawMCResult", "List Forward not found in %s", filename);
    return;
  }
  TList* forwardRes = (file2 ? 
		       static_cast<TList*>(file2->Get("ForwardResults")) :
		       0);
  TList* forwardAll = (forwardRes ? 
		       static_cast<TList*>(forwardRes->FindObject("all")) :
		       0);
		       
  
  // THStack* res    = GetStack(*forward, "ringResults", "all");
  // THStack* mcRes  = GetStack(*forward, "mcRingResults", "all");
  THStack* deltas = GetStack(*forward, "fmdSharingFilter", "sums");
  THStack* nchs   = GetStack(*forward, "fmdDensityCalculator", "sums");
  THStack* prims  = GetStack(*forward, "fmdCorrector", "sums");
  TH1*     dndeta = (forwardAll ? 
		     static_cast<TH1*>(forwardAll->FindObject("dndetaForward")):
		     0);

  Info("DrawSteps", "Got steps deltas=%p, nchs=%p, prims=%p, dndeta=%p",
       deltas, nchs, prims, dndeta);


  gStyle->SetTitleBorderSize(0);
  gStyle->SetTitleFillColor(0);
  gStyle->SetTitleStyle(0);
  gStyle->SetTitleX(.7);
  gStyle->SetTitleY(.95);
  gStyle->SetTitleH(.1);
  gStyle->SetTitleW(.25);
  gStyle->SetOptTitle(1);
  // gStyle->SetTitleColor(kBlack);


  if (!single) { 
    TCanvas* c = new TCanvas("c", "C", 900, 700);
    c->SetFillColor(0);
    c->SetBorderSize(0);
    c->SetTopMargin(0.05);
    c->SetRightMargin(0.05);

    DrawStep(deltas, nchs, prims, dndeta, 0);
    c->SaveAs("steps_all.png");
    return;
  }
  Int_t nSteps = 0;
  if (deltas) nSteps++;
  if (nchs)   nSteps++;
  if (prims)  nSteps++;
  if (dndeta) nSteps++;

  Int_t w = (nSteps >= 4 ? 1100 :  700);
  Int_t h = (nSteps >= 4 ? 800  : 1100);

  TCanvas* c = new TCanvas("c", "C", w, h);
  c->SetFillColor(0);
  c->SetBorderSize(0);
  c->SetTopMargin(0.05);
  c->SetRightMargin(0.05);

  if (nSteps >= 4) 
    c->Divide(2,(nSteps+1)/2,0,0);
  else 
    c->Divide(1,nSteps,0,0);
  
  for (Int_t i=1; i<=nSteps; i++) { 
    TVirtualPad* p = c->cd(i);
    p->SetFillColor(0);
    p->SetFillStyle(0);
    p->SetBorderSize(0);
    p->SetGridx();
    p->SetGridy();

    DrawStep(deltas, nchs, prims, dndeta, i);
  }
  c->SaveAs("steps_comic.png");
}
//
// EOF
//
Commit	Line	Data
56199f2b	1	/**
	2	*
	3	* @defgroup pwg2_forward_analysis_scripts_qa Quality Assurance scripts
	4	*
	5	*
	6	* @ingroup pwg2_forward_analysis_scripts
	7	*
	8	*/
	9
	10	/**
	11	* Get a stack
	12	*
	13	* @param forward Input list
	14	* @param sub Sub-list
	15	* @param name Name of stack
	16	*
	17	* @return A stack or null
	18	*
	19	* @ingroup pwg2_forward_analysis_scripts_qa
	20	*/
797161e8	21	THStack*
	22	GetStack(const TList& forward, const char* sub, const char* name)
	23	{
	24	TList* lsub = &forward;
	25
	26	if (sub && sub[0] != '\0')
	27	lsub = static_cast<TList*>(forward.FindObject(sub));
	28
	29	if (!lsub) {
	30	Warning("GetStack", "Sub list %s not found in %s", sub, forward.GetName());
	31	return 0;
	32	}
	33	THStack* ret = static_cast<THStack*>(lsub->FindObject(name));
	34	if (!ret)
	35	Warning("GetStack" "Stack %s not found in %s", name, sub);
	36	return ret;
	37	}
	38
56199f2b	39	/**
	40	* Rebin a histogram
	41	*
	42	* @param h Histogram
	43	* @param rebin Rebinning factor
	44	*
	45	* @return Histogram
	46	*
	47	* @ingroup pwg2_forward_analysis_scripts_qa
	48	*/
797161e8	49	TH1*
	50	Rebin(TH1* h, Int_t rebin)
	51	{
	52	if (rebin <= 1) return h;
	53	h->Rebin(rebin);
	54	h->Scale(1. / rebin);
	55	return h;
	56	}
	57
56199f2b	58	/**
	59	* Ratio of two histograms
	60	*
	61	* @param h1 numerator
	62	* @param h2 denominator
	63	*
	64	* @return Ratio
	65	*
	66	* @ingroup pwg2_forward_analysis_scripts_qa
	67	*/
797161e8	68	TH1*
	69	Ratio(const TH1* h1, const TH1* h2)
	70	{
	71	if (!h1) return;
	72	if (!h2) return;
	73
	74	TH1* copy = static_cast<TH1*>(h2->Clone("tmp"));
	75	copy->SetName(Form("%s_%s", h2->GetName(), h1->GetName()));
	76	copy->SetTitle(Form("%s/%s", h2->GetTitle(), h1->GetTitle()));
	77	copy->SetDirectory(0);
	78	copy->Divide(h1);
	79
	80	return copy;
	81	}
	82
56199f2b	83	/**
	84	* Ratio all histograms in stacks
	85	*
	86	* @param r Result
	87	* @param h1 Numerators
	88	* @param h2 Denominators
	89	*
	90	* @return Number of histograms
	91	*
	92	* @ingroup pwg2_forward_analysis_scripts_qa
	93	*/
797161e8	94	Int_t
	95	Ratio(THStack* r, const THStack* h1, const THStack* h2)
	96	{
	97	if (!h1) return 0;
	98	if (!h2) return 0;
	99
	100	int n1 = h1->GetHists()->GetEntries();
	101	int n2 = h2->GetHists()->GetEntries();
	102	int nH = 0;
	103	for (int i = 0; i < n1 && i < n2; i++) {
	104	TH1* hh1 = static_cast<TH1*>(h1->GetHists()->At(i));
	105	TH1* hh2 = static_cast<TH1*>(h2->GetHists()->At(i));
	106	TH1* h = Ratio(hh1, hh2);
	107	if (!h) continue;
	108	nH++;
	109	r->Add(h);
	110	}
	111	return nH;
	112	}
	113
56199f2b	114	/**
	115	* Add a histogram to the all stack
	116	*
	117	* @param all Stack
	118	* @param h Histogram
	119	* @param singleStep Showing individual steps?
	120	*
	121	* @ingroup pwg2_forward_analysis_scripts_qa
	122	*/
797161e8	123	void
	124	AddToAll(THStack* all, const TH1* h, Bool_t singleStep)
	125	{
	126	TH1* copy = static_cast<TH1*>(h->Clone(Form("%s_copy", h->GetName())));
	127	copy->SetDirectory(0);
	128	if (singleStep) {
	129	copy->SetMarkerColor(kGray);
	130	copy->SetLineColor(kGray);
	131	}
	132	all->Add(copy);
	133	}
	134
56199f2b	135	/**
	136	* Dim an entry
	137	*
	138	* @param thisId This step
	139	* @param step Current step
	140	* @param e Entry in legend
	141	*
	142	* @ingroup pwg2_forward_analysis_scripts_qa
	143	*/
797161e8	144	void
	145	DimEntry(Int_t thisId, Int_t step, TLegendEntry* e)
	146	{
	147
	148	Int_t col = (thisId == step \|\| step <= 0) ? kBlack : kGray;
	149	e->SetMarkerColor(col);
	150	e->SetLineColor(col);
	151	e->SetTextColor(col);
	152	}
	153
56199f2b	154	/**
	155	* Draw a step
	156	*
	157	* @param deltas From energy loss
	158	* @param nchs After 2nd correction
	159	* @param prims Primaries
	160	* @param dndeta Result
	161	* @param step Step number
	162	*
	163	* @ingroup pwg2_forward_analysis_scripts_qa
	164	*/
797161e8	165	void
	166	DrawStep(THStack* deltas, THStack* nchs, THStack* prims,
	167	TH1* dndeta, Int_t step)
	168	{
	169	THStack* all = new THStack("all", "Analysis steps");
	170	if (step > 0) all->SetTitle(Form("Step %d", step));
	171
	172	if (deltas) {
	173	deltas->SetTitle("#sum_{} #Delta/#Delta_{mip}");
	174	TIter next(deltas->GetHists());
	175	TH1* h = 0;
	176	while ((h = static_cast<TH1*>(next()))) {
	177	h->SetMarkerStyle(25);
	178	// Info("DrawStep", "Adding %s", h->GetName());
	179	AddToAll(all, h, step>0);
	180	}
	181	}
	182	if (nchs) {
	183	nchs->SetTitle("#sum_{} N_{ch,incl}");
	184	TIter next(nchs->GetHists());
	185	TH1* h = 0;
	186	while ((h = static_cast<TH1*>(next()))) {
	187	h->SetMarkerStyle(21);
	188	// Info("DrawStep", "Adding %s", h->GetName());
	189	AddToAll(all, h, step>0);
	190	}
	191	}
	192	if (prims) {
	193	prims->SetTitle("#sum_{} N_{ch,primary}");
	194	TIter next(prims->GetHists());
	195	TH1* h = 0;
	196	while ((h = static_cast<TH1*>(next()))) {
	197	h->SetMarkerStyle(22);
	198	// Info("DrawStep", "Adding %s", h->GetName());
	199	AddToAll(all, h, step>0);
	200	}
	201	}
	202	if (dndeta) {
	203	dndeta->SetTitle("1/N dN_{ch}/d#eta");
	204	dndeta->SetMarkerStyle(20);
	205	dndeta->SetMarkerColor(kBlack);
	206	// Info("DrawStep", "Adding %s", dndeta->GetName());
	207	AddToAll(all, dndeta, step>0);
	208	}
	209
	210	all->Draw("nostack");
	211	all->GetHistogram()->SetXTitle("#eta");
	212	all->GetHistogram()->SetYTitle("signal");
	213	all->GetHistogram()->GetXaxis()->SetLabelFont(132);
	214	all->GetHistogram()->GetXaxis()->SetTitleFont(132);
	215	all->GetHistogram()->GetYaxis()->SetLabelFont(132);
	216	all->GetHistogram()->GetYaxis()->SetTitleFont(132);
	217	c->SetGridx();
	218
	219	TLegend* l = new TLegend(.33, .2, .53, .9);
	220	TLegendEntry* e = 0;
	221	l->SetFillColor(0);
	222	l->SetFillStyle(0);
	223	l->SetBorderSize(0);
	224	l->SetNColumns(1);
	225	l->SetTextFont(132);
	226	Int_t i = 0;
	227	if (deltas) {
	228	TIter next(deltas->GetHists());
229	TH1* h = 0;
230	while ((h = static_cast<TH1*>(next()))) {
231	e = l->AddEntry(Form("dummy%02d", i++),h->GetTitle(),"pl");
232	e->SetMarkerStyle(20);
233	e->SetMarkerColor(h->GetMarkerColor());
234	}
235	e = l->AddEntry(Form("dummy%02d", i++), deltas->GetTitle(),"pl");
236	TH1* h = static_cast<TH1*>(deltas->GetHists()->At(0));
237	e->SetMarkerStyle(h->GetMarkerStyle());
238	DimEntry(1, step, e);
239	}
240	if (nchs) {
241	e = l->AddEntry(Form("dummy%02d",i++),nchs->GetTitle(),"pl");
242	TH1* h = static_cast<TH1*>(nchs->GetHists()->At(0));
243	e->SetMarkerStyle(h->GetMarkerStyle());
244	DimEntry(2, step, e);
245	}
246	if (prims) {
247	e = l->AddEntry(Form("dummy%02d", i++), prims->GetTitle(),"pl");
248	TH1* h = static_cast<TH1*>(prims->GetHists()->At(0));
249	e->SetMarkerStyle(h->GetMarkerStyle());
250	DimEntry(3, step, e);
251	}
252	if (dndeta) {
253	e = l->AddEntry(Form("dummy%02d", i++), dndeta->GetTitle(),"pl");
254	e->SetMarkerStyle(dndeta->GetMarkerStyle());
255	DimEntry(4, step, e);
256	}
257	l->Draw();
258
259	TString what;
260	if (step > 0) {
261	switch (step) {
262	case 1:
263	deltas->Draw("same nostack");
264	what = "After merging";
265	break;
266	case 2:
267	nchs->Draw("same nostack");
268	what = "After particle counting";
269	break;
270	case 3:
271	prims->Draw("same nostack");
272	what = "After corrections";
273	break;
274	case 4:
275	dndeta->Draw("same");
276	what = "After normalisation";
277	break;
278	default:
279	Error("DrawSteps", "Unknown step: %d (must be in 1-4)");
280	break;
281	}
282	}
283	TLatex* ltx = new TLatex(.95, .85, what);
284	ltx->SetNDC();
285	ltx->SetTextSize(.07);
286	ltx->SetTextAlign(33);
287	ltx->SetTextFont(132);
288	ltx->Draw();
289	}
290
56199f2b	291	/**
	292	* Draw steps
	293	*
	294	* @param filename Input file
	295	* @param single Whether to show individial steps
	296	*
	297	* @ingroup pwg2_forward_analysis_scripts_qa
	298	*/
b5c9a732	299	void DrawSteps(const char* filename="forward.root", Bool_t single=true)
797161e8	300	{
	301	gStyle->SetPalette(1);
	302	gStyle->SetOptFit(0);
	303	gStyle->SetOptStat(0);
	304
	305	TFile* file = TFile::Open(filename, "READ");
	306	if (!file) {
	307	Error("DrawMCResult", "failed to open %s", filename);
	308	return;
	309	}
	310	const char* fname2 = "forward_dndeta.root";
	311	TFile* file2 = TFile::Open(fname2, "READ");
	312	if (!file2) {
	313	Error("DrawSteps", "File %s not found", fname2);
	314	}
	315
	316	TList* forward = static_cast<TList*>(file->Get("Forward"));
	317	if (!forward) {
	318	Error("DrawMCResult", "List Forward not found in %s", filename);
	319	return;
	320	}
	321	TList* forwardRes = (file2 ?
	322	static_cast<TList*>(file2->Get("ForwardResults")) :
	323	0);
	324	TList* forwardAll = (forwardRes ?
	325	static_cast<TList*>(forwardRes->FindObject("all")) :
	326	0);
	327
	328
	329	// THStack* res = GetStack(*forward, "ringResults", "all");
	330	// THStack* mcRes = GetStack(*forward, "mcRingResults", "all");
	331	THStack* deltas = GetStack(*forward, "fmdSharingFilter", "sums");
	332	THStack* nchs = GetStack(*forward, "fmdDensityCalculator", "sums");
	333	THStack* prims = GetStack(*forward, "fmdCorrector", "sums");
	334	TH1* dndeta = (forwardAll ?
	335	static_cast<TH1*>(forwardAll->FindObject("dndetaForward")):
	336	0);
	337
	338	Info("DrawSteps", "Got steps deltas=%p, nchs=%p, prims=%p, dndeta=%p",
	339	deltas, nchs, prims, dndeta);
	340
	341
	342	gStyle->SetTitleBorderSize(0);
	343	gStyle->SetTitleFillColor(0);
	344	gStyle->SetTitleStyle(0);
	345	gStyle->SetTitleX(.7);
	346	gStyle->SetTitleY(.95);
	347	gStyle->SetTitleH(.1);
	348	gStyle->SetTitleW(.25);
b5c9a732	349	gStyle->SetOptTitle(1);
797161e8	350	// gStyle->SetTitleColor(kBlack);
	351
	352
	353
	354	if (!single) {
	355	TCanvas* c = new TCanvas("c", "C", 900, 700);
	356	c->SetFillColor(0);
	357	c->SetBorderSize(0);
	358	c->SetTopMargin(0.05);
	359	c->SetRightMargin(0.05);
	360
	361	DrawStep(deltas, nchs, prims, dndeta, 0);
b5c9a732	362	c->SaveAs("steps_all.png");
797161e8	363	return;
	364	}
	365	Int_t nSteps = 0;
	366	if (deltas) nSteps++;
	367	if (nchs) nSteps++;
	368	if (prims) nSteps++;
	369	if (dndeta) nSteps++;
	370
	371	Int_t w = (nSteps >= 4 ? 1100 : 700);
	372	Int_t h = (nSteps >= 4 ? 800 : 1100);
	373
	374	TCanvas* c = new TCanvas("c", "C", w, h);
	375	c->SetFillColor(0);
	376	c->SetBorderSize(0);
	377	c->SetTopMargin(0.05);
	378	c->SetRightMargin(0.05);
	379
	380	if (nSteps >= 4)
	381	c->Divide(2,(nSteps+1)/2,0,0);
	382	else
	383	c->Divide(1,nSteps,0,0);
	384
	385	for (Int_t i=1; i<=nSteps; i++) {
	386	TVirtualPad* p = c->cd(i);
	387	p->SetFillColor(0);
	388	p->SetFillStyle(0);
	389	p->SetBorderSize(0);
	390	p->SetGridx();
	391	p->SetGridy();
	392
	393	DrawStep(deltas, nchs, prims, dndeta, i);
	394	}
b5c9a732	395	c->SaveAs("steps_comic.png");
797161e8	396	}
b5c9a732	397	//
	398	// EOF
	399	//
797161e8	400
797161e8	401