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

/**
 * @file   DrawSteps.C
 * @author Christian Holm Christensen <cholm@nbi.dk>
 * @date   Thu Nov 17 11:34:01 2011
 * 
 * @brief  
 * 
 * 
 * @defgroup pwglf_forward_scripts_qa Quality Assurance scripts
 * @ingroup pwglf_forward_scripts
 */
/** 
 * Get a stack 
 * 
 * @param forward   Input list
 * @param sub       Sub-list
 * @param name      Name of stack
 * 
 * @return A stack or null
 * 
 * @ingroup pwglf_forward_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 pwglf_forward_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 pwglf_forward_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 pwglf_forward_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 pwglf_forward_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 pwglf_forward_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 pwglf_forward_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 pwglf_forward_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	/**
2dbde04b	2	* @file DrawSteps.C
	3	* @author Christian Holm Christensen <cholm@nbi.dk>
	4	* @date Thu Nov 17 11:34:01 2011
56199f2b	5	*
2dbde04b	6	* @brief
56199f2b	7	*
56199f2b	8	*
bd6f5206	9	* @defgroup pwglf_forward_scripts_qa Quality Assurance scripts
bd6f5206	10	* @ingroup pwglf_forward_scripts
56199f2b	11	*/
56199f2b	12	/**
	13	* Get a stack
	14	*
	15	* @param forward Input list
	16	* @param sub Sub-list
	17	* @param name Name of stack
	18	*
	19	* @return A stack or null
	20	*
bd6f5206	21	* @ingroup pwglf_forward_scripts_qa
56199f2b	22	*/
797161e8	23	THStack*
	24	GetStack(const TList& forward, const char* sub, const char* name)
	25	{
	26	TList* lsub = &forward;
	27
	28	if (sub && sub[0] != '\0')
	29	lsub = static_cast<TList*>(forward.FindObject(sub));
	30
	31	if (!lsub) {
	32	Warning("GetStack", "Sub list %s not found in %s", sub, forward.GetName());
	33	return 0;
	34	}
	35	THStack* ret = static_cast<THStack*>(lsub->FindObject(name));
	36	if (!ret)
	37	Warning("GetStack" "Stack %s not found in %s", name, sub);
	38	return ret;
	39	}
	40
56199f2b	41	/**
	42	* Rebin a histogram
	43	*
	44	* @param h Histogram
	45	* @param rebin Rebinning factor
	46	*
	47	* @return Histogram
	48	*
bd6f5206	49	* @ingroup pwglf_forward_scripts_qa
56199f2b	50	*/
797161e8	51	TH1*
	52	Rebin(TH1* h, Int_t rebin)
	53	{
	54	if (rebin <= 1) return h;
	55	h->Rebin(rebin);
	56	h->Scale(1. / rebin);
	57	return h;
	58	}
	59
56199f2b	60	/**
	61	* Ratio of two histograms
	62	*
	63	* @param h1 numerator
	64	* @param h2 denominator
	65	*
	66	* @return Ratio
	67	*
bd6f5206	68	* @ingroup pwglf_forward_scripts_qa
56199f2b	69	*/
797161e8	70	TH1*
	71	Ratio(const TH1* h1, const TH1* h2)
	72	{
	73	if (!h1) return;
	74	if (!h2) return;
	75
	76	TH1* copy = static_cast<TH1*>(h2->Clone("tmp"));
	77	copy->SetName(Form("%s_%s", h2->GetName(), h1->GetName()));
	78	copy->SetTitle(Form("%s/%s", h2->GetTitle(), h1->GetTitle()));
	79	copy->SetDirectory(0);
	80	copy->Divide(h1);
	81
	82	return copy;
	83	}
	84
56199f2b	85	/**
	86	* Ratio all histograms in stacks
	87	*
	88	* @param r Result
	89	* @param h1 Numerators
	90	* @param h2 Denominators
	91	*
	92	* @return Number of histograms
	93	*
bd6f5206	94	* @ingroup pwglf_forward_scripts_qa
56199f2b	95	*/
797161e8	96	Int_t
	97	Ratio(THStack* r, const THStack* h1, const THStack* h2)
	98	{
	99	if (!h1) return 0;
	100	if (!h2) return 0;
	101
	102	int n1 = h1->GetHists()->GetEntries();
	103	int n2 = h2->GetHists()->GetEntries();
	104	int nH = 0;
	105	for (int i = 0; i < n1 && i < n2; i++) {
	106	TH1* hh1 = static_cast<TH1*>(h1->GetHists()->At(i));
	107	TH1* hh2 = static_cast<TH1*>(h2->GetHists()->At(i));
	108	TH1* h = Ratio(hh1, hh2);
	109	if (!h) continue;
	110	nH++;
	111	r->Add(h);
	112	}
	113	return nH;
	114	}
	115
56199f2b	116	/**
	117	* Add a histogram to the all stack
	118	*
	119	* @param all Stack
	120	* @param h Histogram
	121	* @param singleStep Showing individual steps?
	122	*
bd6f5206	123	* @ingroup pwglf_forward_scripts_qa
56199f2b	124	*/
797161e8	125	void
	126	AddToAll(THStack* all, const TH1* h, Bool_t singleStep)
	127	{
	128	TH1* copy = static_cast<TH1*>(h->Clone(Form("%s_copy", h->GetName())));
	129	copy->SetDirectory(0);
	130	if (singleStep) {
	131	copy->SetMarkerColor(kGray);
	132	copy->SetLineColor(kGray);
	133	}
	134	all->Add(copy);
	135	}
	136
56199f2b	137	/**
	138	* Dim an entry
	139	*
	140	* @param thisId This step
	141	* @param step Current step
	142	* @param e Entry in legend
	143	*
bd6f5206	144	* @ingroup pwglf_forward_scripts_qa
56199f2b	145	*/
797161e8	146	void
	147	DimEntry(Int_t thisId, Int_t step, TLegendEntry* e)
	148	{
	149
	150	Int_t col = (thisId == step \|\| step <= 0) ? kBlack : kGray;
	151	e->SetMarkerColor(col);
	152	e->SetLineColor(col);
	153	e->SetTextColor(col);
	154	}
	155
56199f2b	156	/**
	157	* Draw a step
	158	*
	159	* @param deltas From energy loss
	160	* @param nchs After 2nd correction
	161	* @param prims Primaries
	162	* @param dndeta Result
	163	* @param step Step number
	164	*
bd6f5206	165	* @ingroup pwglf_forward_scripts_qa
56199f2b	166	*/
797161e8	167	void
	168	DrawStep(THStack* deltas, THStack* nchs, THStack* prims,
	169	TH1* dndeta, Int_t step)
	170	{
	171	THStack* all = new THStack("all", "Analysis steps");
	172	if (step > 0) all->SetTitle(Form("Step %d", step));
	173
	174	if (deltas) {
	175	deltas->SetTitle("#sum_{} #Delta/#Delta_{mip}");
	176	TIter next(deltas->GetHists());
	177	TH1* h = 0;
	178	while ((h = static_cast<TH1*>(next()))) {
	179	h->SetMarkerStyle(25);
	180	// Info("DrawStep", "Adding %s", h->GetName());
	181	AddToAll(all, h, step>0);
	182	}
	183	}
	184	if (nchs) {
	185	nchs->SetTitle("#sum_{} N_{ch,incl}");
	186	TIter next(nchs->GetHists());
	187	TH1* h = 0;
	188	while ((h = static_cast<TH1*>(next()))) {
	189	h->SetMarkerStyle(21);
	190	// Info("DrawStep", "Adding %s", h->GetName());
	191	AddToAll(all, h, step>0);
	192	}
	193	}
	194	if (prims) {
	195	prims->SetTitle("#sum_{} N_{ch,primary}");
	196	TIter next(prims->GetHists());
	197	TH1* h = 0;
	198	while ((h = static_cast<TH1*>(next()))) {
	199	h->SetMarkerStyle(22);
	200	// Info("DrawStep", "Adding %s", h->GetName());
	201	AddToAll(all, h, step>0);
	202	}
	203	}
	204	if (dndeta) {
	205	dndeta->SetTitle("1/N dN_{ch}/d#eta");
	206	dndeta->SetMarkerStyle(20);
	207	dndeta->SetMarkerColor(kBlack);
	208	// Info("DrawStep", "Adding %s", dndeta->GetName());
	209	AddToAll(all, dndeta, step>0);
	210	}
	211
	212	all->Draw("nostack");
	213	all->GetHistogram()->SetXTitle("#eta");
	214	all->GetHistogram()->SetYTitle("signal");
	215	all->GetHistogram()->GetXaxis()->SetLabelFont(132);
	216	all->GetHistogram()->GetXaxis()->SetTitleFont(132);
	217	all->GetHistogram()->GetYaxis()->SetLabelFont(132);
	218	all->GetHistogram()->GetYaxis()->SetTitleFont(132);
	219	c->SetGridx();
	220
	221	TLegend* l = new TLegend(.33, .2, .53, .9);
	222	TLegendEntry* e = 0;
	223	l->SetFillColor(0);
	224	l->SetFillStyle(0);
	225	l->SetBorderSize(0);
	226	l->SetNColumns(1);
	227	l->SetTextFont(132);
	228	Int_t i = 0;
	229	if (deltas) {
	230	TIter next(deltas->GetHists());
231	TH1* h = 0;
232	while ((h = static_cast<TH1*>(next()))) {
233	e = l->AddEntry(Form("dummy%02d", i++),h->GetTitle(),"pl");
234	e->SetMarkerStyle(20);
235	e->SetMarkerColor(h->GetMarkerColor());
236	}
237	e = l->AddEntry(Form("dummy%02d", i++), deltas->GetTitle(),"pl");
238	TH1* h = static_cast<TH1*>(deltas->GetHists()->At(0));
239	e->SetMarkerStyle(h->GetMarkerStyle());
240	DimEntry(1, step, e);
241	}
242	if (nchs) {
243	e = l->AddEntry(Form("dummy%02d",i++),nchs->GetTitle(),"pl");
244	TH1* h = static_cast<TH1*>(nchs->GetHists()->At(0));
245	e->SetMarkerStyle(h->GetMarkerStyle());
246	DimEntry(2, step, e);
247	}
248	if (prims) {
249	e = l->AddEntry(Form("dummy%02d", i++), prims->GetTitle(),"pl");
250	TH1* h = static_cast<TH1*>(prims->GetHists()->At(0));
251	e->SetMarkerStyle(h->GetMarkerStyle());
252	DimEntry(3, step, e);
253	}
254	if (dndeta) {
255	e = l->AddEntry(Form("dummy%02d", i++), dndeta->GetTitle(),"pl");
256	e->SetMarkerStyle(dndeta->GetMarkerStyle());
257	DimEntry(4, step, e);
258	}
259	l->Draw();
260
261	TString what;
262	if (step > 0) {
263	switch (step) {
264	case 1:
265	deltas->Draw("same nostack");
266	what = "After merging";
267	break;
268	case 2:
269	nchs->Draw("same nostack");
270	what = "After particle counting";
271	break;
272	case 3:
273	prims->Draw("same nostack");
274	what = "After corrections";
275	break;
276	case 4:
277	dndeta->Draw("same");
278	what = "After normalisation";
279	break;
280	default:
281	Error("DrawSteps", "Unknown step: %d (must be in 1-4)");
282	break;
283	}
284	}
285	TLatex* ltx = new TLatex(.95, .85, what);
286	ltx->SetNDC();
287	ltx->SetTextSize(.07);
288	ltx->SetTextAlign(33);
289	ltx->SetTextFont(132);
290	ltx->Draw();
291	}
292
56199f2b	293	/**
	294	* Draw steps
	295	*
	296	* @param filename Input file
	297	* @param single Whether to show individial steps
	298	*
bd6f5206	299	* @ingroup pwglf_forward_scripts_qa
56199f2b	300	*/
b5c9a732	301	void DrawSteps(const char* filename="forward.root", Bool_t single=true)
797161e8	302	{
	303	gStyle->SetPalette(1);
	304	gStyle->SetOptFit(0);
	305	gStyle->SetOptStat(0);
	306
	307	TFile* file = TFile::Open(filename, "READ");
	308	if (!file) {
	309	Error("DrawMCResult", "failed to open %s", filename);
	310	return;
	311	}
	312	const char* fname2 = "forward_dndeta.root";
	313	TFile* file2 = TFile::Open(fname2, "READ");
	314	if (!file2) {
	315	Error("DrawSteps", "File %s not found", fname2);
	316	}
	317
	318	TList* forward = static_cast<TList*>(file->Get("Forward"));
	319	if (!forward) {
	320	Error("DrawMCResult", "List Forward not found in %s", filename);
	321	return;
	322	}
	323	TList* forwardRes = (file2 ?
	324	static_cast<TList*>(file2->Get("ForwardResults")) :
	325	0);
	326	TList* forwardAll = (forwardRes ?
	327	static_cast<TList*>(forwardRes->FindObject("all")) :
	328	0);
	329
	330
	331	// THStack* res = GetStack(*forward, "ringResults", "all");
	332	// THStack* mcRes = GetStack(*forward, "mcRingResults", "all");
	333	THStack* deltas = GetStack(*forward, "fmdSharingFilter", "sums");
	334	THStack* nchs = GetStack(*forward, "fmdDensityCalculator", "sums");
	335	THStack* prims = GetStack(*forward, "fmdCorrector", "sums");
	336	TH1* dndeta = (forwardAll ?
	337	static_cast<TH1*>(forwardAll->FindObject("dndetaForward")):
	338	0);
	339
	340	Info("DrawSteps", "Got steps deltas=%p, nchs=%p, prims=%p, dndeta=%p",
	341	deltas, nchs, prims, dndeta);
	342
	343
	344	gStyle->SetTitleBorderSize(0);
	345	gStyle->SetTitleFillColor(0);
	346	gStyle->SetTitleStyle(0);
	347	gStyle->SetTitleX(.7);
	348	gStyle->SetTitleY(.95);
	349	gStyle->SetTitleH(.1);
	350	gStyle->SetTitleW(.25);
b5c9a732	351	gStyle->SetOptTitle(1);
797161e8	352	// gStyle->SetTitleColor(kBlack);
	353
	354
	355
	356	if (!single) {
	357	TCanvas* c = new TCanvas("c", "C", 900, 700);
	358	c->SetFillColor(0);
	359	c->SetBorderSize(0);
	360	c->SetTopMargin(0.05);
	361	c->SetRightMargin(0.05);
	362
	363	DrawStep(deltas, nchs, prims, dndeta, 0);
b5c9a732	364	c->SaveAs("steps_all.png");
797161e8	365	return;
	366	}
	367	Int_t nSteps = 0;
	368	if (deltas) nSteps++;
	369	if (nchs) nSteps++;
	370	if (prims) nSteps++;
	371	if (dndeta) nSteps++;
	372
	373	Int_t w = (nSteps >= 4 ? 1100 : 700);
	374	Int_t h = (nSteps >= 4 ? 800 : 1100);
	375
	376	TCanvas* c = new TCanvas("c", "C", w, h);
	377	c->SetFillColor(0);
	378	c->SetBorderSize(0);
	379	c->SetTopMargin(0.05);
	380	c->SetRightMargin(0.05);
	381
	382	if (nSteps >= 4)
	383	c->Divide(2,(nSteps+1)/2,0,0);
	384	else
	385	c->Divide(1,nSteps,0,0);
	386
	387	for (Int_t i=1; i<=nSteps; i++) {
	388	TVirtualPad* p = c->cd(i);
	389	p->SetFillColor(0);
	390	p->SetFillStyle(0);
	391	p->SetBorderSize(0);
	392	p->SetGridx();
	393	p->SetGridy();
	394
	395	DrawStep(deltas, nchs, prims, dndeta, i);
	396	}
b5c9a732	397	c->SaveAs("steps_comic.png");
797161e8	398	}
b5c9a732	399	//
	400	// EOF
	401	//
797161e8	402
797161e8	403