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GeometryComparisonPlotter.cc
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1 #include "GeometryComparisonPlotter.h"
2 
3 /***********************************************************************************/
4 /* GEOMETRY COMPARISON PLOTTER */
5 /* See the talk of 15 January 2015 for short documentation and the example script. */
6 /* This code is highly commented if need be to upgrade it. */
7 /* Any further question is to be asked to Patrick Connor (patrick.connor@desy.de). */
8 /* Thanks a million <3 */
9 /***********************************************************************************/
10 
11 // NOTE: look for "TO DO" as a keyword to now what should be upgraded in later versions....
12 
13 
14 // modes
15 #define TALKATIVE // get some comments while processing
16 //#define DEBUG // get a lot of comments while processing + canvases -> resource-consuming!
17 
18 // MACROS
19 #define INSIDE_VECTOR(vector) \
20  cout << #vector << "={"; for (unsigned int i = 0 ; i < vector.size()-1 ; i++) cout << vector[i] << ","; cout << vector.back() << "}";
21 #define CHECK_MAP_CONTENT(m,type) \
22  for (map<TString,type>::iterator it = m.begin() ; it != m.end() ; it++) \
23  cout << __FILE__ << ":" << __LINE__ << ":Info: " << #m << "[" << it->first << "]=" << it->second << endl;
24 
25 // CONSTRUCTOR AND DESTRUCTOR
26 GeometryComparisonPlotter::GeometryComparisonPlotter (TString tree_file_name,
27  TString output_directory) :
28  _output_directory(output_directory + TString(output_directory.EndsWith("/") ? "" : "/")),
29  _output_filename("comparison.root"),
30  _print_option("pdf"),
31  _print(true), // print the graphs in a file (e.g. pdf)
32  _legend(true), // print the graphs in a file (e.g. pdf)
33  _write(true), // write the graphs in a root file
34  _batchMode(
35 #ifdef DEBUG
36  false // false = display canvases (very time- and resource-consuming)
37 #else
38  true // true = no canvases
39 #endif
40  ),
41  _1dModule(true), // cut on 1d modules
42  _2dModule(true), // cut on 2d modules
43  _levelCut (DEFAULT_LEVEL), // module level (see branch of same name)
44  _grid_x(0), // by default no display the grid in the canvases
45  _grid_y(0), // by default no display the grid in the canvases
46  _window_width(DEFAULT_WINDOW_WIDTH),
47  _window_height(DEFAULT_WINDOW_HEIGHT)
48 {
49 #ifdef TALKATIVE
50  cout << ">>> TALKATIVE MODE ACTIVATED <<<" << endl;
51 #endif
52 #ifdef DEBUG
53  cout << ">>> DEBUG MODE ACTIVATED <<<" << endl;
54  cout << __FILE__ << ":"<< __LINE__ << ":Info: inside constructor of GeometryComparisonPlotter utility"<< endl;
55 #endif
56 
57  //_sublevel_names = {"PXB", "PXF", "TIB", "TID", "TOB", "TEC"}; // C++11
58  _sublevel_names[0] = TString("PXB");
59  _sublevel_names[1] = TString("PXF");
60  _sublevel_names[2] = TString("TIB");
61  _sublevel_names[3] = TString("TID");
62  _sublevel_names[4] = TString("TOB");
63  _sublevel_names[5] = TString("TEC");
64  // TO DO: handle other structures
65 
66  // read tree
67  tree_file = new TFile(tree_file_name, "UPDATE");
68  data = (TTree*) tree_file->Get("alignTree");
69  // int branches
70  data->SetBranchAddress("id" ,&branch_i["id"]);
71  data->SetBranchAddress("mid" ,&branch_i["mid"]);
72  data->SetBranchAddress("level" ,&branch_i["level"]);
73  data->SetBranchAddress("mlevel" ,&branch_i["mlevel"]);
74  data->SetBranchAddress("sublevel" ,&branch_i["sublevel"]);
75  data->SetBranchAddress("useDetId" ,&branch_i["useDetId"]);
76  data->SetBranchAddress("detDim" ,&branch_i["detDim"]);
77  // float branches
78  data->SetBranchAddress("x" ,&branch_f["x"]);
79  data->SetBranchAddress("y" ,&branch_f["y"]);
80  data->SetBranchAddress("z" ,&branch_f["z"]);
81  data->SetBranchAddress("alpha" ,&branch_f["alpha"]);
82  data->SetBranchAddress("beta" ,&branch_f["beta"]);
83  data->SetBranchAddress("gamma" ,&branch_f["gamma"]);
84  data->SetBranchAddress("phi" ,&branch_f["phi"]);
85  data->SetBranchAddress("eta" ,&branch_f["eta"]);
86  data->SetBranchAddress("r" ,&branch_f["r"]);
87  data->SetBranchAddress("dx" ,&branch_f["dx"]);
88  data->SetBranchAddress("dy" ,&branch_f["dy"]);
89  data->SetBranchAddress("dz" ,&branch_f["dz"]);
90  data->SetBranchAddress("dphi" ,&branch_f["dphi"]);
91  data->SetBranchAddress("dr" ,&branch_f["dr"]);
92  data->SetBranchAddress("dalpha" ,&branch_f["dalpha"]);
93  data->SetBranchAddress("dbeta" ,&branch_f["dbeta"]);
94  data->SetBranchAddress("dgamma" ,&branch_f["dgamma"]);
95  if (data->GetBranch("rdphi") == 0x0) // in the case of rdphi branch not existing, it is created from r and dphi branches
96  {
97 #ifdef TALKATIVE
98  cout << __FILE__ << ":" << __LINE__ << ":Info: computing the rdphi branch from r and dphi branches (assuming they exist...)" << endl;
99 #endif
100  TBranch * br_rdphi = data->Branch("rdphi", &branch_f["rdphi"], "rdphi/F");
101  for (unsigned int ientry = 0 ; ientry < data->GetEntries() ; ientry++)
102  {
103  data->GetEntry(ientry);
104  branch_f["rdphi"] = branch_f["r"]*branch_f["dphi"];
105  br_rdphi->Fill();
106  }
107  }
108  else
109  data->SetBranchAddress("rdphi",&branch_f["rdphi"]);
110 
111 #ifdef DEBUG
112  cout << __FILE__ << ":" << __LINE__ << ":Info: branch addresses set" << endl;
113 #endif
114 
115  // style
116  gROOT->Reset();
117 
118  data->SetMarkerSize(0.5);
119  data->SetMarkerStyle(6);
120 
121  gStyle->SetOptStat("emr");
122  gStyle->SetTitleAlign(22);
123  gStyle->SetTitleX(0.5);
124  gStyle->SetTitleY(0.97);
125  gStyle->SetTitleFont(62);
126  //gStyle->SetOptTitle(0);
127 
128  gStyle->SetTextFont(132);
129  gStyle->SetTextSize(0.08);
130  gStyle->SetLabelFont(132,"x");
131  gStyle->SetLabelFont(132,"y");
132  gStyle->SetLabelFont(132,"z");
133  gStyle->SetTitleSize(0.08,"x");
134  gStyle->SetTitleSize(0.08,"y");
135  gStyle->SetTitleSize(0.08,"z");
136  gStyle->SetLabelSize(0.08,"x");
137  gStyle->SetLabelSize(0.08,"y");
138  gStyle->SetLabelSize(0.08,"z");
139 
140  gStyle->SetMarkerStyle(8);
141  gStyle->SetHistLineWidth(2);
142  gStyle->SetLineStyleString(2,"[12 12]"); // postscript dashes
143 
144  gStyle->SetFrameBorderMode(0);
145  gStyle->SetCanvasBorderMode(0);
146  gStyle->SetPadBorderMode(0);
147  gStyle->SetPadColor(0);
148  gStyle->SetCanvasColor(0);
149  gStyle->SetTitleColor(1);
150  gStyle->SetStatColor(0);
151  gStyle->SetStatBorderSize(1);
152  gStyle->SetFrameFillColor(0);
153 
154  gStyle->SetPadTickX(1);
155  gStyle->SetPadTickY(1);
156 
157  gStyle->SetPadTopMargin(0.1);
158  gStyle->SetPadRightMargin(0.05);
159  gStyle->SetPadBottomMargin(0.16);
160  gStyle->SetPadLeftMargin(0.18);
161 
162 #ifdef DEBUG
163  cout << __FILE__ << ":" << __LINE__ << ":Info: end of constructor" << endl;
164 #endif
165 }
166 
167 GeometryComparisonPlotter::~GeometryComparisonPlotter ()
168 {
169 #ifdef DEBUG
170  cout << __FILE__ << ":" << __LINE__ << ":Info: in destructor of the GeometryComparisonPlotter utility" << endl;
171 #endif
172  tree_file->Close();
173 #ifdef DEBUG
174  cout << __FILE__ << ":" << __LINE__ << ":Info: ending." << endl;
175 #endif
176 }
177 
178 // MAIN METHOD
179 void GeometryComparisonPlotter::MakePlots (vector<TString> x, // axes to combine to plot
180  vector<TString> y) // every combination (except the ones such that x=y) will be perfomed
181 {
183  // (we use a macro to avoid copy/paste)
184 #define CHECK_BRANCHES(branchname_vector) \
185  for (unsigned int i = 0 ; i < branchname_vector.size() ; i++) \
186  { \
187  if (branch_f.find(branchname_vector[i]) == branch_f.end()) \
188  { \
189  cout << __FILE__ << ":" << __LINE__ << ":Error: The branch " << branchname_vector[i] << " is not recognised." << endl; \
190  return; \
191  } \
192  }
193  CHECK_BRANCHES(x);
194  CHECK_BRANCHES(y);
195 
196  const unsigned int nentries = data->GetEntries();
197 
198 #ifdef TALKATIVE
199  cout << __FILE__ << ":" << __LINE__ << ":Info: "; INSIDE_VECTOR(x); cout << endl
200  << __FILE__ << ":" << __LINE__ << ":Info: "; INSIDE_VECTOR(y); cout << endl;
201 #endif
202 
204  // the max and min of the graphs are computed from the tree if they have not been manually input yet
205  // (we use a macro to avoid copy/paste)
206 #define LIMITS(axes_vector) \
207  for (unsigned int i = 0 ; i < axes_vector.size() ; i++) \
208  { \
209  if ( _SF.find(axes_vector[i]) == _SF.end()) _SF[axes_vector[i]] = 1.; \
210  if (_min.find(axes_vector[i]) == _min.end()) _min[axes_vector[i]] = _SF[axes_vector[i]]*data->GetMinimum(axes_vector[i]); \
211  if (_max.find(axes_vector[i]) == _max.end()) _max[axes_vector[i]] = _SF[axes_vector[i]]*data->GetMaximum(axes_vector[i]); \
212  }
213  LIMITS(x);
214  LIMITS(y);
215 
216 #ifdef TALKATIVE
217  CHECK_MAP_CONTENT(_min,float);
218  CHECK_MAP_CONTENT(_max,float);
219  CHECK_MAP_CONTENT(_SF ,float);
220 #endif
221 
223  // the idea is to produce at the end a table of 7 TMultiGraphs:
224  // - 0=Tracker, with color code for the different sublevels
225  // - 1..6=different sublevels, with color code for z < or > 0
226  // (convention: the six first (resp. last) correspond to z>0 (resp. z<0))
227  // This means that 2*6 TGraphs will be filled during the loop on the TTree,
228  // and will be arranged differently with different color codes in the TMultiGraphs
229 #ifndef NB_SUBLEVELS
230 #define NB_SUBLEVELS 6
231 #endif
232 #define NB_Z_SLICES 2
233  // Use different ordering of Plots in Multigraph if x.size()>y.size()
234  // Otherwise the plots are very squeezed
235  int nxPlots = 0;
236  int nyPlots = 0;
237  if (y.size() >= x.size()){
238  nxPlots = x.size();
239  nyPlots = y.size();
240  }
241  else{
242  nxPlots = y.size();
243  nyPlots = x.size();
244  }
245  cout << "nxPlots: " << nxPlots << endl;
246  cout << "nyPlots: " << nyPlots << endl;
247 
248  TGraph * graphs[nxPlots][nyPlots][NB_SUBLEVELS*NB_Z_SLICES];
249  long int ipoint[nxPlots][nyPlots][NB_SUBLEVELS*NB_Z_SLICES];
250 
251  TMultiGraph * mgraphs[nxPlots][nyPlots][1+NB_SUBLEVELS]; // the 0th is for global plots, the 1..6th for sublevel plots
252  TCanvas * c[nxPlots][nyPlots][1+NB_SUBLEVELS],
253  * c_global[1+NB_SUBLEVELS];
254  canvas_index++; // this static index is a safety used in case the MakePlots method is used several times to avoid overloading
255 
256  for (unsigned int ic = 0 ; ic <= NB_SUBLEVELS ; ic++)
257  {
258  c_global[ic] = new TCanvas (TString::Format("global_%s_%d", ic==0?"tracker":_sublevel_names[ic-1].Data(),
259  canvas_index),
260  TString::Format("Global overview of the %s variables", ic==0?"tracker":_sublevel_names[ic-1].Data()),
261  _window_width,
262  _window_height);
263  c_global[ic]->Divide(nxPlots,nyPlots);
264  }
265 
266  if (y.size() >= x.size()){
267  for (unsigned int ix = 0 ; ix < x.size() ; ix++)
268  {
269  for (unsigned int iy = 0 ; iy < y.size() ; iy++)
270  {
271  //if (x[ix] == y[iy]) continue; // do not plot graphs like (r,r) or (phi,phi)
272  for (unsigned int igraph = 0 ; igraph < NB_SUBLEVELS*NB_Z_SLICES ; igraph++)
273  {
274  // declaring
275  ipoint[ix][iy][igraph] = 0; // the purpose of an index for every graph is to avoid thousands of points at the origin of each
276  graphs[ix][iy][igraph] = new TGraph ();
277 #define COLOR_CODE(icolor) int(icolor/4)+icolor+1
278  graphs[ix][iy][igraph]->SetMarkerColor(COLOR_CODE(igraph));
279  graphs[ix][iy][igraph]->SetMarkerStyle(6);
280  // pimping
281  graphs[ix][iy][igraph]->SetName (x[ix]+y[iy]+_sublevel_names[igraph%NB_SUBLEVELS]+TString(igraph>=NB_SUBLEVELS ? "n" : "p" ));
282  graphs[ix][iy][igraph]->SetTitle( _sublevel_names[igraph%NB_SUBLEVELS]+TString(igraph>=NB_SUBLEVELS ? " at z<0": " at z>=0")
283  + TString (";") + LateXstyle(x[ix]) + " /" + _units[x[ix]]
284  + TString (";") + LateXstyle(y[iy]) + " /" + _units[y[iy]]);
285  graphs[ix][iy][igraph]->SetMarkerStyle(6);
286  }
287  }
288  }
289  }
290  else{
291  for (unsigned int ix = 0 ; ix < x.size() ; ix++)
292  {
293  for (unsigned int iy = 0 ; iy < y.size() ; iy++)
294  {
295  //if (x[ix] == y[iy]) continue; // do not plot graphs like (r,r) or (phi,phi)
296  for (unsigned int igraph = 0 ; igraph < NB_SUBLEVELS*NB_Z_SLICES ; igraph++)
297  {
298  // declaring
299  ipoint[iy][ix][igraph] = 0; // the purpose of an index for every graph is to avoid thousands of points at the origin of each
300  graphs[iy][ix][igraph] = new TGraph ();
301 #define COLOR_CODE(icolor) int(icolor/4)+icolor+1
302  graphs[iy][ix][igraph]->SetMarkerColor(COLOR_CODE(igraph));
303  graphs[iy][ix][igraph]->SetMarkerStyle(6);
304  // pimping
305  graphs[iy][ix][igraph]->SetName (x[ix]+y[iy]+_sublevel_names[igraph%NB_SUBLEVELS]+TString(igraph>=NB_SUBLEVELS ? "n" : "p" ));
306  graphs[iy][ix][igraph]->SetTitle( _sublevel_names[igraph%NB_SUBLEVELS]+TString(igraph>=NB_SUBLEVELS ? " at z<0": " at z>=0")
307  + TString (";") + LateXstyle(x[ix]) + " /" + _units[x[ix]]
308  + TString (";") + LateXstyle(y[iy]) + " /" + _units[y[iy]]);
309  graphs[iy][ix][igraph]->SetMarkerStyle(6);
310  }
311  }
312  }
313  }
314 #ifdef DEBUG
315  cout << __FILE__ << ":" << __LINE__ << ":Info: Creation of the TGraph[" << x.size() << "][" << y.size() << "][" << NB_SUBLEVELS*NB_Z_SLICES << "] ended." << endl;
316 #endif
317 
319 #ifdef DEBUG
320  cout << __FILE__ << ":" << __LINE__ << ":Info: Looping on the TTree" << endl;
321 #endif
322 #ifdef TALKATIVE
323  unsigned int progress = 0;
324  cout << __FILE__ << ":" << __LINE__ << ":Info: 0%" << endl;
325 #endif
326  for (unsigned int ientry = 0 ; ientry < nentries ; ientry++)
327  {
328 #ifdef TALKATIVE
329  if (10*ientry/nentries != progress)
330  {
331  progress = 10*ientry/nentries;
332  cout << __FILE__ << ":" << __LINE__ << ":Info: " << 10*progress << "%" << endl;
333  }
334 #endif
335  // load current tree entry
336  data->GetEntry(ientry);
337 
338  // CUTS on entry
339  if (branch_i["level"] != _levelCut) continue;
340  if (!_1dModule && branch_i["detDim"] == 1) continue;
341  if (!_2dModule && branch_i["detDim"] == 2) continue;
342 
343  // loop on the different couples of variables to plot in a graph
344  for (unsigned int ix = 0 ; ix < x.size() ; ix++)
345  {
346  // CUTS on x[ix]
347  if (_SF[x[ix]]*branch_f[x[ix]] > _max[x[ix]] || _SF[x[ix]]*branch_f[x[ix]] < _min[x[ix]])
348  {
349 //#ifdef DEBUG
350 // cout << "branch_f[x[ix]]=" << branch_f[x[ix]] << endl;
351 //#endif
352  continue;
353  }
354 
355  for (unsigned int iy = 0 ; iy < y.size() ; iy++)
356  {
357  // CUTS on y[iy]
358  //if (x[ix] == y[iy]) continue; // TO DO: handle display when such a case occurs
359  if (branch_i["sublevel"] < 1 || branch_i["sublevel"] > NB_SUBLEVELS) continue;
360  if (_SF[y[iy]]*branch_f[y[iy]] > _max[y[iy]] || _SF[y[iy]]*branch_f[y[iy]] < _min[y[iy]])
361  {
362 //#ifdef DEBUG
363 // cout << "branch_f[y[iy]]=" << branch_f[y[iy]] << endl;
364 //#endif
365  continue;
366  }
367 
368  // FILLING GRAPH
369  const short int igraph = (branch_i["sublevel"]-1) + (branch_f["z"]>=0?0:NB_SUBLEVELS);
370  if (y.size() >= x.size()){
371  graphs[ix][iy][igraph]->SetPoint(ipoint[ix][iy][igraph],
372  _SF[x[ix]]*branch_f[x[ix]],
373  _SF[y[iy]]*branch_f[y[iy]]);
374  ipoint[ix][iy][igraph]++;
375  }
376  else{
377  graphs[iy][ix][igraph]->SetPoint(ipoint[iy][ix][igraph],
378  _SF[x[ix]]*branch_f[x[ix]],
379  _SF[y[iy]]*branch_f[y[iy]]);
380  ipoint[iy][ix][igraph]++;
381  }
382  }
383  }
384  }
385 #ifdef TALKATIVE
386  cout << __FILE__ << ":" << __LINE__ << ":Info: 100%\tLoop ended" << endl;
387 #endif
388 
390  gROOT->SetBatch(_batchMode); // if true, then equivalent to "root -b", i.e. no canvas
391  if (_write)
392  { // opening the file to write the graphs
393  output = new TFile(_output_directory+TString(_output_filename), "UPDATE"); // possibly existing file will be updated, otherwise created
394  if (output->IsZombie())
395  {
396  cout << __FILE__ << ":" << __LINE__ << ":Error: Opening of " << _output_directory+TString(_output_filename) << " failed" << endl;
397  exit(-1);
398  }
399 #ifdef TALKATIVE
400  cout << __FILE__ << ":"<< __LINE__ << ":Info: output file is " << _output_directory+TString(_output_filename) << endl;
401 #endif
402  }
403  // declaring TMultiGraphs and TCanvas
404  // Usually more y variables than x variables
405  // creating TLegend
406  TLegend * legend = MakeLegend(.1,.92,.9,1.);
407  if (_write) legend->Write();
408 
409  if (y.size() >= x.size()){
410 #define INDEX_IN_GLOBAL_CANVAS(i1,i2) 1 + i1 + i2*x.size()
411  // running on the TGraphs to produce the TMultiGraph and draw/print them
412  for (unsigned int ix = 0 ; ix < x.size() ; ix++)
413  {
414 #ifdef DEBUG
415  cout << __FILE__ << ":" << __LINE__ << ":Info: x[" << ix << "]="<< x[ix] << endl;
416 #endif
417  // // left and right margin for drawing
418  // double left_margin_factor = 1.,
419  // right_margin_factor = 1.;
420  // if (_min[x[ix]] > 0) left_margin_factor = 0.9;
421  // else if (_min[x[ix]] < 0) left_margin_factor = 1.1;
422  // if (_max[x[ix]] > 0) right_margin_factor = 1.1;
423  // else if (_max[x[ix]] < 0) right_margin_factor = 0.9;
424  //#ifdef DEBUG
425  // cout << __FILE__ << ":" << __LINE__ << ":Info: left_margin_factor=" << left_margin_factor
426  // << " and right_margin_factor=" << right_margin_factor << endl;
427  //#endif
428  // looping on Y axes
429  for (unsigned int iy = 0 ; iy < y.size() ; iy++)
430  {
431  // // lower and upper margin for drawing
432  // double lower_margin_factor = 1.,
433  // upper_margin_factor = 1.;
434  // if (_min[y[iy]] > 0) lower_margin_factor = 0.9;
435  // else if (_min[y[iy]] < 0) lower_margin_factor = 1.1;
436  // if (_max[y[iy]] > 0) upper_margin_factor = 1.1;
437  // else if (_max[y[iy]] < 0) upper_margin_factor = 0.9;
438  //#ifdef DEBUG
439  // cout << __FILE__ << ":" << __LINE__ << ":Info: lower_margin_factor=" << lower_margin_factor
440  // << " and upper_margin_factor=" << upper_margin_factor << endl;
441  //#endif
442 
443 
444 #ifdef DEBUG
445  cout << __FILE__ << ":" << __LINE__ << ":Info: x[" << ix << "]=" << x[ix]
446  << " and y[" << iy << "]=" << y[iy]
447  << "\t-> creating TMultiGraph" << endl;
448 #endif
449  mgraphs[ix][iy][0] = new TMultiGraph (TString::Format("mgr_%s_vs_%s_tracker_%d", x[ix].Data(),
450  y[iy].Data(),
451  canvas_index), // name
452  //LateXstyle(x[ix]) + TString(" vs. ") + LateXstyle(y[iy]) + TString(" for Tracker") // graph title
453  TString (";") + LateXstyle(x[ix]) + " /" + _units[x[ix]] // x axis title
454  + TString (";") + LateXstyle(y[iy]) + " /" + _units[y[iy]]); // y axis title
455 
457  // fixing ranges and filling TMultiGraph
458  // for (unsigned short int jgraph = NB_SUBLEVELS*NB_Z_SLICES-1 ; jgraph >= 0 ; --jgraph)
459  for (unsigned short int jgraph = 0 ; jgraph < NB_SUBLEVELS*NB_Z_SLICES ; jgraph++)
460  {
461  unsigned short int igraph = NB_SUBLEVELS*NB_Z_SLICES - jgraph - 1; // reverse counting for humane readability (one of the sublevel takes much more place than the others)
462  //#ifdef DEBUG
463  // cout << __FILE__ << ":" << __LINE__ << ":Info: setting X-axis range of " << graphs[ix][iy][jgraph]->GetName() << endl;
464  //#endif
465  // graphs[ix][iy][jgraph]->GetXaxis()->SetLimits ( left_margin_factor*_min[x[ix]],
466  // right_margin_factor*_max[x[ix]]); // for X axis, use SetLimits
467  //#ifdef DEBUG
468  // cout << __FILE__ << ":" << __LINE__ << ":Info: setting Y-axis range of " << graphs[ix][iy][jgraph]->GetName() << endl;
469  //#endif
470  // graphs[ix][iy][jgraph]->GetYaxis()->SetRangeUser(lower_margin_factor*_min[y[iy]],
471  // upper_margin_factor*_max[y[iy]]); // for Y axis, use SetRangeUser
472  // // moreover, for the ranges to be effective in TMultiGraph, the option AP should be given for the first graph and
473  // // only P for the others (assuming all stacked graphs have received the same x- and y-ranges)
474 
475 #ifdef DEBUG
476  cout << __FILE__ << ":" << __LINE__ << ":Info: writing TGraph to file" << endl;
477 #endif
478  // write into root file
479  if (_write) graphs[ix][iy][igraph]->Write();
480  if (graphs[ix][iy][igraph]->GetN() == 0)
481  {
482 #ifdef TALKATIVE
483  cout << __FILE__ << ":" << __LINE__ << ":Info: " << graphs[ix][iy][igraph]->GetName() << " is empty." << endl;
484 #endif
485  continue;
486  }
487 #ifdef DEBUG
488  cout << __FILE__ << ":" << __LINE__ << ":Info: cloning, coloring and adding TGraph "
489  << _sublevel_names[igraph%NB_SUBLEVELS]
490  << (igraph >= NB_SUBLEVELS ? "(z<0)" : "(z>0)")
491  << " to global TMultiGraph" << endl;
492 #endif
493  // clone to prevent any injure on the graph
494  TGraph * gr = (TGraph *) graphs[ix][iy][igraph]->Clone();
495  // color
496  gr->SetMarkerColor(COLOR_CODE(igraph%NB_SUBLEVELS));
497  mgraphs[ix][iy][0]->Add(gr, "P");//, (mgraphs[ix][iy][0]->GetListOfGraphs()==0?"AP":"P"));
498  }
499 
501  for (unsigned int isublevel = 1 ; isublevel <= NB_SUBLEVELS ; isublevel++)
502  {
503 #ifdef DEBUG
504  cout << __FILE__ << ":" << __LINE__ << ":Info: cloning, coloring and adding TGraph "
505  << _sublevel_names[isublevel-1] << " to sublevel TMultiGraph" << endl;
506 #endif
507  mgraphs[ix][iy][isublevel] = new TMultiGraph (TString::Format("%s_vs_%s_%s_%d", x[ix].Data(),
508  y[iy].Data(),
509  _sublevel_names[isublevel-1].Data(),
510  canvas_index), // name
511  //LateXstyle(x[ix]) + TString(" vs. ") + LateXstyle(y[iy]) + TString(" for ") +
512  _sublevel_names[isublevel-1] // graph title
513  + TString (";") + LateXstyle(x[ix]) + " /" + _units[x[ix]] // x axis title
514  + TString (";") + LateXstyle(y[iy]) + " /" + _units[y[iy]]); // y axis title
515  graphs[ix][iy][ isublevel-1]->SetMarkerColor(kBlack);
516  graphs[ix][iy][NB_SUBLEVELS+isublevel-1]->SetMarkerColor(kRed);
517  if (graphs[ix][iy][ isublevel-1]->GetN() > 0) mgraphs[ix][iy][isublevel]->Add(graphs[ix][iy][ isublevel-1], "P"); //(mgraphs[ix][iy][isublevel-1]->GetListOfGraphs()==0?"AP":"P")); // z>0
518 #ifdef TALKATIVE
519  else cout << __FILE__ << ":" << __LINE__ << ":Info: graphs[ix][iy][isublevel-1]=" << graphs[ix][iy][isublevel-1]->GetName() << " is empty -> not added into " << mgraphs[ix][iy][isublevel]->GetName() << endl;
520 #endif
521  if (graphs[ix][iy][NB_SUBLEVELS+isublevel-1]->GetN() > 0) mgraphs[ix][iy][isublevel]->Add(graphs[ix][iy][NB_SUBLEVELS+isublevel-1], "P"); //(mgraphs[ix][iy][isublevel-1]->GetListOfGraphs()==0?"AP":"P")); // z<0
522 #ifdef TALKATIVE
523  else cout << __FILE__ << ":" << __LINE__ << ":Info: graphs[ix][iy][NB_SUBLEVEL+isublevel-1]=" << graphs[ix][iy][NB_Z_SLICES+isublevel-1]->GetName() << " is empty -> not added into " << mgraphs[ix][iy][isublevel]->GetName() << endl;
524 #endif
525 #if NB_Z_SLICES!=2
526  cout << __FILE__ << ":" << __LINE__ << ":Error: color code incomplete for Z slices..." << endl;
527 #endif
528  }
529 
530  // fixing ranges, saving, and drawing of TMultiGraph (tracker AND sublevels, i.e. 1+NB_SUBLEVELS objects)
531  // the individual canvases are saved, but the global are just drawn and will be saved later
532  for (unsigned short int imgr = 0 ; imgr <= NB_SUBLEVELS ; imgr++)
533  {
534 #ifdef DEBUG
535  cout << __FILE__ << ":" << __LINE__ << ":Info: treating individual canvases." << endl;
536 #endif
537  // drawing into individual canvas and printing it (including a legend for the tracker canvas)
538  c[ix][iy][imgr] = new TCanvas (TString::Format("c_%s_vs_%s_%s_%d", x[ix].Data(),
539  y[iy].Data(),
540  imgr==0?"tracker":_sublevel_names[imgr-1].Data(),
541  canvas_index),
542  TString::Format("%s vs. %s at %s level", x[ix].Data(),
543  y[iy].Data(),
544  imgr==0?"tracker":_sublevel_names[imgr-1].Data()),
545  _window_width,
546  _window_height);
547  c[ix][iy][imgr]->SetGrid(_grid_x,_grid_y); // grid
548  if (mgraphs[ix][iy][imgr]->GetListOfGraphs() != 0) mgraphs[ix][iy][imgr]->Draw("A");
549  if (imgr == 0 && _legend) legend->Draw(); // only for the tracker
550  if (_print) c[ix][iy][imgr]->Print(_output_directory + mgraphs[ix][iy][imgr]->GetName() + ExtensionFromPrintOption(_print_option), _print_option);
551 
552  // // setting ranges
553  //#ifdef DEBUG
554  // cout << __FILE__ << ":" << __LINE__ << ":Info: setting X-axis range of " << mgraphs[ix][iy][imgr]->GetName() << endl;
555  //#endif
556  // mgraphs[ix][iy][imgr]->GetXaxis()->SetLimits ( left_margin_factor*_min[x[ix]],
557  // right_margin_factor*_max[x[ix]]); // for X axis, use SetLimits
558  //#ifdef DEBUG
559  // cout << __FILE__ << ":" << __LINE__ << ":Info: setting Y-axis range of " << graphs[ix][iy][imgr]->GetName() << endl;
560  //#endif
561  // mgraphs[ix][iy][imgr]->GetYaxis()->SetRangeUser(lower_margin_factor*_min[y[iy]],
562  // upper_margin_factor*_max[y[iy]]); // for Y axis, use SetRangeUser
563 
564  // writing into root file
565  if (_write) mgraphs[ix][iy][imgr]->Write();
566 
567  // drawing into global canvas
568  c_global[imgr]->cd(INDEX_IN_GLOBAL_CANVAS(ix,iy));
569  c_global[imgr]->GetPad(INDEX_IN_GLOBAL_CANVAS(ix,iy))->SetFillStyle(4000); // make the pad transparent
570  c_global[imgr]->GetPad(INDEX_IN_GLOBAL_CANVAS(ix,iy))->SetGrid(_grid_x,_grid_y); // grid
571  if (mgraphs[ix][iy][imgr]->GetListOfGraphs() != 0) mgraphs[ix][iy][imgr]->Draw("A");
572  // printing will be performed after customisation (e.g. legend or title) just after the loops on ix and iy
573  }
574  } // end of loop on y
575  } // end of loop on x
576  }
577 
578  // Use different ordering of Plots in Multigraph if x.size()>y.size()
579  // Otherwise the plots are very squeezed
580  else{
581 #define INDEX_IN_GLOBAL_CANVAS_Y(i1,i2) 1 + i1 + i2*y.size()
582  // creating TLegend
583  TLegend * legend = MakeLegend(.1,.92,.9,1.);
584  if (_write) legend->Write();
585  // running on the TGraphs to produce the TMultiGraph and draw/print them
586  for (unsigned int ix = 0 ; ix < x.size() ; ix++)
587  {
588 #ifdef DEBUG
589  cout << __FILE__ << ":" << __LINE__ << ":Info: x[" << ix << "]="<< x[ix] << endl;
590 #endif
591 
592  // looping on Y axes
593  for (unsigned int iy = 0 ; iy < y.size() ; iy++)
594  {
595 
596 #ifdef TALKATIVE
597  cout << __FILE__ << ":" << __LINE__ << ":Info: x[" << ix << "]=" << x[ix]
598  << " and y[" << iy << "]=" << y[iy]
599  << "\t-> creating TMultiGraph" << endl;
600 #endif
601  mgraphs[iy][ix][0] = new TMultiGraph (TString::Format("mgr_%s_vs_%s_tracker_%d", x[ix].Data(),
602  y[iy].Data(),
603  canvas_index), // name
604  //LateXstyle(x[ix]) + TString(" vs. ") + LateXstyle(y[iy]) + TString(" for Tracker") // graph title
605  TString (";") + LateXstyle(x[ix]) + " /" + _units[x[ix]] // x axis title
606  + TString (";") + LateXstyle(y[iy]) + " /" + _units[y[iy]]); // y axis title
607 
609  // fixing ranges and filling TMultiGraph
610  // for (unsigned short int jgraph = NB_SUBLEVELS*NB_Z_SLICES-1 ; jgraph >= 0 ; --jgraph)
611  for (unsigned short int jgraph = 0 ; jgraph < NB_SUBLEVELS*NB_Z_SLICES ; jgraph++)
612  {
613  unsigned short int igraph = NB_SUBLEVELS*NB_Z_SLICES - jgraph - 1; // reverse counting for humane readability (one of the sublevel takes much more place than the others)
614 
615 
616 #ifdef DEBUG
617  cout << __FILE__ << ":" << __LINE__ << ":Info: writing TGraph to file" << endl;
618 #endif
619  // write into root file
620  if (_write) graphs[iy][ix][igraph]->Write();
621  if (graphs[iy][ix][igraph]->GetN() == 0)
622  {
623 #ifdef TALKATIVE
624  cout << __FILE__ << ":" << __LINE__ << ":Info: " << graphs[iy][ix][igraph]->GetName() << " is empty." << endl;
625 #endif
626  continue;
627  }
628 #ifdef DEBUG
629  cout << __FILE__ << ":" << __LINE__ << ":Info: cloning, coloring and adding TGraph "
630  << _sublevel_names[igraph%NB_SUBLEVELS]
631  << (igraph >= NB_SUBLEVELS ? "(z<0)" : "(z>0)")
632  << " to global TMultiGraph" << endl;
633 #endif
634  // clone to prevent any injure on the graph
635  TGraph * gr = (TGraph *) graphs[iy][ix][igraph]->Clone();
636  // color
637  gr->SetMarkerColor(COLOR_CODE(igraph%NB_SUBLEVELS));
638  mgraphs[iy][ix][0]->Add(gr, "P");//, (mgraphs[iy][ix][0]->GetListOfGraphs()==0?"AP":"P"));
639  }
640 
642  for (unsigned int isublevel = 1 ; isublevel <= NB_SUBLEVELS ; isublevel++)
643  {
644 
645 #ifdef DEBUG
646  cout << __FILE__ << ":" << __LINE__ << ":Info: cloning, coloring and adding TGraph "
647  << _sublevel_names[isublevel-1] << " to sublevel TMultiGraph" << endl;
648 #endif
649  mgraphs[iy][ix][isublevel] = new TMultiGraph (TString::Format("%s_vs_%s_%s_%d", x[ix].Data(),
650  y[iy].Data(),
651  _sublevel_names[isublevel-1].Data(),
652  canvas_index), // name
653  //LateXstyle(x[ix]) + TString(" vs. ") + LateXstyle(y[iy]) + TString(" for ") +
654  _sublevel_names[isublevel-1] // graph title
655  + TString (";") + LateXstyle(x[ix]) + " /" + _units[x[ix]] // x axis title
656  + TString (";") + LateXstyle(y[iy]) + " /" + _units[y[iy]]); // y axis title
657  graphs[iy][ix][ isublevel-1]->SetMarkerColor(kBlack);
658  graphs[iy][ix][NB_SUBLEVELS+isublevel-1]->SetMarkerColor(kRed);
659  if (graphs[iy][ix][ isublevel-1]->GetN() > 0) mgraphs[iy][ix][isublevel]->Add(graphs[iy][ix][ isublevel-1], "P"); //(mgraphs[iy][ix][isublevel-1]->GetListOfGraphs()==0?"AP":"P")); // z>0
660 #ifdef TALKATIVE
661  else cout << __FILE__ << ":" << __LINE__ << ":Info: graphs[iy][ix][isublevel-1]=" << graphs[iy][ix][isublevel-1]->GetName() << " is empty -> not added into " << mgraphs[iy][ix][isublevel]->GetName() << endl;
662 #endif
663  if (graphs[iy][ix][NB_SUBLEVELS+isublevel-1]->GetN() > 0) mgraphs[iy][ix][isublevel]->Add(graphs[iy][ix][NB_SUBLEVELS+isublevel-1], "P"); //(mgraphs[iy][ix][isublevel-1]->GetListOfGraphs()==0?"AP":"P")); // z<0
664 #ifdef TALKATIVE
665  else cout << __FILE__ << ":" << __LINE__ << ":Info: graphs[iy][ix][NB_SUBLEVEL+isublevel-1]=" << graphs[iy][ix][NB_Z_SLICES+isublevel-1]->GetName() << " is empty -> not added into " << mgraphs[iy][ix][isublevel]->GetName() << endl;
666 #endif
667 #if NB_Z_SLICES!=2
668  cout << __FILE__ << ":" << __LINE__ << ":Error: color code incomplete for Z slices..." << endl;
669 #endif
670  }
671 
672  // fixing ranges, saving, and drawing of TMultiGraph (tracker AND sublevels, i.e. 1+NB_SUBLEVELS objects)
673  // the individual canvases are saved, but the global are just drawn and will be saved later
674  for (unsigned short int imgr = 0 ; imgr <= NB_SUBLEVELS ; imgr++)
675  {
676 #ifdef DEBUG
677  cout << __FILE__ << ":" << __LINE__ << ":Info: treating individual canvases." << endl;
678 #endif
679  // drawing into individual canvas and printing it (including a legend for the tracker canvas)
680  c[iy][ix][imgr] = new TCanvas (TString::Format("c_%s_vs_%s_%s_%d", x[ix].Data(),
681  y[iy].Data(),
682  imgr==0?"tracker":_sublevel_names[imgr-1].Data(),
683  canvas_index),
684  TString::Format("%s vs. %s at %s level", x[ix].Data(),
685  y[iy].Data(),
686  imgr==0?"tracker":_sublevel_names[imgr-1].Data()),
687  _window_width,
688  _window_height);
689  c[iy][ix][imgr]->SetGrid(_grid_y,_grid_x); // grid
690  if (mgraphs[iy][ix][imgr]->GetListOfGraphs() != 0) mgraphs[iy][ix][imgr]->Draw("A");
691  if (imgr == 0 && _legend) legend->Draw(); // only for the tracker
692  if (_print) c[iy][ix][imgr]->Print(_output_directory + mgraphs[iy][ix][imgr]->GetName() + ExtensionFromPrintOption(_print_option), _print_option);
693 
694 
695 
696  // writing into root file
697  if (_write) mgraphs[iy][ix][imgr]->Write();
698 
699  // drawing into global canvas
700  c_global[imgr]->cd(INDEX_IN_GLOBAL_CANVAS_Y(iy,ix));
701  c_global[imgr]->GetPad(INDEX_IN_GLOBAL_CANVAS_Y(iy,ix))->SetFillStyle(4000); // make the pad transparent
702  c_global[imgr]->GetPad(INDEX_IN_GLOBAL_CANVAS_Y(iy,ix))->SetGrid(_grid_y,_grid_x); // grid
703  if (mgraphs[iy][ix][imgr]->GetListOfGraphs() != 0) mgraphs[iy][ix][imgr]->Draw("A");
704  // printing will be performed after customisation (e.g. legend or title) just after the loops on ix and iy
705  }
706  } // end of loop on y
707  } // end of loop on x
708  }
709 
710 
711  // CUSTOMISATION
712  gStyle->SetOptTitle(0); // otherwise, the title is repeated in every pad of the global canvases
713  // -> instead, we will write it in the upper part in a TPaveText or in a TLegend
714  for (unsigned int ic = 0 ; ic <= NB_SUBLEVELS ; ic++)
715  {
716  c_global[ic]->Draw();
717 
718  // setting legend to tracker canvases
719  if (!_legend) break;
720  TCanvas * c_temp = (TCanvas *) c_global[ic]->Clone(c_global[ic]->GetTitle() + TString("_sub"));
721  c_temp->Draw();
722  c_global[ic] = new TCanvas (c_temp->GetName() + TString("_final"), c_temp->GetTitle(), c_temp->GetWindowWidth(), c_temp->GetWindowHeight());
723  c_global[ic]->Draw();
724  TPad * p_up = new TPad (TString("legend_") + c_temp->GetName(), "",
725  0., 0.9, 1., 1., // relative position
726  -1, 0, 0), // display options
727  * p_down = new TPad (TString("main_") + c_temp->GetName(), "",
728  0., 0., 1., 0.9,
729  -1, 0, 0);
730  // in the lower part, draw the plots
731  p_down->Draw();
732  p_down->cd();
733  c_temp->DrawClonePad();
734  c_global[ic]->cd();
735  // in the upper part, pimp the canvas :p
736  p_up->Draw();
737  p_up->cd();
738  if (ic == 0) // tracker
739  {
740  TLegend * global_legend = MakeLegend(.05,.1,.95,.8);//, "brNDC");
741  global_legend->Draw();
742  }
743  else // sublevels
744  {
745  TPaveText * pt = new TPaveText(.05,.1,.95,.8, "NB");
746  pt->SetFillColor(0);
747  pt->AddText(_sublevel_names[ic-1]);
748  pt->Draw();
749  }
750  // printing
751  if (_print) c_global[ic]->Print(_output_directory + c_global[ic]->GetName() + ExtensionFromPrintOption(_print_option), _print_option);
752  if (_write) c_global[ic]->Write();
753  }
754 
755  // printing global canvases
756  if (_write) output->Close();
757 #ifdef TALKATIVE
758  cout << __FILE__ << ":" << __LINE__ << ":Info: End of MakePlots method" << endl;
759 #endif
760 
761 }
762 
763 // OPTION METHODS
764 void GeometryComparisonPlotter::SetPrint (const bool kPrint) { _print = kPrint ; }
765 void GeometryComparisonPlotter::SetLegend (const bool kLegend) { _legend = kLegend ; }
766 void GeometryComparisonPlotter::SetWrite (const bool kWrite) { _write = kWrite ; }
767 void GeometryComparisonPlotter::Set1dModule (const bool k1dModule) { _1dModule = k1dModule ; }
768 void GeometryComparisonPlotter::Set2dModule (const bool k2dModule) { _2dModule = k2dModule ; }
769 void GeometryComparisonPlotter::SetLevelCut (const int kLevelCut) { _levelCut = kLevelCut ; }
770 void GeometryComparisonPlotter::SetBatchMode (const bool kBatchMode) { _batchMode = kBatchMode ; }
771 void GeometryComparisonPlotter::SetGrid (const int kGridX,
772  const int kGridY) { _grid_x = kGridX ;
773  _grid_y = kGridY ; }
774 void GeometryComparisonPlotter::SetBranchMax (const TString branchname,
775  const float max) { _max[branchname] = max ; }
776 void GeometryComparisonPlotter::SetBranchMin (const TString branchname,
777  const float min) { _min[branchname] = min ; }
778 void GeometryComparisonPlotter::SetBranchSF (const TString branchname,
779  const float SF) { _SF[branchname] = SF ; }
780 void GeometryComparisonPlotter::SetBranchUnits (const TString branchname,
781  const TString units) { _units[branchname] = units ; }
782 void GeometryComparisonPlotter::SetPrintOption (const Option_t * print_option) { _print_option = print_option ; }
783 void GeometryComparisonPlotter::SetCanvasSize (const int window_width,
784  const int window_height) { _window_width = window_width ;
785  _window_height = window_height ; }
786 void GeometryComparisonPlotter::SetOutputFileName (const TString name) { _output_filename = name ; }
787 void GeometryComparisonPlotter::SetOutputDirectoryName (const TString name) { _output_directory = name
788  + TString(name.EndsWith("/") ? "" : "/") ; }
789 
790 // PRIVATE METHODS
791 TString GeometryComparisonPlotter::LateXstyle (TString word)
792 {
793  word.ToLower();
794  if (word.BeginsWith("d")) word.ReplaceAll("d", "#Delta");
795  if (word == TString("rdphi")) word = "r#Delta#phi"; // TO DO: find something less ad hoc...
796  else if (word.EndsWith("phi")) word.ReplaceAll("phi", "#phi");
797  else if (word.EndsWith("alpha")) word.ReplaceAll("alpha", "#alpha");
798  else if (word.EndsWith("beta")) word.ReplaceAll("beta" , "#beta");
799  else if (word.EndsWith("gamma")) word.ReplaceAll("gamma", "#gamma");
800  else if (word.EndsWith("eta")) word.ReplaceAll("eta", "#eta");
801  return word;
802 }
803 
804 TString GeometryComparisonPlotter::ExtensionFromPrintOption (TString print_option)
805 {
806  if (print_option.Contains("pdf" )) return TString(".pdf" );
807  else if (print_option.Contains("eps" )) return TString(".eps" );
808  else if (print_option.Contains("ps" )) return TString(".ps" );
809  else if (print_option.Contains("svg" )) return TString(".svg" );
810  else if (print_option.Contains("tex" )) return TString(".tex" );
811  else if (print_option.Contains("gif" )) return TString(".gif" );
812  else if (print_option.Contains("xpm" )) return TString(".xpm" );
813  else if (print_option.Contains("png" )) return TString(".png" );
814  else if (print_option.Contains("jpg" )) return TString(".jpg" );
815  else if (print_option.Contains("tiff")) return TString(".tiff");
816  else if (print_option.Contains("cxx" )) return TString(".cxx" );
817  else if (print_option.Contains("xml" )) return TString(".xml" );
818  else if (print_option.Contains("root")) return TString(".root");
819  else
820  {
821  cout << __FILE__ << ":" << __LINE__ << ":Warning: unknown format. Returning .pdf, but possibly wrong..." << endl;
822  return TString(".pdf");
823  }
824 }
825 
826 TLegend * GeometryComparisonPlotter::MakeLegend (double x1,
827  double y1,
828  double x2,
829  double y2,
830  const TString title)
831 {
832  TLegend * legend = new TLegend (x1, y1, x2, y2, title.Data(), "NBNDC");
833  legend->SetNColumns(NB_SUBLEVELS);
834  legend->SetFillColor(0);
835  legend->SetLineColor(0); // redundant with option
836  legend->SetLineWidth(0); // redundant with option
837  for (unsigned int isublevel = 0 ; isublevel < NB_SUBLEVELS ; isublevel++)
838  {
839  TGraph * g = new TGraph (0);
840  g->SetMarkerColor(COLOR_CODE(isublevel));
841  g->SetFillColor(COLOR_CODE(isublevel));
842  g->SetMarkerStyle(kFullSquare);
843  g->SetMarkerSize(10);
844  legend->AddEntry(g,_sublevel_names[isublevel], "p");
845  }
846  return legend;
847 }
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