1 | |
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2 | /** \class ExRootResult |
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3 | * |
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4 | * Class simplifying work with histograms |
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5 | * |
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6 | * $Date: 2008-06-04 13:57:56 $ |
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7 | * $Revision: 1.1 $ |
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8 | * |
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9 | * |
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10 | * \author P. Demin - UCL, Louvain-la-Neuve |
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11 | * |
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12 | */ |
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13 | |
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14 | #include "ExRootAnalysis/ExRootResult.h" |
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15 | |
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16 | #include "ExRootAnalysis/ExRootUtilities.h" |
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17 | |
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18 | #include "TROOT.h" |
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19 | #include "TFile.h" |
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20 | #include "TClass.h" |
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21 | #include "TStyle.h" |
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22 | #include "TCanvas.h" |
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23 | #include "TLegend.h" |
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24 | #include "TPaveText.h" |
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25 | #include "TPaveStats.h" |
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26 | #include "TList.h" |
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27 | #include "TH2.h" |
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28 | #include "THStack.h" |
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29 | #include "TProfile.h" |
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30 | #include "TObjArray.h" |
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31 | #include "TFolder.h" |
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32 | |
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33 | #include <iostream> |
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34 | |
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35 | using namespace std; |
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36 | |
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37 | static const Font_t kExRootFont = 42; |
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38 | static const Float_t kExRootFontSize = 0.04; |
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39 | static const Color_t kExRootBackgroundColor = 10; |
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40 | |
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41 | //------------------------------------------------------------------------------ |
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42 | |
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43 | ExRootResult::ExRootResult() : fCanvas(0), fFolder(0) |
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44 | { |
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45 | } |
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46 | |
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47 | //------------------------------------------------------------------------------ |
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48 | |
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49 | ExRootResult::~ExRootResult() |
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50 | { |
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51 | set<TObject*>::iterator itPool; |
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52 | for(itPool = fPool.begin(); itPool != fPool.end(); ++itPool) |
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53 | { |
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54 | delete *itPool; |
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55 | } |
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56 | |
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57 | if(fCanvas) delete fCanvas; |
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58 | } |
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59 | |
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60 | //------------------------------------------------------------------------------ |
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61 | |
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62 | void ExRootResult::Reset() |
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63 | { |
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64 | } |
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65 | |
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66 | //------------------------------------------------------------------------------ |
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67 | |
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68 | void ExRootResult::Write(const char *fileName) |
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69 | { |
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70 | TObject *object; |
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71 | TDirectory *currentDirectory = gDirectory; |
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72 | TFile *file = new TFile(fileName, "RECREATE"); |
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73 | file->cd(); |
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74 | std::map<TObject*, PlotSettings>::iterator itPlotMap; |
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75 | for(itPlotMap = fPlotMap.begin(); itPlotMap != fPlotMap.end(); ++itPlotMap) |
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76 | { |
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77 | object = itPlotMap->first; |
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78 | object->Write(); |
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79 | } |
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80 | currentDirectory->cd(); |
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81 | delete file; |
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82 | } |
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83 | |
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84 | //------------------------------------------------------------------------------ |
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85 | |
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86 | void ExRootResult::CreateCanvas() |
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87 | { |
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88 | TDirectory *currentDirectory = gDirectory; |
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89 | |
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90 | // Graphics style parameters to avoid grey background on figures |
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91 | gStyle->SetCanvasColor(kExRootBackgroundColor); |
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92 | gStyle->SetStatColor(kExRootBackgroundColor); |
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93 | // gStyle->SetTitleColor(kExRootBackgroundColor); |
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94 | gStyle->SetPadColor(kExRootBackgroundColor); |
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95 | |
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96 | gStyle->SetPadTopMargin(0.10); |
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97 | gStyle->SetPadRightMargin(0.10); |
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98 | gStyle->SetPadBottomMargin(0.15); |
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99 | gStyle->SetPadLeftMargin(0.15); |
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100 | |
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101 | gStyle->SetStatFont(kExRootFont); |
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102 | gStyle->SetStatFontSize(kExRootFontSize); |
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103 | |
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104 | gStyle->SetTitleFont(kExRootFont, ""); |
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105 | gStyle->SetTitleFont(kExRootFont, "X"); |
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106 | gStyle->SetTitleFont(kExRootFont, "Y"); |
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107 | gStyle->SetTitleFont(kExRootFont, "Z"); |
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108 | gStyle->SetTitleSize(kExRootFontSize, ""); |
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109 | gStyle->SetTitleSize(kExRootFontSize, "X"); |
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110 | gStyle->SetTitleSize(kExRootFontSize, "Y"); |
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111 | gStyle->SetTitleSize(kExRootFontSize, "Z"); |
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112 | |
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113 | gStyle->SetLabelFont(kExRootFont, "X"); |
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114 | gStyle->SetLabelFont(kExRootFont, "Y"); |
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115 | gStyle->SetLabelFont(kExRootFont, "Z"); |
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116 | gStyle->SetLabelSize(kExRootFontSize, "X"); |
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117 | gStyle->SetLabelSize(kExRootFontSize, "Y"); |
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118 | gStyle->SetLabelSize(kExRootFontSize, "Z"); |
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119 | |
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120 | gStyle->SetPadTickX(1); |
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121 | gStyle->SetPadTickY(1); |
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122 | |
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123 | gStyle->SetTextFont(kExRootFont); |
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124 | gStyle->SetTextSize(kExRootFontSize); |
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125 | |
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126 | gStyle->SetOptStat(111110); |
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127 | // gStyle->SetOptFit(101); |
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128 | |
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129 | fCanvas = static_cast<TCanvas*>(gROOT->FindObject("c1")); |
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130 | if(fCanvas) |
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131 | { |
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132 | fCanvas->Clear(); |
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133 | fCanvas->UseCurrentStyle(); |
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134 | fCanvas->SetWindowSize(800, 650); |
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135 | } |
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136 | else |
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137 | { |
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138 | fCanvas = new TCanvas("c1", "c1", 800, 650); |
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139 | } |
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140 | fCanvas->SetLogy(0); |
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141 | fCanvas->SetHighLightColor(kExRootBackgroundColor); |
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142 | |
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143 | currentDirectory->cd(); |
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144 | } |
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145 | |
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146 | //------------------------------------------------------------------------------ |
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147 | |
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148 | TCanvas *ExRootResult::GetCanvas() |
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149 | { |
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150 | if(!fCanvas) CreateCanvas(); |
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151 | return fCanvas; |
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152 | } |
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153 | |
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154 | //------------------------------------------------------------------------------ |
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155 | |
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156 | void ExRootResult::Attach(TObject *plot, TObject *object) |
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157 | { |
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158 | if(!plot) return; |
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159 | |
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160 | std::map<TObject*, PlotSettings>::iterator itPlotMap = fPlotMap.find(plot); |
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161 | if(itPlotMap != fPlotMap.end()) |
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162 | { |
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163 | TObjArray *attachments = itPlotMap->second.attachments; |
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164 | if(!attachments) |
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165 | { |
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166 | attachments = new TObjArray(); |
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167 | itPlotMap->second.attachments = attachments; |
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168 | } |
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169 | attachments->Add(object); |
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170 | } |
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171 | } |
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172 | |
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173 | //------------------------------------------------------------------------------ |
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174 | |
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175 | void ExRootResult::PrintPlot(TObject *plot, const char *sufix, const char *format) |
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176 | { |
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177 | if(!plot) return; |
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178 | |
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179 | TCanvas *canvas = GetCanvas(); |
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180 | TH1 *histogram = 0; |
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181 | |
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182 | if(plot->IsA()->InheritsFrom(TH1::Class())) |
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183 | { |
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184 | histogram = static_cast<TH1*>(plot); |
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185 | } |
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186 | |
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187 | map<TObject*, PlotSettings>::iterator itPlotMap = fPlotMap.find(plot); |
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188 | if(itPlotMap != fPlotMap.end()) |
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189 | { |
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190 | PlotSettings settings = itPlotMap->second; |
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191 | |
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192 | canvas->SetLogx(settings.logx); |
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193 | if(histogram == 0 || histogram->Integral() > 0.0) |
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194 | { |
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195 | canvas->SetLogy(settings.logy); |
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196 | } |
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197 | else |
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198 | { |
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199 | canvas->SetLogy(0); |
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200 | } |
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201 | |
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202 | if(settings.attachments) |
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203 | { |
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204 | TIter iterator(settings.attachments); |
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205 | TObject *object; |
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206 | while((object = iterator())) |
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207 | { |
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208 | object->Draw(); |
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209 | } |
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210 | } |
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211 | } |
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212 | |
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213 | TString name = plot->GetName(); |
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214 | canvas->Print(name + sufix + "." + format); |
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215 | } |
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216 | |
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217 | //------------------------------------------------------------------------------ |
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218 | |
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219 | void ExRootResult::Print(const char *format) |
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220 | { |
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221 | PlotSettings settings; |
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222 | TObject *object; |
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223 | TH1 *histogram; |
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224 | THStack *stack; |
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225 | TPaveStats *stats; |
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226 | TString name; |
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227 | |
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228 | TCanvas *canvas = GetCanvas(); |
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229 | |
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230 | map<TObject*, PlotSettings>::iterator itPlotMap; |
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231 | |
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232 | for(itPlotMap = fPlotMap.begin(); itPlotMap != fPlotMap.end(); ++itPlotMap) |
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233 | { |
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234 | object = itPlotMap->first; |
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235 | settings = itPlotMap->second; |
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236 | name = object->GetName(); |
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237 | histogram = 0; |
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238 | stack = 0; |
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239 | |
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240 | if(object->IsA()->InheritsFrom(TH1::Class())) |
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241 | { |
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242 | histogram = static_cast<TH1*>(object); |
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243 | } |
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244 | else if(object->IsA()->InheritsFrom(THStack::Class())) |
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245 | { |
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246 | stack = static_cast<THStack*>(object); |
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247 | histogram = static_cast<TH1*>(stack->GetHists()->First()); |
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248 | } |
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249 | |
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250 | canvas->SetLogx(settings.logx); |
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251 | if(histogram == 0 || histogram->Integral() > 0.0) |
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252 | { |
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253 | canvas->SetLogy(settings.logy); |
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254 | } |
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255 | else |
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256 | { |
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257 | canvas->SetLogy(0); |
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258 | } |
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259 | |
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260 | if(object->IsA()->InheritsFrom(THStack::Class())) |
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261 | { |
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262 | object->Draw("nostack"); |
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263 | stack->GetXaxis()->SetTitle(histogram->GetXaxis()->GetTitle()); |
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264 | stack->GetYaxis()->SetTitle(histogram->GetYaxis()->GetTitle()); |
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265 | stack->GetXaxis()->SetTitleOffset(1.5); |
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266 | stack->GetYaxis()->SetTitleOffset(1.75); |
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267 | } |
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268 | else |
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269 | { |
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270 | object->Draw(); |
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271 | } |
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272 | |
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273 | canvas->Update(); |
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274 | |
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275 | if(histogram) |
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276 | { |
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277 | stats = static_cast<TPaveStats*>(histogram->FindObject("stats")); |
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278 | if(stats) |
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279 | { |
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280 | stats->SetX1NDC(0.67); |
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281 | stats->SetX2NDC(0.99); |
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282 | stats->SetY1NDC(0.77); |
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283 | stats->SetY2NDC(0.99); |
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284 | stats->SetTextFont(kExRootFont); |
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285 | stats->SetTextSize(kExRootFontSize); |
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286 | canvas->Draw(); |
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287 | } |
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288 | } |
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289 | |
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290 | if(settings.attachments) |
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291 | { |
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292 | TIter iterator(settings.attachments); |
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293 | while((object = iterator())) |
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294 | { |
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295 | object->Draw(); |
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296 | } |
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297 | } |
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298 | |
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299 | canvas->Print(name + "." + format); |
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300 | } |
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301 | } |
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302 | |
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303 | //------------------------------------------------------------------------------ |
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304 | |
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305 | TH1 *ExRootResult::AddHist1D(const char *name, const char *title, |
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306 | const char *xlabel, const char *ylabel, |
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307 | Int_t nxbins, Axis_t xmin, Axis_t xmax, |
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308 | Int_t logx, Int_t logy) |
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309 | { |
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310 | TH1F *hist = new TH1F(name, title, nxbins, xmin, xmax); |
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311 | PlotSettings settings; |
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312 | settings.logx = logx; |
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313 | settings.logy = logy; |
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314 | settings.attachments = 0; |
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315 | |
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316 | hist->GetXaxis()->SetTitle(xlabel); |
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317 | hist->GetYaxis()->SetTitle(ylabel); |
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318 | |
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319 | fPool.insert(hist); |
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320 | fPlotMap[hist] = settings; |
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321 | |
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322 | HistStyle(hist, kFALSE); |
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323 | if(fFolder) fFolder->Add(hist); |
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324 | return hist; |
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325 | } |
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326 | |
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327 | //------------------------------------------------------------------------------ |
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328 | |
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329 | TH1 *ExRootResult::AddHist1D(const char *name, const char *title, |
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330 | const char *xlabel, const char *ylabel, |
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331 | Int_t nxbins, const Float_t *bins, |
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332 | Int_t logx, Int_t logy) |
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333 | { |
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334 | TH1F *hist = new TH1F(name, title, nxbins, bins); |
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335 | PlotSettings settings; |
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336 | settings.logx = logx; |
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337 | settings.logy = logy; |
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338 | settings.attachments = 0; |
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339 | |
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340 | hist->GetXaxis()->SetTitle(xlabel); |
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341 | hist->GetYaxis()->SetTitle(ylabel); |
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342 | |
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343 | fPool.insert(hist); |
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344 | fPlotMap[hist] = settings; |
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345 | |
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346 | HistStyle(hist, kFALSE); |
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347 | if(fFolder) fFolder->Add(hist); |
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348 | return hist; |
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349 | } |
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350 | |
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351 | //------------------------------------------------------------------------------ |
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352 | |
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353 | TProfile *ExRootResult::AddProfile(const char *name, const char *title, |
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354 | const char *xlabel, const char *ylabel, |
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355 | Int_t nxbins, Axis_t xmin, Axis_t xmax, |
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356 | Int_t logx, Int_t logy) |
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357 | { |
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358 | TProfile *profile = new TProfile(name, title, nxbins, xmin, xmax); |
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359 | PlotSettings settings; |
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360 | settings.logx = logx; |
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361 | settings.logy = logy; |
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362 | settings.attachments = 0; |
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363 | |
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364 | profile->GetXaxis()->SetTitle(xlabel); |
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365 | profile->GetYaxis()->SetTitle(ylabel); |
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366 | |
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367 | fPool.insert(profile); |
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368 | fPlotMap[profile] = settings; |
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369 | |
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370 | HistStyle(profile, kFALSE); |
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371 | if(fFolder) fFolder->Add(profile); |
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372 | return profile; |
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373 | } |
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374 | |
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375 | //------------------------------------------------------------------------------ |
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376 | |
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377 | TH2 *ExRootResult::AddHist2D(const char *name, const char *title, |
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378 | const char *xlabel, const char *ylabel, |
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379 | Int_t nxbins, Axis_t xmin, Axis_t xmax, |
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380 | Int_t nybins, Axis_t ymin, Axis_t ymax, |
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381 | Int_t logx, Int_t logy) |
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382 | { |
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383 | TH2F *hist = new TH2F(name, title, nxbins, xmin, xmax, nybins, ymin, ymax); |
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384 | PlotSettings settings; |
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385 | settings.logx = logx; |
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386 | settings.logy = logy; |
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387 | settings.attachments = 0; |
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388 | |
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389 | hist->GetXaxis()->SetTitle(xlabel); |
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390 | hist->GetYaxis()->SetTitle(ylabel); |
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391 | |
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392 | fPool.insert(hist); |
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393 | fPlotMap[hist] = settings; |
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394 | |
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395 | HistStyle(hist, kFALSE); |
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396 | if(fFolder) fFolder->Add(hist); |
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397 | return hist; |
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398 | } |
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399 | |
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400 | //------------------------------------------------------------------------------ |
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401 | |
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402 | THStack *ExRootResult::AddHistStack(const char *name, const char *title) |
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403 | { |
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404 | THStack *stack = new THStack(name, title); |
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405 | PlotSettings settings; |
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406 | settings.logx = 0; |
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407 | settings.logy = 0; |
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408 | settings.attachments = 0; |
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409 | |
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410 | fPool.insert(stack); |
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411 | fPlotMap[stack] = settings; |
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412 | |
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413 | if(fFolder) fFolder->Add(stack); |
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414 | return stack; |
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415 | } |
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416 | |
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417 | //------------------------------------------------------------------------------ |
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418 | |
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419 | TPaveText *ExRootResult::AddComment(Double_t x1, Double_t y1, Double_t x2, Double_t y2) |
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420 | { |
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421 | TPaveText *comment = new TPaveText(x1, y1, x2, y2, "brNDC"); |
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422 | |
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423 | comment->SetTextSize(kExRootFontSize); |
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424 | comment->SetTextFont(kExRootFont); |
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425 | comment->SetTextAlign(22); |
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426 | comment->SetFillColor(kExRootBackgroundColor); |
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427 | comment->SetBorderSize(2); |
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428 | |
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429 | fPool.insert(comment); |
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430 | |
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431 | return comment; |
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432 | } |
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433 | |
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434 | //------------------------------------------------------------------------------ |
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435 | |
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436 | TLegend *ExRootResult::AddLegend(Double_t x1, Double_t y1, Double_t x2, Double_t y2) |
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437 | { |
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438 | TLegend *legend = new TLegend(x1, y1, x2, y2); |
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439 | |
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440 | legend->SetTextSize(kExRootFontSize); |
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441 | legend->SetTextFont(kExRootFont); |
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442 | legend->SetFillColor(kExRootBackgroundColor); |
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443 | legend->SetBorderSize(2); |
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444 | |
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445 | fPool.insert(legend); |
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446 | |
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447 | return legend; |
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448 | } |
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449 | |
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450 | //------------------------------------------------------------------------------ |
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