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C++ TIter::Reset方法代码示例

本文整理汇总了C++中TIter::Reset方法的典型用法代码示例。如果您正苦于以下问题:C++ TIter::Reset方法的具体用法?C++ TIter::Reset怎么用?C++ TIter::Reset使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TIter的用法示例。


在下文中一共展示了TIter::Reset方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: draw_network

void draw_network(TDirectory* d)
{
   Bool_t __PRINT_LOGO__ = kTRUE;

   // create canvas
   TStyle* TMVAStyle = gROOT->GetStyle("TMVA"); // the TMVA style
   Int_t canvasColor = TMVAStyle->GetCanvasColor(); // backup
   TMVAStyle->SetCanvasColor( c_DarkBackground );

   static icanvas = -1;
   icanvas++;
   TCanvas* c = new TCanvas( Form( "c%i", icanvas ), Form("Neural Network Layout for: %s", d->GetName()), 
                             100 + (icanvas)*40, 0 + (icanvas+1)*20, 1000, 650  );

   TIter next = d->GetListOfKeys();
   TKey *key;
   TString hName = "weights_hist";
   Int_t numHists = 0;

   // loop over all histograms with hName in name
   while (key = (TKey*)next()) {
      TClass *cl = gROOT->GetClass(key->GetClassName());
      if (!cl->InheritsFrom("TH2F")) continue;    
      TH2F *h = (TH2F*)key->ReadObj();    
      if (TString(h->GetName()).Contains( hName )) {
         numHists++;
      }
   }

   // loop over all histograms with hName in name again
   next.Reset();
   Double_t maxWeight = 0;

   // find max weight
   while (key = (TKey*)next()) {

      //cout << "Title: " << key->GetTitle() << endl;
      TClass *cl = gROOT->GetClass(key->GetClassName());
      if (!cl->InheritsFrom("TH2F")) continue;    

      TH2F* h = (TH2F*)key->ReadObj();    
      if (TString(h->GetName()).Contains( hName )){
 
         Int_t n1 = h->GetNbinsX();
         Int_t n2 = h->GetNbinsY();
         for (Int_t i = 0; i < n1; i++) {
            for (Int_t j = 0; j < n2; j++) {
               Double_t weight = TMath::Abs(h->GetBinContent(i+1, j+1));
               if (maxWeight < weight) maxWeight = weight;
            }
         }
      }
   }

   // draw network
   next.Reset();
   Int_t count = 0;
   while (key = (TKey*)next()) {

      TClass *cl = gROOT->GetClass(key->GetClassName());
      if (!cl->InheritsFrom("TH2F")) continue;    

      TH2F* h = (TH2F*)key->ReadObj();    
      if (TString(h->GetName()).Contains( hName )){
         draw_layer(c, h, count++, numHists+1, maxWeight);
      }
   }

   draw_layer_labels(numHists+1);

   // ============================================================
   if (__PRINT_LOGO__) TMVAGlob::plot_logo();
   // ============================================================  

   c->Update();

   TString fname = "plots/network";
   TMVAGlob::imgconv( c, fname );

   TMVAStyle->SetCanvasColor( canvasColor );
}
开发者ID:TopBrussels,项目名称:TopTreeAnalysisBase,代码行数:81,代码来源:network.C


注:本文中的TIter::Reset方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。