rootwc.C

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void change_prompt()
{
    TRint* rint = dynamic_cast<TRint*>(gApplication);
    if (!rint) return;

    rint->SetPrompt("RootWC: For all your WCSim needs [%d] ");
}

void t2k_style()
{
  // T2K style definition
  // Adopted from BaBar collaboration
  // Add the following lines to the start of your rootlogon.C file
  TStyle *t2kStyle= new TStyle("T2K","T2K approved plots style");

  // use plain black on white colors
  t2kStyle->SetFrameBorderMode(0);
  t2kStyle->SetCanvasBorderMode(0);
  t2kStyle->SetPadBorderMode(0);
  t2kStyle->SetPadColor(0);
  t2kStyle->SetCanvasColor(0);
  t2kStyle->SetStatColor(0);
  //t2kStyle->SetFillColor(0); // this doesn't seem to be over-ridable
  t2kStyle->SetLegendBorderSize(1); 

  // set the paper & margin sizes
  t2kStyle->SetPaperSize(20,26);
  t2kStyle->SetPadTopMargin(0.05);
  t2kStyle->SetPadRightMargin(0.05);
  t2kStyle->SetPadBottomMargin(0.16);
  t2kStyle->SetPadLeftMargin(0.13);

  // use large Times-Roman fonts
  t2kStyle->SetTextFont(132);
  t2kStyle->SetTextSize(0.08);
  t2kStyle->SetLabelFont(132,"x");
  t2kStyle->SetLabelFont(132,"y");
  t2kStyle->SetLabelFont(132,"z");
  t2kStyle->SetLabelSize(0.05,"x");
  t2kStyle->SetTitleSize(0.06,"x");
  t2kStyle->SetLabelSize(0.05,"y");
  t2kStyle->SetTitleSize(0.06,"y");
  t2kStyle->SetLabelSize(0.05,"z");
  t2kStyle->SetTitleSize(0.06,"z");
  t2kStyle->SetLabelFont(132,"t");
  t2kStyle->SetTitleFont(132,"x");
  t2kStyle->SetTitleFont(132,"y");
  t2kStyle->SetTitleFont(132,"z");
  t2kStyle->SetTitleFont(132,"t"); 
  t2kStyle->SetTitleFillColor(0);
  t2kStyle->SetTitleX(0.25);
  t2kStyle->SetTitleFontSize(0.08);
  t2kStyle->SetTitleFont(132,"pad");

  // use bold lines and markers
  t2kStyle->SetMarkerStyle(20);
  t2kStyle->SetHistLineWidth(2);
  t2kStyle->SetLineStyleString(2,"[12 12]"); // postscript dashes

  // get rid of X error bars and y error bar caps
  t2kStyle->SetErrorX(0.001);

  // do not display any of the standard histogram decorations
  t2kStyle->SetOptTitle(0);
  t2kStyle->SetOptStat(0);
  t2kStyle->SetOptFit(0);

  // put tick marks on top and RHS of plots
  t2kStyle->SetPadTickX(1);
  t2kStyle->SetPadTickY(1);

  //add the stat box
  t2kStyle->SetOptFit(1); // show fit results
  t2kStyle->SetOptStat(1100); // show mean & RMS only
  //t2kStyle->SetStatStyle(0); //make stat boxes see through
  //t2kStyle->SetStatBorderSize(0);
  //t2kStyle->SetTextFont(42); //less bold

  // Add a greyscale palette for 2D plots
  /*
  int ncol=50;
  double dcol = 1./float(ncol);
  double gray = 1;
  TColor **theCols = new TColor*[ncol];
  for (int i=0;i<ncol;i++) theCols[i] = new TColor(999-i,0.0,0.7,0.7);
  for (int j = 0; j < ncol; j++) {
    theCols[j]->SetRGB(gray,gray,gray);
    gray -= dcol;
  }
  int ColJul[100];
  for  (int i=0; i<100; i++) ColJul[i]=999-i;
  t2kStyle->SetPalette(ncol,ColJul);
  */

  //Define a nicer color palette (red->blue)
  //Uncomment these lines for a color palette (default is B&W)
  t2kStyle->SetPalette(1,0);  // use the nice red->blue palette
  const Int_t NRGBs = 5;
  const Int_t NCont = 255;

  Double_t stops[NRGBs] = { 0.00, 0.34, 0.61, 0.84, 1.00 };
  Double_t red[NRGBs]   = { 0.00, 0.00, 0.87, 1.00, 0.51 };
  Double_t green[NRGBs] = { 0.00, 0.81, 1.00, 0.20, 0.00 };
  Double_t blue[NRGBs]  = { 0.51, 1.00, 0.12, 0.00, 0.00 };
  TColor::CreateGradientColorTable(NRGBs, stops, red, green, blue, NCont);
  t2kStyle->SetNumberContours(NCont); 

}//End of definition of t2kStyle

void rootwc()
{   
    TString script_dir = gSystem->Getenv("WCSIM_BUILD_DIR");
    script_dir += "/bin/rootwc/";

    TString curr_dir = gSystem->pwd();

    gSystem->cd(script_dir.Data());

    gROOT->ProcessLine(".x $WCSIM_BUILD_DIR/bin/rootwc-files/loadincs.C");
    gROOT->ProcessLine(".x $WCSIM_BUILD_DIR/bin/rootwc-files/loadlibs.C");

    gSystem->cd(curr_dir.Data());

    change_prompt();

    t2k_style();
    gROOT->SetStyle("T2K");
}