Style.cxx

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//____________________________________________________________________________
/*
 Copyright (c) 2003-2017, GENIE Neutrino MC Generator Collaboration
 For the full text of the license visit http://copyright.genie-mc.org
 or see $GENIE/LICENSE

 Author: Costas Andreopoulos <costas.andreopoulos \at stfc.ac.uk>
         University of Liverpool & STFC Rutherford Appleton Lab 

 For documentation see the corresponding header file.

 Important revisions after version 2.0.0 :
 @ Jul 29, 2010 - CA
   Added in v2.7.1

*/
//____________________________________________________________________________

#include <TROOT.h>
#include <TStyle.h>
#include <TColor.h>
#include <TGraph.h>
#include <TH1.h>

#include "Utils/Style.h"

//___________________________________________________________________________
void genie::utils::style::SetDefaultStyle(bool black_n_white)
{
  gROOT->SetStyle("Plain");

  gStyle -> SetPadTickX (1);
  gStyle -> SetPadTickY (1);

  //
  // Turn off all borders
  //
  gStyle -> SetCanvasBorderMode (0);
  gStyle -> SetFrameBorderMode  (0);
  gStyle -> SetPadBorderMode    (0);
  gStyle -> SetDrawBorder       (0);
  gStyle -> SetCanvasBorderSize (0);
  gStyle -> SetFrameBorderSize  (0);
  gStyle -> SetPadBorderSize    (0);
  gStyle -> SetTitleBorderSize  (0);

  //
  // Set the size of the default canvas
  //
  gStyle -> SetCanvasDefH (600);
  gStyle -> SetCanvasDefW (730);
  gStyle -> SetCanvasDefX  (10);
  gStyle -> SetCanvasDefY  (10);

  //
  // Set marker style
  //
  gStyle -> SetMarkerStyle (20);
  gStyle -> SetMarkerSize   (1);

  //
  // Set line widths
  //
  gStyle -> SetFrameLineWidth (1);
  gStyle -> SetFuncWidth      (2);
  gStyle -> SetHistLineWidth  (3);
  gStyle -> SetFuncColor      (2);
  gStyle -> SetFuncWidth      (3);

  //
  // Set margins 
  //
  gStyle -> SetPadTopMargin    (0.10);
  gStyle -> SetPadBottomMargin (0.20);
  gStyle -> SetPadLeftMargin   (0.15);
  gStyle -> SetPadRightMargin  (0.03);

  //
  // Set tick marks and turn off grids
  //
  gStyle -> SetNdivisions (505,"xyz");

  //
  // Adjust size and placement of axis labels
  //
  gStyle -> SetLabelSize   (0.050,  "xyz");
  gStyle -> SetLabelOffset (0.005,  "x"  );
  gStyle -> SetLabelOffset (0.005,  "y"  );
  gStyle -> SetLabelOffset (0.005,  "z"  );
  gStyle -> SetTitleSize   (0.060,  "xyz");
  gStyle -> SetTitleOffset (1.200,  "xz" );
  gStyle -> SetTitleOffset (1.000,  "y"  );

  // Set Data/Stat/... and other options
  //
  gStyle -> SetOptDate          (0);
  gStyle -> SetOptFile          (0);
  gStyle -> SetOptStat          (0);
  gStyle -> SetStatFormat       ("6.2f");
  gStyle -> SetFitFormat        ("8.4f");
  gStyle -> SetOptFit           (1);
  gStyle -> SetStatH            (0.20);
  gStyle -> SetStatStyle        (0);
  gStyle -> SetStatW            (0.30);
  gStyle -> SetStatX            (0.845);
  gStyle -> SetStatY            (0.845);
  gStyle -> SetOptTitle         (0);
  gStyle -> SetTitleX           (0.15);
  gStyle -> SetTitleW           (0.75);
  gStyle -> SetTitleY           (0.90);
  gStyle -> SetPalette          (1);
  gStyle -> SetLegendBorderSize (0);

  //
  // Set paper size for life in the US or EU
  //
  gStyle -> SetPaperSize (TStyle::kA4);       //<-- tartes aux fraises
//gStyle -> SetPaperSize (TStyle::kUSLetter); //<-- donuts

  //
  // In B&W (papers)
  //
  if(black_n_white){
    const int ncol = 7;

    double red   [ncol];
    double green [ncol];
    double blue  [ncol];
    double stops [ncol];

    double dcol = -1/double(ncol);
    double gray = 1;
    for (int j = 0; j < ncol; j++) {
      // Define color with RGB equal to : gray, gray, gray
      stops[j] = double(j)/double(ncol-1);
      red  [j] = gray;
      blue [j] = gray;
      green[j] = gray;
      
      gray += dcol;
    }
    UInt_t totcol=50;
    TColor::CreateGradientColorTable(ncol,stops,red,green,blue,totcol); 

    gStyle -> SetFuncWidth     (1);
    gStyle -> SetHistLineWidth (1);
    gStyle -> SetFuncColor     (1);
    gStyle -> SetFuncWidth     (1);
  }//bw

  gROOT->ForceStyle();
}
//___________________________________________________________________________
void genie::utils::style::Format(
   TGraph* gr, int lcol, int lsty, int lwid, int mcol, int msty, double msiz)
{
  if(!gr) return;

  if (lcol >= 0) gr -> SetLineColor   (lcol);
  if (lsty >= 0) gr -> SetLineStyle   (lsty);
  if (lwid >= 0) gr -> SetLineWidth   (lwid);

  if (mcol >= 0) gr -> SetMarkerColor (mcol);
  if (msty >= 0) gr -> SetMarkerStyle (msty);
  if (msiz >= 0) gr -> SetMarkerSize  (msiz);
}
//___________________________________________________________________________
void genie::utils::style::Format(
     TH1* hst, int lcol, int lsty, int lwid, int mcol, int msty, double msiz)
{
  if(!hst) return;

  if (lcol >= 0) hst -> SetLineColor   (lcol);
  if (lsty >= 0) hst -> SetLineStyle   (lsty);
  if (lwid >= 0) hst -> SetLineWidth   (lwid);

  if (mcol >= 0) hst -> SetMarkerColor (mcol);
  if (msty >= 0) hst -> SetMarkerStyle (msty);
  if (msiz >= 0) hst -> SetMarkerSize  (msiz);
}
//___________________________________________________________________________