From b43957afd8122a7bcf8c5b0820c10e8bdfff16b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bal=C3=A1zs=20Gy=C3=B6ngy=C3=B6si?= <balux33@gmail.com>
Date: Tue, 31 Oct 2017 22:42:56 +0100
Subject: [PATCH] Modify Plotter to multiple instance capable with multiple
 canvas

---
 include/Plotter.hh |  3 +++
 src/Plotter.cc     | 16 +++++++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/include/Plotter.hh b/include/Plotter.hh
index 4522691..2541f5a 100644
--- a/include/Plotter.hh
+++ b/include/Plotter.hh
@@ -27,11 +27,14 @@ public:
   void Plot(Int_t numRuns, Int_t nSteps, std::vector<Double_t> t, std::vector<Double_t> x);
   TMultiGraph * GetTmultiGraph();
   
+  static unsigned int IDCounter;
+  
 private:
   bool draw;
   TMultiGraph *mg;
   TGraph* g1;
   TCanvas* canv;
   Double_t tl,xl;
+  unsigned int ID;
 };
 #endif
diff --git a/src/Plotter.cc b/src/Plotter.cc
index 0e91212..8426dcf 100644
--- a/src/Plotter.cc
+++ b/src/Plotter.cc
@@ -1,13 +1,17 @@
 #include "Plotter.hh"
 
+unsigned int Plotter::IDCounter = 0;
+
 Plotter::Plotter(bool draw_par = false)
 {
 draw = draw_par;
+ID = IDCounter++;
 if(draw)
   {
-	canv = new TCanvas("canc","display",800,400);
+	char str[30];
+	snprintf(str, 30, "Plotter_canvas%d", ID);
+	canv = new TCanvas(str, "display",800,400);
   }
-//g1 = new TGraph();
 mg = new TMultiGraph();
 }
 
@@ -24,17 +28,15 @@ TMultiGraph * Plotter::GetTmultiGraph()
 
 void Plotter::Plot(Int_t numRuns, Int_t nSteps, std::vector<Double_t> t, std::vector<Double_t> x)
 {
-  mg->SetTitle("BM1D");
+  char str[30];
+  snprintf(str, 30, "BM1D Plotter canvas%d", ID);
+  mg->SetTitle(str);
   
   for(int i= 0; i < numRuns; i++)
   { 
 		g1 = new TGraph(nSteps,&t[i*nSteps],&x[i*nSteps]);
 		g1->SetLineColor(i%30+1);
-		//g1->SetTitle("Brownian Movement");
-		//g1->GetYaxis()->SetTitle("X");
-		//g1->GetXaxis()->SetTitle("Time");
 		g1->SetLineWidth(2);
-		//g1->SetMarkerColor(1);
 		g1->SetMarkerStyle(1);
 			
 		mg -> Add(g1);