test/TestTFndGraph.C

#include "TCanvas.h"
#include "TSystem.h"

#include "TFndGraphs.h"

TFndGraph *gr1 = 0;
TFndGraph *gr2 = 0;
TFndMultiGraph *mg = 0;
TCanvas *c1 = 0;

void UseTFndGraph(){

  c1->cd();
  gr1->DrawDefaults();
  gSystem->Sleep(1000);
  gr1->UnZoomX();
  gr1->DrawDefaults();
}

void UseTFndMultiGraph(){

  c1->cd();
  mg = new TFndMultiGraph();
  mg->AddFndGraph(gr1);
  mg->AddFndGraph(gr2);
  mg->DrawDefaults();
}

void TestTFndGraph(){

  Bool_t UseMulti = 1;
  Bool_t UseDtor = 0;

  gr1 = new TFndGraph("gr1","gr1");
  gr1->AddPoint(9  , 3);
  gr1->AddPoint(3.3, 2);
  gr1->AddPoint(3.5, 4);
  gr1->AddPoint(5  , 20);


  gr2 = new TFndGraph("gr2","gr2");
  gr2->AddPoint(2  , 3);
  gr2->AddPoint(1.3, 2);
  gr2->AddPoint(3.5, 10);
  gr2->AddPoint(3  , -1);

  //gr1->SetMinDrawX(3. );
  //  gr1->SetMaxDrawX(2.);
  gr1->SetMinDrawY(-15.);
  //  gr1->SetMaxDrawY( 7 );

  //gr2->SetMinDrawX(3. );
  //  gr2->SetMaxDrawX(2.);
  // gr2->SetMinDrawY(-10.);
  // gr2->SetMaxDrawY( 8 );

  c1 = new TCanvas();

  if(UseMulti) UseTFndMultiGraph();
  else UseTFndGraph();

  if(UseDtor) delete gr1;
}

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