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site/jpgraph/Examples/funcex1.php 1.52 KB
8ec98c9f   Guillaume   MAJ
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  <?php // content="text/plain; charset=utf-8"
  require_once ('jpgraph/jpgraph.php');
  require_once ('jpgraph/jpgraph_line.php');
  require_once ('jpgraph/jpgraph_utils.inc.php');
  
  $f = new FuncGenerator('cos($x)*$x');
  list($xdata,$ydata) = $f->E(-1.2*M_PI,1.2*M_PI);
  
  $f = new FuncGenerator('$x*$x');
  list($x2data,$y2data) = $f->E(-2,2);
  
  // Setup the basic graph
  $graph = new Graph(450,350);
  $graph->clearTheme();
  $graph->SetScale("linlin");
  $graph->SetShadow();
  $graph->img->SetMargin(50,50,60,40);
  $graph->SetBox(true,'black',2);
  $graph->SetMarginColor('white');
  $graph->SetColor('lightyellow');
  
  // ... and titles
  $graph->title->Set('Example of Function plot');
  $graph->title->SetFont(FF_FONT1,FS_BOLD);
  $graph->subtitle->Set("(With some more advanced axis formatting\nHiding first and last label)");
  $graph->subtitle->SetFont(FF_FONT1,FS_NORMAL);
  $graph->xgrid->Show();
  
  $graph->yaxis->SetPos(0);
  $graph->yaxis->SetWeight(2);
  $graph->yaxis->HideZeroLabel();
  $graph->yaxis->SetFont(FF_FONT1,FS_BOLD);
  $graph->yaxis->SetColor('black','darkblue');
  $graph->yaxis->HideTicks(true,false);
  $graph->yaxis->HideFirstLastLabel();
  
  $graph->xaxis->SetWeight(2);
  $graph->xaxis->HideZeroLabel();
  $graph->xaxis->HideFirstLastLabel();
  $graph->xaxis->SetFont(FF_FONT1,FS_BOLD);
  $graph->xaxis->SetColor('black','darkblue');
  
  $lp1 = new LinePlot($ydata,$xdata);
  $lp1->SetColor('blue');
  $lp1->SetWeight(2);
  
  $lp2 = new LinePlot($y2data,$x2data);
  list($xm,$ym)=$lp2->Max();
  $lp2->SetColor('red');
  $lp2->SetWeight(2);
  
  
  $graph->Add($lp1);
  $graph->Add($lp2);
  $graph->Stroke();
  
  ?>