<?php // content="text/plain; charset=utf-8" // Basic contour plot example require_once ('jpgraph/jpgraph.php'); require_once ('jpgraph/jpgraph_contour.php'); $data = array( array (0.5,1.1,1.5,1,2.0,3,3,2,1,0.1), array (1.0,1.5,3.0,5,6.0,2,1,1.2,1,4), array (0.9,2.0,2.1,3,6.0,7,3,2,1,1.4), array (1.0,1.5,3.0,4,6.0,5,2,1.5,1,2), array (0.8,2.0,3.0,3,4.0,4,3,2.4,2,3), array (0.6,1.1,1.5,1,4.0,3.5,3,2,3,4), array (1.0,1.5,3.0,5,6.0,2,1,1.2,2.7,4), array (0.8,2.0,3.0,3,5.5,6,3,2,1,1.4), array (1.0,1.5,3.0,4,6.0,5,2,1,0.5,0.2)); // Basic contour graph $graph = new Graph(350,250); $graph->SetScale('intint'); // Show axis on all sides $graph->SetAxisStyle(AXSTYLE_BOXOUT); // Adjust the margins to fit the margin $graph->SetMargin(30,100,40,30); // Setup $graph->title->Set('Basic contour plot with multiple axis'); $graph->title->SetFont(FF_ARIAL,FS_BOLD,12); // A simple contour plot with default arguments (e.g. 10 isobar lines) $cp = new ContourPlot($data); // Flip the data around its center line $cp->SetInvert(); // Display the legend $cp->ShowLegend(); $graph->Add($cp); // ... and send the graph back to the browser $graph->Stroke(); ?>