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[42] | 1 | <?php // content="text/plain; charset=utf-8" |
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| 2 | // Contour plot example 02 |
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| 3 | |
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| 4 | require_once ('jpgraph/jpgraph.php'); |
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| 5 | require_once ('jpgraph/jpgraph_contour.php'); |
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| 6 | |
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| 7 | $data = array( |
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| 8 | array (12,12,10,10,8,4), |
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| 9 | array (10,10,8,14,10,3), |
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| 10 | array (7,7,13,17,12,8), |
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| 11 | array (4,5,8,12,7,6), |
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| 12 | array (10,8,7,8,10,4)); |
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| 13 | |
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| 14 | // Setup a basic graph context with some generous margins to be able |
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| 15 | // to fit the legend |
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| 16 | $graph = new Graph(500,380); |
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| 17 | $graph->SetMargin(40,140,60,40); |
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| 18 | |
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| 19 | $graph->title->Set("Example of contour plot"); |
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| 20 | $graph->title->SetFont(FF_ARIAL,FS_BOLD,14); |
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| 21 | |
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| 22 | // For contour plots it is custom to use a box style ofr the axis |
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| 23 | $graph->legend->SetPos(0.05,0.5,'right','center'); |
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| 24 | $graph->SetScale('intint'); |
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| 25 | $graph->SetAxisStyle(AXSTYLE_BOXOUT); |
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| 26 | $graph->xgrid->Show(); |
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| 27 | $graph->ygrid->Show(); |
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| 28 | |
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| 29 | |
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| 30 | // A simple contour plot with 12 isobar lines and flipped Y-coordinates |
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| 31 | $cp = new ContourPlot($data,12,true); |
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| 32 | |
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| 33 | // Display the legend |
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| 34 | $cp->ShowLegend(); |
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| 35 | |
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| 36 | // Make the isobar lines slightly thicker |
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| 37 | $graph->Add($cp); |
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| 38 | |
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| 39 | // ... and send the graph back to the browser |
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| 40 | $graph->Stroke(); |
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| 41 | |
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| 42 | ?> |
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