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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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