1 | <?php // content="text/plain; charset=utf-8" |
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2 | |
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3 | require_once ('jpgraph/jpgraph.php'); |
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4 | require_once ('jpgraph/jpgraph_contourf.php'); |
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5 | |
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6 | // Setup some data to use for the contour |
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7 | $data = array( |
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8 | array (12,12,10,10), |
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9 | array (10,10,8,14), |
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10 | array (7,7,13,17), |
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11 | array (4,5,8,12), |
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12 | array (10,8,7,8)); |
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13 | |
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14 | // create a basic graph as a container |
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15 | $graph = new Graph(300,300); |
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16 | $graph->SetMargin(30, 30, 40, 30); |
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17 | $graph->SetScale('intint'); |
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18 | $graph->SetMarginColor('white'); |
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19 | |
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20 | // Setup title of graph |
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21 | $graph->title->Set('Filled contour plot'); |
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22 | $graph->title->SetFont(FF_VERDANA,FS_BOLD,12); |
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23 | |
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24 | $graph->subtitle->Set('(Manual colors)'); |
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25 | $graph->subtitle->SetFont(FF_VERDANA,FS_ITALIC,10); |
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26 | |
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27 | // Create a new contour plot with only 3 isobars |
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28 | $cp = new FilledContourPlot($data,3); |
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29 | |
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30 | // Specify the colors manually |
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31 | $isobar_colors = array('lightgray','teal:1.3','orange','red'); |
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32 | $cp->SetIsobarColors($isobar_colors); |
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33 | |
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34 | // Use only blue/red color schema |
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35 | $cp->UseHighContrastColor(true); |
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36 | |
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37 | // Flip visually |
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38 | $cp->SetInvert(); |
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39 | |
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40 | // Fill the contours |
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41 | $cp->SetFilled(true); |
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42 | |
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43 | // Display labels |
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44 | $cp->ShowLabels(true); |
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45 | |
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46 | // No lines |
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47 | $cp->ShowLines(false); |
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48 | |
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49 | // And add the plot to the graph |
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50 | $graph->Add($cp); |
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51 | |
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52 | // Send it back to the client |
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53 | $graph->stroke(); |
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54 | |
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55 | ?> |
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