1 | <?php |
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2 | require_once ('jpgraph/jpgraph.php'); |
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3 | require_once ('jpgraph/jpgraph_windrose.php'); |
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4 | |
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5 | // Data can be specified using both ordinal index of the axis |
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6 | // as well as the direction label |
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7 | $data = array( |
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8 | 0 => array(1,1,2.5,4), |
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9 | 1 => array(3,4,1,4), |
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10 | 3 => array(2,7,4,4,3), |
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11 | 5 => array(2,7,1,2)); |
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12 | |
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13 | // First create a new windrose graph with a title |
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14 | $graph = new WindroseGraph(400,400); |
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15 | |
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16 | // Setup title |
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17 | $graph->title->Set('Windrose example 4'); |
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18 | $graph->title->SetFont(FF_VERDANA,FS_BOLD,12); |
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19 | $graph->title->SetColor('navy'); |
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20 | |
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21 | // Create the windrose plot. |
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22 | $wp = new WindrosePlot($data); |
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23 | |
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24 | // Adjust the font and font color for scale labels |
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25 | $wp->scale->SetFont(FF_TIMES,FS_NORMAL,11); |
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26 | $wp->scale->SetFontColor('navy'); |
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27 | |
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28 | // Set the diameter and position for plot |
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29 | $wp->SetSize(190); |
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30 | |
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31 | // Set the size of the innermost center circle to 40% of the plot size |
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32 | // Note that we can have the automatic "Zero" sum appear in our custom text |
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33 | $wp->SetZCircleSize(0.38); |
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34 | $wp->scale->SetZeroLabel("Station 12\n(Calm %d%%)"); |
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35 | |
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36 | // Adjust color and font for center circle text |
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37 | $wp->scale->SetZFont(FF_ARIAL,FS_NORMAL,9); |
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38 | $wp->scale->SetZFontColor('darkgreen'); |
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39 | |
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40 | // Adjust the font and font color for compass directions |
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41 | $wp->SetFont(FF_ARIAL,FS_NORMAL,10); |
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42 | $wp->SetFontColor('darkgreen'); |
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43 | |
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44 | // Adjust the margin to the compass directions |
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45 | $wp->SetLabelMargin(50); |
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46 | |
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47 | // Adjust grid colors |
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48 | $wp->SetGridColor('silver','blue'); |
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49 | |
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50 | // Add (m/s) text to legend |
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51 | $wp->legend->SetText('(m/s)'); |
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52 | $wp->legend->SetMargin(20,5); |
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53 | |
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54 | // Add and send back to client |
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55 | $graph->Add($wp); |
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56 | $graph->Stroke(); |
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57 | ?> |
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58 | |
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