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 | 'E' => array(3,2,1,2,2), |
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9 | 'N' => array(1,1,1.5,2), |
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10 | 'nw' => array(1,1,1.5,2), |
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11 | 'S' => array(2,3,5,1), |
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12 | ); |
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13 | |
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14 | // Define the color,weight and style of some individual radial |
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15 | // grid lines. Axis can be specified either by their (localized) |
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16 | // label or by their index. |
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17 | // Note; Depending on how many axis you have in the plot the |
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18 | // index will vary between 0..n where n is the number of |
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19 | // compass directions. |
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20 | $axiscolors = array('nw'=>'brown'); |
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21 | $axisweights = array('nw'=>8); // Could also be specified as 6 => 8 |
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22 | $axisstyles = array('nw'=>'solid'); |
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23 | |
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24 | // First create a new windrose graph with a title |
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25 | $graph = new WindroseGraph(400,500); |
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26 | $graph->title->Set('Windrose example 9'); |
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27 | $graph->title->SetFont(FF_VERDANA,FS_BOLD,14); |
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28 | $graph->title->SetColor('navy'); |
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29 | |
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30 | // Create the free windrose plot. |
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31 | $wp = new WindrosePlot($data); |
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32 | $wp->SetType(WINDROSE_TYPE16); |
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33 | |
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34 | // Specify colors weights and style for the radial gridlines |
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35 | $wp->SetRadialColors($axiscolors); |
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36 | $wp->SetRadialWeights($axisweights); |
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37 | $wp->SetRadialStyles($axisstyles); |
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38 | |
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39 | // Add some "arbitrary" text to the center |
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40 | $wp->scale->SetZeroLabel("SOx\n8%%"); |
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41 | |
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42 | // Finally add it to the graph and send back to the client |
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43 | $graph->Add($wp); |
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44 | $graph->Stroke(); |
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45 | ?> |
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46 | |
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