ChartDirector Ver 5.0 (PHP Edition)

Horizontal Box-Whisker Chart

This example demonstrates creating a multi-color horizontal box-whisker chart.
XYChart.addBoxWhiskerLayer2 is used to create the multi-color box-whisker layer. The chart is set to horizontal orientation using XYChart.swapXY.

Source Code Listing

[File: phpdemo/boxwhisker2.php]

    <?php
    require_once("../lib/phpchartdir.php");

    # Sample data for the Box-Whisker chart. Represents the minimum, 1st quartile,
    # medium, 3rd quartile and maximum values of some quantities
    $Q0Data = array(40, 45, 35);
    $Q1Data = array(55, 60, 50);
    $Q2Data = array(62, 70, 60);
    $Q3Data = array(70, 80, 65);
    $Q4Data = array(80, 90, 75);

    # The labels for the chart
    $labels = array("<*img=robot1.png*><*br*>Bipedal Type",
        "<*img=robot2.png*><*br*>Wolf Type", "<*img=robot5.png*><*br*>Bird Type");

    # Create a XYChart object of size 540 x 320 pixels
    $c = new XYChart(540, 320);

    # swap the x and y axes to create a horizontal box-whisker chart
    $c->swapXY();

    #Set directory for loading images to current script directory
    #Need when running under Microsoft IIS
    $c->setSearchPath(dirname(__FILE__));

    # Set the plotarea at (75, 25) and of size 440 x 270 pixels. Enable both horizontal
    # and vertical grids by setting their colors to grey (0xc0c0c0)
    $plotAreaObj = $c->setPlotArea(75, 25, 440, 270);
    $plotAreaObj->setGridColor(0xc0c0c0, 0xc0c0c0);

    # Add a title to the chart
    $c->addTitle("           Robot Shooting Accuracy Scores");

    # Set the labels on the x axis and the font to Arial Bold
    $labelsObj = $c->xAxis->setLabels($labels);
    $labelsObj->setFontStyle("arialbd.ttf");

    # Disable x axis ticks by setting the length to 0
    $c->xAxis->setTickLength(0);

    # Set the font for the y axis labels to Arial Bold
    $c->yAxis->setLabelStyle("arialbd.ttf");

    # Add a Box Whisker layer using light blue 0x9999ff as the fill color and blue (0xcc)
    # as the line color. Set the line width to 2 pixels
    $boxWhiskerLayerObj = $c->addBoxWhiskerLayer2($Q3Data, $Q1Data, $Q4Data, $Q0Data,
        $Q2Data);
    $boxWhiskerLayerObj->setLineWidth(2);

    # Output the chart
    header("Content-type: image/png");
    print($c->makeChart2(PNG));
    ?>

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