Data Point – PHP Charts & Graphs https://phpchart.com Making charts in PHP is simple again. Mon, 23 Jun 2014 05:35:29 +0000 en-US hourly 1 https://wordpress.org/?v=5.8.13 Data Point Labels on PHP Graph https://phpchart.com/examples/putting-labels-at-data-points-on-php-graph/ https://phpchart.com/examples/putting-labels-at-data-points-on-php-graph/#respond Tue, 08 May 2012 03:19:40 +0000 http://phpchart.net/?p=625 You can label specific data points in a graph with additional text or even image to further describe the data presented in PHP chart. To do that, the non-renderer plugin, “pointLabels”, is required. This plugin places labels on the plot at the data point locations. The last value in the data point array in a […]

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]]> You can label specific data points in a graph with additional text or even image to further describe the data presented in PHP chart. To do that, the non-renderer plugin, “pointLabels”, is required. This plugin places labels on the plot at the data point locations.

The last value in the data point array in a data series is used for the label by default. The following example uses HTML image for data points.

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$s1 = array(
        array(0, 300, '<img height="30px" width="30px" src="images/new.png"/>'),
        array(1, 150, '<img height="30px" width="30px" src="images/new.png"/>'),
        array(2, 35, '<img height="30px" width="30px" src="images/new.png"/>'));
 
....

$pc->add_plugins(array('cursor','pointLabels','barRenderer','categoryAxisRenderer'),true);

....

$pc->set_series_default(array(
           'pointLabels'=> array(
              'show'=> true,
              'escapeHTML'=> false,
              'ypadding'=> -15
           )
       ));

Complete pointLabels reference:
http://www.jqplot.com/docs/files/plugins/jqplot-pointLabels-js.html

Live demo

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