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Ricochet: Charts

Your Guide to Using Charts in Ricochet


Introduction

Ricochet supports chart creation and management.

Chart.js support built in to Ricochet allows you to create rich and infinitely useful charts within a mod_custom (Custom HTML) module, or injected directly in an article to add a powerful visual element to your written information.

NOTE: This feature is not currently supported in IE8. The Chart.js elements will not display correctly. Newer versions of IE, as well as updated Chrome, Firefox, Safari, Opera, and other popular standard-compliant browser options should work just fine.

Chart.js Support

Ricochet includes built-in support for Chart.js. This element allows you to quickly and easily create dynamic graphs that display information in a variety of ways.

You can toggle this feature on and off by navigating to Administrator -> Extensions -> Template Settings -> Ricochet -> Features -> Chart and toggling the option there. If you have a Custom HTML and/or article with the Chart.js code present, and this option is off, nothing will appear in its place and your browser may indicate a JavaScript error.

Here is the code block that creates the graph that appears in the above image.

<canvas id="myChart" height="320" width="977"></canvas>
<script type="text/javascript">
                var lineChartData = {
                    labels : ["Joomla","Wordpress","Magento","phpBB","Kunena","Email","Forum"],
                    datasets : [
                        {
                            fillColor : "transparent",
                            strokeColor : "#97DBF2",
                            pointColor : "#97DBF2",
                            pointStrokeColor : "#97DBF2",
                            data : [600,500,900,800,500,400,700]
                        },
                        {
                            fillColor : "transparent",
                            strokeColor : "#DE4E33",
                            pointColor : "#DE4E33",
                            pointStrokeColor : "#DE4E33",
                            data : [200,400,600,300,900,200,500]
                        },
                    ]
                },
                options = {
                    //Boolean - If we want to override with a hard coded scale
                    scaleOverride : true,

                    //** Required if scaleOverride is true **
                    //Number - The number of steps in a hard coded scale
                    scaleSteps : 9,
                    //Number - The value jump in the hard coded scale
                    scaleStepWidth : 100,
                    //Number - The scale starting value
                    scaleStartValue : 100,

                    //String - Scale label font colour
                    scaleFontColor : "#383838",

                    //String - Colour of the scale line
                    scaleLineColor : "#383838",

                    //String - Colour of the grid lines
                    scaleGridLineColor : "#383838",

                    //Boolean - Whether the line is curved between points
                    bezierCurve : false,

                    //Number - Radius of each point dot in pixels
                    pointDotRadius : 8,

                    //Number - Pixel width of point dot stroke
                    pointDotStrokeWidth : 5,

                    //Number - Pixel width of dataset stroke
                    datasetStrokeWidth : 6,

                    //Boolean - Whether to fill the dataset with a colour
                    datasetFill : true,

                }

                //Get the context of the canvas element we want to select
                var ctx = document.getElementById("myChart-a").getContext("2d");
                var newChartA = new Chart(ctx).Line(lineChartData, options);

            </script>

You can find extensive documentation listing the different elements found here on the official website.


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