Here's a basic Bar chart that only has a few configuration
options specified, most notably: adjustable
This means that the chart can be adjusted dynamically by clicking on the chart and moving your mouse
up and down. The types of charts that can be adjusted are:
You can read more about adjusting and see the canvas documentation for it here. One thing you should note is that there are three events that you can use:
This means that you could use an
adjustend
event listener to send the updated
value(s) back to
the server with ajax
and save them to your
database or to a file.
When the browser/screen is smaller the size of the canvas
is reduced, the textSize
is
reduced and the CSS
float
on the container is removed.
<script src="RGraph.common.core.js"></script> <script src="RGraph.common.dynamic.js"></script> <script src="RGraph.bar.js"></script>Put this where you want the chart to show up:
<div style="float: right"> <canvas id="cvs" width="600" height="250">[No canvas support]</canvas> </div>This is the code that generates the chart - it should be placed AFTER the
canvas
tag(s):