The Google Chart API lets you dynamically generate charts. To see the Chart API in action, open up a browser window and copy the following URL into it:
http://chart.apis.google.com/chart?cht=p3&chd=s:hW&chs=250x100&chl=Hello|World
Press the Enter or Return key and – presto! – you should see the following image:
I just happened to notice last week that Google released a nifty Chart API for public use. The Google Chart API returns a PNG-format image in response to a URL. Several types of image can be generated: line, bar, and pie charts for example. For each image type you can specify attributes such as size, colors, and labels.
You can include a Chart API image in a webpage by embedding a URL within an <img>
tag. When the webpage is displayed in a browser the Chart API renders the image within the page. Continue reading