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Fun with Google Charts API

Everyone loves a chart. Now you can easily use the Google Charts API to add some dynamism to your website

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.

Check out my fancy Negative Approach (I am 50/50 today) that I made simply by manipulating the URL string.

As described on InfoQ, Deepak Jois has written a wrapper for the API called gchartrb, which provides a clean, concise way to generate chart URLs using Ruby.