Introduction

The Google Chart API allows any developer to generate a chart by sending a HTTP IMG request to a server at Google.

In this article we look at unusual properties of the charting mechanism, and we build two toys: a Lissajous Curve Generator and a Hypergraph Generator.

Click here to read more and download code.

Legends for the Charts

Legends and tags are essential components of your charting. Offloading these to your own Javascript scope provides increased quality and gives you better control of the resulting IMG.

Click here to read more and download code.

A Wind Rose

In this article we show you the steps to convert weather data into a usable Wind Rose generated with Google's Charts API.
We also use the AJAX Feed API to read realistic weather information for eight cities.

Click here to read more and download the code.