Great job!
Also, there are many other Javascript visualization libraries besides the Google Chart API that you might want to know about (if you did't). All of them are open and can be locally run.
Check out e.g.
Also, there are many other Javascript visualization libraries besides the Google Chart API that you might want to know about (if you did't). All of them are open and can be locally run.
Check out e.g.
If you're starting a new project, or even have some work invested in Protovis, I'd migrate it to D3. Working with a dead library isn't the best idea.
You can write your code in Processing or JavaScript, which is nice if you want to take advantage of the Processing library without having to learn a specific language.
JavaScript InfoVis Toolkit http://thejit.org/