I'm hoping to add events to some Google Flot charts, like those seen in Google Finance. After searching some, it looks like someone has started this and has posted a couple images at http://code.google.com/p/flot/wiki/FlotUsage. I can't find any Flot plugins that can do this.
Does anyone know of a Flot plugin or example so I can make sure not to re-invent any wheels?
Here are some examples I found, it's on the homepage of the link you posted:
The current release (0.5) can't do this, but if you pull the latest version from "trunk" it can. Just look for something called "markings" in the API doc: http://code.google.com/p/flot/source/browse/trunk/API.txt
I use the markings feature to draw a vertical line on a day when something happened. For example, you could draw vertical lines on the days you shipped a new piece of software on a chart that contains website traffic metrics.