[Openstreetmap-dev] Source overview

[nick at hogweed.org]

> gpx.rb wakes up when called and grabs n gps points from the database and
> renders them using the ruby Cairo bindings. unfortunately it needs to
> save the image and read it back in as you can't get the binary out of
> Cairo. Hence a move is in progress to ruby-magick bindings.

How about GD (as we discussed last week?) It's very easy in PHP and generally 
regarded (IMX) as the standard solution for open-source dynamically-generated 
static web graphics (if you see what I mean). I'd imagine it would be easy in 
Ruby too... will investigate.

Nick