I need to draw a simple graphs to post my biological data on web.
And I also want to add some interactivity into the graph (using like a
To do this, I need to know the position of squares or circles on the
So, instead of using statistical toolbox to draw the graph and find
square and circles are in the graph (which can be scary job), I want to
the graph by myself and make an imagemap based on my drawing.
–> The conclusion is that I need a really simple drawing tool that
possible to draw lines, squares, circles, and some characters, and to
result file in GIF format or JPG format.
Is there any simple drawing library in Ruby? (I’m thinking PHP shape
tools… but I don’t want to use PHP…)
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