[udig-devel] Plugins

[Iñigo Telleria Elola]

I have read the developer's guide to develop some plugins in Udig. I have 
understanded it and I created the HelloWorld plugin. It was very easy.
Now I would like to create more dificult plugins, for example, a plugin 
which draws shapes (circles, lines, etc); but I don't know how I can do it.
Can anybody help me?
I would like to see simples plugin too.

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