schematic diagrams - fancy boxes, packers and arrows

This is mainly a question for JJ. I would like to make a schematic
diagram, like you might get from Dia or OmniGraffle. With the offset
boxes, annotations, vpackers/hpackers and fancy arrows, it seems like
the pieces are mostly in place. Unlike simple annotations, I need to
have multiple arrows originating from a single box. The diagram I am
trying to draw shows the relationship between various packages for
scientific computing in python. The crude ASCII art picture looks
like this:

            Python
          / \
         / \
    IPython Numpy
         > / \
         > / \
       matplotlib scipy

where arrows are pointing from

  Python -> IPython
  Python -> numpy
  IPython -> matplotlib
  numpy -> matplotlib
  numpy -> scipy

and IPython and numpy are on one level (HPacker?) and are below Python
(Vpacker?) and so on. Each text instance is surrounded by a fancy box
and are connected by fancy arrows.

Is it fairly easy to put something like this together using all the
offsetbox tools and fancy arrows?

Thanks,
JDH

Is it fairly easy to put something like this together using all the
offsetbox tools and fancy arrows?

I tried to cook up something similar to what you described. See the
attached file.
Well, I would not say it is fairly easy, but not that difficult either I hope.
The demo requires svn r8227 to work correctly.

I think the demo is rather self-explanatory. But let me know if there
is anything that are not clear.
Regards,

-JJ

image.png

simple_diagram.py (1.97 KB)

···

Thanks,
JDH

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