[Fresco-devel] scenegraph and dot-files

Tobias Hunger <[email protected]>
Newsgroups gmane.comp.video.fresco.devel
Message-ID <[email protected]>
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Hi!

I spend some time recently to add a debugger that dumps the scenegraph into a 
dot-file. dot is part of graphviz, a suit of applications to generate graphs. 
It's really cool, you can see very easily why the clipping of rotated windows 
of the MVC-demo does not work;-)

Check http://www.cck.uni-kl.de/~hunger/MVC_demo.ps.bz2 for a dump of the 
scenegraph when running the MVC demo. I hope you have lots of RAm if you want 
to display this in ghostview;-) It's by far not as bad as the scenegraph of 
the demo with all windows open though.

The format is this:
Boxes denote controllers, ellipses are normal graphics.

The nodes are labeled like this:
Description
Requisition
Transformation (if it is not the identity matrix anyway)

A problem with this approach is that dot does not necessarily display the 
graphics in the order they are traversed. This is a bit confusing. But I 
still love this;-)

- -- 
Gruss,
Tobias

- ------------------------------------------------------------
Tobias Hunger           The box said: 'Windows 95 or better'
[email protected]                      So I installed Linux.
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