Re: [brlcad-devel] [GSoC 2012] -Proposal draft: Visualizing CSG project

[Andrei - C. P. <pop...@gm...>]

I have submitted both my proposals on melange. If there is a chance you
could have a look at them I would greatly appreciate it. Thank you for all
the feedback provided so far

2012/4/6 Christopher Sean Morrison <br...@ma...>

>
> On Apr 6, 2012, at 8:01 AM, Cristina Precup wrote:
>
> > Thank you for your feedback.
>
> You're quite welcome, Cristina.
>
> If there anyone else I've not responded to yet that would like feedback on
> their proposal, please speak up.  I believe there's about four hours to the
> deadline so there's not much time, but I'll be glad to give quick feedback
> to anyone interested.  If I've already responded to you, please don't ask
> me to double/triple/quadruple check your proposal for even more feedback...
>  Many of you have done a fantastic job putting together a solid complete
> proposal.  Let the procrastinators have a turn. ;)
>
> > GOBLIN got my attention because it was mentioned in the description of
> > the project and after a bit of a discussion with Cliff Yapp it seemed
> > to me that it would be useful. You are right, I should allocate some
> > research time to dig deeper and see if it's a doable plan.
>
> I agree that it sounds like a very promising library.  However, having
> absolutely no experience with code that uses GOBLIN, it's simply an unknown
> quantity -- i.e., it's a risk being assumed.  That is fine, but we
> shouldn't just assume that it's going to do exactly what their website
> claims it will do without issue.  There should be some basic evaluation
> period and a contingency plan should it not work out.
>
> > As alternatives, I've also considered working with the Adaptagrams
> > library, http://adaptagrams.sourceforge.net/ or with the Open Graph
> > Drawing Framework library, http://www.ogdf.net/doku.php, but these
> > would also imply the same steps as the ones mentioned in the GOBLIN
> > case.
>
> Wow, those both actually look VERY interesting.  Looks like Adaptagrams is
> what underpins some of Graphviz and seems ideally suited to interactive
> graphs with their library break-out.  The fact that OGDF is a GSoC
> participant makes them similarly appealing from a collaborative
> perspective.  They both might even have a leg-up over GOBLIN.  If selected,
> it would be useful to itemize the feature merits and downsides of those
> three projects in a matrix before coding begins.  That way it'll be easier
> to see which is the best to run with first.
>
> > A contingency plan that I'd take into account would be to use the
> > Boost Graph Library (BGL),
> > http://www.boost.org/doc/libs/1_49_0/libs/graph/doc/index.html, for
> > the usage of graph algorithms in the interactively display scenario.
>
> As that's basically a data container library, I'm not sure it would be
> very useful for your project.  We already have a data container (the
> BRL-CAD data structures) with defined traversal methods.  Recoding them
> into another container would only be useful if there's some capability
> within BGL or another library that works with BGL to draw those graphs in
> 2D or 3D.
>
> Cheers!
> Sean
>
>
>
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