[Bf-committers] development of conditional pass-thru node for compositor

[Xavier Thomas]

Hi,

The greenscreen node Tom was talking about is certainly mine:
https://projects.blender.org/tracker/index.php?func=detail&aid=18012&group_id=9&atid=127
But the interesting bits was integrated into trunk (in the chromakey
and despill nodes) by Robert Holcomb.

Writing compositing nodes is quite easy to get started with blender
development. Unfortunately if they are too specific they will not be
packed with blender and distributing a plugin for extra nodes is not
possible. So keep that in mind.

One image/compositing project that may be not to difficult to realize
to get started: Improve the compositor/sequencer color balance to use
curves to delimit shadows/midtones/highlights and add lift/gamma/gains
controls which influences are dependent of those curves (much like the
nuke grade node)

happy coding

Xavier

2011/4/21 Jianming <jianming.tom at gmail.com>:
> Thank you, LetterRip,
>
> Firstly, I am sorry to reply email like this, cause I don't actually
> know how to reply an email on mailing list with gmail website.
> I don't know if I should turn off daily digest on the mailing list,
> otherwise it seems I couldn't reply email with simple reply button.
>
>>could you explain a bit more of your 'beginner' status - are you new
>>to programming or just new to programming blender.
>
> I am a beginner programmer and new to blender, this is the first FOSS
> project and first software project for me.
> But I have experience on compositing, computer vision and cg.
>
> Actually I'm a student doing a FOSS course in CS school of ANU now. I
> chose blender base on my background and motivation.
> I have C background and know little python. I do CV staff in matlab.
>
>>This summer we expect to have one or two students focused on
>>matchmoving related coding (integration of libmv and improving libmv
>>for the areas important to our usage).
>
> I am interested in this, since it's a CV project which I knew.
>
>>there are some nodes and sequencer plugins that have been developed
>>for matting that haven't been integrated yet and could be ported to
>>2.5x code base to use in the compositor.
>
> Are these in svn server?
>
>>The 'GIMP' has integrated SIOX and has a branch that has tools for
>>getting a much cleaner plate (smarter feathering control).
>
>>I know brecht did a SIOX patch a year or two ago and didn't feel it
>>was worthwhile at that time, but I think that with the update to SIOX
>>for l2009 Gimp GSOC project it might good enough to be useful.
>
> These are digital image processing projects, I think SIOX has better result.
> ==========
> Thank you so much for this email, you provided useful info, pointed
> pathway for me.
>
> I'll continue to research on blender.
>
> cheers,
>
> Jianming (Tom)
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