[Bf-committers] Collada importer/exporter kickout

Erwin Coumans erwin.coumans at gmail.com
Tue Jan 10 15:30:44 CET 2012


Until Blender has good fbx import or an alternative collada import
(python?) it would be good to postpone dropping OpenCollada.

>From the feedback, some people are using the import feature, and there is
no replacement.

Let's hope someone stands up and fixes the issues in trunk, rather then
branch.
 On Jan 10, 2012 2:15 AM, "Ton Roosendaal" <ton at blender.org> wrote:

> Hi,
>
> The Collada conformance suite is not working, and working on it won't help
> anything.
> I wrote about this here;
> http://code.blender.org/index.php/2011/10/collada-momentum/
>
> Collada just has no reference stakeholder(s) (like how fbx was native for
> motionbuilder).
> Blender would be the worst stakeholder for it even, since we have the
> awesome .blend :)
>
> Much better stakeholders would be Linden Labs (2nd life), or CryTek... or
> Daz? Three names of companies who make plenty of dollars with software
> licensing. Why don't they put an employee as developer in our team, to
> ensure Collada exports smoothly for their products?
>
> I even wouldn't mind a (python) addon "Export to DazCollada, CryCollada,
> 2ndLifeCollada, etc. It's how collada has been designed to work anyway...
>
> -Ton-
>
> ------------------------------------------------------------------------
> Ton Roosendaal  Blender Foundation   ton at blender.org    www.blender.org
> Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The Netherlands
>
> On 10 Jan, 2012, at 0:25, Sebastian wrote:
>
> > COLLADA has a great conformance test suite at
> > http://www.khronos.org/conformance/implementers/collada/
> >
> > It's being made available for free and I've already seen Blender results
> > uploaded some time ago.
> >
> >
> >
> > On 09.01.2012 23:52, spatial wrote:
> >>> For the COLLADA community Blender is definitely one of the most
> >>> important stakeholders to stop supporting COLLADA would make things in
> >>> DCC exchange even worse.
> >> I agree. Not to mention all those who co use it alongside LW , all of
> >> DAZ products....etc.
> >>
> >> I actually tried to avoid a discussion here since a long time,
> >> but topic is too important.
> >>
> >> First, kicking out collada from blender doesn't help anyone. None of the
> >> "common" interexchange formats is that reliable / support all features.
> >> To have at least a second format as a backup strategy,  if a certain
> >> features arent't supported / have some unreliable results, is a "must
> >> have" in every cross application enviroment.
> >>
> >> And btw, blenders FBX import is, from my experience, still not as
> >> reliable as it should be, to actually replace collada. (sorry, this is
> >> no actual bashing... its already great what has been archived...
> >> especially if you consider that it is allways pain in the ass, to
> >> support such a complex exchange format)
> >>
> >>> We are currently discussing further financing of OpenCOLLADA and will
> >>> spend more time the next months on bugfixing and conformance tests.
> >>>
> >> Sorry to say this, but this is one of the mayor reasons I have to post
> this:
> >>
> >> Conformance tests do only help a little to 0
> >> The big _advantage_ fbx has, is a working reference application called
> maya.
> >>
> >> No conformance test can actually be that foolproof to support all
> >> features and variations. So by this simple unoffical agreement,"if it
> >> doesn't work in maya - it is broken", users and developers have an ideal
> >> platform to discuss errors / find workarounds.  This greatly avoids the
> >> "picking in the dark" situation all developers currently face with
> >> collada. Even if a dev doesn't have access to it, in a lot of cases, he
> >> can track down problems reported by users who do provide a simple
> >> screenshot.
> >>
> >> Could this collada reference application be Blender ?
> >> For me this is a very attractive idea, but also, I'm very aware of the
> fact,
> >> that I'm opening a can of worms I'm actually in no way in the right
> >> position to touch.
> >>
> >> Anyway just my 2 cents on this.
> >> chris
> >>
> >>
> >>
> >>
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