Re: Problems with G-Buffers? 2004-02-27 - By David Bell
Back
My memory is that AE only takes 1 alpha channel per image .... and I am
not where I can look this up. I can't think of how I would tell AE
which alpha channel to use.
Yours,
David
On Friday, February 27, 2004, at 09:33 AM, whkguamusa wrote:
> Hi Petteri,
> I can't answer this one, as I do not own AE or combustion.
> The only reason I knew about the tiff is that I don't use PhotoShop
> and I have needed to use those extra channels to give me more post-
> render editing options for some print work.
>
> mdc
> ps
> hope your neck feels better in the morning
> :>)
>
>
>
>
> --- In Carrara@(protected), "pmiinalainen"
> <petteri.miinalainen@(protected)> wrote:
> > Seems i was wrong... I was damn sure that tiff and targa allow you
> > to save only alpha (mask) channel. I've never even tested saving
> > multiple buffers with tiffs as i've encountered that limit in other
> > software.
> > Have you tested if AE or combustion* accept these tiffs? Would be a
> > nice alternative to psd files...
> >
> > Great to know this!
> >
> > petteri
>
>
> > --- In Carrara@(protected), "whkguamusa" <guamauto@(protected)> wrote:
> > > This is incorrect,
> > > The tiff format fully supports all of the G-buffer channels.
> > > Each channel shows up as an additional mask. If you check all the
> > G-
> > > buffer channels and the alpha mask then render you will get a
> tiff
> > > with R G B channels and 11 alpha channels that hold the G-buffer
> > > information as an 8bit greyscale map.
> > >
> > > mdc
> > >
> > > --- In Carrara@(protected), "pmiinalainen"
> > > <petteri.miinalainen@(protected)> wrote:
> > > > Exactly. But what i meant, that it can't save the distance
> > buffer
> > > or
> > > > any other G-buffer (normals, UV,...) - only the mask/ alpha
> > channel.
> > > >
> > > >� Only layered format like photoshop psd can save several
> > buffers.
> > > > Other formats that has support for that is RLA and RPF. Tried
> to
> > > use
> > > > photoshop file format plugins for RLA images, but it crashed
> > > > carrara. Should propably file a bug report...
> > > >
> > > > petteri
> > > >
> > > >
> > > > --- In Carrara@(protected), nospam <nospam@(protected)> wrote:
> > > > > Bonjour petteri,
> > > > >
> > > > > No, the Tiff file is perfectly able to takle alpha mask.
> > > > > It may be that Carrara is bugged on this matter and produce
> > bad
> > > > Tiff files when a
> > > > > mask is selected, but the Tiff specification is not faulty.
> > > > >
> > > > > Le / On jeudi 26 f�vrier 2004, vous �criviez / You wrote :
> > > > >
> > > > > p> You can't save other buffers than alpha mask with any
> other
> > > > formats
> > > > > p> than photoshop psd. Try to change to sequenced psd.
> > > > >
> > > > > p> petteri
> > > > > p> --- In Carrara@(protected), "goofballmcgee2000"
> > > > > p> <infinitevisuals@(protected)> wrote:
> > > > > >> I'm rendering an animation as a sequenced Tiff file. I'm
> > > > rendering
> > > > > p> an
> > > > > >> alpha channel just fine, but when I turn on the distance G-
> > > > Buffer,
> > > > > >> photoshop cannot open the file. It keeps telling me it has
> > > > > p> problems
> > > > > >> parsing the file. Any thoughts on this? I'm using Carrara
> > 3.3
> > > > on
> > > > > >> windows xp. I've never had a problem with this before. If
> > > > anyone
> > > > > p> has
> > > > > >> any thoughts please help. Thanks
> > > > > >>
> > > > > >> Chris Smith
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > p> To unsubscribe send a message to
> > > > > p> Carrara-unsubscribe@(protected)
> > > > >�
> > > > > p> Yahoo! Groups Links
> > > > >
> > > > >
> > > > >
> > > > >�
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Cordialement / Sincerly yours,
> > > > > nospam
> > > > > Flocons de P�ques
> > > > > Infographie 2D et 3D - Cr�ation web - Services informatiques
> > > > > www.floconsdepaques.com
> > > > >
> > > > > Pi�ces jointes / Post-Joint : <none>.
>
>
>
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>
>
<image.tiff>
>
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David Bell
nordwind53@(protected)
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