 | | | My first big question ... | My first big question ... 2004-06-27 - By David Rawson
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OK. I think I've got it now. I've been plugged into AFX all day today messing
with test renders (and the TRANSFER MODE in the LAYERS menu)and I am achieving
the exact effects I'm looking for. I'm realizing that what I need is in AFX and
Carrara is just the initial step. I was starting to feel a little frustrated.
Thanks for getting me pointed in the right direction. I'll look forward to
reading your tutorial in July and I'll take your advice on getting the AFX
literature.
More animation questions to come!
Thanks again
Dave
David Bell <nordwind53@(protected)> wrote:
What I did to learn how AfterEffects and Carrara work together was to
do Alex Lindsey's multi pass tutorial (and adapt it to Carrara) I found
this tutorial in AfterEffects in Production by janet and chris Morris.
If you don't have their books I would strongly recommend them. My
multipass tutorial is based on Alex's work.
I use a combination of alpha masks and luma masks.
In general, I get the scene working the way I want it, then make
duplicate files for the individual passes.
It gets a little complicated, and is worth the effort.
Yours,
David
David Bell (North)
nordwind53@(protected)
SA - BPR Team
Creator of Icarus:2300 and The Compass and the Rose
518-766-2275
(long time east coast member of the Pixel Corps)
On Jun 26, 2004, at 7:35 PM, David Rawson wrote:
> Hey Daves!
>
> Thanks for the speedy reply. I guess the core of what I'm getting at
> is the best technique to render an object(s) so that the space it
> occupies on the frame is transparent. Again, I'm using Adobe After
> Effects to do compositing work so maybe theres something in it I can
> utilize. Ultimately, I'm really trying to fully understand all the
> uses of different masks and alpha channel tricks in keeping scene
> elements (including objects, lighting effects and particle effects
> that are moving around and/or through each other) separate for post
> rendering work. When I first started doing test animations with
> Carrara 3 and realized when you hide scene elements and just render
> the ones you want in a particular pass the blank background remains
> completely transparent. This got me searching for a way to give an
> object in the scene the same properties as the blank background.
>
> Maybe I'm over thinking this. Is there a better way to go about this?
>
> Thanks again
>
> Dave
>
> David Bell <nordwind53@(protected)> wrote:
> (Because we secretly run the world ... don't tell anybody)
>
> David Bell (North)
> nordwind53@(protected)
> SA - BPR Team
> Creator of Icarus:2300 and The Compass and the Rose
> 518-766-2275
> (long time east coast member of the Pixel Corps)
>
> On Jun 26, 2004, at 6:28 PM, David Johnson wrote:
>
>> I think that you can just set up the scene so that there is volume in
>> the
>> light cones. And then as anything passes through it - it cause its
>> own
>> interaction with the light and casts shadows in and through the light.
>> This
>> can then be rendered just as is without compositing it later. I
>> think so
>> anyway... someone will say nay if that's wrong.
>>
>> Dave J
>> ( so far this thread is just Daves... [g] )
>>
>>
>> -- -- Original Message -- --
>> From: "swankymonkey2000" <swankymonkey2000@(protected)>
>> To: <Carrara@(protected)>
>> Sent: Saturday, June 26, 2004 5:54 PM
>> Subject: [Carrara] My first big question ...
>>
>>
>>> Hey all. I'm new to 3d animation and Carrara 3 so I don't know all
>>> the correct lingo but I'll try to explain what I'm trying to figure
>>> out.
>>>
>>> I think what I'm talking about here is multipass rendering and
>>> masking techniques. Heres a senario:
>>>
>>> Say you want to animate a 3d character walking toward the camera
>>> through several lightcones. The character would be casting shadows
>>> and, more importantly, interacting with the "foggy" lightcones
>>> becoming more visible as it moves from the farside of the lightcones
>>> toward the camera.
>>>
>>> Say you just wanted to do it in two separate passes. One pass for
>>> the character and one pass for the "set" (ie: background,
>>> foreground, and lightcones). So on the "set" pass how would you
>>> capture the character's interations with the lightcones, blocking of
>>> objects it moves in front of and shadows while the caracter itself
>>> behaves as a mask (rendering itself and so everything behind it
>>> transparent) so that you can compose the two passes in After Effects
>>> putting the "set" layer on top of the character layer.
>>>
>>> I hope this makes sense.
>>>
>>> Thanks for listening
>>>
>>> Dave
>>>
>>>
>>>
>>>
>>>
>>>
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