 | | | Beer Bottle Illustration | Beer Bottle Illustration 2005-10-04 - By David Carroll
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Thanks Doug,
Would I get the same effect if I made the ice cubes invisible and then
rendered?
David
On 04/10/2005, at 1:05 PM, Douglas Alden Peterson wrote:
> Hi David,
>
> > Can the saturation be manipulated in Carrara, or is it done later
> when
> > opened in Photoshop?
>
> No, it can be done in Carrara. Where is the blue on the
> ice coming from? The surface underneath the cubes?
> The walls or the sphere you placed the scene in?
> It isn't just from the labels, is it?
>
> If it's not from the labels, select the blue object(s) and
> change the color in the Texture Room. The color is correct,
> you just need to lower the saturation of it so it's grayer
> so the blue on the labels pops out more.
>
>
> > The droplets are reflecting the blue sphere inside which
> > I enclosed the scene, I added a few more since, in Photoshop.
>
> Okay. Reduce the reflectivity a bit then. That will make the
> droplets less blue.
>
>
>
> > I created a profile in Illustrator that had an inner surface, I
> swept
> > it around a circular path at the base. I used the inner Illustrator
> > path in the same way to create the liquid inside using a Boolian
> > subtraction with a cube to get the top flat surface.
>
> The inner edge of the glass isn't showing up. It will increase
> rendering time, but you might try reducing the size of the
> liquid inside the bottle just a very litttle bit so the light can
> bounce against the bottle's inside. You can also make the
> bottle just a bit more reflective so it catches the light better.
> This will also give you some reflection of the cubes in the
> glass. That would be nice. (But all of these things will increase
> rendering time. You might not find it worth the effort.)
>
>
> > I did render with caustics turned on, it took 21 hours to render, I
> > think it was worth it.
>
> Yes, it was. I'm a little surprised we don't see any pooling of
> light from the caustics. I would expect to see that in curves.
> But caustics are always a surprise.?? :-)
>
>
> > I was thinking of rendering the bottle only with caustics turned
> off to
> > get a label without the reflections from the ice.
>
> Something you might want to do is save the whole file with
> another name (so you don't mess up this one) and then
> change the shader for the cubes to a flat (no reflection,
> shininess, transparency or highlight) black. Render the file
> at the same size as this one. It will really speed up rendering
> time because none of the cubes will be visible. You'll end up
> with a file that you can bring into Photoshop and drop on
> your other rendering (holding down the SHIFT key to center
> it) and Viola! You can superimpose the new bottle where
> the current one is ... using the black mask to isolate the
> cubes from the first rendering.
>
>
> Doug
> --
> Douglas Alden Peterson
> Graphic & Web Design; Illustration
> Visualeyes
> Brighton, MI???? USA
>
>
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