Re: MOST REQUESTED PLUG-IN/FEATURES 2003-12-09 - By steven_mcq
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--- In Carrara@(protected), "MD" <mike_delaflor@(protected)> wrote:
> ok you plug-in developers out there (well that would mainly be
> eric) :-)and eovia...
Mike,
Don't forget Brian at Zmorphics.com, too. Some comments to help push
the envelope:
> Translucency
You can get an approximation of this now by using a non-black color
in the color channel while applying transparency. In addition, if
there were a way to slightly blur or scatter the light through
transparency, that would do it. Zmorphics may have a handle on this,
as Brian already offers a blur reflection utility.
> Anisotropic reflections (whatever that is)
That means reflection strength is determined by raytrace direction,
rather than being the same in all directions (isotropic). Again,
Zmorphics already offers fresnel reflection (which is a special type
of anisotropic reflection), so the math may be there for general
anisotropic reflection.
> Subsurface scattering
Really important for convincing skin. Poser and Daz proponents
should like this.
> Replication of objects on a predetermined path with
> random variations in orientation and position.
Why stop at random orientations? I've long advocated a "Instancer"
plugin that creates instances of a designated object, at a number of
specified distributions and orientations. Amapi7 creates instances
on the points of a curve, or the vertices of a surface, or the
center points of facets, and can position the instances in various
ways (although not randomly). Unfortunately, instancing is not
preserved when Amapi7 files are imported to Carrara via the bridge.
For Carrara, Anything Grows comes closest, if only the tip objects
could attach to any mesh and create instances. AGrws allows random
variations of orientation and distortion. Instancing and mesh or 3D
matrix distribution would be good added features for Anything Grows.
> Allow volumetric effects like fog, fire and clouds
> to be contained in a user defined shaped and not only
> in a box, cylinder or sphere.
Bryce users are familiar with this capacity for clouds, but the
computational time is hugely intensive. Brute force compuation of
true volumetrics within a mesh is typically found in big budget
special effects movies. For the rest of us, there should be
additional ways to fake it. For example, the clouds in the sky
settings should be further augmented to simulate some vertical
distribution. I'd be happy to see a cloud painter for background
images. There must be ways to airbrush convincing cumulonimbus
clouds onto a 2:1 skydome. Watch the animated cumulonimbus cloud at
the opening credits of a Columbia Studios picture, behind the pretty
girl holding the torch. Nice effect, don't know how they did it.
SMcQ
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