Distorted reflections 2004-11-20 - By Stuart
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Hi,
Sorry, this solution is totally opaque to me. Think I need a better
explanation or even an example.
Stuart
-- --Original Message-- --
From: TSML [mailto:truespace@(protected)] On Behalf Of Dave Angelini
Sent: Saturday, November 20, 2004 9:33 AM
To: truespace@(protected)
Subject: Re: [TSML] Distorted reflections
Relative to the comment "If I however, bevel the top, the reflections become
all curved and distorted", wasn't there an old LW trick to place a vertice
below the edges of a face (on the surrounding faces) to fake a smooth corner
when rendering without the geometry burden that a true fillet would
represent. In essence, create a bevel with a 0 degree angle. So this
"curving" symptom that sometimes can be used to your advantage.
Thanks,
Dave Angelini
-- -- Original Message -- --
From: "Thomas Moffat Grimes" <thomas@(protected)>
To: <truespace@(protected)>
Sent: Monday, November 15, 2004 9:04 AM
Subject: Re: [TSML] Distorted reflections
> Hi Stuart,
>
> I would try painting the flat face with Faceted rather than
> Auto-Faceted material. My guess is that the bevel takes the angle
> between the flat face and the beveled edges into the auto-faceting
> threshold, and the renderer then tries to calculate how that face
> curves, trying to smooth it into the bevel. Of course, with lots of
> points around the edge, it tries to smooth the face in different
directions, and the result is distorted reflections.
>
> You could try to find an Auto-Facet angle that keeps the flat look of
> the face and the curves of the bevel, but if your shape is pretty
> simple, I would opt to just paint the face that should be flat with
> the Faceted material as the quickest solution. It's the same result
> too - the only reason for using Auto Faceted with different settings
> would be if you have lots of faces similarly affected and it would be
> time consuming to paint them all Faceted.
>
> HTH!
> Tom
>
>
> Thomas Moffat Grimes
> Marketing Communications
> Caligari Corporation
>
>
> -- -- Original Message -- --
> From: "Stuart" <stunezin@(protected)>
> To: <truespace@(protected)>
> Sent: Saturday, November 13, 2004 5:35 PM
> Subject: [TSML] Distorted reflections
>
>
> > Hi,
> > Here's the problem I'm having-
> > When I import an .AI file (filled , no outline as usual), select
> > the
face
> > and extrude, I get a proper solid.
> > When I paint it with a reflective material the flat top face shows
proper
> > reflections - IE objects reflect as if on a mirrored table top.
> > If I however, bevel the top, the reflections become all curved and
> > distorted, yet the top surface is still flat and parallel to the ground.
> > When I select the top face of the bevel and raise it vertically up
> > past
a
> > certain amount, the distortion disappears. Of course at that point
> > the nice small angled edge I wanted to catch a small reflected light
> > is now a
large
> > taper.
> > If I select that top face and blitz it, returning it to the
> > original shape, the reflections are again OK. Tried chamfer and
> > fillet but on a shape with several in and out curve these tools
> > usually don't work or don't
work
> > right.
> >
> > Anyone come up against this? Any solutions?
> >
> > Regards
> > Stuart
> >
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