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Hello!
I have the error message points in polygon are not co-planar, what means
co-planar ? (example), what can I do to make them co-planar?
Alex
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From: Nieminen Juha
Subject: Re: Error message:points in polygon are not co-planar
Date: 27 Jan 2000 08:51:57
Message: <38904d7d@news.povray.org>
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robcad-user <alg### [at] studuni-sbde> wrote:
: Hello!
: I have the error message points in polygon are not co-planar, what means
: co-planar ? (example), what can I do to make them co-planar?
It means that they are not located in the same plane.
You could define your polygon with one of the components of all vectors
set to 0 and then rotate and translate it to its place.
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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On Thu, 27 Jan 2000 14:13:30 +0100, robcad-user <alg### [at] studuni-sbde>
wrote:
>Hello!
>I have the error message points in polygon are not co-planar, what means
>co-planar ? (example), what can I do to make them co-planar?
>
>Alex
It means they are not in the same plane. A polygon is a flat shape and
all its points must lie in the same plane. I don't know what polygon
you're trying to render, if you post the snippet of code that POV
chokes at it would be easier to locate the problem.
Peter Popov
pet### [at] usanet
ICQ: 15002700
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From: The Yodeling Veterinarian of the Alps
Subject: Re: Error message:points in polygon are not co-planar
Date: 27 Jan 2000 18:18:20
Message: <3890D431.4F90F2F8@erols.com>
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robcad-user wrote:
>
> Hello!
> I have the error message points in polygon are not co-planar, what
> means co-planar ? (example), what can I do to make them co-planar?
The message means that there is no plane that can contain all of the
points you gave for the object. This happens for one of two reasons:
1) You actually tried to place all of the points such that they cannot
all lie in one plane. For instance,
polygon { 5,
<-1,0,-1>,<1,0,-1>,<1,.1,1>,<-1,0,1>,<-1,0,-1>
}
will cause this error; three of the points lie in the y=0 plane, but the
third point is off-plane.
2) The other cause is that you tried to place them in a plane that is
at an angle to the coordinate axes, and rounding error has caused one
of the points to go out of the plane.
One work-around is to define the polygon so that it lies in one of the
coordinate planes; specifically, set one of the coordinate components
to zero in all of the points, and then move it into position with the
appropriate transforms.
The other work-around is to turn the polygon into a bunch of triangles,
which are not subject to this problem; needless to say, you can only use
this work-around if you are making a linear spline polygon.
Hope this helps,
John
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On Thu, 27 Jan 2000 18:26:41 -0500, The Yodeling Veterinarian of the Alps wrote:
Are the Alps in that much need of veterinary care? I wasn't
even aware that they qualified as an animal; I would have guessed
mineral.
--
These are my opinions. I do NOT speak for the POV-Team.
The superpatch: http://www2.fwi.com/~parkerr/superpatch/
My other stuff: http://www2.fwi.com/~parkerr/traces.html
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From: John VanSickle
Subject: Re: Error message:points in polygon are not co-planar
Date: 27 Jan 2000 19:09:18
Message: <3890E025.2015B11E@erols.com>
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Ron Parker wrote:
>
> On Thu, 27 Jan 2000 18:26:41 -0500, The Yodeling Veterinarian of the
> Alps wrote:
>
> Are the Alps in that much need of veterinary care? I wasn't
> even aware that they qualified as an animal; I would have guessed
> mineral.
Actually I got it from a VeggieTales tape. It sounded ludicrous
enough to be a good Usenet handle for one of my Netscape user
profiles.
--
ICQ: 46085459
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From: H E Day
Subject: Re: Error message:points in polygon are not co-planar
Date: 27 Jan 2000 22:09:11
Message: <38910812.42909E40@fci.net>
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Neato, those VeggieTales tapes, huh? I think I'll try and get a Job with
BigIdea. :)
John VanSickle wrote:
> Ron Parker wrote:
> >
> > On Thu, 27 Jan 2000 18:26:41 -0500, The Yodeling Veterinarian of the
> > Alps wrote:
> >
> > Are the Alps in that much need of veterinary care? I wasn't
> > even aware that they qualified as an animal; I would have guessed
> > mineral.
>
> Actually I got it from a VeggieTales tape. It sounded ludicrous
> enough to be a good Usenet handle for one of my Netscape user
> profiles.
>
> --
> ICQ: 46085459
--
H.E. Day
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Well...
You might have a shot there. Just remember that they focus on character,
emotion and movement. But I think your existing work would fit in nicely
with their Larry-Boy stuff.
"H.E. Day" wrote:
> Neato, those VeggieTales tapes, huh? I think I'll try and get a Job with
> BigIdea. :)
>
> John VanSickle wrote:
>
> > Ron Parker wrote:
> > >
> > > On Thu, 27 Jan 2000 18:26:41 -0500, The Yodeling Veterinarian of the
> > > Alps wrote:
> > >
> > > Are the Alps in that much need of veterinary care? I wasn't
> > > even aware that they qualified as an animal; I would have guessed
> > > mineral.
> >
> > Actually I got it from a VeggieTales tape. It sounded ludicrous
> > enough to be a good Usenet handle for one of my Netscape user
> > profiles.
> >
> > --
> > ICQ: 46085459
>
> --
> H.E. Day
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H.E. Day wrote:
>
> Neato, those VeggieTales tapes, huh? I think I'll try and get a Job
> with BigIdea. :)
If they're hiring when I retire from the Air Force I'll bee looking into
it as well. I e-mailed them a while back, asking them which renderer
they used. The reply said that at the time they were migrating from one
package to another. I forget which apps were named, but neither of them
were POV-Ray :-(
Their web site has a job listing, and it looks like they want pretty
much the whole spectrum of workers (ie, CG artists, regular artists,
render wranglers, programmers, admin staffers, etc.). They are *not*
looking for voice talent.
If you're wantin' a job, you have to submit a cover letter, resume, and
a demo-reel in VHS format, and be prepared to move to Lombard, Illinois
(Chicago area) once you are hired.
The stuff is at http://www.bigidea.com/company/careers/
[Follow-ups gone to p.o-t]
Regards,
John
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