POV-Ray : Newsgroups : povray.windows : Is this a bug (or just me?) Server Time
28 Jul 2024 16:32:20 EDT (-0400)
  Is this a bug (or just me?) (Message 1 to 5 of 5)  
From: Dennis Bean
Subject: Is this a bug (or just me?)
Date: 15 Sep 1998 02:27:02
Message: <35fdfaa6.0@news.povray.org>
I'm trying to render a scene for a corporate logo ( my first big scene) that
includes a glass flask.  It has some chrome thingies aroud it and some water
and a couple of seagulls in it.  The flask renders just fine by itself,
(it's built with CSG and I made it hollow), the rest of the scene renders
just fine by itself, but when I put both the falsk and it's contents
together I get a page fault in  PVENGINE during rendering.  It usually
occurs right at one of the seams where parts of the flask are stitched
together... I'm using the Glass2 and/or Glass3 textures here...

I'd really appreciate some help because this thing is too cool to just let
it die...


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From: Morpheus Dreamlord
Subject: Re: Is this a bug (or just me?)
Date: 15 Sep 1998 03:43:44
Message: <35FE0C94.A0517EC7@mailexcite.com>
Well, this may help or not..the ONLY PVENGINE gpf's I get are dur to too
many or too few max trace levels (mirroring)...this may be your prob
'cos of the glass.

try fixing max trace levels to about 10..

Dennis Bean wrote:
> 
> I'm trying to render a scene for a corporate logo ( my first big scene) that
> includes a glass flask.  It has some chrome thingies aroud it and some water
> and a couple of seagulls in it.  The flask renders just fine by itself,
> (it's built with CSG and I made it hollow), the rest of the scene renders
> just fine by itself, but when I put both the falsk and it's contents
> together I get a page fault in  PVENGINE during rendering.  It usually
> occurs right at one of the seams where parts of the flask are stitched
> together... I'm using the Glass2 and/or Glass3 textures here...
> 
> I'd really appreciate some help because this thing is too cool to just let
> it die...

-- 
The only good politician is a dead politician !!
Politics or religion = corruption and true evil.
Believe 1% of what you see or hear.
The laws that politicians make are mostly bad laws,
  we'd do far better without them - the politicians AND their laws.


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From: Ken
Subject: Re: Is this a bug (or just me?)
Date: 15 Sep 1998 07:40:34
Message: <35FE4476.45E61CA2@pacbell.net>
The problem you are probably encountering is called coincident surfaces.
this occurs when two surface are touch each other. When pov shoots rays
into the scene it cannot decide which surface belongs to which object. Try
scaling your "water" a little larger than it is now and you should be ok. Try
scaling it 0.001 larger.

Ken

Dennis Bean wrote:

> I'm trying to render a scene for a corporate logo ( my first big scene) that
> includes a glass flask.  It has some chrome thingies aroud it and some water
> and a couple of seagulls in it.  The flask renders just fine by itself,
> (it's built with CSG and I made it hollow), the rest of the scene renders
> just fine by itself, but when I put both the falsk and it's contents
> together I get a page fault in  PVENGINE during rendering.  It usually
> occurs right at one of the seams where parts of the flask are stitched
> together... I'm using the Glass2 and/or Glass3 textures here...
>
> I'd really appreciate some help because this thing is too cool to just let
> it die...


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From: Nathan Kopp
Subject: Re: Is this a bug (or just me?)
Date: 16 Sep 1998 10:39:27
Message: <35FFBE8F.2A863F3A@ltu.edu>
He could be having the coinciding surface problem, but I've never heard of it
causing page faults.

-Nathan

Ken wrote:
> 
> The problem you are probably encountering is called coincident surfaces.

> Dennis Bean wrote:
> 
    ...
> > just fine by itself, but when I put both the falsk and it's contents
> > together I get a page fault in  PVENGINE during rendering.  It usually
                     ^^^^^^^^^^


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From: Ken
Subject: Re: Is this a bug (or just me?)
Date: 16 Sep 1998 10:43:25
Message: <35FFC0CB.FB49C8A0@pacbell.net>
It's happened to me. I had 500 abutting transparent surfaces and
and pov cracked. After fixing the dimensions it accepted what I
was trying to do.

Ken

Nathan Kopp wrote:

> He could be having the coinciding surface problem, but I've never heard of it
> causing page faults.
>
> -Nathan
>


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