POV-Ray : Newsgroups : povray.bugreports : Bug with bozo density Server Time
31 Oct 2024 19:28:49 EDT (-0400)
  Bug with bozo density (Message 1 to 5 of 5)  
From: Anders Haglund
Subject: Bug with bozo density
Date: 7 Apr 1999 12:18:28
Message: <370b7744.0@news.povray.org>
Hi.

I think I've found a problem with bozo density in media. When I use bozo
density and emission I get a lot of wierd colors. This only happends with
bozo as far as I know.

This scene shows the problem:

camera {
    location <2,2,-5>
    look_at <0,0,0>
}

light_source { <5,5,-5> color rgb 1 }

box { <1,1,1>,<-1,-1,-1>
    pigment { color rgbt 1 }
    interior {
        media {
            emission 1
            density { bozo }
        }
    }
    hollow
}

btw, this isn't fixed in 3.1e.

/Anders


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From: Ron Parker
Subject: Re: Bug with bozo density
Date: 7 Apr 1999 12:39:33
Message: <370b7c35.0@news.povray.org>
On Tue, 6 Apr 1999 21:16:39 +0200, Anders Haglund wrote:
>I think I've found a problem with bozo density in media. When I use bozo
>density and emission I get a lot of wierd colors. This only happends with
>bozo as far as I know.

It's not a problem with bozo /per se/, it's a problem with the default
color map that gets assigned to bozo.  Try giving it a monochrome
color map like so:

  density { bozo color_map{[0 rgb 0][1 rgb 1]} }

and watch the problem go away.


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From: Daniele Varrazzo
Subject: Re: Bug with bozo density
Date: 14 Apr 1999 11:20:41
Message: <3714a439.0@news.povray.org>
>It's not a problem with bozo /per se/, it's a problem with the default
>color map that gets assigned to bozo.  Try giving it a monochrome
If you make a bozo sky_sphere without color_map, POV-Ray crashes (win
version, 3.1a) I think there should be a default color_map in any pigment
(like the "identity" function f(x) = x, thus the color_map { [0 rgb 0] [1
rgb 1] }


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From: Ronald L  Parker
Subject: Re: Bug with bozo density
Date: 16 Apr 1999 00:29:36
Message: <3718ad66.5839653@news.povray.org>
On Wed, 14 Apr 1999 16:17:18 +0200, "Daniele Varrazzo" <piro at
officine dot it> wrote:

>If you make a bozo sky_sphere without color_map, POV-Ray crashes (win
>version, 3.1a)

My superpatch with 3.1e code doesn't crash, so I'm guessing this one's
fixed.  Maybe someone who's actually running the official 3.1e can
verify.  It does crash in my official 3.1a.


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From: Bob Hughes
Subject: Re: Bug with bozo density
Date: 16 Apr 1999 14:58:15
Message: <37177A0A.5C23A4AD@aol.com>
color_map-less bozo crash of POV-Ray for Windows 3.1e did not happen for
me.


"Ronald L. Parker" wrote:
> 
> On Wed, 14 Apr 1999 16:17:18 +0200, "Daniele Varrazzo" <piro at
> officine dot it> wrote:
> 
> >If you make a bozo sky_sphere without color_map, POV-Ray crashes (win
> >version, 3.1a)
> 
> My superpatch with 3.1e code doesn't crash, so I'm guessing this one's
> fixed.  Maybe someone who's actually running the official 3.1e can
> verify.  It does crash in my official 3.1a.

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