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17 Nov 2024 04:17:44 EST (-0500)
  Simple text with radiosity (Message 1 to 9 of 9)  
From: Sebastian H 
Subject: Simple text with radiosity
Date: 10 Aug 2006 12:40:01
Message: <web.44db60fec41d0741e51fc8ed0@news.povray.org>
Today morning the idea of making glowing text came to my head
and so I made so experiments with a dark text object over
a shining one together on an unenlightened plane.
I think it looks cool and maybe the technique and can be
used for intro or acknowledgement texts for animations.

word and also wanted an umlaut to test the utf8 capability of POV-Ray
and some fonts. Both fonts came with Debian their names are the first
part of the image name respectively.

It's just a little experiment I wanted to share but any criticism
is of course welcome.

Sebastian


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From: Sebastian H 
Subject: Re: Simple text with radiosity
Date: 10 Aug 2006 12:45:01
Message: <web.44db61a470ec24fce51fc8ed0@news.povray.org>
With an other font...


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From: St 
Subject: Re: Simple text with radiosity
Date: 10 Aug 2006 14:18:27
Message: <44db7873$1@news.povray.org>
That's the best animation I've seen yet! Those checkers move so 
fluently...

       Nice!

    ~Steve~


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From: Trevor G Quayle
Subject: Re: Simple text with radiosity
Date: 10 Aug 2006 15:05:00
Message: <web.44db829370ec24fcc150d4c10@news.povray.org>
"Sebastian H." <van### [at] gmxde> wrote:
> Today morning the idea of making glowing text came to my head
> and so I made so experiments with a dark text object over
> a shining one together on an unenlightened plane.
> I think it looks cool and maybe the technique and can be
> used for intro or acknowledgement texts for animations.

> word and also wanted an umlaut to test the utf8 capability of POV-Ray
> and some fonts. Both fonts came with Debian their names are the first
> part of the image name respectively.
>
> It's just a little experiment I wanted to share but any criticism
> is of course welcome.
>
> Sebastian

Good idea! I like this and the results are quite good.

-tgq


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From: Bryan Valencia
Subject: Re: Simple text with radiosity
Date: 10 Aug 2006 18:35:59
Message: <44dbb4cf$1@news.povray.org>
Is it an optical illusion or an animation - the fact that the whole thing
looks like it's "contracting" when you stare at it?


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From: Alain
Subject: Re: Simple text with radiosity
Date: 10 Aug 2006 20:19:07
Message: <44dbccfb@news.povray.org>
Bryan Valencia nous apporta ses lumieres en ce 10/08/2006 18:35:
> Is it an optical illusion or an animation - the fact that the whole thing
> looks like it's "contracting" when you stare at it?
> 
> 
Illusion.

-- 
Alain
-------------------------------------------------
Islam: If shit happens, it is the will of Allah.


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From: St 
Subject: Re: Simple text with radiosity
Date: 11 Aug 2006 03:06:45
Message: <44dc2c85@news.povray.org>
"Bryan Valencia" <pov### [at] spamgourmetcom> wrote in message 
news:44dbb4cf$1@news.povray.org...
> Is it an optical illusion or an animation - the fact that the whole thing
> looks like it's "contracting" when you stare at it?

  Well, that's what I was referring to.  :o)

     ~Steve~


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From: Sebastian H 
Subject: Re: Simple text with radiosity
Date: 11 Aug 2006 06:03:11
Message: <pan.2006.08.11.10.03.10.960693@gmx.de>
> Is it an optical illusion or an animation - the fact that the whole thing
> looks like it's "contracting" when you stare at it?

Hmm, I wouldn't have recognized this unless you've mentioned
it.
It's a still png and I doubt that it can convert itself into
an animation (which would be fascinating) so it must be a 
playing of the brain. :-) An Interesting effect anyway, it was 
definitely not intended. It could relate to the ground patter which is not
a perfect checker board pattern but has shifts in it. I'll post the ground
patter later, unfortunately my newsreader (PAN) does not support posting
binaries so I have to switch to the web interface.

Regards,
Sebastian

P.S.: Now Steve's post makes sense...


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From: Sebastian H 
Subject: Re: Simple text with radiosity
Date: 11 Aug 2006 06:20:01
Message: <web.44dc595570ec24fc81dadfb80@news.povray.org>
The ground pattern for the radiosity text images.
It's made of two orthogonal gradient patterns which are
placed on the black and white fields of the checker patter
respectively.
With brighter colors with some more yellow in it it makes a nice
weaved paper or weaved wood pattern.
I sometimes use it as a replacement for the standard checker board.

The texture statement looks like this.

texture {
 pigment {
  checker
  pigment { gradient x
   color_map {
    [0.0 rgb 0][0.1 rgb 0.05]
    [0.1 rgb <1/2,1/2,1/2>][0.9 rgb <1/2,1/2,1/2>]
    [0.9 rgb 0][1.0 rgb 0.05]
   }
  }
  pigment { gradient z
   color_map {
    [0.0 rgb 0][0.1 rgb 0.05]
    [0.1 rgb <1/4,1/4,1/4>][0.9 rgb <1/4,1/4,1/4>]
    [0.9 rgb 0][1.0 rgb 0.05]
   }
  }
 }
 finish { ambient 0 diffuse 1 }
}

Sebastian


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