POV-Ray : Newsgroups : povray.beta-test : the lowest pixel getting dimmed Server Time
30 Jul 2024 12:22:04 EDT (-0400)
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From: Thorsten Froehlich
Subject: Re: the lowest pixel getting dimmed
Date: 29 Dec 2001 12:29:50
Message: <3c2dfd8e@news.povray.org>
In article <3c2de5e0$1@news.povray.org> , "Anders K." 
<and### [at] prostard2gcom> wrote:

> However, adding one row and column doesn't even work: it scales everything
> by <(w+1)/w, (h+1)/h>. And for camera types other than orthographic, moving
> the camera doesn't work either, since objects closer to the camera would get
> shifted more than objects farther away. Rotating the camera would skew the
> whole image unpredictably. So there is no satisfactory workaround.

Actually, a quick look at the code suggests that your observation may not be
correct (but I never really cared about this part of the code before)...

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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From: Anders K 
Subject: Re: the lowest pixel getting dimmed
Date: 29 Dec 2001 13:17:54
Message: <3c2e08d2@news.povray.org>
> > However, adding one row and column doesn't even work: it scales
everything
> > by <(w+1)/w, (h+1)/h>. And for camera types other than orthographic,
moving
> > the camera doesn't work either, since objects closer to the camera would
get
> > shifted more than objects farther away. Rotating the camera would skew
the
> > whole image unpredictably. So there is no satisfactory workaround.
>
> Actually, a quick look at the code suggests that your observation may not
be
> correct [...]...

How so?

Anders

--
light_source{6#macro A(B)#declare C=mod(E B);#declare E=(E-C)/B;C#end
#macro B(E)#while(E)#if(A(8)=7)#declare D=D+2.8;#else#if(C<3)cylinder
{0(C=<1 2>).2translate<D+C*A(2)A(4)#else intersection{torus{1 .2}box{
-y 2}rotate<-1 0C+1>*90translate<D+1A(2)*2+1#end-2 13>finish{specular
1}pigment{red 1}}#end#end#end#local D=-8;1}B(445000298)B(519053970)B(
483402386)B(1445571258)B(77778740)B(541684549)B(42677491)B(70)


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