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How do I find a plane that passes through 3 points in space?
--
Kaveh
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news: kav### [at] netplex aussieorg...
> How do I find a plane that passes through 3 points in space?
>
> --
> Kaveh
In pov dialect:
#include "functions.inc"
#declare A=<2,0,0>; // whatever
#declare B=<0,1,0>; // whatever
#declare C=<0,4,5>; // whatever
plane {
vcross(B-A,C-A)
vdot(A,vnormalize(vcross(B-A,C-A)))
pigment{color rgb 1}
finish{ ambient .5}
}
--
Pascal.
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Pascal <net### [at] freesurffr> wrote:
> #include "functions.inc"
Where was that needed?
--
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}// - Warp -
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3fe463e5@news.povray.org...
> Pascal <net### [at] freesurffr> wrote:
> > #include "functions.inc"
>
> Where was that needed?
>
My mistake. Hopefully the rest of the code is correct.
--
Pascal.
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In article <3fe46ab8@news.povray.org>, "Pascal" <net### [at] freesurffr>
wrote:
[...]
> My mistake. Hopefully the rest of the code is correct.
Sure does. Thanks a million, Pascal.
--
Kaveh
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From: Tor Olav Kristensen
Subject: Re: Plane going through three points
Date: 20 Dec 2003 12:19:00
Message: <3fe48484@news.povray.org>
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"Pascal" <net### [at] freesurffr> wrote in news:3fe45a84$1@news.povray.org:
...
> plane {
> vcross(B-A,C-A)
> vdot(A,vnormalize(vcross(B-A,C-A)))
...
> }
Or just:
plane {
vcross(B - A, C - A), 0
translate A
...
}
Tor Olav
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