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What, exactly, will happen to the
camera vectors; direction, right and up
if one specifies both direction and
angle in a camera statement for a
perspective camera ?
I have read the camera section (6.4) in
the documentation, but I am not able to
find an answer there to this question.
(I think I understand what happens if
either an angle or a direction vector
is given, but I do not understand what
happens if both are given.)
Tor Olav
 
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Sorry, I don't know why I wrote camera
normals in the subject line, instead of
camera vectors.
Tor Olav
Tor Olav Kristensen <tor### [at] hotmail com> wrote in 
news:Xns### [at] 204 213 191 226:
> What, exactly, will happen to the
> camera vectors; direction, right and up
> if one specifies both direction and
> angle in a camera statement for a
> perspective camera ?
> 
> I have read the camera section (6.4) in
> the documentation, but I am not able to
> find an answer there to this question.
> 
> (I think I understand what happens if
> either an angle or a direction vector
> is given, but I do not understand what
> happens if both are given.)
> 
> 
> Tor Olav
 
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From: Thorsten Froehlich 
Subject: Re: Question about camera normals 
Date: 20 Jan 2003 08:31:24 
Message: <3e2bfa2c@news.povray.org> 
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In article <Xns### [at] 204 213 191 226> , Tor Olav Kristensen
<tor### [at] hotmail com>  wrote:
> What, exactly, will happen to the
> camera vectors; direction, right and up
> if one specifies both direction and
> angle in a camera statement for a
> perspective camera ?
>
> I have read the camera section (6.4) in
> the documentation, but I am not able to
> find an answer there to this question.
>
> (I think I understand what happens if
> either an angle or a direction vector
> is given, but I do not understand what
> happens if both are given.)
The direction vector direction is used while the angle determines its
length.
    Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trf de
Visit POV-Ray on the web: http://mac.povray.org
 
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"Thorsten Froehlich" <tho### [at] trf de> wrote in
news:3e2bfa2c@news.povray.org: 
> In article <Xns### [at] 204 213 191 226> , Tor Olav
> Kristensen <tor### [at] hotmail com>  wrote:
> 
>> What, exactly, will happen to the
>> camera vectors; direction, right and up
>> if one specifies both direction and
>> angle in a camera statement for a
>> perspective camera ?
...
> The direction vector direction is used while the angle determines
> its length.
Thank you Thorsten.
Tor Olav
 
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