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 CAD / Ray-Tracing / 2077
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Subject: 
Re: Simple POV-Ray Question - Perspective
Newsgroups: 
lugnet.cad.ray
Date: 
Mon, 26 Jan 2004 23:23:01 GMT
Viewed: 
5058 times
  
In lugnet.cad.ray, Larry Pieniazek wrote:
> In lugnet.cad.ray, Kevin L. Clague wrote:
> > In lugnet.cad.ray, Shaun Sullivan wrote:
> > > Hi All,
> > > 
> > > I should know this ... what's the trick for turning off "perspective", if you
> > > will, so that you can do a straight-on side view?  That is, to remove the
> > > "vanishing into the horizon" effect?
> > > 
> > > ISO views, is that what it's called?  Ugh ...
> > 
> > Using orthographic does not always work.  You can get the same effect by seeing
> > the camera angle to 0.1
> 
> Don't you then have to move the camera a ways back to get all your objects in
> the image compared to larger camera angles?

L3P automatically moves the camera further away, please see
http://www.hassings.dk/l3/l3p_ca.html
-ca1 is currently the way to go.

I placed the "//orthographic" line in the camera setting only as a convenience
if you want to experiment with that camera - you will have to adjust the camera location/look_at.

In the coming release I plan extending the automatic camera positioning algorithm
to also work for orthographic camera (-co), but the orthographic camera in PovRay3.5
is playing tricks with me, it works as expected in PovRay3.1.
See also http://news.lugnet.com/cad/?n=9072
/Lars



Message is in Reply To:
  Re: Simple POV-Ray Question - Perspective
 
(...) Don't you then have to move the camera a ways back to get all your objects in the image compared to larger camera angles? This is what I tend to do, long ways away, small canera angle (anaogous to "telephoto" in real photogs, the images there (...) (23 years ago, 23-Jan-04, to lugnet.cad.ray)

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