POV-Ray : Newsgroups : povray.newusers : Perspective problem w/ Hight_field : Re: Perspective problem w/ Hight_field Server Time
2 Nov 2024 07:22:50 EDT (-0400)
  Re: Perspective problem w/ Hight_field  
From: gonzo
Date: 13 Aug 2004 01:16:57
Message: <411c4ec9@news.povray.org>
destroyedlolo wrote:
> To explain better my problem, please have a look on a real photo :
> 
> http://mamaf.online.fr/Annecy/image13.htm
> 
> And now my POV image (almost from the same point of view) :
> 
> http://destroyedlolo.homeunix.org:8080/~laurent/Lac.jpg
> 
> As you can see, the little hill in the 1st plan is quite ok but the big 
> mountain on the background looks very very flattened.
> 
> Thanks for any help
> 
> Laurent


Hi Laurent, the photo is using a very long focal length lens which 
compresses distance and exaggerates perspective. Looks like an 700mm or 
higher lens.

One of the POV gurus may know how to convert standard camera focal 
lengths into POV statements, but I don't :-(

You should read sections 2.3.1.1.3, 2.3.1.1.4, and  2.3.1.1.5 of the 
POV-Ray docs about camera angles and distance.  If its possible, you may 
be able to do it with just the direction & angle keywords, or else try 
moving your camera further back and use a smaller angle.

RG


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