Raf256 nous apporta ses lumieres en ce 09-03-2007 05:40:
> Alain <45f0a97a$1@news.povray.org> Friday 09 of March 2007 01:25

>> Set focal_point to the location of that object. Easy if the object is
>> created around the origin then translated, set the translation vector in a
>> #declare and use that same value for the focal_point.

> Not exacly. 

> I ment - with using Trace to find out the *point on surface* of the object
> witch is vissible in middle of camera view 

In that case, trace from the camera location along the direction vector to your 
point of interest. Use the returned value as the focal_point of your camera. 
Call the trace with normal vector and test it to make sure you don't miss your 
object.

-- 
Alain
-------------------------------------------------

Did you know that Al Capone's business card said he was a used furniture dealer.

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