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Subject: 
Re: Question about LPub PLIs
Newsgroups: 
lugnet.cad
Date: 
Tue, 7 Oct 2003 02:50:27 GMT
Viewed: 
812 times
  
In lugnet.cad, Joel Hoornbeek wrote:
In lugnet.cad, Kevin L. Clague wrote:
In lugnet.cad, Joel Hoornbeek wrote:
In lugnet.cad, Kevin L. Clague wrote:


Ok, I've saved the first POV file that was generated.  Here is the camera
section of the code; I had specified a minimum distance of 75000:

// Camera (Latitude,Longitude,Radius = 0,0,0)
camera {
#declare PCT = 0; // Percentage further away
#declare STEREO = 0; // Normal view
//#declare STEREO =  degrees(atan2(1,12))/2; // Left view
//#declare STEREO = -degrees(atan2(1,12))/2; // Right view
location vaxis_rotate(<0,2.55207,-51858.9> + PCT/100.0*<0,0,-51858.9>,
                      <0,-2.68935e+009,0>,STEREO)

I would have thought that the <0,2.55207,-51858.9> was the camera distance,
but taking the square root of the squares of these numbers is less than 75000,
so I would have expected it to be 75000.

Are you using mega-pov?  Someone reported that mega-pov was broken in this area.

Kevin

sky      -y
right    -4/3*x
look_at  <0,2.55207,0> // calculated
angle    1
rotate   <0,1e-5,0> // Prevent gap between adjecent quads
//orthographic
}

Unfortunately, nothing jumps out at me as being related to the minumum distance,
but that may just be my ignorance of the POV syntax.
For now, I'll keep going with trial and error to get the distance right.  Of
course, if you have any other suggestions, I'd be glad to hear them.

-Joel



Message has 2 Replies:
  Re: Question about LPub PLIs
 
(...) <snip> Yes, I'm using POV-Ray 3.1 with MegaPOV 0.7. -Joel P.S. Thanks for your very quick responses to my posts! (21 years ago, 7-Oct-03, to lugnet.cad)
  Another question about LPub PLIs
 
<snip> Hello again, I've come up with something else that I thought I'd mention. I ran my file through LPub last night, with the minimum distance for the steps set at 100000 (which, by the way, seems to be about what I need to fix my scale (...) (21 years ago, 7-Oct-03, to lugnet.cad)

Message is in Reply To:
  Re: Question about LPub PLIs
 
(...) Ok, I've saved the first POV file that was generated. Here is the camera section of the code; I had specified a minimum distance of 75000: // Camera (Latitude,Longitude,Radius = 0,0,0) camera { #declare PCT = 0; // Percentage further away (...) (21 years ago, 7-Oct-03, to lugnet.cad)

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