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 CAD / Ray-Tracing / 1489
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Subject: 
Re: Excellent rendering... (need new l3p)
Newsgroups: 
lugnet.cad.ray
Date: 
Fri, 20 Sep 2002 13:30:39 GMT
Viewed: 
1033 times
  
In lugnet.cad.ray, Anders Isaksson writes:
Hmm, I've made some tests too, but not seen anything like what you describe.
Veeerrryyy slow to render with radiosity, though, and a bit difficult to get
the colors I want.

http://www.brickshelf.com/gallery/anders-isak/Test/test.jpg
http://www.brickshelf.com/gallery/anders-isak/Test/test1.jpg
http://www.brickshelf.com/gallery/anders-isak/Test/test2.jpg

Absolutely no post-processing done to these (OK, made .jpg of them),
transparent parts in two of them.


Beginning of .pov file:

#declare AMB = 0;
#declare DIF = 0.8;

global_settings {
assumed_gamma 1
ambient_light 0
max_trace_level 25
adc_bailout 1/150
radiosity {
   pretrace_start 0.08
   pretrace_end 0.01
   count 300
   error_bound 0.1
   recursion_limit 1
}
}

... and at the end:

<remove the light sources>

sky_sphere {
pigment {
   gradient -y
   color_map {
     [0.5 rgb 1.25]
     [1 rgb <.5,.7,1>*1.1]
   }
}
}

object {
plane { y, 19 hollow }
texture {
pigment { color rgb 1 }
finish { ambient 0 diffuse 1 }
}
translate 500*y
}

// Camera (Latitude,Longitude,Radius = 30,45,0)
camera {
   location <-525.469435445558,-342.020153999329,-779.040517801086>
sky      -y
right    -4/3*x
   look_at <-10, -68, -10>
   angle 45
rotate   <0,1e-5,0> // Prevent gap between adjecent quads
//orthographic

focal_point <150,-50,-150>
aperture 25
blur_samples 70
variance 1/1000
}


Gotta love the radiosity pics!  So the big question now is how
close is the next release of l3p?  You know, the one that supports
all this on the command line with -ib -ie -il and -ci as mentioned
in this thread.

  http://news.lugnet.com/cad/ray/?n=1317

I can't wait.

Don



Message has 1 Reply:
  Re: Excellent rendering... (need new l3p)
 
(...) Yes, I really appreciate that Lars C Hassing contacted the POV-Ray forum for new ideas to improve the renderings. By the way, has anybody tried to combine the "new style" rendering with the edge detection concept in MEGA-POV? Perhaps that (...) (22 years ago, 20-Sep-02, to lugnet.cad.ray)

Message is in Reply To:
  Re: Excellent rendering...
 
"Coby Bassett" <coby@tubafrog.com> skrev i meddelandet news:H2LqHH.Hzo@lugnet.com... (...) test (...) pieces. (...) Hmm, I've made some tests too, but not seen anything like what you describe. Veeerrryyy slow to render with radiosity, though, and a (...) (22 years ago, 18-Sep-02, to lugnet.cad.ray)

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