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 CAD / Ray-Tracing / 1286
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Subject: 
Newbie having trouble ray tracing MLCad models
Newsgroups: 
lugnet.cad.ray, lugnet.loc.us.ny.ny
Followup-To: 
lugnet.cad.ray
Date: 
Thu, 30 May 2002 18:01:44 GMT
Viewed: 
4520 times
  
I need help.  I am to ray-tracing Lego models.  I haven’t done ray tracing
for about 7-8 years, and want to ray-trace the models I created in MLCad.  I
have installed L3P, L3PAO, and POVRAY onto my computer. Everything seems to
work fine with L3PAO when I select the model I ray traced.  I just want to
use a default from L3PAO and then play with it after POVRAY does the quick
render.  When I press the “Run L3P” button, the L3P window pops-up
momentarily.  Then Povray opens, and then it does some stuff, but I’m
getting error messages.  Here IS what I get in the top bow with white
background:

// Generated by L3P v1.3 20010120  (C) 1998-2001 Lars C. Hassing
lch@ccieurope.com
// WWW: http://home16.inet.tele.dk/hassing/l3p.html
// WWW: http://www.ldraw.org/download/software/l3p
// Date: Wed May 29 16:19:24 2002
// Input file: C:\LDRAW\MODELS\Ambulance\Ambulance (wide) NYC.dat
// ModelDir: C:\LDRAW\MODELS\Ambulance\
// LDRAWDIR: C:
// Commandline: C:\LDRAW\l3p\L3P.exe C:\LDRAW\MODELS\Ambulance\Ambulance
(wide) NYC.dat C:\LDRAW\L3P -cg45,45,0 -lg45,0,0 -lg30,120,0 -lg60,-120,0
-fg -bu -sw0.5 -q3 -o

// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !
// Empty model                                                               !

I am lost with this stuff.  When I did ray tracing, it was in its toddler
years when you did complex fomulas in this primative program.  I was really
good at it, but have forgot most of it.  Is this problem due to a mix-up
with the camera, lighting source, or is it importing the model incorrectly?
Am I do something wrong with L3PAO?  You’re help is greatly appreciated.  If
there is anyone in the NYC area that I could talk to over the phone to walk
me through this, please let me know.  Thanks.

Christopher Dean



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