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Subject: 
Re: Datsville continuation - more ideas
Newsgroups: 
lugnet.cad, lugnet.cad.dev, lugnet.cad.ray
Date: 
Mon, 13 Aug 2001 06:17:11 GMT
Viewed: 
84 times
  
In lugnet.cad, Tore Eriksson writes:
Here's a first working version of what I was thinking about:
http://home.swipnet.se/simlego/ldraw/ldboxer.zip

The *.box files have to be in the P, Parts, Models, or LDraw BaseDirectory.
The boxes.lst file has to be in the LDraw BaseDirectory.

Will it make life easier for the POV-Ray engine?
/Tore


Doesn't POVray do this inately?  After all, at some point POVray has to
decide which information it will display, and which information it will not
display.  Wouldn't it speed up the rendering process even more if all LDraw
models were turned into hollow shells?

Ok, I haven't really experimented very much with omitting polygons from
LDraw models (I said I would in previous posts... but...).  But, after all
invisible lines/boxes have been deleted, how many polygons are left over in
comparison to those in, say, Unreal or Quake?

An interesting question that gets me thinking...

Oh, this is actually just becoming a continuation of a thread. I suggested
this  in a previous <A
HREF="http://news.lugnet.com/cad/dat/parts/?n=1298">post</A>, and Steve
Bliss gave an intelligent suggestion as an answer in this <A
HREF="http://news.lugnet.com/cad/dev/?n=4787">post</A>.

It seems to me this topic has been well covered before.  What has been
accomplished in this area so far, and what are your plans for future usage
and implementation?  I could think of a myriad of uses.  It could open the
door to areas where processor limitations existed before.  And, this doesn't
just center on and around, exclusively, POVray.

I can think of another <A
HREF="http://news.lugnet.com/cad/ray/?n=596">thread</A> that would achieve
similar results in "simplification".  Instead of replacing the brick with a
box.dat part, you could replace it with a POVray primitive.

Sorry to be redundant.

Mike



Message has 1 Reply:
  Re: Datsville continuation - more ideas
 
(...) I don't know. That's why I asked. :o) I will try to render a lot of ttore.dat's in a model and compare the time used to the time used to render the same model with box replacements. (...) Yes, but how do we accomplish that still avoiding bad (...) (23 years ago, 13-Aug-01, to lugnet.cad, lugnet.cad.dev, lugnet.cad.ray)

Message is in Reply To:
  Re: Datsville continuation - more ideas
 
Here's a first working version of what I was thinking about: (URL) *.box files have to be in the P, Parts, Models, or LDraw BaseDirectory. The boxes.lst file has to be in the LDraw BaseDirectory. Will it make life easier for the POV-Ray engine? (...) (23 years ago, 13-Aug-01, to lugnet.cad, lugnet.cad.dev, lugnet.cad.ray)

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