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Subject: 
Re: Tubing
Newsgroups: 
lugnet.cad
Date: 
Fri, 15 Sep 2000 10:47:39 GMT
Viewed: 
550 times
  
Travis Dickinson <sivar@bellsouth.net> writes:

Can anyone tell me how to generate in LEdit or POV-Ray the tubing
found in the Hydronauts set #6150?

This one is somewhat tricky.  Not only is the tube curved -- it is
also somewhat "fatter" in the ends, because it is put onto some thin
cylindrical elements.

If you overlook the "fat" ends, you can use a tool I've made to model
a curved hose in LDraw:

    http://www.math.uio.no/~fredrigl/technic/ldraw-mode/#bezier

Note that the elements needed to make a bent flexible Technic
Flex-System Hose are still unofficial.  They are in the current vote.

The Technic Flex-System Hoses are probably not quite like the tubing
in your set, but I guess that they are still mostly the same.

It is probably just as easy to model the hoses in POV-Ray directly.  I
haven't done something like this myself, but I seem to remember that
POV-Ray has support for Bézier curves.  I've found the POV-Ray manual
to be a good source of information but I know that other people
disagree.

If you are going to model the tube in POV-Ray, you may want to
disregard the interior of the tube and simply model it as bent 12LDU
thick cylinder.

Fredrik



Message has 2 Replies:
  Re: Tubing
 
(...) Oops, I meant 8LDU, not 12LDU. Fredrik (24 years ago, 15-Sep-00, to lugnet.cad)
  Re: Tubing
 
I had downloaded Emacs and ldraw-mode about two weeks ago. I was at a loss as to what to do next until I found the article you wrote on Lugnet. Now that I have ldraw-mode working, I'm curious about the number that needs to be inputted for the tube (...) (24 years ago, 16-Sep-00, to lugnet.cad)

Message is in Reply To:
  Tubing
 
Can anyone tell me how to generate in LEdit or POV-Ray the tubing found in the Hydronauts set #6150? Travis Dickinson (24 years ago, 15-Sep-00, to lugnet.cad)

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