POV-Ray : Newsgroups : povray.binaries.images : Rope macro : Re: Rope macro Server Time
7 Aug 2024 13:20:28 EDT (-0400)
  Re: Rope macro  
From: Bruno Cabasson
Date: 15 Feb 2006 09:10:01
Message: <web.43f33535586490b282fc96790@news.povray.org>
"Trevor G Quayle" <Tin### [at] hotmailcom> wrote:
> "Bruno Cabasson" <bru### [at] alcatelaleniaspacefr> wrote:
> > Hi there!
> >
> > Here is an attempt for a macro to build a rope that follows a spline using
> > blob objects. I think the result is quite satisfactory and fast. I post the
> > corresponding include file and the sample scene in p.b.s-f.
> >
> >    Regards.
> >
> >      Bruno
>
> One slight nitpick and over-analyzation.  Your rope has been defined with a
> "lang lay" twist (http://www.dcl-usa.com/wire_rope/).  That is the
> individual strands twist in the same direction as the strand groups.  This
> is not a common way to make rope and is susceptible to twisting and
> unraveling.  The more common (especially in regular rop as opposed to wire
> rope) type is the regular lay, where the strands twist opposite the strand
> groupings, resitsting unraveling.
>
> Probably more information than you ever needed to know about rope...
>
> -tgq

No problem, I just have to add a minus sign ... Here is the result.

   Thanks

      Bruno


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