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Date: Sat, 14 Oct 1995 11:57:25 -0600
From: James Jones/Nibbles and Bits <[e-mail]>
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Subject: modeling webs and nets

[e-mail] said:

>Imagine a box modeled with three segments in each of the x-y-and z axes,
>that is, a square nine-segment box.  I would like to be able to convert
>that box to a latticework of two-point polygons so that the resulting 3D
>object looks like a playground jungle-jim.  Of course, I could just kill
>the polys and manually connect each pair of points with a two-point
>polygon, but I bet there's a less labor intensive way to do it.
>In fact I'm sure there is because I've done it by accident, but I don't
>remember how.  I think this might be a useful method of creating ropey
>nets and spider webs and such.  Anyone know how to do it?

   Yup. (One way, at least.)

   1. Use Bevel (inset = 0, shift = 1 mm) on all the polygons in the object.
   2. Do a Merge Points with an absolute value of 10 mm.
   3. Do a Unify (Polygon Menu).
   4. Do another Merge Points with the same absolute value.
   5. Do another Unify.
   6. Hit Polygon Statistics ("w" key) and select all the 2-point polys.
   7. Copy them to another layer.

   Notes:
   A. The measurements given assume your object has enough room
around its points to allow Bevelling and Point Merging without
combining some of the original object's points. Adjust the settings
accordingly for much smaller objects.
   B. Don't know why you have to do TWO Merge-Points/Unify passes,
but it's necessary to get this to work right.

   Thanks for asking this question... I had no motivation to figure
this out till seeing your post. :)

   -Jim

James G. Jones
Nibbles & Bits
[e-mail]
___
* UniQWK #5134*

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