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I haven't followed this thread, but after a brief glance, I think it is closely related to the PIPE function I
introduced in
http://www.lugnet.com/cad/dev/?n=4278
Or...?
/Tore
"Fredrik Glöckner" wrote:
> John Jensen <skurt@vip.cybercity.dk> writes:
>
> > Consider two edge.dat's same orientation, same position but with
> > different diameters. If one where to fill out the space between them,
> > one would have a disc with a hole in it.
> >
> > To fill in the space between:
> >
> > inline the two edge's, switch the points in each line of one of the
> > edges, copy and paste the coordinates from each line to the end of the
> > corresponding line in the other edge, and voila....
>
> I have made a function in LDraw-mode which does this. In your
> example, you would put the cursor on the first type-2 line in the
> first edge, set the mark (C-SPC) move down to the first type-2 line in
> the second curve and hit C-c C-f. Voila.
>
> The function also inserts type-2 lines on each side of the space
> filled in, unless both edge-curves are cyclic. If the quads required
> are not planar, they are split into two triangles each. Type-5
> conditional lines are filled in between each quad or triangle added.
>
> As Steve Bliss noted, one shouldn't use this function to generate a
> ring or cone: It is better to use a primitive or have one requested if
> it is needed. But it can be useful for making "difficult" surfaces,
> like a cone where the upper edge is oval and the lower is a circle,
> say. Or something even more complicated.
>
> Fredrik
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Message has 1 Reply:
 | | Re: A discovery? and part 3475
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| (...) related. Quite a coincident! Your function takes two (or more) 4-4edge primitives and connects them with quads, to create a "pipe" like object. My function takes two arbitrary connected curves made up of type-2 lines and fills in the space (...) (25 years ago, 2-Apr-00, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: A discovery? and part 3475
|
| (...) I have made a function in LDraw-mode which does this. In your example, you would put the cursor on the first type-2 line in the first edge, set the mark (C-SPC) move down to the first type-2 line in the second curve and hit C-c C-f. Voila. The (...) (25 years ago, 2-Apr-00, to lugnet.cad.dat.parts, lugnet.cad.dev)
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