Subject:
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Re: Using stickers on LDraw models
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Newsgroups:
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lugnet.cad
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Date:
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Mon, 6 Jun 2005 19:40:41 GMT
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Viewed:
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1133 times
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In lugnet.cad, Travis Cobbs wrote:
> In lugnet.cad, Niels Karsdorp wrote:
>
> > Hello,
> >
> > I have a question about using stickers on LDraw models and rendering these in
> > PovRay (and other renderers). Stickers are 0.25 LDU thick, with the rear
> > (bottom) at y=0 and the front (top) at y=-0.25. When using a sticker it is lined
> > up with the rear attached to the bricks. The front is then 0.25 LDU away from
> > the brick surface.
> >
> > When rendering with the default seam width of 0.5 the sticker disappears
> > (because the width of only 0.25 LDU). When I set the seam width to something
> > smaller, like 0.2, the sticker appears, but the seams are small or hardly
> > visible. Isn't it possible to somehow have the stickers not reduced in size when
> > applying seam widths? Maybe a new metacommand?
>
>
> Lars should probably update L3P to not apply seams to objects that have any
> dimension less than or equal to the seam width. I added that feature to LDView
> at some point for just such a problem.
Yes, this is clearly a bug. I've never used stickers, gotta try it.
> I don't think a metacommand is appropriate when the problem can be solved
> automatically, and a meta-command would require an L3P update just like the
> automatic solution.
I don't think the problem can be solved automatically.
Well, avoiding the sticker disappearing can.
But simply not applying seams or only applying seams in any dimension wide enough
would leave the sticker floating above the part.
The only way to have the part and the sticker rendered correctly
is to group them, so they can be shrunk together.
While this could be accomplished with a new meta-command,
it can also be done today using MPD:
simply put the sticker and the part into a subfile
and make sure the file type is "part" ("0 Unofficial part").
/Lars
PS. Unfortunately the current L3P doesn't recognize "0 Unofficial part"
so you must put the subfile into the PARTS directory to have it considered a part
for still a little while...
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Message has 2 Replies:
 | | Re: Using stickers on LDraw models
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| Lars C. Hassing schrieb: (...) snip (...) Can this also be done if the sticker is larger than one part? And what will be with the seam in the "sub-part"? Mikeheide (19 years ago, 6-Jun-05, to lugnet.cad)
| | | Re: Using stickers on LDraw models
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| (...) Well, I just tried Niels's L-386 on top of two 2x2 tiles, all three parts put into a subfile. However, this construction failed to generate a seam between the two tiles. The subfile trick only works (or works best) if the sticker is applied to (...) (19 years ago, 6-Jun-05, to lugnet.cad)
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Message is in Reply To:
| | Re: Using stickers on LDraw models
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| (...) Lars should probably update L3P to not apply seams to objects that have any dimension less than or equal to the seam width. I added that feature to LDView at some point for just such a problem. I don't think a metacommand is appropriate when (...) (19 years ago, 5-Jun-05, to lugnet.cad)
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