Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: Error in 2357.dat (or in LDGLite)
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Newsgroups:
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lugnet.cad.dat.parts, lugnet.cad.dev
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Date:
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Fri, 9 Feb 2001 18:30:11 GMT
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Viewed:
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1225 times
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In lugnet.cad.dat.parts, Don Heyse writes:
> In lugnet.cad.dat.parts, Jacob Sparre Andersen writes:
> > There seems to be an error in 2357.dat (or in LDGLite).
> >
> > It looks like the winding has been swapped for some of the
> > sides, so the wrong surfaces are drawn. This is only visible
> > in some special cases.
> >
> > When you render the example below with LDGLite using the
> > command line argument "-a1,0,1,-0.5,-1,0.5,1,0,-1", the
> > blue from the neighbouring brick bleeds through because of
> > this.
>
> Well it renders the same way in l3lab so it's a bug in the part.
> I think the problem is that the inside surface is missing. This
> lets us see through to the outside surface of the 2357 brick which
> occupies the exact same space as the outside surface of the adjacent
> brick. Thus you see blue sometimes and black other times depending
> on roundoff errors.
>
> > 0 FILE 2357-fejl.dat
> > 0
> > 0 Render with:
> > 0 ldglite -a1,0,1,-0.5,-1,0.5,1,0,-1 2357-fejl.dat
> >
> > 1 1 20 56 -270 1 0 0 0 1 0 0 0 1 3004.dat
> > 1 0 -30 56 -270 0 0 1 0 1 0 -1 0 0 2357.dat
This looks like an accidental omission by the (un-named) original author of all
the inside faces. Here is a corrected version, which I'll also send in to
Steve for the next update.
Chris
0 Brick 2 x 2 Corner
0 Name: 2357.DAT
0 Author: ?
0 Corrected Part
0 Inserted missing inside faces - Chris Dee - 09Feb2001
1 16 0 4 10 1 0 0 0 -5 0 0 0 1 stud3.dat
1 16 10 4 0 1 0 0 0 -5 0 0 0 1 stud3.dat
2 24 6 24 26 -6 24 26
2 24 -6 24 26 -6 24 -6
2 24 -6 24 -6 26 24 -6
2 24 26 24 -6 26 24 6
2 24 26 24 6 6 24 6
2 24 6 24 6 6 24 26
2 24 6 4 26 -6 4 26
2 24 -6 4 26 -6 4 -6
2 24 -6 4 -6 26 4 -6
2 24 26 4 -6 26 4 6
2 24 26 4 6 6 4 6
2 24 6 4 6 6 4 26
2 24 6 24 26 6 4 26
2 24 -6 24 26 -6 4 26
2 24 -6 24 -6 -6 4 -6
2 24 26 24 -6 26 4 -6
2 24 26 24 6 26 4 6
2 24 6 24 6 6 4 6
2 24 10 24 30 -10 24 30
2 24 -10 24 30 -10 24 -10
2 24 -10 24 -10 30 24 -10
2 24 30 24 -10 30 24 10
2 24 30 24 10 10 24 10
2 24 10 24 10 10 24 30
2 24 10 0 30 -10 0 30
2 24 -10 0 30 -10 0 -10
2 24 -10 0 -10 30 0 -10
2 24 30 0 -10 30 0 10
2 24 30 0 10 10 0 10
2 24 10 0 10 10 0 30
2 24 10 0 30 10 24 30
2 24 -10 0 30 -10 24 30
2 24 -10 0 -10 -10 24 -10
2 24 30 0 -10 30 24 -10
2 24 30 0 10 30 24 10
2 24 10 0 10 10 24 10
4 16 10 24 30 6 24 26 -6 24 26 -10 24 30
4 16 -10 24 30 -6 24 26 -6 24 -6 -10 24 -10
4 16 -10 24 -10 -6 24 -6 26 24 -6 30 24 -10
4 16 30 24 -10 26 24 -6 26 24 6 30 24 10
4 16 30 24 10 26 24 6 6 24 6 10 24 10
4 16 10 24 10 6 24 6 6 24 26 10 24 30
4 16 26 4 6 -6 4 6 -6 4 -6 26 4 -6
4 16 6 4 26 6 4 6 -6 4 6 -6 4 26
4 16 30 0 10 -10 0 10 -10 0 -10 30 0 -10
4 16 10 0 30 10 0 10 -10 0 10 -10 0 30
4 16 10 24 30 -10 24 30 -10 0 30 10 0 30
4 16 -10 24 30 -10 24 -10 -10 0 -10 -10 0 30
4 16 -10 24 -10 30 24 -10 30 0 -10 -10 0 -10
4 16 30 24 -10 30 24 10 30 0 10 30 0 -10
4 16 30 24 10 10 24 10 10 0 10 30 0 10
4 16 10 24 10 10 24 30 10 0 30 10 0 10
4 16 6 24 26 -6 24 26 -6 4 26 6 4 26
4 16 -6 24 26 -6 24 -6 -6 4 -6 -6 4 26
4 16 -6 24 -6 26 24 -6 26 4 -6 -6 4 -6
4 16 26 24 -6 26 24 6 26 4 6 26 4 -6
4 16 26 24 6 6 24 6 6 4 6 26 4 6
4 16 6 24 6 6 24 26 6 4 26 6 4 6
1 16 0 0 0 1 0 0 0 1 0 0 0 1 stud.dat
1 16 20 0 0 1 0 0 0 1 0 0 0 1 stud.dat
1 16 0 0 20 1 0 0 0 1 0 0 0 1 stud.dat
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Message is in Reply To:
 | | Re: Error in 2357.dat (or in LDGLite)
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| (...) Well it renders the same way in l3lab so it's a bug in the part. I think the problem is that the inside surface is missing. This lets us see through to the outside surface of the 2357 brick which occupies the exact same space as the outside (...) (24 years ago, 8-Feb-01, to lugnet.cad.dat.parts, lugnet.cad.dev)
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