Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: LDDP current version - BUG?
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Newsgroups:
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lugnet.cad
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Date:
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Sun, 31 May 2009 08:31:18 GMT
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Viewed:
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8261 times
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In lugnet.cad, Orion Pobursky wrote:
> In lugnet.cad, Michael Heidemann wrote:
> > I just came across the following problem.
> > For part http://www.ldraw.org/cgi-bin/ptdetail.cgi?f=parts/3069bpb1.dat LDDP
> > generate 2 error regarding planarity.
> > Planarcheck does not.
> >
> > Anybody with similar experience?
>
> I just checked this part. The 2 lines in question look to be concave in LDView.
>
> -Orion
I just checked an LDView reports concave quads. Can somebody explain that to me,
as I believed it can be checked with planarcheck, but co-planarity is ok.
One other thing.
At part http://www.ldraw.org/cgi-bin/ptdetail.cgi?f=parts/s/2859s01.dat LDDP
does not find any double lines. But there are double lines.
2 24 155.00 -5.50 -41.00 155.00 -5.50 -27.00
2 24 155.00 -5.50 -27.00 155.00 -5.50 -41.00
These two lines seems to me identical.
Also LDView does not report them!
cu
mikeheide
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Message has 3 Replies:
 | | Re: LDDP current version - BUG?
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| (...) Concave is not the same as co-planer. Co-planarity checks to see if all the points in the quad lie on the same plane (with in some tolerance). You can have a co-planer, concave quad. (...) Those are illegal type 2 lines as they have 3 points (...) (15 years ago, 31-May-09, to lugnet.cad)
| | | Re: LDDP current version - BUG?
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| (...) It seem the author uploaded a fix so I can't check with that file. I did find a bug that may have cased you problem though. I've uploaded a new version of LDDP that fixes this bug: https://sourceforge....a=23750809 -Orion (15 years ago, 1-Jun-09, to lugnet.cad)
| | | Re: LDDP current version - BUG?
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| (...) LDView doesn't check for duplicate lines at all, and probably won't ever, since it would add too much time to the loading time. Yes, you could disable that one warning, but I think that too many of my users leave all warnings and errors (...) (15 years ago, 1-Jun-09, to lugnet.cad)
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