Subject:
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Re: Mirrored parts and studs
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 2 Jul 2003 00:54:30 GMT
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Viewed:
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1193 times
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In lugnet.cad.dev, Orion Pobursky wrote:
> 1.) Nothing is wrong with the part. The stud logos are added by an external
> program and are not part of the DAT code. This is, therefore, a limitation of
> the external program and not of the part itself.
That is my opinion. The programs should be changed, rather than the
parts.
One thing to consider: even if we 'fix' all the part files so that all
studs render non-mirrored logos, mirrored logos can still occur. For
example, if someone created a left-hand wing for an airplane, they might
make the right-hand counterpart via a mirrored reference to the left
wing:
1 7 0 0 0 1 0 0 0 1 0 0 0 1 leftwing.ldr
1 7 0 0 0 -1 0 0 0 1 0 0 0 1 leftwing.ldr
In this scenario, L3P will render mirrored logos on the right wing's
studs.
However, I'm willing to go with the idea outlined by Chris and Dave! I
think that is a reasonable compromise, despite what I said in the past
about extra work and extra subfiles.
Also, if we're going to add any meta-statement (as Tore suggested), how
about adding a single statement for the file header:
0 STUDSGOTHISWAY 0 0 1
where the three parameters give a vector, indicating the 'up' direction
for stud-logos. That way, rendering programs could fix mis-rotated
studs, as well as fixing mirrored studs.
> I'm axious to get a resolution on this since many otherwise good part are being
> held up because of this issue.
I definitely would not hold a part because the studs aren't all lined
up!
Steve
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Message has 3 Replies:
 | | Re: Mirrored parts and studs
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| (...) And mine as well. If LDView can correct for this then so can any other program. The stud logos are a bonus feature offered by many programs but are not officailly supported by the LDraw spec. (...) This further supports my position on this (...) (21 years ago, 2-Jul-03, to lugnet.cad.dev)
| | | Re: Mirrored parts and studs
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| (...) My only concern about letting the rendering programs do this is "how they know which way to orientate the logo". Coding this within the .dat file (either with a correctly orientated stud.dat or with metadata) is preferable to storing this (...) (21 years ago, 2-Jul-03, to lugnet.cad.dev)
| | | Re: Mirrored parts and studs
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| (...) Yes. But I'm not as willing as you are to see files changed, I guess (...) I think mirrored is more of a concern than misrotated, but that's just me. Would this meta work though? In other words, are there any parts that have studs *with logos* (...) (21 years ago, 3-Jul-03, to lugnet.cad.dev)
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Message is in Reply To:
| | Mirrored parts and studs
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| There is somewhat of a disagreeance going on over at the PT about mirrored parts and I thought I'd bring it to the whole community to discuss. Here's a little background for the non initiated: In order to same time and DAT code if a part has a (...) (21 years ago, 1-Jul-03, to lugnet.cad.dev)
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