Subject:
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Re: Searching for parts
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 7 Nov 2000 22:01:43 GMT
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Viewed:
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4413 times
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In lugnet.cad.dev, Lars C. Hassing wrote:
> In lugnet.cad.dev, Steve Bliss wrote:
>
> > [stuff about scoping of files contained within MPD files]
>
> L3P/L3Lab will draw 'some stuff' twice.
> The file B.DAT is never loaded, as the subfile B.DAT was loaded
> during reading A.MPD.
That's what I assumed.
> It doesn't matter whether subfile A.DAT references B.DAT or not.
Does it matter if C.DAT references B.DAT *before* referencing A.MPD? This
would change the example to:
> > A.MPD:
> > 0 FILE A.DAT
> > 1 16 0 0 0 1 0 0 0 1 0 0 0 1 B.DAT
> > 0
> > 0 FILE B.DAT
> > some stuff
> > 0
> >
> > B.DAT:
> > some other stuff
> > 0
> >
> > C.DAT:
> > 1 16 0 48 0 1 0 0 0 1 0 0 0 1 B.DAT
> > 1 16 0 0 0 1 0 0 0 1 0 0 0 1 A.MPD
> > 0
> An MPD should be regarded as a collection of files which is automatically
> unpacked before loading, so the scope is public.
That makes sense, and is simpler to implement. And could even be useful,
under certain circumstances.
> I would have preferred the scope to be private...
For MPD, I don't agree. But I feel there needs to be a follow-on to MPD,
designed specifically to support submodels within a single model file. It
should give consideration to issues of scoping and visibility.
Steve
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Message has 1 Reply:
 | | Re: Searching for parts
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| (...) Yes, it does matter. L3P/L3Lab give you a warning SKIPPING "a.mpd" Line 4: FILE b.dat already read: 0 FILE B.DAT and 'some stuff' gets treated as part of file A.DAT. So here 'some other stuff' and 'some stuff' get drawn. (...) Right, my (...) (24 years ago, 8-Nov-00, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: Searching for parts
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| (...) I'm glad you agree. (...) L3P/L3Lab will draw 'some stuff' twice. The file B.DAT is never loaded, as the subfile B.DAT was loaded during reading A.MPD. It doesn't matter whether subfile A.DAT references B.DAT or not. An MPD should be regarded (...) (24 years ago, 7-Nov-00, to lugnet.cad.dev)
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