Subject:
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Seeking input on reused user parts in building instructions
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Newsgroups:
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lugnet.cad.dev, lugnet.inst
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Date:
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Thu, 16 Jan 2003 14:25:57 GMT
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Viewed:
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2281 times
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Hi,
I've decided to tackle an issue that has been on my mind for a while.
LPub's handling of building instructions, where sub-model user-defined parts
are used multiple times in the overall design.
It all started when I was editing a DSDK model created by JP Brown. I
noticed that he made a laser cannon DAT file, and then used it four times in
his Star Wars fighter.
LPub happliy created building instructions for each laser cannon that was
used. LPub made POV-Ray create the same images four times, as waste of
computer time.
In thinking about it, this can imact these aspects of LPub:
1. Only run POV-Ray on the first occurrence of a user defined part.
2. Screen web page step redundancy elimination
3. Web page table step redundancy elimination
Number 1 is a given, because there is no harm in making this change.
Number 2 and 3 are trickier.... How should I communicate the multiplicity
to the reader in this case. LPub will create part list images for the
original part, but not for the subsequent parts (so the part list images
themselves will not reflect the true part count, although the Bill of
Materials image will). I think the right answer is to communicate to the
reader that the steps need to be repeated. LEGO does this by placing a
large multiplier indicator (x4 in this case) in the lower right corner of
the last step. This seems like the solution to me, but I don't think
scaling the part counts in the part list images is the right idea.
Thoughts?
Kevin
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