Subject:
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Re: part database issues I have had to deal with
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Newsgroups:
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lugnet.db.brictionary
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Date:
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Fri, 9 Jul 1999 18:58:45 GMT
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Viewed:
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1221 times
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On Fri, 9 Jul 1999 16:27:43 GMT, "Robert Munafo" <munafo@gcctech.com>
wrote:
> I have just posted my current parts list in the message:
> http://www.lugnet.com/db/inv/?n=124
Very interesting! I'll be reviewing that list when I get time.
> - I needed unambiguous part ID numbers, but I suspected the LDraw numbers might
> sometimes be inaccurate. Also, LDraw doesn't cover all parts. So, I prefix my
> numbers with two letters indicating what type of ID it is, like "ld" for LDraw.
> The only IDs without prefixes are the numbers I've actually read off parts
> myself.
The LDraw numbers aren't "always right", but new part files go through a
serious review process before being published. There is a lot of
discussion about this on ldraw.cad.dev.
Also, the number stamped on parts isn't always right. This can happen in
several situations:
- Parts may be modified over time, without the number changing. The 1x1
round brick has done this once or twice.
- Parts which are fused together have a different number than the component
parts. So if you read the number off the horse or rubber boat, you won't
have the 'official' number.
- Part numbers change. I got an Explorien set which had different numbers
stamped on different 4x4 radar dish.
Generally, 3-digit LDraw numbers are used when we don't have any idea what
the real number for a part should be. Again, there's a lot more on this
topic on lugnet.cad.dev.
> - The format allows for several part ID numbers per part. My scripts
> cross-reference these and treat them as identical. Thus, I can assign my own
> part ID number and then discover later that there is an LDraw number, and I
> don't have to go back and change my inventories.
Good thinking.
Steve
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Message is in Reply To:
 | | part database issues I have had to deal with
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| I have just posted my current parts list in the message: (URL) might be of interest to this discussion group because it illustrates how to deal with several issues I had to overcome when I started dealing with parts identification (which I was doing (...) (25 years ago, 9-Jul-99, to lugnet.db.brictionary)
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