Subject:
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Re: number notation in official parts
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 11 Mar 2010 02:36:52 GMT
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Viewed:
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23383 times
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In lugnet.cad.dev, Michael Heidemann wrote:
> If I rotate a part in LDDP the result may look like this:
>
> 1 16 4E-15 4 -20 0 0 1 0 -1 0 -1 0 0 stud4.dat
>
> This can be read by LDView and MLCad as a valid number.
> Is such notation allowed in official parts? It is nowhere explicit allowed or
> disallowed. The value 4E-15 is surely very small, but it could also be 4E-2 for
> example.
> I just want to know how to deal with such numbers in DATHeader.
>
> cu
> mikeheide
My suggestion would be to read numbers in that notation but never write them.
I'm not sure why LDDP would write them that way (it would require some strange
output routines) but if one thing writes them then it's best to read them.
Tim
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Message has 1 Reply:
 | | Re: number notation in official parts
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| (...) I mostly agree with this policy. (...) There is nothing strange in the routines, it is the standard format used to represent very large or very small numbers in a limited number of digits. Actually since values never get very large in LDraw (...) (15 years ago, 11-Mar-10, to lugnet.cad.dev)
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Message is in Reply To:
| | number notation in official parts
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| If I rotate a part in LDDP the result may look like this: 1 16 4E-15 4 -20 0 0 1 0 -1 0 -1 0 0 stud4.dat This can be read by LDView and MLCad as a valid number. Is such notation allowed in official parts? It is nowhere explicit allowed or (...) (15 years ago, 8-Mar-10, to lugnet.cad.dev)
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