Subject:
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Re: DAT file cleanup tools? or: Zero by any other name
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 14 Sep 1999 22:06:52 GMT
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Viewed:
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725 times
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It is the previous version of ML-Cad that has this presentation of zero when a
part has been rotated. In version 1.4, the problem has been fixed.
I did point out the problem from version 1.3 in the message:
http://www.lugnet.com/cad/?n=2362
I suggest all upgrade to version 1.4, and that problem will disappear.
LDS is not a cleanup tool, but if you run "LDS myfile.dat newfile.dat", it will do
some cleaning. But then again, it can't handle the number -3.33067e-015 correctly,
but rather interpret it as
-18.3307 (-3.33067 - 15)
/Tore
Duane Hess wrote:
> In lugnet.cad.dev, Kevin Loch writes:
> > They do hurt things. When viewing dat's in ldlite via the web interface
> > parts with exponents do not render. They do render when you load them
> > from a local file however. I think MLcad is generating them.
> >
> > KL
>
> I haven't had any problem with MLcad in this respect. Possibly LeoCAD?
>
> Duane
> >
> > In lugnet.cad.dev, Todd Lehman writes:
> > >
> > > Do any of the command-line DAT tools do cleanups on floating-point numbers?
> > > I've noticed lot of lines lately with very-near-zero floating-point numbers,
> > > like these lines, for example...
> > >
> > > > 1 15 40 8 -20 -3.33067e-015 1 -3.33067e-015 0 -3.33067e-015 -1 -1 • -3.33067e-015 1.10441e-029 32014.DAT
> > > > 1 15 -40 8 -20 -3.33067e-015 6.66134e-015 -1 0 -1 -6.66134e-015 -1 • -2.22853e-029 3.33067e-015 32014.DAT
> > > > 1 15 -40 8 -100 -3.33067e-015 -1 0 -3.33067e-015 1.10441e-029 -1 1 • -3.33067e-015 -3.33067e-015 32014.DAT
> > > > 1 15 40 8 -100 -3.33067e-015 1 -3.33067e-015 0 -3.33067e-015 -1 -1 • -3.33067e-015 1.10441e-029 32014.DAT
> > >
> > > ...which certainly don't hurt anything, but they could just as well (and
> > > more cleanly perhaps) be written like this...
> > >
> > > > 1 15 40 8 -20 0 1 0 0 0 -1 -1 0 0 32014.DAT
> > > > 1 15 -40 8 -20 0 0 -1 0 -1 0 -1 0 0 32014.DAT
> > > > 1 15 -40 8 -100 0 -1 0 0 0 -1 1 0 0 32014.DAT
> > > > 1 15 40 8 -100 0 1 0 0 0 -1 -1 0 0 32014.DAT
> > >
> > > Alternatively, a beautifier could also line up columns:
> > >
> > > > 1 15 40 8 -20 0 1 0 0 0 -1 -1 0 0 32014.DAT
> > > > 1 15 -40 8 -20 0 0 -1 0 -1 0 -1 0 0 32014.DAT
> > > > 1 15 -40 8 -100 0 -1 0 0 0 -1 1 0 0 32014.DAT
> > > > 1 15 40 8 -100 0 1 0 0 0 -1 -1 0 0 32014.DAT
> > >
> > > I seem to remember a beautifier being talked about once upon a time...
> > >
> > > Curious,
> > > --Todd
> > >
> > > p.s. http://www.lugnet.com/cad/dev/?n=2819
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