Subject:
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Re: BBB wheels
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Fri, 18 Feb 2005 06:15:46 GMT
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Viewed:
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3617 times
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In lugnet.cad.dat.parts, Ross Crawford wrote:
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Bummer! Oh well. I have yet to get the OK from Ben to post the DATs, but my
filesizes are:
| | Ben’s
| | Mine
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| | fw176.dat
| | 660k
| | 39.7k
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| | fd304.dat
| | 881k
| | 50.1k
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| | bd304.dat
| | 732k
| | 50.2k
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Wow, those are great. I can’t touch that with the software-based converters.. At
least not yet! Sorry - didn’t know if I needed permission to post the DATs -
didn’t Ben already make them public? Oh well. I guess I can take them down if
people get angry? ?
I decided my little exercise wasn’t a fair test of what ase2dat was meant to do
- there were too many steps in between. BUT I thought it might be interesting to
see if I could model one of Ben’s parts from scratch (I used AutoCAD) and then
convert to DAT using Stefan Gustavson’s tool. Then at least I could compare
filesizes a little more directly.
- Solid ACIS model (dwg file) = 193K
- Exported to 3DS = 125K
- Imported to MAX as DWG and exported as ASE = 202K
- Imported to MAX as 3DS and exported as ASE = 660K
(admittedly this is an added step, I could’ve modeled it in MAX)
Converted with ase2dat:
The 3ds converted model looks the best (even though it is one generation
removed) but it’s still huge. I think I like Ben’s original DAT better too.
Don’t know what he used (I’m guessing stl2dat?). I also don’t know how either
file is handling conditional lines, etc.
The dwg converted model looks really blocky, but it’s probably good enough for
mock ups. I have no idea how either of them will render, as I don’t use the
programs you guys use.. I don’t know, what do you think?
Obviously, your hand-coded stuff is much more efficient, but all of these
software translators are in their infancy. Hopefully they’ll get better.
Darrell
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Message is in Reply To:
 | | Re: BBB wheels
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| (...) Bummer! Oh well. I have yet to get the OK from Ben to post the DATs, but my filesizes are: Ben's Mine fw176.dat 660k 39.7k fd304.dat 881k 50.1k bd304.dat 732k 50.2k (20 years ago, 18-Feb-05, to lugnet.cad.dat.parts, FTX)
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