Subject:
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Re: Is there a tool that can fix problems with .ldr/.ldd files?
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Newsgroups:
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lugnet.cad.ldd
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Date:
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Sat, 24 Nov 2007 03:07:34 GMT
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Viewed:
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23236 times
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In lugnet.cad.ldd, Geoffrey Hyde wrote:
>
> "Willy Tschager" <willy.tschager@tin.it> wrote in message
> news:JryKHD.n44@lugnet.com...
> > In lugnet.cad.ldd, Geoffrey Hyde wrote:
> > > I have a LDD model file - also exported to .ldr format (LDRAW) - which
> > > has a
> > > problem with parts not aligning properly because of a bug with LDD.
>
> [snip]
>
> > > 1 8 199.32940673828125 -55.066280364990234
> > > 40.271537780761719 -0.0017342935316264629 -0.99999850988388062 0
> > > 0.99999850988388062 -0.0017342944629490376 -0.00014975531667005271
> > > 0.00014976650709286332 0 0.99999994039535522 3894.dat
>
> > the transformation matrix for the Technik Brick is:
>
> This isn't about the brick's file itself. It's just that I don't understand
> the way LDD is placing bricks and messing up their rotation vectors in the
> process to create misaligned bricks in the model file itself. I can send
> you a model file if you like to show you what I mean more clearly.
>
> It seems to have something to do with the way LDD fractionally rotates
> pieces to create lineups that occur if you spin a part more than one
> revolution to line it up with another part in LDD.
>
> I went and rebuilt the assembly I was having problems with and everything
> lines up properly now.
>
>
> Cheers ...
>
> Geoffrey Hyde
LDD and LDraw have there own parts and do not use the same rotation settings,
that’s why you need the updated LDraw.xml that others have been working on.
http://news.lugnet.com/cad/ldd/?n=168
Will be on Ldraw’s site as soon as I can remember my login…
Mike
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