Subject:
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Re: LDD vs LDraw
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Newsgroups:
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lugnet.cad
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Date:
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Wed, 13 Dec 2006 23:35:08 GMT
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Viewed:
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7049 times
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In lugnet.cad, James Reynolds wrote:
> > I still don't get this.... submodels mean separate LDR files. In
> > MLcad you can
> > have separate LDR files, or you can use MPD. To edit these sub-
> > models you have
> > to switch files.
> >
> > Groups is a collection of parts that you can treat as a unit
> > without the use of
> > a separate file. They each have their use, although historically
> > sub-models as
> > separate LDraw files has been used a large majority of the time.
>
> I have a question about this. It is very important to me. I like to
> make animations, and to rotate things correctly, I must use
> submodels. In using other people's models, I've discovered that
> nobody centers their submodels to the pivot point, but the origin is
> just randomly placed (usually wherever they put the first piece). I
> wrote this article trying to address this issue:
Ahem Ahem... I know that at least Mladen and myself do this and I've been
spreading the word. You pretty much have to if you design mecha. I do, however,
agree that it is annoying to deal with when people don't (I'll name no names...
Swami).
> http://james.magnusviri.com/lego/articles/animatable_models.html
>
> But got no feedback. Maybe it isn't very obvious what I'm saying?
>
> I use a Mac, and thus Bricksmith. Bricksmith makes it easy to use
> submodels (in fact, it isn't even obvious you are using submodels).
> This makes arbitrary rotations very easy. Any time I rotate
> anything, I put those pieces in a submodel and rotate them in a
> group. Together, they are aligned normally and are easy to edit. I
> only used MLCad a few times, so I'm not sure how it works, but is
> editing submodels difficult on it?
>
> James
It is not terribly hard to do in MLCad and to recenter a submodel you just
select all and move it (sometimes a bit annoying as you have to work out the
pivot and translate accordingly). You then have to move it in the vector
negative in its parent.
Tim
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Message is in Reply To:
 | | Re: LDD vs LDraw
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| (...) I have a question about this. It is very important to me. I like to make animations, and to rotate things correctly, I must use submodels. In using other people's models, I've discovered that nobody centers their submodels to the pivot point, (...) (20 years ago, 13-Dec-06, to lugnet.cad)
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