Subject:
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Re: Named rotation inheritance (Was: 2nd. Idea for a new feature to help rotation of parts in Ldraw
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Newsgroups:
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lugnet.cad
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Date:
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Fri, 1 Sep 2000 14:25:15 GMT
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Viewed:
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661 times
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In lugnet.cad, Jeremy H. Sproat writes:
> Anyway, briefly, namespace resolution is a means by which we can
> specifically address (resolve) some thing from inside some other thing
> (namespace). Like referring to a rotation center from inside a subpart.
> The "specifically" part is important, as programmatical "magic" is bad.
...
> I was taking a more object-oriented approach. I
> feel that it's the part's responsibility to know its own rotation axes, and
> not the containing part's. Likewise, I feel that it's the tool's
> responsibility to handle the logic of the rotation (including scanning the
> subpart for named rotation centers), not the containing part's. If done
> right, the user wouldn't even have to open up the subpart to see if it has
> named axes.
I am pretty sure I don't understand totally what you are suggesting. I think
that you are saying that NO rotational axis be specifed in a model, but
rather, the program will scan a model's parts and find ALL rotational
axis?
That sounds like a great idea. Except to make dat file controlled
animations (which is a goal of mine), there still has to be someway to
refer to a particular rotational axis. Like:
0 ANIMATE datfileName.uniqueNameOfAxis (start frame; end frame;
start rotational; end rotation; curve formula)
> This touches upon the concept of Stages from Karim Nassar's Artemis
> Project. (2) I really really really like it. :-,
Ya, I looked at the Artemis stuff. It sounds good to me. I don't think Karim
suggested a syntax for his stages though. Did he?
James
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