Subject:
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Re: Idea for a new feature to help rotation of parts in Ldraw Cad software
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Newsgroups:
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lugnet.cad
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Date:
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Thu, 24 Aug 2000 05:56:36 GMT
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Viewed:
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605 times
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Sounds like a very good idea. The only thing I'm not sure about is where we
would use the rotation axis ...
Michael
In lugnet.cad, Marc Klein writes:
> The purpose is to define default rotation centers for parts. This can be • defined by a directive placed in parts and
> primitives. The primitives that should contain the rotation center axis • directive are:
> - axleholes
> - pegholes
> - studs
> - may be complete cylinders
>
> Placing the rotation center directive into these primitives will bring the • functionnallity to many parts with less
> effort. The part that do not use these primitives should be updated manually.
>
> Two type of rotation centers:
> - rotation center point that allows to turn in all 3 axes
> - rotation center axis that allows to turn only around that axis
>
> Syntax:
> 0 ROTATION CENTER x y z
> 0 ROTATION AXIS x1 y1 z1 x2 y2 z2
>
> To use the directives, the Ldraw Cad software let the user choose an axis • from a part and then fix the rotation center.
> A list of all axis present in the part and its subparts should be displayed • with a visualisation of the axis to help
> choosing graphically.
>
> What do you think about that idea ?
>
>
> Marc Klein
> A Mindstorms fan.
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