Subject:
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Re: DAT format question
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 22 Sep 1999 11:55:59 GMT
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Viewed:
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650 times
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Gary Williams:
> Bram Lambrecht wrote in message <19990921.200045.5095.4.braml@juno.com>...
[...]
> My experience has been that as flexibility increases, complexity increases.
> I'm usually quite anal about coding objects to always behave in a very
> structured, predictable pattern.
Then give the user a _choice_ of interface.
> Should I also allow inserting a free-floating polygon or line anywhere on a
> model? Or would geometric primitives (polygons, lines, optional lines) not
> be allowed unless you opened a file as a part/primitive?
I would limit command types 2-5 to the "extended interface".
> Here's one scenario where it's bad to allow having primitives right on
> models. Suppose you have a model open. You click somewhere on the top of a
> stud on a brick. The program won't know whether you intended to select that
> particular polygon, the primitive that contains the polygon, or the brick
> that contains the primitive.
>
> Or would the selected object always be something that was added directly to
> the root model?
The selected object would of cause (imo) always be the level
referred directly to by the root level file.
> If you clicked on a stud on a brick on a subassembly of a model, would the
> subassembly become the currently-selected object?
Yes.
> If you opened a brick as a part, then clicking on a polygon on the stud
> could make the stud the currently-selected object...while in the primitive
> editor, that polygon could become the currently-selected object. Always
> stopping one level beneath the outermost object seems like a rule that would
> always suffice.
Yes.
> If all DAT files are treated equally, this could create confusion with new
> users, by not being able to have the most-likely options at a given time
> displayed more prominently.
It is fine to have a "beginners interface", but even
beginners will at some point want access to all the
features.
Play well,
Jacob
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Message is in Reply To:
 | | Re: DAT format question
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| Bram Lambrecht wrote in message <19990921.200045.509...no.com>... (...) My experience has been that as flexibility increases, complexity increases. I'm usually quite anal about coding objects to always behave in a very structured, predictable (...) (25 years ago, 22-Sep-99, to lugnet.cad.dev)
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