Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: Feature requests for LDraw/LEdit v. 2
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Newsgroups:
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lugnet.cad.dev
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Date:
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Sat, 13 Mar 1999 19:52:06 GMT
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Viewed:
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733 times
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Mark Tarrabain wrote:
>
> 1) Support for a "virtual filesystem" such as what can be found in a
> .tgz file. This is especially useful for the parts directory.
Yes, that would be useful. It's also absurd that an application would
need to worry about that, since Linux can do that at the OS level.
But, I havn't ported to Linux yet, so I don't have much room to
complain.
> 2) I can quite easily envision models where parts of the instructions
> would best be illustrated from one particular view, while other parts of
> the instructions would best be illustrated from certain other views.
> The ability to force particular views for particular steps during
> instruction display would be beneficial.
A meta command to change options in the middle of the file is in the
works, but that doesn't solve the whole problem. You have to clear
and redraw the model from the beginning.
For now, the best approach is to put each step in its own .dat file,
(or in its own "0 FILE" section of an MPD) and do something like this:
0 Top view of first step
1 16 0 0 0 1 0 0 0 1 0 0 0 1 part1.dat
0 STEP
0 CLEAR
0 Bottom view - rotate 180 deg around x axis
0 ROTATE 180 1 0 0
1 16 0 0 0 1 0 0 0 1 0 0 0 1 part1.dat
1 16 0 0 0 1 0 0 0 1 0 0 0 1 part2.dat
0 ROTATE END
0 STEP
0 CLEAR
1 16 0 0 0 1 0 0 0 1 0 0 0 1 part1.dat
1 16 0 0 0 1 0 0 0 1 0 0 0 1 part2.dat
1 16 ...
>
> 5) A revamped part specification. A part should be allowed to have
> truly curved surfaces... not just linear approximations thereof. Say,
> bezier patches? Further, to simplify the definition of some parts, it
I think we are long overdue for a cylinder primitive.
-gyug
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Message has 1 Reply:
 | | Re: Feature requests for LDraw/LEdit v. 2
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| (...) Hollow, solid, or tube-shaped? I'd also like to see discs, arcs, spheres and cones. And some spline-thingy, I suppose. How about boolean operators? INTERSECT, UNION, and whatever's the proper term for "All of A that's outside of B". Steve (25 years ago, 15-Mar-99, to lugnet.cad.dev)
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Message is in Reply To:
| | Feature requests for LDraw/LEdit v. 2
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| Here are 5 ideas of mine (although I don't claim to be the first to have thought of them) for an upcoming LDraw/LEdit package, in what is most likely to be increasing order of difficulty to implement. 1) Support for a "virtual filesystem" such as (...) (25 years ago, 12-Mar-99, to lugnet.cad.dev)
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