Subject:
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Re: Primitives and long file names
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Newsgroups:
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lugnet.cad
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Date:
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Tue, 29 Mar 2011 11:58:42 GMT
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Highlighted:
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> Sidestep the issue. Extend the LDraw language by defining new line-types for
> curves, discs, spheres, cylinders, rings, cones and torii! :)
>
> Sorry, I'll go back to deep lurking mode now.
>
> Steve
Hey,
I really like the idea of new line types and I made a little experiment.
Not for curves, discs, spheres, cylinders, rings, cones and torii, but for
gradient brushes.
LDraw lives in a (linear) text based vector world. And when I zoom in, I
would like to see NO Pixels :-).
<Minefield>
I expanded the linetypes 2 3 and 4 so that you can define a color for
each point.
For linetype 2:
2 c x1 y1 z1 x2 y2 z2 c2
For linetype 3:
3 c x1 y1 z1 x2 y2 z2 x3 y3 z3 c2 c3
For linetype 4:
4 c x1 y1 z1 x2 y2 z2 x3 y3 z3 x4 y4 z4 c2 c3 c4
MLCad and LDView do not grumble; they ignore the additional data. I did not
test any further tools by now.
I have uploaded a quick hacked viewer to play around with. It only supports
linetype 2, 3 and 4 (ignores the rest). It works with OpenGL (OpenTK) and has
no exception handling! It knows the ldraw-colors 0 to 16 and can handle the
solid colors generated by MLCad.
http://digital-bricks.de/en/tmp/opentk_test.htm
Since this is only for experimenting the link may disappear in a few month.
I hope this works.
Woking Keys:
+: zooms in
-: zooms out
a: rotate left
d: rotate right
F5: reloads the file
</Minefield>
I just want to share the results of my experiment.
Thanks Rolf
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Message is in Reply To:
 | | Re: Primitives and long file names
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| (...) Sidestep the issue. Extend the LDraw language by defining new line-types for curves, discs, spheres, cylinders, rings, cones and torii! :) Sorry, I'll go back to deep lurking mode now. Steve (13 years ago, 4-Mar-11, to lugnet.cad)
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