Subject:
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Re: New Part: dome.dat (and a part authoring tool idea)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 22 Nov 2001 00:21:54 GMT
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Viewed:
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814 times
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Don Heyse wrote...
> I wish there were better tools around to examine the lines. I've
> been experimenting with some new drawing modes in ldglite to handle
> this. I put up a windows executable that defaults to drawing only
> VISIBLE lines when you spin the part. This way you can easily spot
> the missing ones because they don't appear when they should as you
> spin the part. They're even easier to spot if you turn on anti-
> aliased lines, but the rendering is somewhat slower.
>
> http://ldglite.sourceforge.net/l3gliteexe0_9_4.zip
>
> This might be a nice enhancement to l3lab. I think it'd be easy
> to add. I just draw in two stages: solid polygons first but only
> to the depth buffer, then draw the edges. I suppose you could also
> achieve the same effect by drawing the solids in the background
> color without shading.
What a brilliant idea. I think I'll add an option to render the solids
in background color without shading. I agree the effect would be the same,
and it requires less coding right away rather than traversing the tree twice.
Also the benefit from internal vertex lists vanishes by two tree walks.
I think both methods are similar in speed. I may try both, though :-)
/Lars
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