Subject:
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Re: My attempts to get a vector line drawing
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Newsgroups:
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lugnet.cad
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Date:
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Mon, 23 May 2011 23:49:52 GMT
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Viewed:
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18292 times
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In lugnet.cad, Roland Melkert wrote:
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I’m not sure I 100% understand your goal(s), but I think what you need is:
All white shading with all black edges.
This way the (OpenGL) ‘Z-Buffer’ does all the hard work for you.
Maybe travis could implement it in LDView, (or just make all LDraw parts
white in your model).
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You are right that I can approximate it simply by making all the parts white (as
shown). However, shaded white is not really white. Every angle of white
reflecting to the camera is actually a different shade of gray. I really want
no shading at all.
I’m looking for something more like you would see in a patent or in technical
literature.
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The ‘almost there’ picture you posted is really cool so I also wouldn’t mind
a LDView feature doing that on the fly.
But if you want a real fragment free vector representation you need some sort
of file format and tool(s) to display it. Maybe you could get that by using a
pov-ray export as a starting point, there are more pov-ray converters then
LDraw converters :)
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Exactly! There are any number of good formats including CGM and WMF, and I
already have tools (like Canvas or Illustrator) to display and edit them.
I do plenty of POV-Ray work, but since POV-Ray is all surfaces, there are no
edges. In a way it is the opposite of what I need. If there was a such thing
as a VIEWER for POV-Ray surfaces, that might do the trick. But there is no such
thing that I’m aware of.
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Message has 1 Reply:
Message is in Reply To:
 | | Re: My attempts to get a vector line drawing
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| (...) <snip> (...) I'm not sure I 100% understand your goal(s), but I think what you need is: All white shading with all black edges. This way the (OpenGL) 'Z-Buffer' does all the hard work for you. Maybe travis could implement it in LDView, (or (...) (13 years ago, 23-May-11, to lugnet.cad, FTX)
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