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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Tue, 24 May 2011 15:26:14 GMT
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Viewed:
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18901 times
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In lugnet.cad, Travis Cobbs wrote:
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The Show Edges Only feature in LDView is intended to be used with Wireframe
disabled. I believe it does exactly what you want in combination with Black
Edges:
Note that the image above was saved with the Transparent Background check
box checked (only available for PNG snapshots). The actual background color
underneath the transparency is actually a blue color, since thats what I had
set at the time I saved the snapshot. However, you can set the background
color to any color, and it will work. This can create artifacts if
antialiasing (either of lines or FSAA) is enabled in LDView, in which case
you want to set the background color to one that closely matches whatever
youre going to lay the image over.
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Hey, this is interesting. Is it actually just drawing the visible lines in
some final rendering stage? Or is there more going on there with the Stencil
and/or Depth buffer?
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Message has 1 Reply: ![](/news/x.gif) | | Re: My attempts to get a vector line drawing
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| (...) (FUT lugnet.cad.dev) I draw everything but the edge lines with glColorMask() set to all false. This updates the depth buffer, but doesn't update the color buffer. Edge lines are drawn with a standard glColorMask(). --Travis (13 years ago, 25-May-11, to lugnet.cad, FTX)
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Message is in Reply To:
![](/news/x.gif) | | Re: My attempts to get a vector line drawing
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| The "Show Edges Only" feature in LDView is intended to be used with Wireframe disabled. I believe it does exactly what you want in combination with "Black Edges": (URL) Note that the image above was saved with the "Transparent Background" check box (...) (13 years ago, 24-May-11, to lugnet.cad, FTX)
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13 Messages in This Thread: ![My attempts to get a vector line drawing -Eric Albrecht (23-May-11 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: My attempts to get a vector line drawing -Roland Melkert (23-May-11 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: My attempts to get a vector line drawing -Eric Albrecht (23-May-11 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: My attempts to get a vector line drawing -Roland Melkert (24-May-11 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: My attempts to get a vector line drawing -Eric Albrecht (24-May-11 to lugnet.cad)](/news/x.gif) ![](/news/246.gif) ![Re: My attempts to get a vector line drawing -Travis Cobbs (24-May-11 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![You are here](/news/here.gif) ![](/news/46.gif) ![Re: My attempts to get a vector line drawing -Travis Cobbs (25-May-11 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: My attempts to get a vector line drawing -Bram Lambrecht (24-May-11 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: My attempts to get a vector line drawing -Travis Cobbs (24-May-11 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: My attempts to get a vector line drawing -Reuben Pearse (29-May-11 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: My attempts to get a vector line drawing -Jaco van der Molen (30-May-11 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: My attempts to get a vector line drawing -Reuben Pearse (30-May-11 to lugnet.cad)](/news/x.gif)
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