Subject:
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Re: Line Thickness and Antialiasing in LdGLite 0.7.3
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Newsgroups:
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lugnet.cad, lugnet.cad.dev
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Date:
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Tue, 2 Jan 2001 20:36:22 GMT
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Viewed:
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238 times
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Very cool! I noticed two things, which could be considered problems. One
is straight-forward, the other is not so.
The first thing is that using the -ms commandline option doesn't save any
images if there are no 0 STEP commands in the file. I was testing with a
part file, not a model. I assume that if a DAT contained drawing commands
after the last 0 STEP, those final drawing commands wouldn't be saved to an
image, either.
Using antialiasing with the line-width (-q and -w2), it seemed like the
rendered lines were slightly offset from the surfaces. I haven't done
extensive testing on this issue, I'll post more when I do.
Now, is there a way to do a rendering that creates an image file, without
rendering on the screen?
Steve
In lugnet.cad, Don Heyse wrote:
> LdGLite version 0.7.3 in now available.
>
> With all the talk about line widths and antialiasing around here
> lately I decided to add it to ldglite. Heck, it only took about an
> hour to make the changes. As Lars recently proclaimed, "Hooray for
> OpenGL"!
>
> Actually I discovered a segfault introduced by my double buffered spin
> mode code in the Mesa flavor of ldglite 0.7.2 and had to roll a new
> release anyhow. I guess the one linux user didn't notice the problem
> during the brief lifespan of that version. ;^) I also finally got around
> to fixing a few nagging case sensitive filename problems in the L3
> parser. Lars if you're reading this, I added a few more #ifdef OPENGL
> lines to the version of L3Input.cpp in l3glite. Are we still trying to
> keep that file in sync?
>
> Get it at the mirror site:
>
> http://www.geocities.com/dheyse
>
> Scroll down for a sample image with antialiasing and linewidth set to 2.5.
>
> Enjoy,
>
> Don
>
>
> (One of these days I'm gonna have to figure out why SCP to the main
> site at the SourceForge no longer seems to work.)
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Message has 2 Replies:
 | | Re: Line Thickness and Antialiasing in LdGLite 0.7.3
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| (...) Yes, more details would help. For instance, which direction is the offset: Forward, Up, Down, left, right? I'll have to try it out myself some more. If I remember correctly, I think I may have gotten better results with non-whole number (...) (26 years ago, 3-Jan-01, to lugnet.cad, lugnet.cad.dev)
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