Subject:
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Re: White noise around model with colored background
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Newsgroups:
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lugnet.cad
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Date:
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Wed, 10 Oct 2007 06:17:38 GMT
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Viewed:
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2821 times
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In lugnet.cad, Travis Cobbs wrote:
I forgot to mention, but while the above page looks very similar to the page I
posted recently on a lugnet.cad.ray thread, it is different in a very important
way. The image on the above page was saved out of LDView at 800x600, which is
the resolution that it is shown at on the page. Here is the page posted in that
other thread:
http://www.halibut.com/~tcobbs/ldraw/private/AlphaDemo.html
The image on that page was saved out of LDView at 3200x2400, then resized in
Photoshop using bi-cubic sampling, and 3 intermediate size steps (2400x1800,
1600x1200, & 1200x900). (Note that it started out with an edge line thickness
in LDView of 3 in order to make it so that the edges still look OK at 800x600.)
The resizing in Photoshop provided 16x antialiasing to the entire image. The
new image shows what the next version of LDView will be able to do without any
post-processing. If LDView is used from LPub, it should provide a noticeable
improvement, particularly if LPub is set to put an image behind the
instructions.
--Travis
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Message has 1 Reply:
 | | Re: White noise around model with colored background
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| (...) Hey those look nice. Just for kicks I ran off a test with the ancient method of ldglite at 2x scale followed by ImageMagick mogrify 50% to shrink it back and antialias. (URL) I like your edge outer edges better. Very nice. I'll have to look (...) (17 years ago, 10-Oct-07, to lugnet.cad, FTX)
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Message is in Reply To:
| | Re: White noise around model with colored background
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| (...) Well, it's certainly long past LDView 3.0 RC 2, but I did finally come back to this. After spending a few hours getting nice alpha data into the image file for transparent parts, I realized that the same set of steps would probably work for (...) (17 years ago, 10-Oct-07, to lugnet.cad, FTX)
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