20 April 2009

tutorial | Anti-Analising

According to the wikipedia, Anti-Analising is

In digital signal processing, anti-aliasing is the technique of minimizing the distortion artifacts known as aliasing when representing a high-resolution signal at a lower resolution. Anti-aliasing is used in digital photography, computer graphics, digital audio, and many other applications.


For me it's the difference between a pixelized image and a perfect image. By default and until yesterday, I never had any issues whatsoever with AA but now I have to use the AA features in the SL™ to cope with this issue. I have seen lots of pictures in the SL™ feeds showing pixels... Mayhaps, people simply don't know how to solve it or maybe they haven't noticed it yet. So, here's a quick and dirty way to solve this issue.




Can you tell the difference between these two pics? If not, click on the images for full size and look at the arms more closely. See it? The first pic doesn't have Anti-Analising and the second does. That's why you won't see pixels or rough edges in the avatar.


These images are unedited and using the same WindLight settings.

The way to solve this issue is to manually increase the value of AA in the Hardware options of the Preferences menu:




However, when I do that, using the normal Second Life® viewer, this is what I see:



... but it's working perfectly in the Cool Viewer (as you can see by the previous blog posts).

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