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Anisotropic filtering


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#1 NEvOl   Members   -  Reputation: 174

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Posted 27 January 2014 - 01:24 AM

Hi, i need implementation software anisotropic filtering, help please understand algorithm. As I understand it, uses a sample on an ellipse rather than a circle (like the square with bilinear filtering), but I do not understand how to calculate this ellipse, please tell me. 

I understand that the major and minor radius of the ellipse depend on the inclination of the plane of the screen space, or can use a vector along which to interpolate texels (x2 -> 2 texel x4 -> 4 texel ...)? i am right ?
P.S.: I am not interested in the code, I am interested in the algorithms

Edited by NEvOl, 27 January 2014 - 02:48 AM.


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#2 JTippetts   Moderators   -  Reputation: 8569

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Posted 27 January 2014 - 01:32 AM

This has replies, so locking the unnecessary one. In the future, please avoid cross-posting.

Edit: Sorry, the duplicate titles fooled me. Unlocking this one so you can get some more specific help on the question.

Edited by JTippetts, 27 January 2014 - 02:32 AM.





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