A variation of mipmaps that can handle anisotropic texture lookup is RIPmap. With RIP maps we store the texture at different compressions of u and v axes. The downside is that the memory overhead is 4 times instead 4/3 that mipmaps require.
A sample image of a ripmap is at the link : http://kaba.hilvi.org/pastel-1.3.0/pastel/gfx/ripmap.htm
A variation of mipmaps that can handle anisotropic texture lookup is RIPmap. With RIP maps we store the texture at different compressions of u and v axes. The downside is that the memory overhead is 4 times instead 4/3 that mipmaps require. A sample image of a ripmap is at the link : http://kaba.hilvi.org/pastel-1.3.0/pastel/gfx/ripmap.htm