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For example, 4:1 (pronounced “4-to-1”) anisotropic filtering will continue to sharpen more oblique textures beyond the range sharpened by 2:1. [ 6 ] In practice, this means that in highly oblique texturing situations, a 4:1 filter will be twice as sharp as a 2:1 filter (it will display frequencies double that of the 2:1 filter).
Canvas is a popular base fabric for embroidery such as cross-stitch and Berlin wool work. [9] Some specific types of embroidery canvases are Aida cloth (also called Java canvas [10]), Penelope canvas, Chess canvas, and Binca canvas. [11] [12] [13] Plastic canvas is a stiffer form of Binca canvas. [14]