Twelve Characteristics of Correct Antialiased Lines

Abstract Many papers have been written on line antialiasing algorithms. Most ignore important features that can leave visible artifacts. This paper presents 12 desirable characteristics of antialiased lines and discusses algorithmic trade-offs that affect each of the characteristics from a behavioral perspective. Accompanying color images show the differences between acceptable and unacceptable behavior for each characteristic. This paper provides the information needed to visibly analyze how well a particular antialiased line algorithm works.

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