Graphic color which is obtained from traditional escape time algorithm is very single and it cannot effectively reflect structural characteristics of M set and J set so image cannot be effectively applied in generalized scope. This paper introduces genetic algorithm and integrates user preferences into genetic process by adding human-computer interaction in order to reflect designers' design ideas. Meanwhile, it solves difficult expression of fitness function in conceptual design and adopts adaptive method to guarantee optimal property in genetic population. Then, above methods are applied in genetic algorithm-based fractal pattern drawing system and the effectiveness of above methods is verified through actual cases.
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