Combined the soul of the Douglas-peucker operator, we think out the model of line simplification based on genetic algorithms.

• 本文在指出线要素化简的实质就是在保证精度的前提下使点尽可能少的基础上，结合线要素化简的经典算法Douglas-Peucker的思想，建立了基于遗传算法的线要素化简模型。