Firstly,error source and error control method of different map scanning digitization way is compared by the way of testing in this article.Then,data accuracy is analyzed.And error distribution is tested.Lastly,some conclusion is given.

• 本文通过实验,比较不同的数字化方法的数据误差来源及误差控制方法,分析了成果数据的精度,并对误差分布进行了检验,得出了一些有益的结论。