在空三加密过程中，由于人为因素、地物的复杂性、植被及遮盖物等引起的加密点粗差；

In Geolord-AT three-dimensional triangulation process, artificial factors, complexity of surface feature , vegetation and so on cause the encrypted dot rude difference.

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最后，把组成地物的所有点认为是同样颜色的点，运用传统的二值图像矢量化方法得到矢量空间数据。

At last, the traditional vectorization method can be used to get spatial vector data regarding all the pixels of the object as the same color pixels.

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最后，把组成地物的所有点认为是同样颜色的点，运用传统的二值图像矢量化方法得到矢量空间数据。

At last, the traditional vectorization method can be used to get spatial vector data regarding all the pixels of the object as the same color pixels.

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