The city traditional methods of measurement positioning is the method of total station relative measurement with the tape, but the rapid development of the city not only makes a great error on the measurement accuracy, but also brings a great deal of inconvenience in the work convenient. 城市测量定位的传统方法是全站仪的相对测量配合卷尺的方法,但是城市的快速发展使得这种方法在测量精度上产生极大的误差,在工作便捷度方面也带来了极大的不便。