Application and study of digital mapping in geographic information system;

The develop tendency of large scale digital mapping;

Discussion about quality control method for large scale digital mapping;

The digital surveying and mapping has the advantage of high precision,short time,easily operating and so on.

This paper introduces the key technology of digital surveying and mapping in Qidong colliery.

With the development of city information building, a large scale digital surveying and mapping system is widely used in urban geographic information system.

Application of Coding Data Collection in the Field Digital Mapping;

To conduct digital mapping by using semi-station instrument;

Application of digital mapping technique in map revision;

With the development of suveying and mapping technology,digital surveying and mapping technology has been applied in all surveying and mapping departments.

With development of surveying and mapping, the traditional imitating method of surveying and mapping is shifted by the method of digital surveying and mapping.

This paper summarizes the method in teaching reform and experiences during the course of teaching,experiment of digital surveying and mapping specialty,and in allusion to lack of apparatus and instruments in teaching link and characteristics of their touching upon vast aspects of knowledge,and puts forward some efficient ways to improve teaching quality and educate advanced person with ability.

This paper states the software and hardware standard and precautions of digitized mapping from the aspects of digitized map,composing of digitized mapping and mapping software.