The Practice And Method Study Of Large Scale Topographical Format Switch

The function of information sharing is to offer convenience for making use of the data , in order to achieve mutual-possessing data , the best required is the consolidated data standard , that is , making the data match the established rules and standard .The studying purpose of the paper is to handle data before the data used by every kind of section .We regard the national rules and standard as the foundation , and make own detail rules and standard . The article systematically expound the entire course from the resource of the data , analysis , checking over , switching to entering database ,According to the rules and standard ,we put forward the exited problems and analysis, research them and get the solution of the problems . During the practicing , we use the certain city data as the example ,and compile some modules . At last , we expound some recognition about how to deal with topographical data of entering database .