Data Conversion from ArcGIS and MapInfo to MapGIS

The rapid increase of GIS data resources from different soft wares and storage structures has brought much inconvenience to the comprehensive utilization of the data.To meet Chinese geological industry’s requirement of the MapGIS format as the standard one,this paper puts forward the best method of data conversion from ArcGIS and MapInfo to MapGIS together with some error corrections by analyzing the advantages and disadvantages of the commonly used soft wares and the storage principles of data formats and repeated applications of the data conversion process.