The Design and Implementation of Image Data Conversion System Based on Teigha. net and Shapelib

In surveying and mapping work,surveying and mapping data of different project sometimes differ in coordinate system and data format,which is a big obstacle to data sharing.The system discussed in this paper realizes seamless and quick data conversion from AutoCAD DWG format to ArcGIS shapefile format,and the data conversion and coordinate conversion between several common image data format,which has a good practical value and wide application prospect.