NET ELECTRONIC MAP BASED ON ROMOTE SENSING IMAGE Huang Liang Luo Jianjun Linqian (Department of Management and Engineering ,Naval University of Engineering ,Wuhan 430033) Abstract Net Electronic Map has become a brand-new way for showing the geographic information .In this case, we can use Remote sensing image , which is the most important method to update the GIS database ,and use the Internet to achieve the goal of sharing geographic information . Keywords Remote sensing image GIS Net Electronic Map Bitmap