Visibility Analysis of Battlefield Environment Based on Urban Building

This article proceed from the reality of urban warfare,according building as main consideration to take visibility analysis.It proposed the method that made visibility analysis in urban battlefield environment with DEM stacking building height information,and researched the data types which should be selected in urban battlefield environment,analyzed the quick acquisition channels of getting DEM and building height information as well as the characteristic of each manner.It had took some experiment with different regions datas,such as Lanzhou,Urumchi,Xining,and also verified feasibility and accuracy of this method.