Now many names of the roads are gradually changing,which cause old palace names disappearing. So some of the places cannot be searched out in available maps by their old names. The phenomenon warns us that name cultural heritages need protection. This paper proposes a method based on Baidu Map API to make Wuhan old place names searched out,navigated and spatial visualized with the help of database of Wuhan Chorography and related data. In addition to making up the defect that database of place name is not visualized,the method can also analyze the spatio-temporal rules of the old place name ch...
