Urban Llandscape Design and Maintenance Management Based on Multisource Big Data Fusion

Table 2

Big data composition model of current mainstream map services.

Map service	Flat vector image	Satellite visible map	Earth contour map	Pseudo-3D map	Real 3D view
Baidu map	Yes	Yes	No	Yes	No
Tencent map	Yes	Yes	Yes	Yes	No
Sogou map	Yes	Yes	Yes	No	No