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Reseach on 3D Location-based Services with the Smart Phone

Author: YangAZuo
Tutor: RenXiaoKang
School: Northwest Normal University
Course: Computer Applications
Keywords: 3D LBS Mobile 3D graphics J2ME positioning GIS
CLC: TN929.53
Type: Master's thesis
Year: 2008
Downloads: 46
Quote: 0
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Abstract


Location-based services (LBS) are gaining much more importance for all kind of human activities ranging from tourist navigation to support of rescue teams in disaster management.LBS have been are often referred to as”location-dependent”GIS,and developed as an services from GIS stream for wireless services.With the development of computer technology,PC has the ablility to handle large three-dimensional data sets,and the third dimension is already taken for granted for visualization on desktop machine.But in LBS,these spatial data are presented in form of 2D map (raster of vector).Nowaday,Geo-specials are ready to step into the third dimension.So LBS are among the first applications that naturally should consider the third dimension.And the 3D-LBS adapts the need of market and should be the next hotspot of value-added mobile service for mobile carries.Firstly from the view of user,service provider and mobile carries, we introduce the concept,characteristic and application of 3D-LBS, then briefly analyzes the interrelated technology of 3D-LBS.Secondly we provide the whole frame of the 3D-LBS,and design a client program on the smart phone.In 3D-LBS, the most critical aspects is the provision of 3D graphics on mobile devices. In this paper, we make a scheme for letting the geo-date adapt for the smart phone and resolve the problem how to render the 3D spatial data on the smart phone.As a result,the feasibility that 3D-LBS on smart phone is attainable.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications > Cellular mobile communications systems (mobile phones, mobile phone handsets )
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