CityGML goes mobile: application of large 3D CityGML models on smartphones

作     者：Christoph Blut Timothy Blut Jörg Blankenbach 

作者机构：Department of Computing in Civil Engineering and Geo Information SystemsGeodetic InstituteRWTH Aachen UniversityAachenGermany 

出 版 物：《International Journal of Digital Earth》 (国际数字地球学报（英文）)

年 卷 期：2019年第12卷第1期

页      面：25-42页

核心收录：

学科分类：070801[理学-固体地球物理学] 07[理学] 08[工学] 0708[理学-地球物理学] 0816[工学-测绘科学与技术] 

主　　题：CityGML city model android 3D visualization real-time rendering 

摘      要：CityGML,a semantic information model for digital/virtual city models has become quite popular in various *** the data format is still actively under development,it is already supported by different software solutions,especially GIS-based desktop *** systems on the other hand are still neglected,even though the georeferenced objects of CityGML have many application fields,for example,in the currently popular area of location-based Augmented *** this paper we present an independent multi-platform CityGML viewer,its architecture and specific implementation techniques that we use to realize and optimize the process of visualizing CityGML data for use in Augmented *** main focus lies in improving the implementation on mobile devices,such as smartphones,and assessing its usability and performance in comparison to web-based *** to the constrained hardware resources of smartphones,it is a particular challenge to handle complex 3D objects and large virtual worlds as provided by CityGML,not only in terms of memory and storage space,but also with respect to mobile processing units and display sizes.