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An efficient flood dynamic visualization approach based on 3D printing and augmented reality

International Journal of Digital Earth 2020年第11期13卷 1302-1320页

作者： Guoyong Zhang Jianhua Gong Yi Li Jun Sun Bingli Xu Dong Zhang Jieping Zhou Ling Guo Shen Shen Bingxiao Yin National Engineering Research Center for Geoinformatics Aerospace Information Research Institute(AIR)Chinese Academy of SciencesBeijingPeople’s Republic of China University of Chinese Academy of Sciences BeijingPeople’s Republic of China Zhejiang-CAS Application Center for Geoinformatics ZhejiangPeople’s Republic of China Jiaxing Hetu Remote Sensing Technology Co. LtdZhejiangPeople’s Republic of China Management Engineering Department Hebei Vocational College of Rail TransportationHebeiPeople’s Republic of China Academy of Army Armored Forces BeijingPeople’s Republic of China

flood visualization is an effective and intuitive tool for representing flood information from abstract spatiotemporal *** the growing demand for flood disaster visualizations and mitigation,augmented flood visualizations that support decision makers’perspectives are needed,which can be enhanced by emerging augmented reality(AR)and 3D printing *** paper proposes an innovative flood AR visualization method based on a 3D-printed terrain model and investigates essential techniques,such as the suitable size calculation of the terrain models,the adaptive processing of flood data,and hybridizing virtual flood and terrain models.A prototype experimental system(PES)based on the proposed method and a comparison experimental system(CES)based on a virtual terrain are developed to conduct comparative experiments,which combine the system performance and questionnaire method to evaluate the efficiency and usability of the proposed *** statistical results indicate that the method is useful for assisting participants in understanding the flood hazard and providing a more intuitive and realistic visual experience compared with that of the traditional AR flood visualization *** frame rate is stable at 60 frames per second(FPS),which means that the proposed method is more efficient than the traditional AR flood visualization method.

关键词： flood visualization augmented reality 3Dprinted terrain virtual geographic environment augmented reality geovisualization

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