A Construction Optimization and Interaction Method for Flood Disaster Scenes Based on Mobile VR

doi:10.11947/j.AGCS.2018.20180114

Abstract

Abstract: The existing three-dimensional (3D) visualization of flood disaster scenes has problems such as weak immersion and lack of mobility.This paper combines mobile virtual reality (VR) with 3D visualization of flood disaster scenes,and proposes a construction optimization and interaction method for flood disaster scenes based on mobile VR.Firstly,a mobile VR scene construction scheme under a plugin-free B/S architecture is proposed.Second,certain key technologies for scene optimization are discussed,including diverse modes of scene data organization,optimization control of scene data volume and adaptive scheduling of mobile scenes.Finally,some interaction and analysis schemes based on gaze,such as scene roaming exploration and interactive flood information query,are designed.A test platform was developed and a case experiment analysis was carried out.The experiment results demonstrate that the flood disaster scene constructed by the methods addressed in this paper can be displayed smoothly and explored interactively on smart phones.

Key words: virtual geographic environments, flood disaster, mobile VR, scene optimization, interactive exploration

CLC Number:

P208

HU Ya, ZHU Jun, LI Weilian, ZHANG Yunhao, HU Mingyuan, CAO Zhenyu. A Construction Optimization and Interaction Method for Flood Disaster Scenes Based on Mobile VR[J]. Acta Geodaetica et Cartographica Sinica, 2018, 47(8): 1123-1132.

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