US Vice President Al Gore's vision of Digital Earth applies us with prospects for brand-new ways of solving problems the earth is facing such as seismic disaster. ms paper first briefly introduces the concept of ...US Vice President Al Gore's vision of Digital Earth applies us with prospects for brand-new ways of solving problems the earth is facing such as seismic disaster. ms paper first briefly introduces the concept of Digital Earth. Then in the context of Digital Earth. the Origin, concept and application of Virtual Reality technology are reviewed. After that we present in detail our preliminary case study--CVR-USD (Computer Virtual Reality for Urban Seismic Disaster Simulation) System which aims to simulate and manage seismic disaster through integrating RS, GIS and VR technologies. For this system, we've built USD subsystem, developed SMVR software to implement CVR. and also developed a Spatial Dare Analysis Package to handle spatial data related to earthquake disaster.展开更多
Construction of disaster-resilient cities has attracted considerable attention.However,traditional methods of studying urban disaster resilience through experimental approaches are often constrained by various limitat...Construction of disaster-resilient cities has attracted considerable attention.However,traditional methods of studying urban disaster resilience through experimental approaches are often constrained by various limitations,such as testing sites,costs and ethical considerations.To address these constraints,this paper proposes incor-porating digital twin concepts into urban disaster resilience research.By establishing a connection between the physical realm of the city and its virtual counterpart,this approach utilizes digital simulations to overcome the limitations of experimental methods and enables dynamic deduction and control of the disaster process.This pa-per delves into three key aspects encompassing the acquisition of data from reality to the virtual space,disaster simulation within the virtual space,and translation of virtual insights into effective disaster prevention strate-gies in reality.It provides a comprehensive summary of relevant research endeavors from the authors’research group and showcases the effectiveness and potential of the proposed techniques.These findings serve as refer-ences for pre-disaster planning,real-time emergency assessments,post-disaster rescue operations,and accident investigations for buildings and cities.展开更多
基金National Natural Science Foundation of China (NSFC)!project No. 69896250 Basic Research Project of CAS !project No. KJ951-B1
文摘US Vice President Al Gore's vision of Digital Earth applies us with prospects for brand-new ways of solving problems the earth is facing such as seismic disaster. ms paper first briefly introduces the concept of Digital Earth. Then in the context of Digital Earth. the Origin, concept and application of Virtual Reality technology are reviewed. After that we present in detail our preliminary case study--CVR-USD (Computer Virtual Reality for Urban Seismic Disaster Simulation) System which aims to simulate and manage seismic disaster through integrating RS, GIS and VR technologies. For this system, we've built USD subsystem, developed SMVR software to implement CVR. and also developed a Spatial Dare Analysis Package to handle spatial data related to earthquake disaster.
基金supported by the National Natural Science Foundation of China(Nos.52238011,52208456)China National Postdoctoral Program for Innovative Talents(BX20220031)Shenzhen Science and Technology Program(ZDSYS20210929115800001).
文摘Construction of disaster-resilient cities has attracted considerable attention.However,traditional methods of studying urban disaster resilience through experimental approaches are often constrained by various limitations,such as testing sites,costs and ethical considerations.To address these constraints,this paper proposes incor-porating digital twin concepts into urban disaster resilience research.By establishing a connection between the physical realm of the city and its virtual counterpart,this approach utilizes digital simulations to overcome the limitations of experimental methods and enables dynamic deduction and control of the disaster process.This pa-per delves into three key aspects encompassing the acquisition of data from reality to the virtual space,disaster simulation within the virtual space,and translation of virtual insights into effective disaster prevention strate-gies in reality.It provides a comprehensive summary of relevant research endeavors from the authors’research group and showcases the effectiveness and potential of the proposed techniques.These findings serve as refer-ences for pre-disaster planning,real-time emergency assessments,post-disaster rescue operations,and accident investigations for buildings and cities.
