【摘要】 从3个角度论述虚拟现实(V irtual Reality,VR)和地理信息系统(GIS)集成的必要性,通过对集成方法的归纳,提出4种集成方式,并详细介绍了各自的结构体系和具体特征。在此基础上划分了VR与GIS系统集成的4个阶段,分析当前系统集成现状,指出其发展趋势。同时探讨了VR和GIS系统集成中存在的关键问题,包括数据、虚拟景观技术、VRGIS网络化等,给出目前解决这些问题的一些建议和具体途径。更多还原

【Abstract】 Integrating VR and GIS becomes essential in Earth science study and practice.Four VR and GIS integration methods are listed on the basis of integration principles.Their system structures and characteristics are elaborated respectively.The four stages of the integration are illustrated.The current status of the integration and its development trend are analyzed.Meanwhile the key problems existing in the VR and GIS integration is explored,which includes data,virtual scenery,web VRGIS,and so on.Suggestions and approaches are presented to provide some possible solutions in resolving these key problems.更多还原