Supporting distributed real-time collaborative work has become an important development trend in GIS.It enables group users to cooperate and improve the use of scientific data and collaboration technologies.Real-time ...Supporting distributed real-time collaborative work has become an important development trend in GIS.It enables group users to cooperate and improve the use of scientific data and collaboration technologies.Real-time collaborative GIS(RCGIS)provides a platform for supporting synchronous collaboration using geospatial data in various forms.Traditional RCGIS generally works on a single map view,which has the disadvantage of collaborative interface confusion.The traditional system-driven mechanism of RCGIS is a computer-interaction event that has the disadvantage of an unfriendly collaborative perception.This paper presents a design and prototype of a RCGIS based on multi-view and geo-event driven mechanisms.The geo-event-driven mechanism provides users with a smoother collaborative perception and interactions that are more natural and friendly.The collaboration process for a GIS that is driven by geo-events is also discussed.A multi-view technique is used to make real-time GIS collaboration more orderly.The paper also proposes a synchronization strategy for public–private views.Finally,walk-through examples are used to demonstrate the use of RCGIS within a web environment.展开更多
基金supported by the Fundamental Research Funds for the Central Universities[grant number 2017XKQY019].
文摘Supporting distributed real-time collaborative work has become an important development trend in GIS.It enables group users to cooperate and improve the use of scientific data and collaboration technologies.Real-time collaborative GIS(RCGIS)provides a platform for supporting synchronous collaboration using geospatial data in various forms.Traditional RCGIS generally works on a single map view,which has the disadvantage of collaborative interface confusion.The traditional system-driven mechanism of RCGIS is a computer-interaction event that has the disadvantage of an unfriendly collaborative perception.This paper presents a design and prototype of a RCGIS based on multi-view and geo-event driven mechanisms.The geo-event-driven mechanism provides users with a smoother collaborative perception and interactions that are more natural and friendly.The collaboration process for a GIS that is driven by geo-events is also discussed.A multi-view technique is used to make real-time GIS collaboration more orderly.The paper also proposes a synchronization strategy for public–private views.Finally,walk-through examples are used to demonstrate the use of RCGIS within a web environment.
