An integration processing system of three-dimensional laser scanning information visualization in goaf was developed. It is provided with multiple functions, such as laser scanning information management for goaf, clo...An integration processing system of three-dimensional laser scanning information visualization in goaf was developed. It is provided with multiple functions, such as laser scanning information management for goaf, cloud data de-noising optimization, construction, display and operation of three-dimensional model, model editing, profile generation, calculation of goaf volume and roof area, Boolean calculation among models and interaction with the third party soft ware. Concerning this system with a concise interface, plentiful data input/output interfaces, it is featured with high integration, simple and convenient operations of applications. According to practice, in addition to being well-adapted, this system is favorably reliable and stable.展开更多
To meet the requirements of efficient management and web publishing for marine remote sensing data, a spatial database engine, named MRSSDE, is designed independently. The logical model, physical model, and optimizati...To meet the requirements of efficient management and web publishing for marine remote sensing data, a spatial database engine, named MRSSDE, is designed independently. The logical model, physical model, and optimization method of MRSSDE are discussed in detail. Compared to the ArcSDE, which is the leading product of Spatial Database Engine, the MRSSDE proved to be more effective.展开更多
交通地理信息系统(Geographic Information System for Transportation,GIS-T)对解决我国城市建设的不断发展,城市规模越来越大,使得城市交通系统压力越来越大等这些问题大有帮助,相应的提高交通运输行业的效率,带来巨大的经济效益。其...交通地理信息系统(Geographic Information System for Transportation,GIS-T)对解决我国城市建设的不断发展,城市规模越来越大,使得城市交通系统压力越来越大等这些问题大有帮助,相应的提高交通运输行业的效率,带来巨大的经济效益。其中,数据组织是GIS-T研究的核心内容,将探讨电子地图显示中一种多级比例尺地图数据的构建方式,并设计了一种高效的数据组织结构,实现全国海量地图数据的多级缩放和地图操作的快速响应,提高了访问数据和显示数据的速度。展开更多
基金Project(51274250)supported by the National Natural Science Foundation of ChinaProject(2012BAK09B02-05)supported by the National Key Technology R&D Program during the 12th Five-year Plan of China
文摘An integration processing system of three-dimensional laser scanning information visualization in goaf was developed. It is provided with multiple functions, such as laser scanning information management for goaf, cloud data de-noising optimization, construction, display and operation of three-dimensional model, model editing, profile generation, calculation of goaf volume and roof area, Boolean calculation among models and interaction with the third party soft ware. Concerning this system with a concise interface, plentiful data input/output interfaces, it is featured with high integration, simple and convenient operations of applications. According to practice, in addition to being well-adapted, this system is favorably reliable and stable.
基金Supported by the National 863 High-Tech Program of China （No.2007AA12Z237）, the Natural Science Foundation of China （No. 40571123）.
文摘To meet the requirements of efficient management and web publishing for marine remote sensing data, a spatial database engine, named MRSSDE, is designed independently. The logical model, physical model, and optimization method of MRSSDE are discussed in detail. Compared to the ArcSDE, which is the leading product of Spatial Database Engine, the MRSSDE proved to be more effective.
文摘交通地理信息系统(Geographic Information System for Transportation,GIS-T)对解决我国城市建设的不断发展,城市规模越来越大,使得城市交通系统压力越来越大等这些问题大有帮助,相应的提高交通运输行业的效率,带来巨大的经济效益。其中,数据组织是GIS-T研究的核心内容,将探讨电子地图显示中一种多级比例尺地图数据的构建方式,并设计了一种高效的数据组织结构,实现全国海量地图数据的多级缩放和地图操作的快速响应,提高了访问数据和显示数据的速度。
