本文提出一种建设政府GIS的思路,即由政府部门牵头,测绘部门搭建一个面向电子政务的基础地理信息平台,在此基础上,由相关的其他专业部门提供专业数据,建立各自专题,共同建设,共同维护。本文还通过新疆综合区情GlS的设计与实践,提出了对政府GIS建设的几点认识。
现在有车的朋友越来越多, GPS导航市场也随之火爆起来。可是,市场上那么多的产品,该选哪一种呢?我们认为,对于入门用户,智能手机与GPS接收器的组合是成本最低的方案。而好的GPS导航软件,则能让这样一套入门系统的表现不亚于专业级设备。我们这次要评测的,就是这些软件中的佼佼者。
In this paper we present the MEMPHIS middleware framework for the integration of CAD geometries and assemblies with derived Virtual Reality (VR) models and its specific meta data and attributes. The g
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通过对多种UGII开发工具的介绍,并结合相关设计理论及实例对UG开发工具的应用做了研究。