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The paper is based on the education practice of undergraduate major of surveying and mapping engineering for years, analyses the present and future social needs of this major, quality and ability of students of surveying and mapping engineering major which are demanded by employing units, and accelerates the teaching reform and enhance the higher education quality of surveying and mapping engineering...
The coordinate transformation between national system and local independent coordinate system is an important problem in geodesy and geomatics work. The similar transformation method and polynomial approximation method in coordinate transformation were discussed in this paper, the results indicated that the precision of polynomial approximation method was better than similar transformation method...
Three-dimension(3D) modeling is introduce to Geographic Information System(GIS). A strategy of the construction of 3D model, 3D visualization and 3D spatial analysis are proposed in Supernatural GIS environment. Based on air photos and large scale topographical map, with Digital Photogrammetric System(DPS) and 3DMAX techniques, a 3D virtual scene of Henan Polytechnic University campus is designed...
As a typical city in development in China, Yichang is characterized by the booming industry, which calls for an effective way to process data backup. But many problems in both software and hardware exist in current prevalent backup system. We should construct hieratical backup system on the basis of open platform. The essay analyzes the weak and strong points of tape library pattern, NAS pattern,...
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