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[3D Graphic] 三维地形 DL : 2: GIS (Geographical Information System) is a computer support system that represents data using maps. It helps people access, display and analyse data that has geographic content and meaning. For those not familiar with GIS, it used to be a niche IT market dominated by the traditional GIS and CAD companies such as Intergraph, Bentley, MapInfo, Autodesk and ESRI. Nowadays global IT giants such as Microsoft, Google and Oracle are competing for their share of the pie through products such as Virtual Earth, Google Earth and Oracle Spatial. NASA has also recently released a free, open source GIS viewer application called World Wind.-GIS (Geographical Information System) is a computer support system that represents data using maps. It helps people access, display and analyze data that has geographic co ntent and meaning. For those not familiar with G. IS, it used to be a niche IT market dominated by the tr aditional GIS and CAD companies such as Intergr aph, Bentley, and MapInfo. Autodesk and ESRI. Nowadays global IT giants su ch as Microsoft. Google and Oracle are competing for their share of the pie through products such as Virtual Eart h Google Earth and Oracle Spatial. NASA has also r ecently released a free, open source GIS viewer application called Worl d Wind.
Date : 2011-06-23 Size : 299.42kb User : kangaroos
[3D Graphic] VRML5 DL : 0: 主程序：VRML3-6月亮围绕地球转动.wrl 虚拟现实-Main program: VRML3-6 moon rotate around the Earth. Wrl Virtual Reality
Date : 2026-01-09 Size : 322kb User : 丁益
[3D Graphic] earthmoon DL : 0: 地球的自转和公转，以及月球绕着地球的旋转，虚拟现实的课程设计-Earth' s rotation and revolution, and the rotation of the Moon around the Earth, the virtual reality course design
Date : 2026-01-09 Size : 1kb User : liutianchen
[3D Graphic] gongzhuan DL : 0: 用VRML编写的虚拟现实月球围绕地球转.有宇宙,有地球,有月球-VRML prepared by the virtual reality the moon around the earth. The universe, the earth, moon
Date : 2026-01-09 Size : 372kb User : cccc