A VIRTUAL TERRAIN SIMULATION,BASED ON THE MAP DATA AND ACCORDING WITH THE REGULAR PATTERN OF VISION
Chen Gang (Cartography Dept. Zhengzhou Institute of Surveying and Mapping, 450052)
This article analyses and solves two keys to make the virtual terrain simulation in accord ance with the regular pattern of vision —— “the close, the clearer”,then illustrates with an example in detail.
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