视景仿真中三维地球的建模

来源 :计算机工程 | 被引量 : 0次 | 上传用户:wanglq2009
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给出了一种基于Blue Marble纹理和GTOPO30高程数据的三维地球建模方法,可消除地表各分块间的缝隙.地表形状模拟精度高,结合多分辨率纹理和高程,实现了对地球的变视角和缩放操作,在飞行模拟、导弹发射、卫星绕地球飞行等涉及到地球大场景或全球视景的仿真中被广泛采用.该建模方法对类似的建模提供了一种新思路,有较高的通用性和实用性.
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