Approximate self Shadowed Relief Mapping.
近似自阴影浮雕贴图。
At last, the author prompts a scheme for surveying and mapping department to update relief map database with incremental mode.
最后提出了生产部门进行地形图数据库增量更新的方案。
At last, the author prompts a scheme for surveying and mapping department to update relief map database with incremental mode.
最后提出了生产部门进行地形图数据库增量更新的方案。
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