| 摘要 |
A method for dynamically generating synthetic images using Delaunay gridding, wherein only those terrain portions in which a significant level-of-detail variation occurs are processed in real time, said significant variation being determined on the basis of the angular error that would be made, from the observer's viewpoint and relative to the various points of the terrain, if these points were not processed. Only an angular error above a given threshold is taken into account.
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