This paper outlines a technique to represent terrain using tree structures, based on Morton ordering to avoid the use of pointers. This approach enables terrain data to be organised in a hierarchical form affording a trade-off between the speed of access to the terrain database and resolution of the terrain data extracted from the tree. A set of database access algorithms is developed that form the basis of the path extraction needed for real-time mission management. Several examples are presented to illustrate the performance of the routeing algorithms developed in the paper.


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    Title :

    The application of oct-tree terrain models to real-time aircraft flight path planning


    Contributors:
    Allerton, D.J. (author) / Gia, M.C. (author)

    Published in:

    The Journal of Navigation ; 53 , 3 ; 483-498


    Publication date :

    2000


    Size :

    16 Seiten, 25 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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