Abstract
The STL(Stereo Lithography) format is one of the data interface format is commonly used in modern manufacturing field. Using parallel-hashing structure as the auxiliary data structure, by adjusting the mapping and reference relationship between each date lists, this paper put forward the parallel topological reconstruction method based on OpenMP. By effectively improving the efficiency of processing hash function conflict and reducing the concurrent access conflict, this method completed parallel merging and topological relation reconstruction to redundant data in STL format file. The calculation examples demonstrated the effectiveness of the proposed method.
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