Method and device for automatically simplifying shape points of polygonal surface elements of electronic map
An electronic map and shape point technology, which is applied to maps/plans/charts, instruments, road network navigators, etc., can solve problems such as manual misoperation, high cost, and huge workload, so as to improve work efficiency, enrich expression, The effect of improving quality
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[0026] In this embodiment, the shape points in the first coordinate point sequence are first traversed, wherein, during the traversal process, the distance between the currently traversed shape point and all shape points in the second coordinate point sequence is calculated, And when the distance between the currently traversed shape point and all the shape points in the second coordinate point sequence is not less than the predetermined distance value, add the currently traversed shape point to the second coordinate point sequence; wherein, in Before the traversal starts, there is no shape point in the second coordinate point sequence.
[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the exemplary embodiments and descriptions of the present inven...
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