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Torsten Rahn authored
in a way that is remotely similar to Douglas-Peuckert. The detail level gets assigned via GeoDataLineStrings::optimized() which returns another lineString that holds detail level information. This call is currently made inside the PN2 and OSM file parser. The algorithm works best for long linestrings. Therefore the maximum benefit is made e.g. for the atlas map theme where performance increases by about 10-20%.
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