Thanks !
Le 28.09.2015 19:30, Oliver Eichler a écrit : > Ok, I had a look into this. There is a small bug indeed. The algorithm is > taking the first point with a delta larger than the given one. However the > correct algorithm uses the point with the largest distance to the line. > > Fixed with commit 158274df79a45eafa462dec0c9500c7243ad58e6 > > Thanks for finding! > > Am Montag, 28. September 2015, 15:25:19 schrieb [email protected]: > >> Hello, > >> > >> After playing a lot with this website http://karthaus.nl/rdp/ [1] and > >> comparing the results given by QMS and QLGT I reached the uncomfortable > >> point that QMS (and QLGT) seem wrong when filtering using > >> Peuker-Douglas. > >> > >> The purpose of this filter is to simplify captured GPS tracks. The > >> filtered track should look the same but with less points (then faster to > >> display and with less noise influence on total track distance). > >> > >> Then if you take "original.gpx" and if you filter it at 5 meters you > >> should get "expected 5m.gpx" : all of the point inside a "tunnel" of 2*5 > >> meters wide are removed. Only corner points are kept. > >> > >> But with QMS it gives "douglPeuker 5m.gpx" where intermediate points on > >> straight lines have not been removed and some corners have been cut... > >> > >> Is it OK or not ? > >> > >> Is there something I missed ? > >> > >> Thanks for your help > >> > >> > >> Links: > >> ------ > >> [1] http://karthaus.nl/rdp/ > > ------------------------------------------------------------------------------ > > > _______________________________________________ > Qlandkartegt-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/qlandkartegt-users [1] Links: ------ [1] https://lists.sourceforge.net/lists/listinfo/qlandkartegt-users
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