Hi, did you take the elevation into account, too? This will cause different segmentation than just the 2D positions.
Oliver 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/
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