Ok it sounds good... The problem is that i don't know what initial value to use for "tolerance" parameter... What would you recommend? 5 meters?
Thanks! On 1 jul, 03:41, JP <joachim.pfeif...@gmail.com> wrote: > I haven't had to use the Douglas-Peucker algorithm, but I understand > others have so with > success.http://en.wikipedia.org/wiki/Ramer%E2%80%93Douglas%E2%80%93Peucker_al... > This algorithm will thin out the number of poly lines. > Apparently there's an open source implementation in the Android > MyTracks app, licensed under Apache > 2.0.http://code.google.com/p/mytracks/source/browse/MyTracks/src/com/goog... > It's in the method decimate(). > JP > > On Jun 30, 2:46 pm, Felix Garcia Lainez <fgarcialai...@gmail.com> > wrote: > > > > > Hello, > > > The case is that i want to show a route on a MapView. Something simple > > at first sight, simply i created a class that extends overlay and > > implement draw method. On this method i iterate over an array of > > GeoPoints and using a canvas y connect all points. It works fine more > > or less, but i am having issues when drawing long routes with many > > points. The problem is that application is very slow, and sometimes > > MapActivity is closed simply doing a zoom in or zoom out on the map > > with the route drawn... > > > My question is how to improve performance on this situation.... > > > Thanks! -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
