Ok thank you. I will try to see how they do this. On 1 jul, 15:49, JP <joachim.pfeif...@gmail.com> wrote: > You could conceivably use a change in zoom level to drive the thinning > of the poly lines, or other factors that help you determine the level > of thinning. This is not trivial - you'll want to run the algorithm > outside of your Overlay.draw() and probably not draw any lines until > the algorithm has finished. Off the cuff, I figure you'll have to use > AsyncTask for that, so there's not quick and dirty way (that I can > see) if you want to get this right. In any case, you could study > MyTracks to find out how they've solved this problem. > > On Jul 1, 2:00 am, Felix Garcia Lainez <fgarcialai...@gmail.com> > wrote: > > > > > Hi, > > > So you are doing something similar to my draw method? > > > I have just tested without alpha and anti-alising and it is faster, > > but when there is big zoom level the mapactivity is closed (i think > > this is due to memory usage) > > > How should i profile this case? Really as i said there is not any > > strange thing on the code... Simply a map with an overlay... > > > Thanks! > > > On 1 jul, 01:39, TreKing <treking...@gmail.com> wrote: > > > > On Thu, Jun 30, 2011 at 5:47 PM, Felix Garcia Lainez < > > > > fgarcialai...@gmail.com> wrote: > > > > About the size with 300 or 400 GeoPoints i am already having problems... > > > > The method isOnePointVisible is an optimization i did in order to try to > > > > improve performance (seems to work fine). > > > > So I have a very similar overlay to draw routes, with no optimization, > > > and I > > > just loaded 7 or 8 of them with no apparent slow down on my Nexus One. > > > > Here are some thoughts: > > > - What device are you running on? > > > - Are you debugging or is this in release mode? > > > - Do you need anti-aliasing? I think that might slow it down. > > > - Do you need alpha? That would definitely slow down drawing. Set that to > > > solid and see if if helps. > > > > If none of that helps you're going to have to profile your code to get a > > > clear picture of what's taking so long. > > > > --------------------------------------------------------------------------- > > > ---------------------- > > > TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago > > > transit tracking app for Android-powered devices
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