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Version 0.99.3 - Speedblaster

Sunday, February 14. 2010

Improvements all over


tangoGPS has always been the fastest map&gps viewer for Linux and now it is even faster. As tangoGPS is approaching version 1.0 I have spend some time on profiling the code. The results are fabulous, especially on handheld / embedded systems and netbooks like the eeePC or the Acer Aspire one. The CPU usage on a Samsung 6410 has come down from 8-9% to 2%. This should greatly improve battery life.

So we have now:
  • longer battery life
  • less CPU usage
  • much improved map responsiveness
  • last not least: the world now wraps around

Kudos go to Sander van Grieken for the dutch translation.

Enjoy!

Update:
You can get new 0.99.3 packages for Ubuntu on getdeb
by marcus bauer in Release Notes at 16:27 | Comments (5) | Trackback (1)

Comments
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#1 - Max 2010-02-17 14:56 - (Reply)

It really feels much faster (on Freerunner)! Nice work! Tangogps still is my favourite Freerunner App. I wish everything else would work as smooth on it as GPSing with tangogps. :)
Keep up the good work
Max

#1.1 - Johnny Mnemonic 2010-02-17 20:08 - (Reply)

On what distro did you try? Where did you download the package?

#2 - Marc 2010-02-20 00:26 - (Reply)

I saw many people here crying for some offline routing but I think tangogps does a great job on what it is made for.

If you need offline routing, try this:
http://luckygps.com/

It mentions tangogps as a good example and where they took some ideas from, so intending to be sibling, not rival with tangogps :-)

#3 - Ganesh Sittampalam 2010-05-13 22:08 - (Reply)

First, thanks very much for tangogps - I just discovered it and it's great!

Now for some comments, which should be taken within the context of "it's great" above, and thus not too negatively :-)

I find the process of downloading fresh tiles a bit glitchy - especially because the screen doesn't normally seem to update as the new tiles are downloaded. Also sometimes a tile just refuses to download - is that caused by network/download failure getting cached?

There also seems to be a glitch with the drawing of tracks - occasionally I see a track drawn on a tile it doesn't relate to - it jumps around or disappears as I zoom in and out. This may be related to zooming further past zoom level 17.

Also sometimes tracks aren't shown (in the right place) at all levels of zoom.

"Autocenter on" doesn't stick - i.e. when it's on, as you move, the map should follow you. I can see that this might be annoying sometimes though so perhaps it should be an option or something.

How is tile staleness handled, if at all?

#4 - curious SAYS:
2010-05-24 09:06 - (Reply)

hello.
i've found :
http://kiwav.blogspot.com/2008/03/expanding-sdl-sdlgfx-library.html

adding decently coded rotozoomer to tangogps is imho good idea. i am not really a coder, so excuse me if above link is not good idea (so via using sdl library) :)
anyway people are able to do quite fast rotozooming even on slow pentiums, so why not implementing it for map rotation and zoom in tangogps ?


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