Re: QT map widget

2010-06-14 Thread Alberto Mardegan
kate.alh...@nokia.com wrote: Situation is when lot of map tiles are loaded. loaded as in downloaded? About the number of tiles loaded into memory, mappero uses a tile cache, which is actually quite big (140 tiles, and tiles are textures sized 256x256 pixels) so it may consume quite a bit of

Re: QT map widget

2010-06-14 Thread Tomasz Rybak
Dnia 2010-06-13, nie o godzinie 14:39 +0300, Alberto Mardegan pisze: (off topic: if you can find some way to reproduce it reliably, please file a bug -- although if you really need to take out the battery, that cannot be a bug in the application itself) I had similar problem and even

Re: QT map widget

2010-06-13 Thread Till Harbaum / Lists
Hi, Am Samstag 12 Juni 2010 schrieb Joerg Reisenweber: It's rather moot, as this isn't a movie at 25fps, so an occasional image refresh, no matter how it's done, will take magnitudes less energy per time in average, than the backlight eats to display the image. When screen is dimmed (or

Re: QT map widget

2010-06-13 Thread Sampo Savola
Hey When I started to write eCoach in Qt I had to search for existing mapwidget in Qt. I came to result that QMapControl is the best current solution. I tried also marble but i think it is an overkill for a device like N900. I suggest that the QMapControl could be the basis for the new Qt

Re: QT map widget

2010-06-13 Thread Ian Stirling
Till Harbaum / Lists wrote: Hi, Am Samstag 12 Juni 2010 schrieb Joerg Reisenweber: It's rather moot, as this isn't a movie at 25fps, so an occasional image refresh, no matter how it's done, will take magnitudes less energy per time in average, than the backlight eats to display the image.

Re: QT map widget

2010-06-13 Thread kate.alhola
- Original message - kate.alh...@nokia.commailto:kate.alh...@nokia.com wrote: I don't know hat mappero (ex maemo mapper) does internaly but least, it can eat all cpu power when doing processing maps so that only way out is remove battery from device. I've been told that this

Re: QT map widget

2010-06-12 Thread Till Harbaum / Lists
Hi, Am Freitag 11 Juni 2010 schrieb Marijn Kruisselbrink: You might also want to look at the marblewidget (http://edu.kde.org/marble/). As far as I know it can be built without any kde dependency, and is pretty powerful. I did. On the n900 as well as on the linux desktop. While i really

Re: QT map widget

2010-06-12 Thread Ian Stirling
Till Harbaum / Lists wrote: Hi, Am Freitag 11 Juni 2010 schrieb Marijn Kruisselbrink: You might also want to look at the marblewidget (http://edu.kde.org/marble/). I did. On the n900 as well as on the linux desktop. While i really think this is great for desktops i also think that it isn't

Re: QT map widget

2010-06-12 Thread Till Harbaum / Lists
Hi, Am Samstag 12 Juni 2010 schrieb Ian Stirling: And speedups may be very possible - if for example you can offload portions of the workload onto a GPU. That addresses the performance problem, but this likely also if you do this for performance reasons, it also increases battery consumption

Re: QT map widget

2010-06-12 Thread Joerg Reisenweber
[Till Harbaum / Lists Sa 12. Juni 2010]: Hi, Am Samstag 12 Juni 2010 schrieb Ian Stirling: And speedups may be very possible - if for example you can offload portions of the workload onto a GPU. That addresses the performance problem, but this likely also if you do this for performance

RE: QT map widget

2010-06-11 Thread tero.kojo
-Original Message- From: maemo-developers-boun...@maemo.org [mailto:maemo-developers- boun...@maemo.org] On Behalf Of ext Till Harbaum Sent: 11 June, 2010 12:03 To: maemo-developers@maemo.org Subject: QT map widget Hi, with the switch to qt i think there's a need for a qt map

Re: QT map widget

2010-06-11 Thread Marijn Kruisselbrink
On Friday 11 June 2010 11:02:53 Till Harbaum wrote: Hi, with the switch to qt i think there's a need for a qt map widget. I really see a need for a unified widget to be used by all applications. The current situation with multiple different map widgets on maemo5 shows what imho should be

Re: QT map widget

2010-06-11 Thread Simon Pickering
A start may be this widget: http://medieninf.de/qmapcontrol/ You might also want to look at the marblewidget (http://edu.kde.org/marble/). As far as I know it can be built without any kde dependency, and is pretty powerful. Apparently it's also already running on an N900 (from the

Re: QT map widget

2010-06-11 Thread Gary Birkett
Till, I totally agree! regarding qmapcontrol, i was just talking to sampo about this and we identified a rendering bug that i fixed in place (hes got the latest code somewhere) i like the look of this widget, its fairly simple to understand and has support for multiple download services and would

Re: QT map widget

2010-06-11 Thread Simon Pickering
On 11/06/2010 10:02, Till Harbaum wrote: with the switch to qt i think there's a need for a qt map widget. I really see a need for a unified widget to be used by all applications. The current situation with multiple different map widgets on maemo5 shows what imho should be prevented: - They

Re: Re: QT map widget

2010-06-11 Thread Till Harbaum
Hi, - original Nachricht I should add that I totally agree with the goal here. The question is whether it would be better to decide exactly what we want (in terms of features, hw accelerated rendering, etc.) and write something new, or to modify an existing piece of code.

Re: QT map widget

2010-06-11 Thread Till Harbaum / Lists
Hi, Am Freitag 11 Juni 2010 schrieb tero.k...@nokia.com: It looks like the people at Qt are thinking of this as well. http://qt.nokia.com/developer/qt-roadmap/ mentions Maps/Navigation API and while the details are really scarce (it's only a roadmap, so that is expected), it does state

Re: QT map widget

2010-06-11 Thread Till Harbaum / Lists
Hi, Am Freitag 11 Juni 2010 schrieb Simon Pickering: Would a wiki page be useful to determine people's wishes for such a Here we go: http://wiki.maemo.org/QTMapWidget Till ___ maemo-developers mailing list maemo-developers@maemo.org