Questions about the MaemoMapper - Page 6 - maemo.org

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	gnuite	2007-03-18 , 18:55
	Posts: 1,245 \| Thanked: 421 times \| Joined on Dec 2005	#51

Originally Posted by zoran

What I am wondering is, is my GPS giving bogus results (due to buildings, sharp corners, etc.) or is MM doing some optimistic prediction when the signal is of less quality?

If so, would it be possible to switch prediction off and just track the points that are good (i.e. skip points where the signal is below a certain treshold?). This would make MM an even better tool for OSM track usage.

Maemo Mapper does not attempt to modify or optimize a GPS receiver's output. It uses exactly what your receiver tells it, and only if that answer is considered by your receiver to be "valid." Your GPS receiver might be doing some optimization or guessing on its end, but that is beyond Maemo Mapper's control.

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	Nik1	2007-03-18 , 21:49
	Posts: 186 \| Thanked: 5 times \| Joined on Feb 2007 @ Canada	#52

Is it possible to make the map move while you move. I find it frustrating to keep on moving around the map to see my trail and where im headed while im driving.

__________________
http://my-symbian.com

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rhackenb	2007-03-18 , 22:03
Posts: 84 \| Thanked: 6 times \| Joined on Feb 2007 @ Noblesville, IN USA	#53

Originally Posted by Nik1

Is it possible to make the map move while you move. I find it frustrating to keep on moving around the map to see my trail and where im headed while im driving.

It took me a while to figure this out. When you have GPS enabled and are connected to the GPS, do Auto-Center->Lat/Lon. This will make the map keep refreshing as you move. As an alternative, you can choose Lead, which will keep your position dot closest to the edge of the map that you are coming from so that the way forward occupies most of the screen.

In conjunction with that, you can also select View->Velocity Vector. This will extend a bar out from your current position that points in the direction you are heading. The length of the bar is proportional to speed that you are going.

If you don't see these options, you may have an older version installed. Mine is 1.4.3-3 for the n800.

-- rhackenb

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rla1999	2007-03-19 , 13:17
Posts: 23 \| Thanked: 2 times \| Joined on Mar 2007	#54

Originally Posted by gnuite

flite is available from the same application repository as Maemo Mapper. All you have to do is install it and enable the voice synthesis option in Maemo Mapper's Settings dialog (in the "Announce" tab). Here is a link for downloading and installing flite:

http://www.gnuite.com/nokia770/flite.install

Thanks for the info gnuite. I am slowly catching up to the rest of the forum (: Waypoints and POI's are next. Thanks again.

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	bergie	2007-03-19 , 13:53
	Posts: 381 \| Thanked: 847 times \| Joined on Jan 2007 @ Helsinki	#55

Originally Posted by maxilogan

Anyone having ideas about the python script problem? I searched around the web and it appears that there is some "sqlite" module for python, but I am not enough skilled on python to see whether or not it is installed / supported by the python 2.4 version I am running. Should I upgrade to pythin 2.5?

Yes, the script requires Python 2.5

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cudgel	2007-03-19 , 19:36
Posts: 2 \| Thanked: 0 times \| Joined on Mar 2007	#56

Hmm, the script generates a dbus error when I try to run it:

Traceback (most recent call last):
File "./wikipedia2poi.py", line 30, in <module>
bus = dbus.SessionBus()
File "debian/python2.5-dbus/usr/lib/python2.5/site-packages/dbus/_dbus.py", line 266, in __new__
File "debian/python2.5-dbus/usr/lib/python2.5/site-packages/dbus/_dbus.py", line 99, in __new__
File "dbus_bindings.pyx", line 1692, in dbus_bindings.bus_get
TypeError: exceptions must be strings, classes, or instances, not type

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	bergie	2007-03-20 , 06:57
	Posts: 381 \| Thanked: 847 times \| Joined on Jan 2007 @ Helsinki	#57

Originally Posted by cudgel

Hmm, the script generates a dbus error when I try to run it

Do you have geoclue and the hostip backend for it installed? You can get them from the maemo hackers repository.

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carbon	2007-03-20 , 13:40
Posts: 11 \| Thanked: 0 times \| Joined on Jan 2007	#58

I have a question on the way Maemo Mapper calculates the speed displayed in the upper left corner. I remember seeing a post that Maemo Mapper does not consider altitude in its calculations. I assume this means that speed is calculated for horizontal distances between gps readings. Does this mean that the speed Maemo Mapper reports when traveling on an incline is less than actual speed due to the angle? I travel in mountainous areas and was curious, not that there is any problem.

Thanks

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rhackenb	2007-03-20 , 14:05
Posts: 84 \| Thanked: 6 times \| Joined on Feb 2007 @ Noblesville, IN USA	#59

Originally Posted by carbon

I have a question on the way Maemo Mapper calculates the speed displayed in the upper left corner. I remember seeing a post that Maemo Mapper does not consider altitude in its calculations. I assume this means that speed is calculated for horizontal distances between gps readings. Does this mean that the speed Maemo Mapper reports when traveling on an incline is less than actual speed due to the angle? I travel in mountainous areas and was curious, not that there is any problem.

Thanks

A related question concerns the distance covered. I assume that the MMapper does not measure the ups and downs.

-- rhackenb

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fldude99	2007-03-20 , 14:23
Posts: 101 \| Thanked: 14 times \| Joined on Jan 2007	#60

This may be in a post but sorry I can't find it. I downloaded a large amt of maps for a trip I am making to Italy and I'm sure it will work great. However when I return to home I won't need the map cache-how does one find the actual folder to delete from where it was saved? I only see numbers on the folders (many!)