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icon TrekBuddy
www.trekbuddy.net
Outdoor companion.
  • internal / bluetooth / simulator GPS
  • offline raster maps
  • smart GPX / raw NMEA logs
  • waypoints and simple navigation
  • custom views
  • MIDP and Symbian phones
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Moving average for speed

 
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radlen



Joined: 10 Oct 2007
Posts: 1

PostPosted: Thu Oct 25, 2007 7:33 pm    Post subject: Moving average for speed Reply with quote

Hi all,

I'm using TrekBuddy for creating logs when jogging. I am very pleased with this application and appreciate the effort spent on developping this tool.
But... I have the first ideas now for additions I would like to use.
Due to the slow speed when jogging and the inaccurancy of the GPS system the indicated real time speed is very volatile.
In my opinion the indicated speed needs a little 'smoothing'. Therefore it would be good to be able to show a moving average of the measured speed. As far as I know there are no variables usable in a CMS scheme for this. Additionally one should be able to set the depth of the buffer for the calculation of the average. E.g. one would like to have the average speed calculated using the last 5, 10 or 30 measurements.
Additionally I would like to display my speed not only in km/h but in min/km (often referred to as pace).
I think many people before had these ideas but I have not found any info on this issue. Not in the forum nor the Wiki.
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