Elevation chart Y axis does not re-scale properly between different Tracks

What steps will reproduce the problem?
1.View the elevation/speed chart for a Track with an extreme Y axis range (e.g. 
I had a Track which for some reason recorded negative elevations down to 
-658ft... GPS data error? MyTracks bug?)
2.Select a different Track with a different axis range (e.g. smaller range of 
elevations)
3.View the elevation/speed chart for this (normal) Track

What is the expected output? What do you see instead?
- expect to see elevation (Y) axis range re-scale for new Track
- however it still shows the old range (e.g. in my case still shows significant 
negative range, even though the new Track does not have any negative values)

What version of MyTracks are you using? On what version of Android? On what
phone?
- MyTracks v1.1.7
- Android v2.2
- HTC Desire

If possible please provide a log.  Either upload here or send to mytracks-
support@google.com.
Detailed instructions can be found here:
http://code.google.com/p/mytracks/wiki/HowToReportErrors

Please provide any additional information here:

Original issue reported on code.google.com by colmar.o...@gmail.com on 25 Jul 2011 at 1:58

irfan-arshad-arbisoft / mytracks

Elevation chart Y axis does not re-scale properly between different Tracks #527