Hello -- brand new user here, please be patient :). I am trying to improve OSM in my home town. I notice that many/most OSM ways are approx 5-10 m west of where Bing has them.
Most either have nearmap or nothing as a source. There are no GPS tracks to download. I could make some but they're usually in (random) error by about the same amount anyway. I tried to check against the coordinates given for a survey mark in town, through http://services.land.vic.gov.au/maps/lassi.jsp (with conversion to lat/lon with http://www.gracode.com/mapgrids.php ) ... this also had the Bing map out by about 10 m... but southward! Help! Three inconsistent systems - Bing, OSM and the survey mark. Which if any should I trust at the 1-m level? Is there a tool for averaging GPS tracks? There are roads I have run along dozens of times with a GPS track for every run. Maybe with averaging it could get to the 1m level of accuracy. (Yeah yeah, don't sweat the small stuff... I just can't stand seeing streets running through people's front gardens...) Thanks in advance Russell
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