When searching of gps routes in wikiloc, for the trailrunning race "Transvulcania" I have several routes to look. I downloaded a lot, but every route has a distance between 71 kilometers and 74 kilometers, of course someone in the race could be lost for a while, so that is not a big problem for now, but when I see the elevation gain, is very different between them.For example the route in wikiloc says:74.460m +4.171m -3.874mThe same route in eMapzone71.923m +6.495m -6.132m
Another onewikiloc72.100m +4.560m -4.210meMapzone72.045m +5.638m -5.286m
and the worst is that the official distance of the race is: 73.000m and +4.300m.
So I decide to normalize the elevation of the route with a Digital Elevation Model, I upload the original file to http://www.gpsvisualizer.com/elevation and then I look the information with eMapzone, and there is some consistency in the data.
The elevation DEM calculated of the same route with several and diferents gps hardware is something in between +5354 , +5598 and -5015, 5263.
So my question is? is better to take the elevation of a Digital Elevation Model?
أكثر...
Another onewikiloc72.100m +4.560m -4.210meMapzone72.045m +5.638m -5.286m
and the worst is that the official distance of the race is: 73.000m and +4.300m.
So I decide to normalize the elevation of the route with a Digital Elevation Model, I upload the original file to http://www.gpsvisualizer.com/elevation and then I look the information with eMapzone, and there is some consistency in the data.
The elevation DEM calculated of the same route with several and diferents gps hardware is something in between +5354 , +5598 and -5015, 5263.
So my question is? is better to take the elevation of a Digital Elevation Model?
أكثر...