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Monday, 15 September, 2008

Elevation Chart For Google Maps

While Pamn's daughter and family/critters were making her way across the country, I had an idea for a new feature for Google Maps: an elevation chart.

It should be very do-able. After you map out a route, click a button and see a chart that shows the elevation changes on the vertical axis, and miles on the horizontal axis. Not surprisingly, my idea is far from original. I found lots of examples of elevation charts.

I made a crude elevation chart for the Moving To Virginia trip.

This chart has two problems. The points on the horizontal axis are fixed-distance. In reality, they aren't (they drove varying number of miles per day). The other problem is that it doesn't show the detail for each line segment.

I suspect that GPS devices can also do it. So why not Google Maps?