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Waze records the direction of user travel at routine intervals, and it uses little colored arrows to show those routes in the map editor: | Waze records the direction of user travel at routine intervals, and it uses little colored arrows to show those routes in the map editor: | ||
[[File:GPS traces show traffic.jpg| | [[File:GPS traces show traffic.jpg|center|600px]] | ||
Notice that, in most instances, there are two different colored arrows side by side. This shows two-way traffic. There are a few places, however, where the arrows are only one color -- and only go one direction. These apparently indicate someone driving up to a building and turning the app off, since there is no street at the other end of the trace for the driver to turn on. | |||
Revision as of 01:19, 2 September 2015
-GPS Tutorial
What is a "GPS Trace"?
You will often hear editors talking about using a "GPS Trace" to verify roads that don't show up on either the satellite view or street view, or to verify directionality -- but what are they talking about?
Waze records the direction of user travel at routine intervals, and it uses little colored arrows to show those routes in the map editor:
Notice that, in most instances, there are two different colored arrows side by side. This shows two-way traffic. There are a few places, however, where the arrows are only one color -- and only go one direction. These apparently indicate someone driving up to a building and turning the app off, since there is no street at the other end of the trace for the driver to turn on.