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by rmc
3574 days ago
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> oHw they [OSM] might've constructed their maps given the similarly noisy GPS samples Mark One Eyeball. OSM mappers manually convert the GPS traces to roads/features. You load the GPS trace into your editor, like a background layer. Then you draw in the road based on the GPS trace, and your common sense. But now-a-days aerial imagery is used a lot instead of GPS data. |
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