![]() Also be aware that what looks like a R.H. straight lines, and have as few points as possible to avoid cluttering, but have just enough so that the straight lines out of a junction exactly follow the road you want to go down from that junction, so that when you get to that junction the direction of the line will leave you in no doubt as to what choice to make there. If you want to follow a specific route that you've designed, the best way is to design it with route planning software NOT in follow roads mode, i.e. I think the turn by turn navigation is best if you just want to go to one certain point, rather than follow a route comprised of lots of points, then the unit's free to use its own algorithm in an unconstrained way. Remember a computer has no concept of a random curve, it has to be described by a series of small straight lines. But if you've used a route creation website/program that uses snap to roads mode ASWELL, then there will be a lot of points, as the route creator has to put interim points in as well as the ones you click on - this makes for a lot of calculation, and therefore a lot of room for error. What it basically does is use its algorithm to calculate the route from one point to the next, to the next, to the next etc. I've used it on audaxes where i've used 'on road' mode and it has suggested 'phantom' turns that haven't been part of the route. Click to is, and it will enable you to do turn by turn navigation.
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