In a mkgmap style, you can now do more than just test the values of tags.
- Gives the length of a way in meters. This can be used to omit short driveways and the like.
highway=residential & access=private & length() > 50 ...
- True if all the nodes of a way were present in the input file.
- True if the first point is the same as the last. This can be useful to determine if something might be a polygon when it could otherwise be ambiguous.
This useful feature was added by WanMil.
Posted by steve on 20 Jan 2013