On 4/1/2011 9:53 AM, M∡rtin Koppenhoefer wrote:
2011/3/31 Lennard <l...@xs4all.nl <mailto:l...@xs4all.nl>>

    If the direction of the way is drawn in the same flow of the water, it

        should always be drawn with an arrow.


    What if it's drawn the other way?


mapping error. What if a coastline is drawn the other way? Rendering the
flow of waterways in mapnik would help to fix those errors, because more
people would become aware.

Still doesn't deal with unknown or abnormal flow. For a coastline, it's obvious which side is land, but it's not always obvious which way a waterway flows (if it even has a constant flow).

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