<br><br><div class="gmail_quote">2011/4/1 Nathan Edgars II <span dir="ltr"><<a href="mailto:neroute2@gmail.com">neroute2@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
On 4/1/2011 9:53 AM, M∡rtin Koppenhoefer wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div><div class="h5">
flow of waterways in mapnik would help to fix those errors, because more<br>
people would become aware.<br>
</div></div>mapping error. What if a coastline is drawn the other way? Rendering the<br></blockquote>
<br>
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).</blockquote><div><br>
<br>Yes of course. I set FIXME=please check flow direction if I am unsure (usually you can deduct the flow direction but there is rare cases where it is not possible). I have never come across a waterway with changing flow direction, but I don't exclude that this does exist, so the suggested directional / flow tag could have a benefit for these. Another solution would be to not consider these cases part of {river, stream, canal, drain, ditch}, but rather invent another tag for them.<br>
<br>cheers,<br>Martin<br></div></div>