Talk:Tag:waterway=river
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visibility of rivers
I'd really like to see rivers show up in mapnik at a higher zoomlevel than only ≥ z12. Even riverbank/water are only showing up as early as z7 ! Rivers can be seen from space much earlier than any motorway. why not show them as early as z6 ?!? --katpatuka 08:36, 23 August 2008 (UTC)
Direction of flow
Is there any guidlines to which way to track a river? For instance the direction of flow. I have always tracked rivers the way the water flow, that is from the mountains to the sea. --Skippern 13:22, 19 October 2008 (UTC)
- The article says "Direction of the way should be downstream." axk 17:29, 8 April 2009 (UTC)
Rivers near their source
I have been tracing rivers from NPE lately and followed them back to close to their source. However, I am not clear on whether I should really be tagging them as streams once they get pretty thin. Often the NPE continues to mark them as "River Clun", etc. Should I be tagging those thin stretches near the source as streams, but keep the "River Clun" name tag, or just stick to river for the whole length? --Davespod 09:34, 30 July 2009 (UTC)
When they disappear into a cave
- tag the end-node of the way as waterway= {soakhole|sinkhole|karst|dolite} ?
- This is the end node of a stream where it disappears into a hole/cave, as you might find in limestone country. Presumably it pops back out somewhere else as a spring. Possible aka's: "soakhole", "sinkhole", "dolite", or "karst". Sinkholes (with or without water flowing into them) can be quite big, so can be both areas and nodes. --Hamish
- Why not use natural=cave_entrance? In combination with waterway=stream(e.G.) and tunnel=yes the objects could be described pretty exact imo. No need to invent too specific tags. -- Malenki 12:05, 25 April 2010 (UTC)
- PS: I imply you mean it's the end of the waterway on layer=0, continuing on layer=-1, not really the end of the waterway at all.
this looks good myfanwy 01:32, 23 April 2010 (UTC)
- Uploaded as waterway=soakhole for the LINZ bulk import, and will merge those nodes into the river ways once the rivers are uploaded. (we have no info about where the streams go underground, so not bothering with layer=-1) --Hamish 00:20, 27 December 2010 (UTC)
River Confluence
I've been thinking about how to make specific reaches of rivers searchable. For example, in older paleontological literature the position of a fossil locality is sometimes given in relation to a river confluence. For someone unfamiliar with the region, it would be useful to be able to search on this type of relationship.
Maybe some combination of these tags would work?
confluence=river a name;river b name
name=confluence of river a and river b
waterway=confluence
--Mattbk16:25, 21 September 2011 (BST)
