, it is the only thing that ever has. Margaret Mead
Message: 2
Date: Fri, 29 May 2015 15:10:51 +0100
From: Daniel Cussen d...@post.com
To: Discussion of OpenStreetMap in Ireland talk-ie@openstreetmap.org
Subject: Re: [OSM-talk-ie] Water depth in lake
3) Depth is normally displayed on maps
Date: Fri, 29 May 2015 15:10:51 +0100
From: Daniel Cussen d...@post.com
To: Discussion of OpenStreetMap in Ireland talk-ie@openstreetmap.org
Subject: Re: [OSM-talk-ie] Water depth in lake
3) Depth is normally displayed on maps as mean tide level (I think),
are you taking into account tide (off
Could you use height info from the GPS? Would it be good enough to
calculate depth below sea level at that point? GPS height might take
into account variable water height?
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Hello talk-ie@openstreetmap.org
I'm working on a project for work which involves faffing about on a lake here
in Ireland in a boat. What I'm doing is working on pulling NMEA Data off the
boat's CAN Bus into a computer.
The boat has a few sesnors on it, depth, GPS and will have water Temp, if not
http://www.openseamap.org/
is a marine map, which may have depth, or could use depth data.
There may be some legal ramifications in some countries where the
government/department has a monopoly on producing marine charts (which
are maps with depth and other data) as free/open maps may have
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Hi John,
OSM can store many things, but water depths are probably not being
shown on the main OSM page, but that doesn't mean they are not being
stored. Do you know about OpenSeaMap? It uses OSM but for more
nautical/maritime uses. It looks like they
