On Tue, 14 Jan 2025 at 22:24, Tom Brennan <[email protected]> wrote:
> One field that I have in my data that doesn't have an equivalent in OSM is > a relevance/importance field. Essentially a number that gets bigger the > larger the stream. NSW SS data also has a relevance field from 1?-9 (where > 9 is the smallest). The main problem with streams in OSM at the moment is > that they all suddenly appear at the same zoom level, even though in some > cases the streams are larger than the nearby rivers that they flow into! It > makes the map suddenly very cluttered. Yes, this is a rendering issue, but > there's not much for the renderer to go on. > > There are the width and intermittent tags, but they don't really give you > a relative importance. > I think that's something the downstream data consumers can calculate from the OSM data rather than tags we add to OSM. This is how https://waterwaymap.org/#map=9.87/-33.6952/150.5121 does their stream thickness rendering. > > Either way I think it would be helpful for others to have the end-to-end > > process documented on the wiki. > > If I develop it further, then I'll add some more documentation. At the > moment, I am just exporting the layer as GeoJSON and dragging it into ID. > There are videos and tutorials on various things you can do with the DEM > data at: > https://maps.ozultimate.com/wiki/nsw_lidar Nice documentation there.
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