On Fri, Jan 8, 2010 at 12:25 PM, Hans-Jörg Bibiko <bib...@eva.mpg.de> wrote:
> On Jan 8, 2010, at 12:20 PM, Karl Ove Hufthammer wrote: > > On Fri, 8 Jan 2010 10:11:20 +0100 Hans-Jörg Bibiko <bib...@eva.mpg.de> > > wrote: > >> I've a tiny question. Is there an annotated river dataset available? > >> By 'annotated' I mean that rivers are ranked by a sort of > >> relevance/size/length or whatever. The problem is that I have an huge > >> SpatialLines object called 'rivers' which shows ~23200 rivers but I > >> have to draw a map which only shows the most largest ones (let's say > >> 100 to 150) plus one to three rivers for a country. > > The Natural Earth Data site has some global river shapefile data: http://www.naturalearthdata.com/downloads/10m-physical-vectors/ the one with "scale ranks and tappering" has some metadata which might relate to size... Barry -- blog: http://geospaced.blogspot.com/ web: http://www.maths.lancs.ac.uk/~rowlings web: http://www.rowlingson.com/ twitter: http://twitter.com/geospacedman pics: http://www.flickr.com/photos/spacedman [[alternative HTML version deleted]]
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