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10
votes
2answers
347 views

How to route over waterways?

There is a lot of information about (pg)routing over normal ways. Normal ways are man made and kind of ideal for routing. However i am interested in routing over waterways. In theory this should be ...
3
votes
1answer
722 views

Water Flow Analysis

If I know that 10,000+ gallons of water were going to be dropped at a single point how could I model where it would flow. I would prefer something that worked in ArcGIS and could create a layer. ...
3
votes
1answer
366 views

Where can i find free mapnik map styles with focus on waterways?

I am using Google maps for my map tiles. These tiles are very road oriented. As i am making an application for waterways i would like to change my map so that its main focus is on waterways. I have a ...
3
votes
1answer
115 views

How to calculate the distance of sites to riverways

How do you calculate the distance of about 10 sites scattered across a region to bodies of water (rivers and lakes) using ArcGIS 10.1? I have the lat/lon coordinates of the 10 sites as a point ...