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Upstream vs downstream | ACE BOATER�

It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. I have a network of polylines making up a stream network from the National Hydrology Dataset.

I also have 2 point files: one of areas of interest and another of downwtream of dams within the network. I'd like to upstream and downstream river network a way to calculate 1 the distance to the closest upstream dam for each of the areas of interest and 2 the distance to the closest downstream dam.

Get Steps to run in ModelBuilder and you can just slap an iterator in between steps 1 Upstream And Downstream River Problems and 2 Iterate Feature Selection is likely the way to go to go through the entire list of Areas of Interest. You'll need to check to make sure that forks in streams and whatnot are handled properly rjver you don't get nonsensical results. Sign up to join this community. The best answers are voted up and rise to the top.

Stack Overflow for Teams � Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn. Finding upstream and downstream distance between points along river network polyline Ask Question.

Asked 3 years, 8 months ago. Active 3 years, 2 months ago. Viewed times. Ans this question. Ryan Ryan 9 1 1 bronze badge. You might want to add the ArcGIS tag to. Curran Jul 12 upstream and downstream river network at Add a comment. Active Oldest Votes. Use Split Line at Point with the polylines as the line file and the dam point file as the points.

Hang on to that upstream and downstream river network, as you'll need it for subsequent points. Select the polyline from that file that intersects an Area of Interest point and use that point to split the line. Calculate the length of the resulting two polylines You now have your distance to upstream and downstream dams from your Point of Interest Repeat steps on each subsequent Point of Upstream and downstream river network until you have all the answers you need.

Just make sure to use a clean copy of the split-by-dams polylines, Upstream And Downstream River Example as the presence of 2 Points of Interest between 2 dams would mess up your calculations you'd get the distance to a dam and the distance to the previously used Point Lorem lpsum 307 boatplans/maths-class/ch-6-maths-class-10-theorems-raw 6 maths class 10 raw Interest, instead of the Lorem lpsum 307 boatplans/jon-boat/alumacraft-jon-boat-parts-jersey parts alumacraft jersey boat jon to two dams Get Steps to run in ModelBuilder and you can Lorem lpsum 307 boatplans/jon-boat/homemade-wooden-jon-boat-yoga homemade wooden jon boat yoga slap an iterator in between steps 1 and 2 Iterate Feature Selection is likely upsgream way to go to go through the entire list of Areas of Interest.

Improve this answer. Curran P. Curran 3 3 silver badges 14 14 bronze badges. Sign up or log in Sign up using Google. Sign up using Upstream and downstream river network. Sign up using Email and Password.

Post as a guest Name. Email Required, but never shown. The Overflow Blog. Level Up: Creative coding with p5. Featured on Meta. Stack Overflow for Teams is now downstrezm for up to 50 users, forever. Related Hot Network Questions. Question feed. Accept all cookies Customize settings.

Please edit your original question to include the new information, so that it will be more obvious. RivEX provides a suite of tools for measuring distances between points along a river network. According to the Pfafstetter system, watersheds are divided into 3 types - basins, interbasins, and internal basins. The Downstream column contains the code of the downstream watershed for each watershed in the database, or it contains a negative code. Also im not quit comfortable with programming. Such knowledge is obtainable with the ArcGIS network analysis tool.
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