topic Determining flow direction in degrees in Ocean Science Questions https://community.esri.com/t5/ocean-science-questions/determining-flow-direction-in-degrees/m-p/869313#M38 <HTML><HEAD></HEAD><BODY><DIV>I have coastal current data out of a NetCDF file I've converted to points.&nbsp; For each point I have a North-south speed and an east-west speed with west and south being negative values from 0.</DIV><DIV>I've calculated the magnitude velocity of the water by creating two new columns which transformed everything into positive values and calculated the square root of the sum of both values.</DIV><DIV>I next need to figure out the heading in degrees...and I'm pretty much lost as to how to do this if anyone might be able to help me out?</DIV></BODY></HTML> Tue, 17 Apr 2018 15:09:38 GMT MatthewHyner 2018-04-17T15:09:38Z Determining flow direction in degrees https://community.esri.com/t5/ocean-science-questions/determining-flow-direction-in-degrees/m-p/869313#M38 <HTML><HEAD></HEAD><BODY><DIV>I have coastal current data out of a NetCDF file I've converted to points.&nbsp; For each point I have a North-south speed and an east-west speed with west and south being negative values from 0.</DIV><DIV>I've calculated the magnitude velocity of the water by creating two new columns which transformed everything into positive values and calculated the square root of the sum of both values.</DIV><DIV>I next need to figure out the heading in degrees...and I'm pretty much lost as to how to do this if anyone might be able to help me out?</DIV></BODY></HTML> Tue, 17 Apr 2018 15:09:38 GMT https://community.esri.com/t5/ocean-science-questions/determining-flow-direction-in-degrees/m-p/869313#M38 MatthewHyner 2018-04-17T15:09:38Z