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Using the Utility Network Analyst with the National Hydrography Dataset

Indiana GIS Local Resolution NHD Applications for Surveyors ISPLS State Conference January 18, 2013. Using the Utility Network Analyst with the National Hydrography Dataset. Using Utility Network Analyst with NHD. NHD geodatabase network topology allows for analyzing waterflow

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Using the Utility Network Analyst with the National Hydrography Dataset

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  1. Indiana GIS Local Resolution NHD Applications for Surveyors ISPLS State Conference January 18, 2013 Using the Utility Network Analyst with the National Hydrography Dataset

  2. Using Utility Network Analyst with NHD • NHD geodatabase network topology allows for analyzing waterflow • Utility Network Analyst is Tool in ESRI ArcMap • ArcView (Basic) license, no extension required • Requires NHD geodatabase hydrography dataset, not just feature classes/vector graphics • Hydro_Net_Junctions • NHDFlowline

  3. Analyzing Water Flow with NHD Tools in the Utility Network Analyst Toolbar • Show Flow Direction • Determine common ancestors • Find connected flowlines • Trace downstream or upstream • Find path upstream or downstream • Find upstream accumulation

  4. Using Utility Network Analyst with NHD • Add data from the NHD geodatabase to the Map • Hydrography dataset HYDRO_NET • HYDRO_NET_Junctions • NHDFlowline • Add Other data as needed (not required)

  5. Using Utility Network Analyst with NHD

  6. Using Utility Network Analyst with NHD • Turn on the Utility Network Analyst Toolbar in ArcMap • Set Network to HYDRO_NET

  7. Using Utility Network Analyst with NHD High Resolution • Show Flow Direction • From Flow menu, select Display Arrows Local Resolution

  8. Using Utility Network Analyst with NHD • Trace downstream • Add edge flag • Choose task • Solve

  9. Using Utility Network Analyst with NHD • Find upstream accumulation • Add junction flag • Choose task • Solve

  10. Using Utility Network Analyst with NHD • Determine common ancestors • Add edge flags at two or more locations • Choose task • Solve

  11. Using Utility Network Analyst with NHD • Find connected flowlines • Add edge flag • Choose task • Solve

  12. HELP!!!!!!!! http://resources.arcgis.com/en/help/main/10.1/index.html#//002r00000028000000 http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//002r00000028000000.htm

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