AHGW:Assign HydroID GW

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Assign HydroID GW dialog

The Assign HydroID Table tool is accessed by double-clicking on "ArcGIS Tool icon.png Assign HydroID GW" under the "ArcGIS Toolset icon.png Groundwater Analyst" toolset under the "ArcGIS Toolbox icon.png Arc Hydro Groundwater Tools" toolbox.

The following fields are available. Required fields are marked with a ArcGIS required - green circle icon.png icon.

  • ArcGIS required - green circle icon.png Input UniqueID Table – Select from the drop-down the UniqueID table containing the last HydroID value in use.
  • ArcGIS required - green circle icon.png Input Features to Assign HydroID – Select from the drop-down the feature where this tool will assign the new HydroID values.
  • ArcGIS required - green circle icon.png HydroID Field of Input Features – Select from the drop-down the field on the features containing the HydroID values. "HydroID" is normally selected here, but another field can also be used, based on your data model.
  • Overwrite Existing HydroID Values – Optional field. This determines whether or not features with existing HydroID values will have a new HydroID assigned, or whether the current value will remain unchanged.
    • Turn this on to assign a new HydroID value, even if they already have a HydroID value.
    • Turn this off to only assign a HydroID to features that do not currently have a HydroID assigned.