1. U.S. Department of the Interior U.S. Geological Survey Populate Water Body/Area Com ID Tool National Hydrography Dataset By Elizabeth McCartney Reviewed by Carl Nelson Tested by Tim Hines, George Heleine, and David Anderson (Rolla NHD POC Team)

2. Overview Description Description Setup Setup Run Tool Run Tool Problem solving Problem solving

3. Description Populates the WBAreaComID field in NHDFlowline for Artificial Paths Populates the WBAreaComID field in NHDFlowline for Artificial Paths Use to assist in QA/QC process by identifying overlapping features Use to assist in QA/QC process by identifying overlapping features

4. Description cont. If an artificial path is associated with more than one NHDWaterbody or NHDArea feature: If an artificial path is associated with more than one NHDWaterbody or NHDArea feature: The artificial path ComID (NDHFlowline) is written to wbareacomid_probs tableThe artificial path ComID (NDHFlowline) is written to wbareacomid_probs table The ComID of the NHDWaterbody or NHDArea feature covering the largest proportion of the artificial path is transferred to the WBAreaComID field (NHDFlowline)The ComID of the NHDWaterbody or NHDArea feature covering the largest proportion of the artificial path is transferred to the WBAreaComID field (NHDFlowline) NHDArea feature types that MUST overlap other NHDArea or NHDWaterbody features are excluded from the set NHDArea feature types that MUST overlap other NHDArea or NHDWaterbody features are excluded from the set

5. Setup-Requriements Must have:Must have: python 2.4.1 python 2.4.1 pywin32- 210.win32- py2.4 pywin32- 210.win32- py2.4 ArcInfo Workstation ArcInfo Workstation Check Advanced Arc SettingsCheck Advanced Arc Settings C:\\ProgramFiles\ArcGIS\Utilities

6. Setup-Add Tool Create new folder on root drive (NHD_Tools_Toolbox) Create new folder on root drive (NHD_Tools_Toolbox) Unzip the NHD_tools.zip file into the new folder Unzip the NHD_tools.zip file into the new folder Open ArcMap>ArcToolbox Open ArcMap>ArcToolbox Right-Click in the Toolbox Right-Click in the Toolbox Browse to NHD_Tools_Toolbox and add NHD Tools Browse to NHD_Tools_Toolbox and add NHD Tools Right-Click on each tool to check source path Right-Click on each tool to check source path Properties>Source> (correct if necessary)Properties>Source> (correct if necessary) Right-Click in the Toolbox: Save Settings>to default Right-Click in the Toolbox: Save Settings>to default

7. Run Tool Start ArcMap with “A new empty map”

8. Run Tool-Open Tool Double-Click on populate_wb areacomid Tool Double-Click on populate_wb areacomid Tool

9. Run Tool-Input Geodatabase Click on drop-down folder and browse to input geodatabase Click on drop-down folder and browse to input geodatabase Then click “OK” Then click “OK”

10. Run Tool-In Process

11. Run Tool-NHDStatus Records

12. Run Tool-Completed

13. Error Checks Navigate to input geodatabase directory Navigate to input geodatabase directory Open Log File (populate_wbareacomid_log.txt) Open Log File (populate_wbareacomid_log.txt) Save Log File and rename Log File future reference Save Log File and rename Log File future reference Tue Sep 09 09:26:19 2008 Started nhdgct_populate_wbareacomid.py process. Wrote 267 NHDStatus records in D:\1-NGTOC\NHD\jpegs for powerpoints\LowerCoosaAL_NHD133402.mdb. 1 problem artificial path comids in D:\1-NGTOC\NHD\jpegs for powerpoints\LowerCoosaAL_NHD133402.mdb\wbareacomid _probs. Tue Sep 09 09:35:50 2008 nhdgct_populate_wbareacomid.py process completed.

14. Error Checks Open Input Geodatabase Open Input Geodatabase Review wbareacomid_probs file using “relate” with NHDFlowline Review wbareacomid_probs file using “relate” with NHDFlowline Adjust NHDStatus, NHDMetadata, and NDHFlowline files as needed Adjust NHDStatus, NHDMetadata, and NDHFlowline files as needed

15. Example Lake/Pond Artificial Path Stream/River Lake/Pond