CONNECT. TRANSFORM. AUTOMATE.
Effective ESRI Geometric Network
Tracing with FME
Erika Jacobs, Avista Utilities
Effective ESRI Geometric Network
Tracing with FME
Established in 1889
355,000 Electric Customers
21,700 miles electric lin...
Effective ESRI Geometric Network
Tracing with FME
Problem
ESRI Networks can be
Slow to trace
Missing flow information
Inef...
Effective ESRI Geometric Network
Tracing with FME
Example
Find all customers downstream
of gas fittings
that must be repla...
Effective ESRI Geometric Network
Tracing with FME
Be selective
!  In this example
!  Service pipe only
!  Selected work ar...
Effective ESRI Geometric Network
Tracing with FME
!  Limit the attributes
CONNECT. TRANSFORM. AUTOMATE.
Effective ESRI Geometric Network
Tracing with FME
!  Create Isolation Points
CONNECT. TRANSFORM. AUTOMATE.
Effective ESRI Geometric Network
Tracing with FME
!  Prep the data
!  No complex edges
!  No self-intersects
!  Everything...
Effective ESRI Geometric Network
Tracing with FME
!  Create the Network
CONNECT. TRANSFORM. AUTOMATE.
Effective ESRI Geometric Network
Tracing with FME
!  Assign the Network_IDs to the tees using a
Point on Line Overlayer
CO...
Effective ESRI Geometric Network
Tracing with FME
!  Find Affected Downstream Meters
CONNECT. TRANSFORM. AUTOMATE.
Effective ESRI Geometric Network
Tracing with FME
Note the .5 ft gap
Pipe removed that
overlapped with
the .5ft buffered
t...
Effective ESRI Geometric Network
Tracing with FME
CONNECT. TRANSFORM. AUTOMATE.
Effective ESRI Geometric Network
Tracing with FME
Other Examples
!  Find Number of Meters
served by each Gas
Pressure Zone...
Effective ESRI Geometric Network
Tracing with FME
Tips and Tricks
!  For large datasets, run the Chopper and
NetworkTopolo...
Thank You!
!  Questions?
!  Suggested Improvements?
!  For more information:
!  Erika Jacobs
!  Avista Utilities
!  erika....
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Effective Esri Geometric Network Tracing with FME

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A look into the use of FME technology to mimic traces on Esri's geometric networks with efficiency and transparency, just by using the spatial coincidence of features.

See more presentations from the FME User Conference 2014 at: www.safe.com/fmeuc

Published in: Technology, Business
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Effective Esri Geometric Network Tracing with FME

  1. 1. CONNECT. TRANSFORM. AUTOMATE. Effective ESRI Geometric Network Tracing with FME Erika Jacobs, Avista Utilities
  2. 2. Effective ESRI Geometric Network Tracing with FME Established in 1889 355,000 Electric Customers 21,700 miles electric lines 314,000 Gas Customers 7,670 miles gas pipe 8 Hydro Facilities GIS users since 1992 FME users since 2004 CONNECT. TRANSFORM. AUTOMATE. Avista Utilities Overview Vancouver, BC
  3. 3. Effective ESRI Geometric Network Tracing with FME Problem ESRI Networks can be Slow to trace Missing flow information Inefficient for large-scale analysis Limited in their properties Solution FME’s Network Topology Calculator CONNECT. TRANSFORM. AUTOMATE.
  4. 4. Effective ESRI Geometric Network Tracing with FME Example Find all customers downstream of gas fittings that must be replaced and notify them of impending work. CONNECT. TRANSFORM. AUTOMATE.
  5. 5. Effective ESRI Geometric Network Tracing with FME Be selective !  In this example !  Service pipe only !  Selected work area polygons !  Filter by material and installation date CONNECT. TRANSFORM. AUTOMATE.
  6. 6. Effective ESRI Geometric Network Tracing with FME !  Limit the attributes CONNECT. TRANSFORM. AUTOMATE.
  7. 7. Effective ESRI Geometric Network Tracing with FME !  Create Isolation Points CONNECT. TRANSFORM. AUTOMATE.
  8. 8. Effective ESRI Geometric Network Tracing with FME !  Prep the data !  No complex edges !  No self-intersects !  Everything coincident CONNECT. TRANSFORM. AUTOMATE.
  9. 9. Effective ESRI Geometric Network Tracing with FME !  Create the Network CONNECT. TRANSFORM. AUTOMATE.
  10. 10. Effective ESRI Geometric Network Tracing with FME !  Assign the Network_IDs to the tees using a Point on Line Overlayer CONNECT. TRANSFORM. AUTOMATE.
  11. 11. Effective ESRI Geometric Network Tracing with FME !  Find Affected Downstream Meters CONNECT. TRANSFORM. AUTOMATE.
  12. 12. Effective ESRI Geometric Network Tracing with FME Note the .5 ft gap Pipe removed that overlapped with the .5ft buffered tee CONNECT. TRANSFORM. AUTOMATE.
  13. 13. Effective ESRI Geometric Network Tracing with FME CONNECT. TRANSFORM. AUTOMATE.
  14. 14. Effective ESRI Geometric Network Tracing with FME Other Examples !  Find Number of Meters served by each Gas Pressure Zone !  Find Emergency Shut-off Islands !  Network Health Checks !  Isolated Steel Pipe CONNECT. TRANSFORM. AUTOMATE.
  15. 15. Effective ESRI Geometric Network Tracing with FME Tips and Tricks !  For large datasets, run the Chopper and NetworkTopologyCalculator in separate workbenches !  Use original features and a FeatureMerger to replace the chopped segments and reduce feature count for additional operations !  Aggregator (by Network_ID) and ListSearcher to find related features once all the overlayers are done CONNECT. TRANSFORM. AUTOMATE.
  16. 16. Thank You! !  Questions? !  Suggested Improvements? !  For more information: !  Erika Jacobs !  Avista Utilities !  erika.jacobs@avistacorp.com CONNECT. TRANSFORM. AUTOMATE.

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