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Geomedia For StreetSaver-GIS Integration LRS, Dynseg, and the case for using Geomedia to integrate asset data PowerPoint Presentation
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Geomedia For StreetSaver-GIS Integration LRS, Dynseg, and the case for using Geomedia to integrate asset data . Adam Lodge Geospatial Systems Developer Farallon Geographics September, 2009. Full Disclosure: about Farallon . System developers/integrators with emphasis in GIS

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Geomedia For StreetSaver-GIS IntegrationLRS, Dynseg, and the case for usingGeomedia to integrate asset data

Adam Lodge

Geospatial Systems Developer

Farallon Geographics

September, 2009

full disclosure about farallon
Full Disclosure: about Farallon
  • System developers/integrators with emphasis in GIS
  • Vendor-agnostic approach to technical solutions.
    • Competent in multitude of technical platforms.
  • Strength with Intergraph Geospatial Solutions
  • Client list includes:
    • Government (all levels), NGO’s, Commercial

www.fargeo.com

what is streetsaver
What is StreetSaver?

“StreetSaver® v.9 is a tool helping cities and counties make informed, and timely, decisions about their pavements - preventing problems through judicious maintenance, and diagnosing and repairing problems that exist in a cost-effective manner.”

  • Inventories pavement sections
  • Evaluates “pavement condition” (PCI)
  • Recommends pavement treatment projects that optimize overall PCI within user-defined budget

www.fargeo.com

what is streetsaver cont
What is StreetSaver? cont…
  • Desktop application, accessed over the web with remote desktop (more about that later).
  • Includes a built-in GIS module designed to operate in isolation from a City’s enterprise GIS.

www.fargeo.com

the basic problem
The Basic Problem
  • StreetSaver is natively non-spatial
  • Street segment definitions never match up between StreetSaver and a City’s native GIS
  • There is no joining field between the two systems

www.fargeo.com

slide6

4

3.2

1.8

Hwy 6

1

The Solution:

Linear Referencing

www.fargeo.com

slide7

N

E

4.1

0.9

1.8

3.2

Linear Referencing

Geographic Referencing

Linear Referencing

  • Datum: NAD83 (for example)
  • Datum: Linear Features, Road Name & Measurement Attributes

  • Geocoding: Creating GIS features from tabular data with coordinates
  • Dynamic Segmentation: Creating GIS features from tabular data with road names and measures

www.fargeo.com

slide8

Importance of LRS/Dynamic Segmentation

  • Minimizes GIS data management -
    • no need to duplicate and re-segment street geometry
  • Allows ‘event’ measure data to reside in the appropriate system - PMS
  • Use the LRS to Integrate data from other systems –
    • CMMS (streets, signs, sidewalks), ADT, speed limits, bike routes, accidents, …anything that can be referenced against a street

www.fargeo.com

slide9

Geomedia Integration Workflow

1 of 2

  • Add Route identifier to street centerlines
    • Generally based on street name
    • Use StreetID from StreetSaver at Cities, use Road Number at Counties
  • LRS-enable street centerline network using Transportation Manager
    • East to West, South to North – Standards based
    • Manually calibrate tricky segments (loops, dual carriage-ways) using Interactive LRS Calibration

www.fargeo.com

geomedia integration workflow 2 of 2
Geomedia Integration Workflow 2 of 2
  • Develop Pavement Event Data
    • Create point features for each beginning and end locations of each section where possible:
      • Intersections
      • Addresses (using geocoding)
      • Offsets from known locations, etc…
      • Get creative
    • Convert “geographic” points to “LRS measures” using Transportation Manager “LRS Conversion Tool”
    • Generate measure values manually using a geomedia ‘inbox’

www.fargeo.com

questions discussion
Questions? Discussion?

Thank You!

Adam Lodge

Farallon Geographics, Inc.

415 227 1140

www.fargeo.com

alodge@fargeo.com

www.fargeo.com