Michael Grant
Download
1 / 29

Building Tools to Meet Your Needs - PowerPoint PPT Presentation


  • 235 Views
  • Updated On :

Michael Grant South Coast British Columbia Transportation Authority (TransLink). Building Tools to Meet Your Needs . v. March 2008. Overview. Background TransLink, Planning Division Geocoding with FME Surveys, Processing, Outputs Shortest path calculating with FME

Related searches for Building Tools to Meet Your Needs

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Building Tools to Meet Your Needs' - HarrisCezar


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Slide1 l.jpg

Michael Grant

South Coast British Columbia Transportation Authority (TransLink)

Building Tools to Meet Your Needs

v

March 2008


Overview l.jpg
Overview

  • Background

    • TransLink, Planning Division

  • Geocoding with FME

    • Surveys, Processing, Outputs

  • Shortest path calculating with FME

    • Requirements, Methodology, Processing, Outputs

  • Spinoffs with FME

    • Accurate/Actual Distance Estimations, Offset Routes, Bezier Curves


Background l.jpg
Background

  • South Coast British Columbia Transportation Authority (SCBCTA, aka TransLink)

    • We plan, finance, implement and champion an integrated transportation system that moves people and goods safely and efficiently, supporting Metro Vancouver's regional growth strategy, air quality objectives and development.

  • Planning Division

    • Our main responsibilities revolve around strategic policy and planning, transit planning, project planning, road and infrastructure planning.


Geocoding surveys l.jpg
Geocoding & Surveys

  • Need

    • Marketing surveys, travel surveys, attitude surveys

  • Existing Software

    • Good and bad…

  • Development of standards

    • Improve quality, efficiency, and functionality

  • Benefits of FME

    • Control the process

    • Customize based on the data available

    • Customize the outputs


Geocoding obstacles l.jpg
Geocoding Obstacles

  • Varying sources of information

    • Postal Codes

    • Cross Streets

    • Shopping Centres

    • Places

    • Address

  • Naming conventions

    • “W 10th Ave” vs. “West 10th”

  • Log file

    • How many points matched? (od pairs, many points)

    • How usable is the data?

    • Where are the issues?





Geocoding example 1 l.jpg
Geocoding – example 1

Stats & post-process

  • Postal Codes

Pre-process

FeatureMerger


Geocoding example 2 l.jpg
Geocoding – example 2

Check address range

  • Address Matching

Point placement

Check even/odd

addressing

Match street,city

Stats &

post-process





Geocoding summary l.jpg
Geocoding Summary

  • Overview

    • Input (information, formats)

    • Processing (information types)

    • Output (deliverables)

  • Applicable / Adaptable

    • Origin – Destination

    • Simple addressing

      (college locations)



What to start with l.jpg
What to Start With?

  • Network

    • Road network (or other)

  • Unique segment ID’s

  • Directionality

    • Segment geometry

    • Travel movement

  • Turning restrictions

  • Other cost information (numerous sources)


Turn travel tables l.jpg
Turn / Travel Tables

  • Turntable

    • The turn table contains the cost for turning or moving from one segment to another.

  • Traveltable

    • The travel table contains the cost for traveling along the entire length of a segment.


Basic reasoning l.jpg
Basic Reasoning

  • How does movement along a network translate to tables?


Table relationship l.jpg
Table Relationship

  • Traveltable

  • Turntable


Location and direction l.jpg
Location and Direction

  • Where are you starting and where are you ending?

    • Intersections vs. Midsections

  • Which Line

  • Which End

  • How Far Along

Starting

Ending


Input list features 1 l.jpg
Input List Features (1)

  • How to set up a feature with the information to calculate.




Compare euclidean vs manhattan l.jpg
CompareEuclidean vs. Manhattan


Shortest path summary l.jpg
Shortest Path Summary

  • Requirements

    • Network

  • Tables

    • Traveltable

    • Turntable

  • Processing

  • Outputs

  • Applicable / Adaptable

    • Origin – Destination

    • Accurate/Actual Distance Estimations, Offset Routes, Bezier Curves


Accurate actual distance estimations l.jpg
Accurate/Actual Distance Estimations

  • Bus Stop Distance Estimator




Thank you l.jpg
Thank You

Questions?

Michael Grant

Transportation Planning Analyst

TransLink

[email protected]


ad