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Roads? Where We’re Going, We Don’t Need Roads
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Roads? Where We’re Going, We Don’t Need Roads

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  • 1. CONNECT. TRANSFORM. AUTOMATE. Roads? Where we’re going we don’t need roads. Tim Downing Manager, gDC Development
  • 2. Agenda !  “Roads” in Western Canada !  The problems with roads !  Using FME to remove roads !  Testing the process
  • 3. CONNECT. TRANSFORM. AUTOMATE. Getting ready for 2015
  • 4. Western Canada DLS Grid !  ~1,500,000 km2 (or about 10 Englands) !  ~10,000,000 polygons
  • 5. Western Canada DLS Grid
  • 6. Defintion: “Road Allowance” !  20m or 30m separation between sections !  Surveyed sections from 1871 to 1880 all have road allowances !  Surveyed sections after 1881 reduced by half the number of East/West road allowances !  Not all road allowances have a constructed road
  • 7. The Problem With Roads
  • 8. How To Eliminate Roads !  Cross the South and West Road Allowances
  • 9. !  Snap vertices South !  Snap vertices West
  • 10. Back and Forth Numbering
  • 11. Correction Lines
  • 12. Correction Lines
  • 13. Meridian Lines
  • 14. The Workspace
  • 15. Back and Forth Numbering
  • 16. Correction Lines
  • 17. Feature Path
  • 18. First Pass !  Meridian lines with variable distances and problems !  Known areas missing grid !  Holes caused by misaligned vertices !  Decision to use summer students to correct holes
  • 19. How to validate manual work? Use FME!
  • 20. Great Scott! Holes Everywhere!
  • 21. Multi-Step Process !  Add Sliver Remover to main workspace !  Re-evaluate whole process and split into sections for performance
  • 22. Coordinate Rounder
  • 23. Roads are gone
  • 24. Summary !  Western Canada road allowances !  The difficulties of removing road allowances !  Using FME to remove roads !  Testing the result !  Fixing the process
  • 25. Ready for 2015
  • 26. Thank You! !  Questions? !  For more information: !  Tim Downing – tdowning@geologic.com !  geoLOGIC systems ltd CONNECT. TRANSFORM. AUTOMATE.

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