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GIS-Tranplan Interface

GIS-Tranplan Interface. Sponsored by: Iowa DOT Project Team Members: Jerry Shadewald Richard Storm. Transportation Modeling History. 1950’s Traditional Four Step Modeling Process 1960’s and 1970’s Main Frame Computers 1980’s Personal Computers using Tranplan 1990’s

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GIS-Tranplan Interface

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  1. GIS-Tranplan Interface Sponsored by: Iowa DOT Project Team Members: Jerry Shadewald Richard Storm

  2. Transportation Modeling History • 1950’s • Traditional Four Step Modeling Process • 1960’s and 1970’s • Main Frame Computers • 1980’s • Personal Computers using Tranplan • 1990’s • Geographic Information Systems (GIS)

  3. Tranplan and ArcView • Tranplan • Familiarity with Program. • State-wide License in Iowa. • Proven Performance. • ArcView • Selected as Main Focus of Project Team • Premier GIS Package on Market Today • Required of MPO’s by TAZ-UP.

  4. Previous Interfaces • FORTRAN Based DOS Inputs • Rigid Requirements • No Help Options • Input Errors “Crashed” Program

  5. Current Interface • Visual Basic Based Windows Inputs • User-Friendly Forms • Tool-Tip Help Screens • Automatic Error Sensing and Reporting

  6. Building a Network • Create a Tranplan Network • Nodes, Links Coordinates • Create a New Network • Trace Network over Aerials in ArcView • Netcard Splitter • Use Tranplan Binary File • Edit Network

  7. ArcView Operating The Interface • Pull-Down Menus Added

  8. Tranplan Network Use Formatted Nodes and Links Files to Create an ArcView Network. Creating A Tranplan Network

  9. Create A New Network • New Network • Trace an aerial in ArcView to Create Formatted Nodes and Links Files.

  10. Tranplan Network In ArcView

  11. Tranplan Control Files • Automated Tranplan Control File Creation. • Standard Network Builder • Runs the Build Highway Network Module

  12. Tranplan Control Files • Default Module Builder • Optional Control File to Complete Modeling Process. • Instructs Tranplan to Create All Required Files for Analysis Tools. • User-Created Control File

  13. Adding Tranplan Output • Tranplan is Executed by the Interface. • Netcard is Opened. • Output is Added to the Network.

  14. Tranplan Output in ArcView • Loaded Link Volumes and Centroid Values

  15. Calibration And Analysis Tools • Calibration Plot • Ratio between Loaded and Counted Volumes • Colored According to Ratio • Sized by Loaded Volume

  16. Calibration And Analysis Tools • Screen/Cut/Cordon Line

  17. Calibration And Analysis Tools • Select Link Analysis • Select Link Tree • Select Link Origins • Select Link Destinations • Select Link O/D Ratio

  18. Select Link Tree

  19. Select Link O/D Ratio

  20. Calibration And Analysis Tools • Shortest Path Finder • User Selects Two Centroids in ArcView

  21. Calibration And Analysis Tools • Origin to Destination Desire Line • User Selects Two Centroids in ArcView • Loaded Volume Between Points is Displayed.

  22. Calibration And Analysis Tools • Turning Movement Display • User Selects up to Ten Nodes.

  23. Continuing Research • Scenario Analysis • Buffer Volume Difference • Turning Movement Comparison • STEAM

  24. Continuing Research • Subarea Analysis using CORSIM • Statistical Analysis of Tranplan output

  25. Advantages Visualize Data Novice Tranplan Users Calibration and Analysis Tools Built-in Debugging Data in GIS Environment Disadvantages Requires More Software Packages Less Hands-On with Data and Network “Black Box” Conclusions

  26. Questions And Comments • Please Feel Free to Ask Questions Concerning the Interface. • For More Information, See the Web at: http://www.ctre.iastate.edu/Projects/tp_is/ Enhance/web/ • E-mail • Shadew@iastate.edu • Rstorm@iastate.edu

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