Download - GIS-Tranplan Interface
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GIS-Tranplan Interface
Sponsored by: Iowa DOT
Project Team Members:
Jerry Shadewald
Richard Storm
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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)
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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.
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Previous Interfaces
• FORTRAN Based DOS Inputs– Rigid Requirements– No Help Options– Input Errors “Crashed” Program
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Current Interface
• Visual Basic Based Windows Inputs– User-Friendly Forms– Tool-Tip Help Screens– Automatic Error Sensing and Reporting
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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
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ArcView Operating The Interface
• Pull-Down Menus Added
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Creating A Tranplan Network
• Tranplan Network
– Use Formatted Nodes and Links Files to Create an ArcView Network.
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Create A New Network
• New Network
– Trace an aerial in ArcView to Create Formatted Nodes and Links Files.
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Tranplan Network In ArcView
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Tranplan Control Files
• Automated Tranplan Control File Creation.– Standard Network
Builder
– Runs the Build Highway Network Module
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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
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Adding Tranplan Output
• Tranplan is Executed by the Interface.
• Netcard is Opened.
• Output is Added to the Network.
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Tranplan Output in ArcView
• Loaded Link Volumes and Centroid Values
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Calibration And Analysis Tools
• Calibration Plot– Ratio between Loaded and Counted Volumes
– Colored According to Ratio
– Sized by Loaded Volume
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Calibration And Analysis Tools
• Screen/Cut/Cordon Line
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Calibration And Analysis Tools
• Select Link Analysis– Select Link Tree– Select Link Origins– Select Link Destinations– Select Link O/D Ratio
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Select Link Tree
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Select Link O/D Ratio
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Calibration And Analysis Tools
• Shortest Path Finder– User Selects Two Centroids in ArcView
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Calibration And Analysis Tools
• Origin to Destination Desire Line– User Selects Two Centroids in ArcView– Loaded Volume Between Points is Displayed.
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Calibration And Analysis Tools
• Turning Movement Display– User Selects up to Ten Nodes.
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Continuing Research
• Scenario Analysis– Buffer Volume
Difference– Turning Movement
Comparison– STEAM
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Continuing Research
• Subarea Analysis using CORSIM
• Statistical Analysis of Tranplan output
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Conclusions
• 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”
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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 – [email protected]– [email protected]