Utsp virtual lab (desktop version)
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The document outlines the development of an open platform for Urban Transportation System Planning (UTSP) aimed at providing practical learning and user-friendly interaction with various transportation models. It discusses the objectives, scope of work, and technology selection involved in creating the UTSP Virtual Lab, including comparisons with existing transportation planning software. Future work includes documenting experiments, enhancing interface robustness, and incorporating user feedback.
Utsp virtual lab (desktop version)
- 1. Urban Transportation System Planning (UTSP) Virtual Lab (Desktop version) Debabrata Tripathy debabratatripathy@iitb.ac.in Transportation Systems Engineering, Department of Civil Engineering, Indian Institute of Technology, Bombay September 27, 2012
- 2. Outline • Objective • Scope of work • The four-stage model • Other Existing Transportation Planning Software’s • Technology Selection • Tutorial of UTSP Virtual Lab • Future Works 2 / 25
- 3. Objective To develop an open platform for Urban Transportation System Planning (UTSP) through which individuals can practically learn as well as add the various models such as classic four stage, activity-based, discrete choice, dynamic traffic assignment etc. involved in UTSP in an informative and user friendly way. 3 / 25
- 4. Scope of work • Understanding the various concepts involved in UTSP. • Going through the work-flow of other transportation planning softwares like CUBE, Aimsun, PTV Visum, TRANSIMS, TRACKS and DynusT. • Analysing and coding the various concepts pertaining to various stages of Four Stage Model (FSM). • Better user interaction and graphical representation allowing users to add their own concepts and understand them visually. • Hypothetical data preparation for the experiments. 4 / 25
- 5. The four stage model Base Year . Zone network Forecasting Year Data storage Land use allocation Trip generation Zonal trip ends Travel Survey, Model split zone network Trip Ends By Mode Distribution OD Volume By Mode Assignment Route Assignment By Mode Evaluation 5 / 25
- 6. The classic four stage model(Contd.) Trip Generation • Convert land use allocation data to trip table (PA matrix) • Regression Analysis, Category Analysis Mode split • • 6 / 25
- 7. The classic four stage model(Contd.) Trip Distribution • convert trip table to OD matrix • Growth Factor Model, Furness Method, Gravity model Trip Assignment • Assign OD matrix to link (Router) • All or Nothing (AON) Assignment, User Equilibrium Assignment, System Optimal assignment,Stochastic User Equilibrium 7 / 25
- 8. Other Existing Transportation Planning Softwares Aim • To understand the work-flow and methodology being used in other transportation planning software available and incorporating their best practices into the UTSP virtual lab platform. 8 / 25
- 9. CUBE 9 / 25
- 10. Aimsun 10 / 25
- 11. PTV Visum 11 / 25
- 12. TRANSIMS 12 / 25
- 13. TRACKS 13 / 25
- 14. DynusT 14 / 25
- 15. Basic work flow of existing Transportation Planning Softwares User Interface • Visualisation of project structure • Table/matrix visualiser • chart visualiser • GIS visualisation for network data Data format • csv/excel format • GIS data • Application specific data format similar to csv 15 / 25
- 16. Basic work flow of existing Transportation Planning Softwares • script engine to automate the set of task • various converter for communication with transportation s/w • help system • support extension to add individual to add their own module. 16 / 25
- 17. UTSP Virtual Lab Interface 17 / 25
- 18. UTSP Virtual Lab Interface 18 / 25
- 19. Technology Selection User perspective • It should employ a user-friendly GUI (Graphical User Interface.) • It should be easily extendible (for adding model) and maintainable. • It should be designed for wider distribution over various computational platforms. • It should come along with a help/tutorial system which can explain concepts in a user friendly manner. 19 / 25
- 20. Technology Selection(Contd.) Developer perspective • The selected framework should well established in the technology industry as well as built in User interface management (e.g. menus and tool bars), Window management, Storage management (saving and loading any kind of data), Wizard framework, Modular Architecture, Remote deployment features. • To easily integrate 3rd party application • A good IDE with an efficient build system, a graphical debugger and GUI designer tool kit. 20 / 25
- 21. Technology Selection(Contd.) Selected Platform • Programming Language: Java • Application Framework: Java standard Library, Netbeans API • IDE: Netbeans 21 / 25
- 22. Tutorial of UTSP Virtual Lab Hands on Experience . 22 / 25
- 23. Future Works • Documenting the operational manual for the implemented experiments. • checking the robustness of the interface to handle real world data. • Adding GIS package and script engine to the interface. • Receiving feedback from students for improving the experiment. 23 / 25
- 24. Questions & Comments . 24 / 25
- 25. Thank You! . 25 / 25