QGIS ACCESSIBILITY plugin

Transport accessibility computations for the users of public transport and private car

License & Copying

Workshop Modules

• 1. Workshop Conventions
  • 1.1. Directions
  • 1.2. Files, tables, and fields
  • 1.3. Menus
  • 1.4. Dialog form controls
  • 1.5. Notes
• 2. Introduction
  • 2.1. What is it all about?
  • 2.2. Accessibility Calculator accounts for every component of a trip
  • 2.3. The Algorithms employed in Accessibility Calculator
  • 2.4. The data necessary for accessibility computations
  • 2.5. The menu of Accessibility Calculator
  • 2.6. Data Preprocessing
  • 2.7. Prepare Databases
  • 2.8. TO-, FROM-, and ROUNDTRIP-accessibility
  • 2.9. Service Area versus Cumulative Number of Opportunities
  • 2.10. Adjustment of the trip’s start or arrival time to the transit timetable
  • 2.11. Car speed for accessibility computation
  • 2.12. Comparison of accessibility maps obtained in different scenarios
  • 2.13. Visualization of accessibility computations and lower-resolution computations
  • 2.14. Format of input data and outputs of the computations
• 3. Installation
• 4. Data preprocessing
  • 4.1. Cleaning road network layer
  • 4.2. Cleaning the layer of buildings foundations
• 5. Prepare databases
  • 5.1. Add lines to GTFS
  • 5.2. Delete lines from GTFS
  • 5.3. Building a database for transit accessibility computations
  • 5.4. Building database for car accessibility computation
  • 5.5. Preparing layers for visualization and lower-resolution computation
• 6. Transit accessibility computations
  • 6.1. Transit Service area, fixed arrival/departure time
    • 6.1.1. Accessibility TO facility – parameters and computation execution
    • 6.1.2. Accessibility TO destinations – the log file and the structure of the report
    • 6.1.3. Accessibility FROM facilities, fixed-time departure
    • 6.1.4. Roundtrip accessibility, fixed-time departure
  • 6.2. Service area for schedule-based arrival/departure time
  • 6.3. Cumulative number of accessible opportunities, fixed arrival/departure time
    • 6.3.1. Cumulative number of TO-opportunities - parameters and computation execution
    • 6.3.2. Cumulative number of TO-opportunities - the structure of the report
    • 6.3.3. Cumulative number of FROM- and ROUNDTRIP-opportunities, fixed-time departure
    • 6.3.4. Cumulative number opportunities for schedule-based arrival/departure
• 7. Car accessibility computations
  • 7.1. Car service area maps – parameters and computation execution
  • 7.2. Car service area - report file
  • 7.3. Car accessibility FROM facilities
  • 7.4. ROUNDTRIP Accessibility
  • 7.5. Cumulative number of opportunities accessible by car
• 8. Compare accessibility maps
• 9. Visualization of accessibility maps
  • 9.1. The style of presentation
  • 9.2. Visualization of results of comparison between accessibility maps
• 10. Assessing the effect of a new Light Rail Transit line in the Tel-Aviv Metropolitan Area
  • 10.1. Data arrangements
  • 10.2. Data preprocessing
  • 10.3. Preparing TAMA databases
  • 10.4. Transit accessibility, service area maps
    • 10.4.1. Transit accessibility, fixed-time arrival/departure
    • 10.4.2. Transit accessibility, schedule-based arrival/departure time
    • 10.4.3. CAR accessibility
  • 10.5. Cumulative number of opportunities accessible with public transport
  • 10.6. Compare accessibility maps
    • 10.6.1. Compare service area maps
    • 10.6.2. Compare fixed-time and schedule-based accessibility
    • 10.6.3. Compare cumulative number of opportunities maps
• 11. Tutorial datasets
• 12. Glossary
• 13. License
• 14. Contact US