Changelog

Version 19.1 - released March 12, 2019

New Features:

  • Network
    • Support detailed link geometries.
    • Visualize free-speed travel times in network, originating from a node
    • Visualize shortest paths in network, originating from a node
    • Support for node and link attributes in Networks (network_v2.dtd)
  • Facilities
    • Support for attributes in Facilities (facilities_v1.dtd)
  • Shapefiles
    • Shapefiles Layer can load additional attributes
  • Vehicles
    • Trip Travel Time Histogram for vehicles

Improvements:

  • Network
    • Show more details in network-route query result
    • better support for multiple dynamic link attributes in networks
    • When styling links in a network, attribute values from either from- or to-node can be used as well.
    • Nodes are made available as data source for (OD-)Aggregation layers.
  • (OD-)Aggregation
    • Improved Speed of (OD-)Aggregation (especially to Shapes) and reduced memory-consumption of OD-Aggregation
    • OD-Aggregation now uses considerably less memory.
    • Exporting the aggregated data based on a ShapeFile supports using shape-attributes as zone-ids.
  • XY Plotter
    • better support xy datasets where some rows are missing the coordinate values
  • Shapefiles
    • improved visual appearance of shapes files (reduce jagged borders)
    • Shapes Layer uses less memory.
  • Public Transport
    • Transit Stops and Transit Lines can now be queried using wildcards (‘*’, ‘?’)
  • Vehicles
    • Navigate from a vehicle’s plan to the driver’s plan.
    • Vehicles Layer uses much less memory and loads a bit faster
  • UI
    • easily add new licenses by dragging them onto Via, just like adding a network or events file.
  • Scripting
    • WebMap Layer is now scriptable.
    • MetaData-Import and -Export is now scriptable.
  • General:
    • Saving data to a via-file takes less time and creates smaller files.

Bug Fixes:

  • some minor ui-bugfixes
  • Querying the number of persons waiting at a transit stop showed a too high number.
  • Fix exceptions when visualizing very large XY datasets (e.g. 100 million points or more).
  • Fix problem removing Vehicles layer.
  • Fixed some cases where stopping a script resulted in Via being unresponsive afterwards sometimes.
  • Fixed issue where OD-Aggregation of vehicle trips would not work.

New Features:

  • Support for dynamic link attributes by loading NetworkChangeEvents

Version 1.8.3 - released October 15, 2018

New Features:

  • Support for dynamic link attributes by loading NetworkChangeEvents

Improvements:

  • Reduce memory consumption of large OD Aggregations with millions of OD-relations
  • Improve speed of OD Aggregation
  • Improve ScaleBar overlay, so it should be more suitable for geographic applications
  • Transit Stop Query now also shows Arrivals, not only Departures
  • Agents transferring at a transit stop can be collected into an Agent Group for further analysis
  • Text-Encoding can be adjusted when loading Shape Files
  • Text-Encoding can be adjusted when loading data for XY Layer
  • several minor UI improvements

Bug Fixes:

  • Fix a problem saving/loading household-data in via-files
  • Fix functionality in “Create Id Set from Vehicle Ids”
  • Layer “Transit Vehicles at Stop Locations” had problems displaying vehicles when the stops were on loop-links
  • Attributes (like link and node attributes, others) could not be managed on some Linux distributions
  • Shape Labels did not show up when the shape files was shown on top of a WebMap
  • Symbols of CarCounts layer were not correctly shown on top of a WebMap in certain cases
  • Transit Stops couldn’t be queried if stops were aggregated to Stop Areas
  • Data could not be exported from “Transfers at Stop” analysis
  • Times in LinkEmissions-Analysis shifted by some hours in the chart when compared to the data table, depending on local time-zone.

Version 1.8.2 - released April 10, 2018

  • New: Support for time-dependent custom attributes, e.g. custom link attributes
  • New: Support MATSim Households, visualize and query them, provide household attributes to persons
  • New: show agent and vehicle attributes when querying them
  • Improved: “Go To Time” and “Set Speed” now preselect existing time/speed values for easier overwriting
  • Improved: Much faster aggregation of transit vehicles’ passenger counts to links
  • Improved: Improved performance of aggregation of points to Shapes
  • Improved: Show progress when aggregating large point sets in Aggregator and OD Aggregator
  • Improved: XY Plotter provides legend entries for lines and areas
  • Bugfix: Preferences are correctly stored on Windows
  • Bugfix: Custom attributes for links and nodes were not saved in via-files
  • Various other bugfixes (parsing of very large times formatted as HH:MM:SS, cannot add dataset using Ctrl+D, saving WebMap layers in via-files, …)

Version 1.8.1 - released February 20, 2018

  • First release by Simunto
  • New: Text labels of points in the XY plotter can be positioned (left/center/right, top/middle/bottom)
  • New: initial support for loading MATSim’s upcoming transitSchedule_v2 files
  • New ruler functionality to measure distances
  • New: Transit Stops show their attributes (like name, coordinates) in their query panel
  • New: Script-Editor offers Search/Replace functionality
  • Improved: Support and examples to export transit analysis by scripting
  • Restored functionality that got missing in version 1.8.0, e.g. to list the passengers of a transit vehicle
  • UI improvements, especially on Windows
  • Various bugfixes (loading shape files, showing teleported legs, …)

Earlier versions

All versions listed below were released by Senozon.

Limited support for these versions is provided by Simunto. In general, only the latest version of Via receives full support.

Version 1.8.0 - released August 30, 2017

  • Agents vs. Vehicles: Via now fully distinguishes between Agents and Vehicles
  • Heavily improved Attributes management
  • Visualization improvements, e.g. zoom-dependent labels, teleported legs, varying vehicle sizes
  • Aggregate Vehicles to Links
  • Support for displaying Lines and Areas, even animated, with the XY Plotter
  • Improved Map Backgrounds
  • Improved Movie Recorder: New encoding format (Apple ProRes), improved MP4 encoding
  • a lot of other, minor improvements and additions

Version 1.7.1 - released October 28, 2016

  • Compatibility with new file formats for network and population in the upcoming MATSim 0.9.0 release
  • several bug fixes

Version 1.7.0 - released June 6, 2016

  • Compatibility with upcoming MATSim 0.8.0 release
  • Node attributes, node labels
  • Vehicle labels
  • Facility labels
  • Custom Symbols for XY Plotter
  • New Emissions Plugin for analyzing Emissions calculated by MATSim’s Emission extension
  • Faster saving and loading of via-files
  • Improved WebMap visualizations
  • ID Sets based on filter expressions
  • Vehicle Occupancy for all vehicles

Version 1.6.1 - released January 8, 2016

  • several bug fixes
  • scripting improvements

Version 1.6.0 - released October 26, 2015

  • Intersection Flows
  • Improved Network visualization: Link Labels, Transparencies
  • Network Router
  • Time-Dependent (OD) Aggregator
  • Transit Stop Areas, improved Transit Stop Query
  • Presets
  • XY-Layer: Voronoi region as style
  • Scripting
  • Legend
  • Link Volume chart of single links
  • Faster visualization of large Facilities and XY data sets
  • Export movies as animated GIF

Version 1.5.1 - release March 31, 2015

  • several bug fixes related to opening via-files

Version 1.5.0 – released January 30, 2015

  • Web Map Layer
  • Select Facility Analysis
  • Meta Data Manager: Export/Import Styles and Views
  • Network Difference Layer
  • Background Images
  • Rotate Maps
  • Major memory optimizations for XY Layer, Aggregator, OD Aggregator

Version 1.4.5 – released October 20, 2014

  • Only released for Mac OS X
  • Bugfixes for running Via on Mac OS X Yosemite (10.10)

Version 1.4.3 – released November 05, 2013

  • some Bug fixes

Version 1.4.2 – released October 25, 2013

  • Some events changed in MATSim recently (attributes made optional, or renamed). This version restores compatibility for parsing such new event files.
  • Bugfix: recording more than 100k screenshots started overwriting some screenshots as the numbers in the filename were limited to 5 characters.
  • Feature: Links and Nodes can now be searched for with wildcards.

Version 1.4.1 – released September 19, 2013

  • fixed two bugs related to loading *.via-files

Version 1.4.0 – released September 18, 2013

  • Improved GUI: queries are now always accessible
  • Layer Styles: save and load typical settings for your layers
  • Improved Queries: access many query features with a simple right-click
  • Agent Attributes: load arbitrary attributes for your agents and visualize them
  • Transit Trips: visualize non-car trips of agents (requires Transit plugin)
  • Transit Analysis: the Transit plugin provides many additional analyses
  • Histogram: setting up color scales has never been easier
  • many other small improvements

Version 1.3.0 – released January 21, 2013

  • automatically create layers when adding data files
  • Improved queries
  • more file formats for XY layer
  • improved network handling
  • new plugin: aggregation analysis
  • uses much less CPU-power, thus longer battery life on laptops
  • many other small improvements

Version 1.2.0 – released July 11, 2012

  • Support for facilities
  • Vastly enhanced functionality for XY plotter
  • Memory improvements, most notably for big networks
  • Improved many queries, e.g. Selected Link Analysis, Link and Node identification, and others
  • Faster movie and screenshot recording (part of MovieRecorder plugin)
  • Several GUI improvements, making the application much more user friendly

Version 1.1.1 – released March 06, 2012

  • Support for MATSim 0.4.0 (release Spring 2012). MATSim generates additional events, which could confuse some transit-related analyses included in via, leading to error messages.

Version 1.1.0 – released Januar 20, 2012

  • Memory improvements: loading large scenarios now uses conciderably less memory
  • Network visualization: The network can use several attributes (not only allowed transport modes) to color the links in a network, or to visualize links with different weights based on the attribute values.
  • New Layer: Link volume differences: allows to compare two scenarios and analyze the differences in link volumes between them.
  • Additional keyboard short cuts for more efficient working.
  • Many small improvements to the User Interface
  • Car Counts (plugin): Highly improved analysis features. Can now exclude single counting stations from the analysis.
  • Movie Creator (plugin): Emprove video encoding so video files should be viewable in more players.

Version 1.0.0 – released July 27, 2011

  • initial version