Via 19.1

Via 19.1 comes with a new numbering scheme: Having already used minor version updates in the last year to introduce new features to Via, we want to do away with major and minor versions, but use the current year (2019) as the version number and just count the number of releases in that year. Thus, Via 19.1 is the first release in 2019. This underlines our plan to bring new functionality to Via not only once per year, but much more often. We’ve started with this behaviour last year by including new functionality in Via versions 1.8.1, 1.8.2 and 1.8.3 and plan to continue with this in the future.

Via 19.1 brings the following new and improved features:

  • Network
    • Links now support detailed geometry instead of just straight lines between from- and to-node.
    • Node and Link attributes from MATSim’s latest network format network_v2.dtd are now supported.
    • Free-speed travel times originating from a node can be calculated and visualized.
    • Shortest path from a node can be calculated and visualized.
    • Using node-attributes when styling links is now possible by using attributes from a link’s from- or to-node.
  • Facilities
    • Attributes included in facility files are now supported.
  • Shape files
    • It is now possible to load additional attributes, e.g. from CSV, to a shape file.
    • Loaded shape files now also use less memory and are displayed with less visual artefacts.
  • Vehicles
    • Trip Travel Time Histogram is available for vehicles.
    • Visualizing large number of vehicles requires now much less memory than in earlier versions, potentially allowing you to visualize larger scenarios.
  • Public Transport
    • Transit stops and transit lines can now be queried with wildcards (’*’, ’?’).
  • (OD-)Aggregation
    • Once more, we were able to improve the speed of (OD-)Aggregation, especially again when aggregating into shapes, while at the same time requiring considerably less memory.
    • When exporting aggregation-data based on shapes, one can now select a shape-attribute to identify the aggregation zones.
  • Scripting
    • Made it possible to control WebMap Layer and MetaData Import/Export by scripts.
  • General
    • Saving data to via-files takes less time and creates smaller files.