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Web-based Visualization of Transportation Networks
for Mobility Analytics
Alexander Schoedon1, Matthias Trapp1, Hennig Hollburg2, Daniel Gerber2, Jürgen Döllner1
1Hasso Plattner Institute, Faculty of Digital Engineering, University of Potsdam, Germany
2Targomo GmbH, Berlin
The 12th International Symposium on Visual Information Communication and Interaction (VINCI 2019)
20 -22 September 2019 ●East China Normal University ●Shanghai ●China
Context: Mobility Analytics
Mobility:
“Mobility describes the ability of people and
goods to move around an area, and in doing so to
access the essential facilities, communities and
other destinations that are required to support a
decent quality of life and a buoyant economy.
Mobility incorporates the transport infrastructure
and services that facilitate these interactions.”
Source: Schneider Electric, "Urban Mobility in the Smart City Age"
Service-based Mobility Analytics:
§Data-driven approach (data analysis and interpretation)
§Core component for visual analytic systems
§Allows for real-time queries and visualization
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Browser-based Reachability Map Visualization
Origin of Reachability Maps
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§“Isochronic Passage Chart”
§Francis Galton, 1881
§World travel-time in days
§Starting point: London, UK
§Color-coded isochrones
§Royal Geographical Society, UK
Types of Reachability Maps
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Isochrone-based Reachability Map Network-based Reachability Map
Network-based Reachability Maps
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Example:
Places that can be reached
from a single starting point
within 120min by walking
Network-based Reachability Maps
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Example:
Places that can be reached
from a single starting point
within 120min by public
transit
Web-based Visualization Technique
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Web-based Visualization Technique
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Web-based Visualization Technique
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Web-based Visualization Technique
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Screen-cast of
interactive
web-based
visualization
technique
Comparison of Transportation Modalities
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Walking Cycling
Car Driving Public Transport
Data Analysis Operations
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Union Operator Intersection Operator Average Operator
Case Study | Business Location Finder
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reachable fast food
restaurants within
120 min travel time
using the car
modality and union
data operator
(overview)
Case Study | Business Location Finder
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reachable fast food
restaurants within
35 min travel time
using the car
modality and the
union operator
(zoomed)
Case Study | Spare-time Activity Planning
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planned bicycle journey with
120min average travel time
between points-of-interests
(overview)
Case Study | Spare-time Activity Planning
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planned bicycle journey with
120min average travel time
between points-of-interests
(zoomed)
Case Study | Property Market Analysis
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intersecting areas
at 60min for two
destination nodes
used as indicator
for property
locations
(overview)
Case Study | Property Market Analysis
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intersecting areas
at 45min for two
destination nodes
used as indicator
for property
locations
(zoomed)
Wrap Up
§Technique for web-based visualization of reachability maps for mobility analytics
§Enables client-side spatial and spatial-temporal data analysis tasks
§Separation of network and routing data increases interactivity
§Technique not limited to line features and networks
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