Integrated Time and Distance Line Cartogram: a Schematic Approach to Understand the Narrative of Movements

Menno-Jan Kraak, Barend Köbben, Yanlin Tong

http://dx.doi.org/10.14714/CP77.1234

Abstract


To understand the nature of movement data, we introduce an alternative visual representation looking at paths from different perspectives. The movements and their stops are schematized into lines. These are distorted based on time or distance by applying line cartogram principles to answer specific location- or time-based questions. A prototype consisting of multiple linked views, including the line cartograms and a map, is implemented in a web environment using D3.js. It allows one to explore the nature of single or multiple movements. The option to compare multiple movements gives the solution its unique character. A preliminary evaluation of the product shows it is able the answer questions related to time and space accordingly.

 


Keywords


movement data; timeline cartogram; distance line cartogram; schematized map; flow map; D3

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