The Lives of Ancestors

Lokugé, Chandani

doi:10.1080/1369801x.2019.1659165

Cited by 1 publication

(1 citation statement)

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“…Meanwhile, a number of different focus+context techniques have been established, though a generally accepted systematization is still missing [16,6,4]. However, Lokuge and Ishizaki applied these techniques to geographic data by developing an interactive map system that reacts on user queries [13]. It manipulates typography, transparency and color to alter the appearance of geographical elements due to the interest of the user.…”

Section: Focus+context For Map Visualizationmentioning

confidence: 99%

Lens-based Focus+Context Visualization Techniques for Interactive Exploration of Web-based Reachability Maps

Listemann¹,

Trapp²,

Doellner³

2019

JWSCG

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Reachability maps are powerful means to help making location-based decisions, such as choosing convenient sites for subsidiaries or planning vacation trips. Existing visualization approaches, however, introduce drawbacks concerning an effective acquisition of relevant information and an efficient data processing. In this paper, we introduce the first approach known so far to apply focus+context techniques to web-based reachability maps. We therefore propose a real-time enabled combination of an isochrone-based and a network-based representation of travel times obtained from multi-modal routing analysis using interactive lenses. We furthermore present a GPUaccelerated image-based method to compute isochrones based on a travel time-attributed network on client-side and thus achieve reduced data transmission efforts while yielding isochrones of higher precision, compared to generalized geometry-based approaches.

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Section: Focus+context For Map Visualizationmentioning

confidence: 99%