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Different levels of 3D: An evaluation of visualized discrete spatiotemporal data in space-time cubes
Uppsala universitet, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Samhällsvetenskapliga fakulteten, Institutionen för informatik och media, Människa-datorinteraktion.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi, Människa-datorinteraktion.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Centrum för bildanalys. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi, Datoriserad bildanalys.
Uppsala universitet, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Samhällsvetenskapliga fakulteten, Institutionen för informatik och media, Människa-datorinteraktion.
2010 (engelsk)Inngår i: Information Visualization, ISSN 1473-8716, E-ISSN 1473-8724, Vol. 9, nr 2, s. 152-164Artikkel i tidsskrift (Fagfellevurdert) Published
sted, utgiver, år, opplag, sider
2010. Vol. 9, nr 2, s. 152-164
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-97388DOI: 10.1057/ivs.2009.8ISI: 000277756200005OAI: oai:DiVA.org:uu-97388DiVA, id: diva2:172320
Tilgjengelig fra: 2008-08-21 Laget: 2008-08-21 Sist oppdatert: 2018-01-13bibliografisk kontrollert
Inngår i avhandling
1. Visualizing Dynamics –The Perception of Spatiotemporal Data in 2D and 3D
Åpne denne publikasjonen i ny fane eller vindu >>Visualizing Dynamics –The Perception of Spatiotemporal Data in 2D and 3D
2008 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

In many command and control situations the understanding of dynamic events is crucial. With today’s development of hard- and software architecture, we have the possibility to visualize data in two-dimensional (2D) and three-dimensional (3D) images. The aim of this thesis is therefore to investigate different approaches to visualizing dynamic events. The visualization techniques investigated include 2D animation and time representations as markings on a 2D map. In 3D the visualization technique investigated is the “space time-cube” A further aim is to study whether the Cue Probability Learning (CPL) paradigm can be used to evaluate visualizations.

By mapping time onto a spatial dimension, in the 2D visualization as lines with different densities and in 3D as height over the map, a simultaneous visualization of space and time is possible. The findings are that this mapping of time onto space is beneficial to users as compared with animations, but the two mapping techniques are not interchangeable. If a task requires judgments of metric spatial properties, a 2D visualization is more beneficial; however, if the task only requires judgments of more qualitative aspects, a 3D visualization is more beneficial.

When we look at a 3D visualization, we utilize different sources of depth information. These sources are always present and each defines either a 3D scene or a projection surface. By using these different sources of depth information wisely, a visualization can be created that efficiently shows relevant information to a user while requiring a minimal amount of specialized hardware.

Finally, the CPL paradigm seems to be a worthwhile option as an experimental paradigm in visualization experiments. One of the advantages of CPL is that novice users can be trained to be task experts in a controlled and time-efficient way.

sted, utgiver, år, opplag, sider
Uppsala: Acta Universitatis Upsaliensis, 2008. s. 81
Serie
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Social Sciences, ISSN 1652-9030 ; 42
Emneord
Människa-dator-interaktion, Human-Computer Interaction, Information Visualization, Usability, 2D, 3D, Cue Probability Learning, Space-time Cub, Människa-dator-interaktion
Identifikatorer
urn:nbn:se:uu:diva-9142 (URN)978-91-554-7247-4 (ISBN)
Disputas
2008-09-12, Hörsal 2, Ekonomikum, Kyrkogårdsgatan 10, Uppsala, 13:15
Opponent
Veileder
Tilgjengelig fra: 2008-08-21 Laget: 2008-08-21 Sist oppdatert: 2011-01-13bibliografisk kontrollert

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