A comparison of ray pointing techniques for very large displays

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dc.contributor.authorJota, Ricardo
dc.contributor.authorNacenta, Miguel A.
dc.contributor.authorJorge, Joaquim A.
dc.contributor.authorCarpendale, Sheelagh
dc.contributor.authorGreenberg, Saul
dc.date.accessioned2015-07-31T21:18:38Z
dc.date.available2015-07-31T21:18:38Z
dc.date.issued2010
dc.description.abstractRay-pointing techniques are often advocated as a way for people to interact with very large displays from several meters away. We are interested in two factors that can affect ray pointing: the particular technique's control type, and parallax. Consequently, we tested four ray pointing variants on a wall display that covers a large part of the user's field of view. Tasks included horizontal and vertical targeting, and tracing. Our results show that (a) techniques based on 'rotational control' perform better for targeting tasks, and (b) techniques with low parallax are best for tracing tasks. We also show that a Fitts's law analysis based on angles (as opposed to linear distances) better approximates people's ray pointing performance.en_US
dc.description.refereedYesen_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/35537
dc.identifier.urihttp://hdl.handle.net/1880/50811
dc.publisherCanadian Information Processing Societyen_US
dc.publisher.urlhttp://dl.acm.org/citation.cfm?id=1839214.1839261en_US
dc.titleA comparison of ray pointing techniques for very large displaysen_US
dc.typeunknown
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