Precision Pointing for Ultra-High-Resolution Wall Displays
نویسندگان
چکیده
Ultra-high-resolution wall displays have proven useful for displaying large quantities of information, but lack appropriate interaction techniques to manipulate the data efficiently. We explore the limits of existing modeless remote pointing techniques, originally designed for lower resolution displays, and show that they do not support high-precision pointing on such walls. We then consider techniques that combine a coarse positioning mode to approach the target’s area with a precise pointing mode for acquiring the target. We compare both new and existing techniques through a controlled experiment, and find that techniques combining ray casting with relative positioning or angular movements enable the selection of targets as small as 4 millimeters while standing 2 meters away from the display. Key-words: pointing, large display, ultra-high resolution, dual-mode ∗ e-mail: [email protected] † e-mail:[email protected] ‡ e-mail:[email protected] in ria -0 05 95 04 6, v er si on 2 26 M ay 2 01 1 Precision Pointing for Ultra-High-Resolution Wall Displays Résumé : Les murs d’images à très haute résolution permettent d’afficher de grands jeux de données, mais les techniques d’interaction permettant de manipuler ces données sont encore insuffisantes. Nous explorons les limites des techniques de pointage à distance existantes, originellement destinées à des surfaces d’affichage de résolution plus faibles, et montrons qu’elles ne passent pas à l’échelle. Nous étudions ensuite des techniques qui combinent un mode rapide, pour approcher rapidement de la cible, et un mode précis pour acquérir la cible. Nous comparons cette approche et les techniques existantes dans une expérience contrôlée : la combinaison de "ray-casting" (lancer de rayon) et d’une technique relative basée sur la position ou la rotation permet à un utilisateur se tenant à deux mètres de la surface d’affichage de sélectionner des cibles de 4 millimètres. Mots-clés : pointing, large display, ultra-high resolution, dual-mode in ria -0 05 95 04 6, v er si on 2 26 M ay 2 01 1 Precision Pointing for Ultra-High-Resolution Wall Displays 3
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