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By Heidi Lam, Tamara Munzner

ISBN-10: 1608455920

ISBN-13: 9781608455928

Exhibiting a number of degrees of information visually has been proposed to handle the problem of restricted display area. even supposing many prior empirical reports have addressed assorted features of this question, the knowledge visualization study neighborhood doesn't at present have a sincerely articulated consensus on how, while, or perhaps if showing info at a number of degrees is valuable. To shed extra mild in this advanced subject, we carried out a scientific evaluation of twenty-two latest multi-level interface reviews to extract high-level layout guidance. To facilitate dialogue, we forged our research findings right into a four-point choice tree: (1) while are multi-level screens helpful? (2) What should still the better visible degrees exhibit? (3) should still the several visible degrees be displayed at the same time, or one by one? (4) may still the visible degrees be embedded in one exhibit, or separated into a number of monitors? Our research led to 3 layout directions: (1) the variety of degrees in exhibit and knowledge may still fit; (2) excessive visible degrees should still basically show task-relevant info; (3) simultaneous show, instead of temporal switching, is appropriate for projects with multi-level solutions. desk of Contents: advent / Terminology / method / precis of reviews / selection 1: unmarried or Multi-level Interface? / choice 2: how one can Create the High-Level screens? / selection three: Simultaneous or Temporal monitors of the a number of visible degrees / choice four: how one can Spatially organize the visible degrees, Embedded or Separate? / boundaries of analysis / layout techniques / dialogue and destiny paintings

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However, when the task required detailed information only available on the low-level displays, as in their Navigation task where participants were required to read text on a web page, their temporal Two-level zoom interface did not demonstrate any benefits over their loLevel Panning interface, probably because of the high costs of switching typically found in temporal interfaces. Their embedded Fisheye interface did demonstrate benefits, however. Since we did not have enough information regarding how the embedded Fisheye interface was used by their study participants, we cannot further explain how their embedded interface supported the Navigation task.

FCScreen] studied map navigation, map path-finding, and verification using a loLevel, a temporal, and a embedded interface Baudisch et al. [2002]. The paper reported that some participants avoided continuously zooming in and out using the temporal interface by memorizing all the locations required in the task, and they answered the questions in a planned order. As a result, they could stay at a specific magnification without zooming back to the high-level view, thus effectively using the temporal interface as a loLevel interface.

2007]. 4. A PRIORI AUTOMATIC FILTERING MAY BE A DOUBLE-EDGED SWORD 29 navigation, the geographic map information provided by the high-level overviews may not have been sufficiently detailed for the study tasks, for example, to find a neighboring location given a starting point, to compare the location or size of two map objects, or to find the two largest map objects in a geographic boundary Hornbæk et al. [2002]. For the Washington-map trials, having an extra high-level overview had time and recall accuracy costs, suggesting the burden of “switching between the detail and the overview window required mental effort and time moving the mouse” (p.

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A Guide to Visual Multi-Level Interface Design from Synthesis of Empirical Study Evidence by Heidi Lam, Tamara Munzner

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