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revision 1.102 by tjl, Mon Mar 31 15:22:57 2003 UTC revision 1.103 by tjl, Mon Mar 31 15:31:46 2003 UTC
# Line 180  have similar appearances. Line 180  have similar appearances.
180    
181  In this article, we introduce the use of procedurally generated unique backgrounds  In this article, we introduce the use of procedurally generated unique backgrounds
182  as a visualization of document identity: if each document has  as a visualization of document identity: if each document has
183  a different, easily distinguishable background texture, the user can become aware of the identity  a different, easily distinguishable background texture,
184  of a displayed item at a glance, without explicitly reading the title.  the user can become aware of the identity
185  The user can even become aware of the identity just by seeing  of a displayed item at a glance,
186  any {\em fragment} of the item, instead of the title page. This property is vital  just by seeing
187    any {\em fragment} of the item,
188    without explicitly reading the title which might not even be visible.
189    This property is vital
190  for our example application discussed in Section~\ref{secbuoyoing} and is in fact  for our example application discussed in Section~\ref{secbuoyoing} and is in fact
191  one of the prime motivators for this work.  one of the prime motivators for this work.
192    
# Line 207  one of the prime motivators for this wor Line 210  one of the prime motivators for this wor
210    
211  In the following sections,  In the following sections,
212  we first review related work on texturing.  we first review related work on texturing.
213  Next, we discuss the motivating example for this work:  Next, we discuss the example user interface
 the BuoyOING focus+context  
214  user interface to a hypertext structure.  user interface to a hypertext structure.
215  Then, we formulate general principles for designing  Then, we formulate general principles for designing
216  recognizable backgrounds, based on texture and image perception literature,  recognizable backgrounds\iftechreport, based on texture and image perception literature,\fi
217  and present a hardware-accelerated implementation.  and present our hardware-accelerated implementation.
218  Following this, we discuss enhancing text readability on such backgrounds  Following this, we discuss enhancing text readability on such backgrounds
219  and practical experiences and conclude.  and practical experiences and conclude.
220  %Finally, we show an example application of unique backgrounds  %Finally, we show an example application of unique backgrounds
# Line 484  interest (focus) magnified Line 486  interest (focus) magnified
486  and the structurally connected but further-away  and the structurally connected but further-away
487  elements peripherally, with less magnification.  elements peripherally, with less magnification.
488  Much of the work on focus+context views has  Much of the work on focus+context views has
489  concentrated on tree structures\cite{lamping96hyperbolic,fc-images},  concentrated on tree structures\iftechreport\cite{lamping96hyperbolic,fc-images},\fi
490  or flat 2D images or maps\cite{fc-taxonomy}.  or flat 2D images or maps\iftechreport\cite{fc-taxonomy}\fi.
491    
492  The motivating example for unique backgrounds is  The motivating example for unique backgrounds is
493  the BuoyOING (Buoy-Oriented Interface, Next Generation (i.e. our version 2))  the BuoyOING (Buoy-Oriented Interface, Next Generation\iftechreport (i.e. our version 2)\fi)
494  user interface, a focus+context interface for navigating  user interface, a focus+context interface for navigating
495  hypertext. BuoyOING is a logical step from the earlier work  hypertext. BuoyOING is a logical step from the earlier work
496  on Fluid Links\cite{zellweger98fluid} and hypercept animations\cite{milgram99hypercept}.  on Fluid Links\cite{zellweger98fluid} and hypercept animations\cite{milgram99hypercept}.

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