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revision 1.138 by jvk, Sat Feb 15 20:01:09 2003 UTC revision 1.139 by tjl, Sat Feb 15 20:23:51 2003 UTC
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1  =========================================================================================  =====================================================================================================
2  Buoys, break lines, and unique backgrounds for non-disruptive bidirectional spatial links  Buoys, break lines, and unique backgrounds: techniques for non-disruptive bidirectional spatial links
3  =========================================================================================  =====================================================================================================
4    
5  .. Issues  .. Issues
6     ======     ======
# Line 87  in a document. *Break lines* make Line 87  in a document. *Break lines* make
87  fragments look like torn-off pieces of the link targets.  fragments look like torn-off pieces of the link targets.
88  *Unique backgrounds* for documents allow users to recognize  *Unique backgrounds* for documents allow users to recognize
89  the a fragment's source.  the a fragment's source.
90    Using a *nadir* for orienting the buoys makes
91  - *Nadir* rotations make different buoys visually distinct.  them visually distinct
 - buoy geometry based on projective line pencils  
   
 We use directed but bidirectional links to retain the left-right  
 relationships between nodes.  
   
 The individual nodes use fisheye  
92    
93  The user interface techniques have been made possible  The user interface techniques have been made possible
94  by the features of modern graphics accelerators, including  by the features of modern graphics accelerators, including
95  texture mapping and texture shading.  texture mapping and texture shading.
96    
97  As an example, we show screenshots of our hypertext bibliography-cum-review  As an example, we show screenshots of a prototype for allowing
98  of some recent hypertext and graphics articles.  structured user annotations between PDF files.
   
99    
100  Introduction  Introduction
101  ============  ============

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