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revision 1.38 by tjl, Thu Mar 20 13:35:26 2003 UTC revision 1.39 by tjl, Thu Mar 20 14:13:49 2003 UTC
# Line 1059  XXX: http://www.opticsexpress.org/abstra Line 1059  XXX: http://www.opticsexpress.org/abstra
1059  %  subjective preference for text displays and empirical measures of their  %  subjective preference for text displays and empirical measures of their
1060  %  readability."  %  readability."
1061    
1062    TJL
1063    
1064  It can be argued that  It can be argued that
1065  the backgrounds clutter the display  the backgrounds clutter the display
1066  visually, making the user interface more confusing,  visually, making the user interface more confusing,
1067  and reduce text readability.  and reduce text readability.
1068    
1069  Indeed, one of the most difficult aspects of the work was making the random  Indeed, one of the most difficult aspects of the work was making the random
1070  color selection produce acceptable results.  color selection produce acceptable results.
1071  However, by tuning the color selection and the gamma  
1072  correction of the display, we were able to (in our opinion) avoid  Text readability on the generated backgrounds depends
 the above problems.  
 It is important that the colors chosen are light and that the palettes  
 have a relatively small range of colors.  
 Also, text readability on the generated backgrounds depends  
1073  strongly on the text scale; making it easy for the user to zoom  strongly on the text scale; making it easy for the user to zoom
1074  fluidly in and out helps.  fluidly in and out helps.
1075    
1076    In the current version, even small text is quite legible on the backgrounds.
1077    
1078  We have not tried to attain infinite zoomability\cite{furnas00infinity}  We have not tried to attain infinite zoomability\cite{furnas00infinity}
1079  with the current implementation,  with the current implementation,
1080  but only the more modest goal of zooming within a range  but only the more modest goal of zooming within a range
# Line 1104  the current system is quite satisfactory Line 1105  the current system is quite satisfactory
1105    
1106  % leads to aliasing: .... modeling textures mathematically , ...  % leads to aliasing: .... modeling textures mathematically , ...
1107    
 TJL  
   
1108  The most commonly asked question about this work concerns  The most commonly asked question about this work concerns
1109  text readability. We address this question in two different ways.  text readability. We address this question in two different ways.
1110    

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