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In information visualization and computing, GapChart is a chart for displaying time series data by using non overlapped thick curves. It was invented in 2013 by Fred. Vernier (LIMSI labs at Univ. Paris Sud) and Charles Perin (LIMSI labs at Univ. Paris Sud and AVIZ-INRIA). Jeremy Boy (AVIZ-INRIA) helped them to improve the original design to its current form. == Main idea == GapChart display one thick curve by time series data. At each time step curves display a flat part and a transition part. Flat parts are separated by gaps proportional to data difference. When two or more time series have same value at the same time step they are distinguished by an external method and represented side by side. Transition steps are represented by straight or S shaped link. They can partially overlap but never totally since star Labels can fit inside thick curves where i't not too steep and different colors ca be used to better distinguish elements. ---- comparison of GapChart with RankChart and SlopeGraph * GapChart can be compared to RankChart with additional space between curves to represent value difference behind the ranking * GapChart can be compared to SlopeGraph where curve thickness is removed from the layout and equal values are distinguished with an external method * GapChart can be compared to table of numbers which are commonly available for many rankings 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「GapChart」の詳細全文を読む スポンサード リンク
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