Relative Scrollbars
نویسنده
چکیده
This paper describes the concept of relative scrollbars. Simple scrollbars have been used for some time to distinguish a particular region in a linear data set. When two users of a cooperative editor are simultaneously working on the same file, each has a distinguished region corresponding to the part of the file which is displayed. Often what is most important is information on the position and amount of overlap of two regions. When the size of the distinguished regions is a small fraction (a few per cent) of the total region, ordinary scrollbars do not give an adequate representation of this information. We describe a new concept, that of relative scrollbars which expand the region of interest.
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