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UIST'19: ACM Symposium on User Interface Software and Technology
Session: Text

SpaceInk: Making Space for In-Context Annotations
Hugo Romat, Emmanuel Pietriga, Nathalie Henry-Riche, Ken Hinckley, Caroline Appert

When editing or reviewing a document, people directly overlay ink marks on content. For instance, they underline words, or circle elements in a fgure. These overlay marks often accompany in-context annotations in the form of handwritten footnotes and marginalia. People tend to put annotations close to the content that elicited them, but have to compose with the often-limited whitespace. We introduce SpaceInk, a design space of pen+touch techniques that make room for in-context annotations by dynamically refowing documents. We identify representative techniques in this design space, spanning both new ones and existing ones. We evaluate them in a user study, with results that inform the design of a prototype system. Our system lets users concentrate on capturing feeting thoughts, streamlining the overall annotation process by enabling the fuid inverleaving of space-making gestures with freeform ink.

DOI: https://doi.org/10.1145/3332165.3347934
Web: https://uist.acm.org/uist2019/