SBM11: Sketch Based Interfaces and Modeling 2011
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Browsing SBM11: Sketch Based Interfaces and Modeling 2011 by Subject "Categories and Subject Descriptors (according to ACM CCS): User Interfaces [I.3.6]: Interaction techniques"
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Item Combining bimanual manipulation and pen-based inputfor 3D modelling(The Eurographics Association, 2011) Lopes, Pedro; Mendes, Daniel; Araújo, Bruno; Jorge, Joaquim A.; Tracy Hammond and Andy NealenMultitouch enabled surfaces can bring advantages to modelling scenarios, in particular if bimanual and pen input can be combined. In this work, we assess the suitability of multitouch interfaces to 3D sketching tasks. We developed a multitouch enabled version of ShapeShop, whereby bimanual gestures allow users to explorethe canvas through camera operations while using a pen to sketch. This provides a comfortable setting familiar to most users. Our contribution focuses on comparing the combined approach (bimanual and pen) to the penonly interface for similar tasks. We conducted the evaluation helped by ten sketching experts who exercised both techniques. Results show that our approach both simplifies workflow and lowers task times, when compared to thepen-only interface, which is what most current sketching applications provide.