Researchers at the University of Montreal have developed techniques that enable computer cursors to interact in 3D in single or multiuser, local or remote collaboration scenarios.
This isn’t a gimmicky rebirth of the cursor, it’s about rethinking how humans interact with computers as part of the creative process,” Dorta said.
The system, unveiled today at the SIGGRAPH 2015 Conference in Los Angeles, is not so much about turning Word into an IMAX experience as offering designers an opportunity to navigate through and modify their creations manipulating 3D objects with 3D interactions. “Our new technology challenges the notion of what a cursor is and does,” explained lead researcher Professor Tomás Dorta, of the university’s School of Design. “The cursor becomes a drawing and controlling plane”. The techniques we’re unveiling today involves using a tablet to control the cursor, but as it does not necessarily rely on external tracking of the user’s movements, eventually other devices could be used, such as smart phones or watches.”
What does control plane mean? “We use a Butterfly-net analogy to explain how the cursor selects objects in space – the users simply sweep the 3D cursors through,” Dorta said. “For the manipulations of objects, the users can use gestures and movements such as pinching and tilting.” The cursor is in fact being demonstrated within the researchers’ Hyve-3D design system, a full scale immersive 3D environment that enables users to create drawings on hand-held tablets, which can then be manipulated on the tablets to create a 3D design within the space. As the designers are immersed in their work, for example designing a living room, they can test different furniture options according to the scale and even work on the interior detailing. The immersive images are the result of an optical illusion created by a high-resolution projector, a specially designed 5m-diameter spherically concave fabric screen and a dome mirror projecting the image onto the screen. Specialized techniques render the 3D scene onto a spherical projection in real-time.
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