tangibilities.

Tuesday, October 05, 2004

premiering a hands-on approach to film editing

met with dick and peter this afternoon [over ramen, coffee, and strong magnets] and discussed ideas for the first tangible project. the assignment: to design a TUI using something related to graspable objects and hands-on materiality. we hope to use computational power to augment a task in a meaningful, expressive way. pushing for a video demo for next week's class.

initial inspiration sparked from idea about how to manage high numbers of objects [akin to sorting hundreds of lego blocks by color, etc]. most projects we've seen have dealt with objects of few number [on the order of less than 10, even 100], and hadn't fully tackled the idea of manipulating manifold pieces of data. we wanted to harness the power of two-handed quick finger actions on a multi-item scale of intricate organization.

conversation veered to theater / film / arts applications, and honed onto film editing. for a small-scale project with a couple clips to work with, a regular GUI seems sufficient, but software tends to get unwieldy with larger-scale projects with a sheer amount of small clips to rearrange, edit, and preview. therefore, our TUI will use small handy two-headed blocks to represent each clip; projected onto the block are the first and the last frames of the clip.

[insert model here]

we formed a quick mockup using steel nuts and tiny magnets to hold them together. the magnets had a large enough field that two pairs of 'clips' could be joined by a 'transition nut' without an additional magnet.

to view frames within a clip, you could stretch the two ends out, and the contents would be displayed within the endpoints.

[insert picture here]

because each block is small, easily identifiable, and snap together [oh so satisfyingly], a tangible interface is ideal for quickly sorting out and manipulating a film sequence.

more ideas: you could layer [in the other dimension] audio tracks, or overlay multiple clips. to compare parallel clips, you could have a nut signifying 'choice', in which you could quickly preview and decide which clip to choose from the parallel contenders.

[insert model here]

on the side of the table, there would be 'function' areas where one could delete, duplicate, or archive a clip. the task would be completed by merely scanning the clip over the area. the internal data would be updated accordingly.

on the surface or on a screen, there could be a preview window where, if the user tapped the table or signified through some input, the movie could play. more nuts signifying start and end placed on the sequence of clips could define what frames the user would want to preview.

to implement the demo video, the current approach is to spraypaint the nuts with matte black paint for the tracking software. materials: camera, projector, table, and lots of nuts [or thick washers] with magnets.

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