Motion Capture

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317437528_89eac85d20.jpg Paula Verdino

WorleyWorks uses a 21 camera PhaseSpace optical motion capture system. The system is capable of simultaneous 2 person capture and is based in Brooklyn, NY. The system tracks each marker uniquely eliminating marker swapping, captures at 120 frames per second and has the ability to track and record fingers.

While the camera system is usually at home in our studio, it's completely capable of going on location, and since the markers are LEDs, they operate in most daylight conditions. Additionally, the red, visible markers can be swapped out with infrared LEDs.

Contents

Work Flow

2352259797_251e238002_o.gif PhaseSpace Master

Master collects XY information from each camera and solves for marker position in XYZ. This solution is provided up to 480 Hz, though we are usually solving at 120 Hz. Master can record session takes and save them as .RPD files and as .C3D files. .RPD files are native PhaseSpace Master files and contain all of the raw data. The C3D format is a public domain, binary file format and preserves the marker data. It is supported by almost all 3D Motion Capture System manufacturers, as well as other companies in the Bio-mechanics, Motion Capture and Animation Industries.

Live marker data or prerecorded .RPD files can stream from Master into MotionBuilder using a plug-in.

2352284371_95e7681c40_o.gif Autodesk Motion Builder

Marker Data streams from MotionMaster to MotionBuilder live or from previously recorded performances. In MotionBuilder the markers are applied to an intermediate skeleton known as an Actor. The actor is used to organize all of the individual marker movement into a constrained skeleton system.

Exporting

The following companies support the MotionBuilder FBX file format:

3DE, 3DSite, @Last Software, Agence Darwin, Apple QuickTime, Ascension Technology Corporation, Attitude Studio, Autodesk, A&G, Soluzioni Digitali, Big Bear Entertainment, Di-O-Matic, EI Technology Group, Eovia, eyeon Software, Hexagram, Maxon, Midway, Motek, NaturalMotion, NewTek, Noitaminanimation, NXN, Okino, QEDsoft, SideFX Houdini, Softimage, Strata, TurboSquid, VirSys, Inc., Wings3D

Additionally, Motion Builder Imports and exports: Biovision (.BVH), Acclaim (.ASF/.AMC) and Motion Analysis (.HTR) skeletal data formats and Motion Analysis (.TRC) or Vicon (.C3D) motion capture data formats.

More

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Pratt students building individual projects.

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Minah dancing in the studio.

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