Interacting with Others

Shared ExperienceCollaborative Interaction Work together Competition

Shared Experience

The purpose of any communication medium is to share information and experiences with others.Movie and TV are often watched by a group.Many VR systems allow only one participant.Some VR systems allow additional viewers (e.g. the CAVE, figure 6-57)

What Can be Shared

IdeasVirtual World Sharing control View Interacting with the virtual world

Others Culture,Education,Emotion,etc.

Ways of Sharing

One immersed participant with onlookers (HMD + external monitors)Two(or more) immersed participantsOpen displayMultiperson cockpitThe primary participant leads others to tour around the virtual world

Collaborative Interaction

People need to work with othersTwo design engineers located hundreds of miles apart work in cyberspace.Car racing in the virtual worldGroup control (figure 6-60)

Communication among People

VisualAuralHaptic

Video teleconferencing equipmentAvatars (figure 6-61(a))

Video information texture mapped onto a box (figure 6-61(b))

Synchronous and Asynchronous Communication

Annotation Who, When, What, Documentation, etc. Visual, Aural, Haptic, etc. Information display

Floor Control (i.e. who has the right to talk or act)World Congruity Appear what you done

Interacting with VR System (Metacommands)

Commands that operate beneath the surface of the virtual world can be referred to as metacommandsLoad dataChange global parameters