Function-based haptic collaboration in X3D

ABSTRACT

We seek to further expand X3D by augmenting it with function-based definitions of geometry, appearance and tangible physical properties. Besides using alone, the introduced nodes can augment and enrich the standard X3D shapes by function-defined geometry, appearance and tangible physical properties. These new virtual objects can be explored haptically with various desktop force-feedback devices. We also propose a general visual and haptic collaborative framework for using it with X3D. We implement it as new pilot versions of BS Collaborate server and BS Contact VRML/X3D viewer. In our collaborative framework, two pipelines---visual and haptic---complement each other to provide a simple and efficient solution to problems requiring collaboration in shared virtual spaces on the web.

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INDEX TERMS

Primary Classification:
  I. Computing Methodologies
  I.3 COMPUTER GRAPHICS
      I.3.5 Computational Geometry and Object Modeling
          Subjects: Curve, surface, solid, and object representations

Additional Classification:
  I. Computing Methodologies
  I.3 COMPUTER GRAPHICS
      I.3.5 Computational Geometry and Object Modeling
          Subjects: Physically based modeling

Keywords:
3D web visualization, X3D, collaborative platform, function-based shape modeling, haptic interaction, implicit functions, parametric functions, physical properties