Visual immersive haptic rendering on the web
VRCAI '08 Proceedings of The 7th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and Its Applications in Industry
Function-based haptic collaboration in X3D
Proceedings of the 14th International Conference on 3D Web Technology
Interactive surface-guided segmentation of brain MRI data
Computers in Biology and Medicine
A framework for visual and haptic collaboration in shared virtual spaces
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part III
Six degree-of-freedom haptic rendering for biomolecular docking
Transactions on computational science XII
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We seek to further expand the collaborative potential of shared virtual spaces by using haptic force-feedback. We propose how to define tangible physical properties of the objects, together with their geometry and appearance, by using mathematical functions. We illustrate this concept by developing software which allows us to touch and feel surfaces of VRML and X3D objects, convert them to solid objects, as well as create any other solid objects using the function-based extension of VRML and X3D. We define geometry, appearance and tangible physical properties of the solid objects by implicit, explicit and parametric functions straight in the VRML/X3D code or in loadable libraries. Since the function-defined models are small in size, it is possible to perform their collaborative interactive modifications with concurrent synchronous visualization at each client computer with any required level of detail. We illustrate the proposed models with several application examples.