VIRTUAL REALITY IN ROBOTICS PART-3 Wikitechy

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Grouping Nodes Anchor Billboard Collision Group Inline LOD Switch Transform

Geometry Nodes Box Cone Cylinder ElevationGrid Extrusion IndexedFaceSet IndexedLineSet PointSet Sphere Text

Geometry Related Nodes Coordinate Color Normal TextureCoordinate Appearance Material ImageTexture PixelTexture MovieTexture TextureTransform

Lighting Nodes DirectionalLight PointLight SpotLight

Sensor Nodes Anchor Collision CylinderSensor PlaneSensor ProximitySensor SphereSensor TimeSensor TouchSensor VisibilitySensor

Interpolator Nodes ColorInterpolator CoordinateInterpolator NormalInterpolator OrientationInterpolator PositionInterpolator ScalarInterpolator Shared Fields eventIn SFFloat set_fraction exposedField MFFloat key [...] exposedField MF<type> keyValue [...] eventOut [S|M]F<type> value_changed

Other Nodes Script node Background Fog Sound AudioClip ViewPoint WorldIndo NavigationInfo

JAVA 3D Java 3D is a network-centric, scene graph-based API, that revolutionizes 3D graphics application development Benefits to end-users Application portability Hardware independence Performance scalability Rich set of 3D features High-level, Object-oriented paradigm Wide variety of file formats

Java 3D Architecture Independent asynchronous components Automatic rendering Behavior and sound scheduling Event generation (collision detection) Input device management Java 3D renderer chooses traversal order Neither left-to-right nor top-to-bottom Except spatially bounded attributes

Java 3D Scene Graph Hierarchy

VR Applications Education Crossing street Construct3D

Treatment of Acrophobia VR Application Treatment of Acrophobia

VR Applications Recreation

VR Application Design

VR Application Simulation Being 747 Flight Simulation

VR Application User Interface WNMS

VR Application Telepresence Telesurgery Augmented surgery TeleRobotics

Information Visualization VR Application Information Visualization Quick Sort Acetic Acid

VR Application Entertainment Virtual racing

VR Application Military

VR in medical Field

Practical skill development and caries treatment Accurate realistic 3D simulation of both manual dexterity and pathologic concepts. Proper haptics and realistic images. Realistic mental modeling, muscle memory, proprioceptive training. Integration of existing and present knowledge. This is the case, why are you going to do what and how are you going to do it? Realistic interaction with the virtual patient Simulation of space limitations (tongue, cheek) and patients perceptions.

Advantage of complete virtual imitation Integration of techniques and theory. Unlimited practicing in a safe and almost real-life situation. Time and partially space independent ( lap top work station). Level of skill can be easily adapted. Development from skills to competencies Saving of materials, equipment and staff.

Borders of the virtual dimensions Complete patient. Complete oral cavity. Dental arch(es) with soft tissue. Dental arch(es) only. Single tooth.

Stereo Projection Haptic feedback Course ware 3D models of real teeth

System borders selected for Simodont version I Realistic force feedback. Realistic imaging. resolution of 3D models. hardness and color of tissue structures. stereo imaging collocation of image and haptics . Dental arch(es) only.

Simodont Preclinic/lab Clinic Patients Simodont Clinic Patients Preclinic lab

Purpose of the study To investigate if students without any dental experience practicing at the Simodont will develop skills transferable to reality at a similar level as students practicing in the traditional preclinical setting

Experiment S (n=10) P (n=10) C (n=8) Day 1 test + practice (2x30) test

Design Students practice after an initial test their manual dexterity for handling a dental bur either on the Simodont or with a real bur on resin plates. Thereafter they perform a similar test on plastic blocks

Courseware Not finished tooth should be there 9/18/2018 36 36

Courseware Not finished tooth should be there 37

Courseware Not finished tooth should be there 38

Courseware Not finished tooth should be there 39

Conclusion VR introduces a new way of interacting with computers The best of VR is yet to come Web is very suitable for VR applications, but the proper technology is not yet there

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