Marching cubes: A high resolution 3D surface construction algorithm
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
A haptic interaction method for volume visualization
Proceedings of the 7th conference on Visualization '96
Direct haptic rendering of isosurface by intermediate representation
VRST '00 Proceedings of the ACM symposium on Virtual reality software and technology
A Constraint-Based Technique for Haptic Volume Exploration
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Experiments of Haptic Perception Techniques for Computational Fluid Dynamics
CW '07 Proceedings of the 2007 International Conference on Cyberworlds
Direct haptic rendering for large data sets with high gradients
Proceedings of the 2008 Ambi-Sys workshop on Haptic user interfaces in ambient media systems
Interactive analysis of cavity-flows in a virtual environment
Proceedings of the 28th Spring Conference on Computer Graphics
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Our work proposes a haptic interaction technique for the rendering of isosurfaces. A virtual contact point is computed corresponding to the most suitable isovalue position in a 3D data grid. With this method we can freely explore and understand complex data fields without explicitly computing the geometry of the isosurface, nor having any intermediate representation. Thus, a very fast haptic rendering loop is easily obtainable. Moreover, our approach is flexible because the contact detection and force feedback computation are automatically adapted to take into account regions presenting high spatial frequency data as in the CFD case.