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Open AccessArticle10.2312/localchapterevents/tpcg/tpcg07/037-044

MTCut: GPU-based Marching Tetra Cuts

Eva Monclús,Isabel Navazo,Pere‐Pau Vázquez-2007-01-01-TPCG
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TL;DRAbstract

Isosurface construction and rendering based on tetrahedral grids has been adequately implemented on programmable graphics hardware. In this paper we present MTCut: a volume cutting algorithm that is able to cut isosurfaces obtained by a Marching Tetrahedra algorithm on volume data. It does not require a tetrahedal representation and runs in real time for complex meshes of up to 1.8M triangles. Our algorithm takes as input the isosurface to be cut, and produces the cut geometry in response to the user interaction with a haptic device. The result is a watertight manifold model that can be interactively recovered back to CPU upon user request.

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Isosurface construction and rendering based on tetrahedral grids has been adequately implemented on programmable graphics hardware. In this paper we present MTCut: a volume cutting algorithm that is able to cut isosurfaces obtained by a Marching Tetrahedra algorithm on volume data. It does not require a tetrahedal representation and runs in real time for complex meshes of up to 1.8M triangles. Our algorithm takes as input the isosurface to be cut, and produces the cut geometry in response to the user interaction with a haptic device. The result is a watertight manifold model that can be interactively recovered back to CPU upon user request.

Keywords

IsosurfaceMarching cubesComputer scienceComputer graphics (images)TetrahedronRendering (computer graphics)Graphics hardwarePolygon mesh

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