cleaver - sci.utah.edu · cleaver 2. o beta data manager adaptive-bcc-mesh volume .nrrd...
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Cleaver
A tetrahedral meshing tool.
Jonathan Bronson SCI Institute
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Multimaterial Volume
Conforming Tetrahedral
Mesh
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Input Representation
• Two material interfaces: o Isosurface: level set of a continuous scalar function in 3D
• Multi-material interfaces: o ??
• Indicator functions o One indicator function for each material o Scalar value indicates strength/contribution of material o Examples:
• Distance Transforms • Partial Mixture Models
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Input Format
Teem’s Nearly Rasterized Raw Data format (NRRD) • Seg3D Compatible • Human Readable Headers
h=p://teem.sourceforge.net/nrrd/index.html
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Output Formats
• Tetrahedral Meshes o TetGen format (*.node, *.ele) - ASCII o Matlab format (*.mat) - Binary
• Triangle Surface Meshes o PLY format – Stanford Triangle Format - ASCII
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Cleaver 1
h=p://www.sci.utah.edu/software/cleaver.html
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3rd Party Viewer
h=p://wias-‐‑berlin.de/software/tetgen/tetview.html
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Cleaver 2
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Generate Indicator
Functions
Compute
Sizing Field
Generate Mesh
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Cleaver 2
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