Hex-mesh simplification and optimization
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Robust Hexahedral Re-Meshing

This repository contains the meshing software developed as part of the publication

Robust Structure Simplification for Hex Re-meshing

Xifeng Gao, Daniele Panozzo, Wenping Wang, Zhigang Deng, Guoning Chen

In ACM Transactions on Graphics (Proceedings of SIGGRAPH ASIA 2017)


Compiling from scratch requires CMake and Visual Studio 2015 on Windows 10.

git clone --recursive https://github.com/gaoxifeng/Robust-Hexahedral-Re-Meshing.git

On Windows, open the generated file complex_simplification.sln after CMake compilation and proceed building as usual from within Visual Studio.


complex_simplification.exe c r b s f i

c--processing type. SIM represents simplification of the structure in the input mesh, OPT represents purely geometric optimization of the input mesh,

r-- a ratio of the resolution of the output divided by the resolution of the input, which controls the hex-element resolution of the output,

b--a base number for the optimization iteration, default value is 2,

s--the ratio of the to-be-removed blocks of the structure in the output divided by the number of blocks of the structure in the input,

f--denote that the input mesh contains sharp feature or not. 1 means yes, 0 means no,

i--the input (.vtk format only).

An example command for simplification: complex_simplification_SIM.exe SIM 1 2 1 0 ../../Db_data_movies/Octree/airplane1_input_tri_hexa

An example command for optimization: complex_simplification_SIM.exe OPT 1 2 1 0 ../../Db_data_movies/Octree/airplane1_input_tri_hexa