The -hausd option controls the boundary approximation:

it impose the maximal distance between the piecewise linear representation of the boundary and the reconstructed ideal boundary. Thus, a low Hausdorff parameter leads to refine the high curvature areas.

By default, the Hausdorff value is set to 0.01, which is a suitable value for an object of size 1 in each direction. for smaller (resp. larger) objects, you may need to increase (resp. decrease) the Hausdorff parameter.

Note that you can impose different Hausdorff numbers over different boundary componants using a parameter file.

Example(s): mmg2d_adp1, mmgs_bdy1, mmgs_bdy2, mmg3d_ls1.

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