Reverse the normal of each face in the mesh.

   [V2, F2] = meshComplement(V, F)

   Example
     [v, f] = createOctahedron;
     meshVolume(v, f)
     ans =
         1.3333
     [v2, f2] = meshComplement(v, f);
     meshVolume(v2, f2)
     ans =
        -1.3333

   See also
     meshes3d, meshVolume

Package: matgeom