ComputeSurface (
        data,
        tetrahedra,
        bias=0.5,
        )

Compute Surface using Marching Tetrahedra Bias 0 is toward Molecule 1

UnpackIntersurfData ( atoms_A,  atoms_B )

Unpack Intersurf data from atom lists

ComputeTetrahedralization ( data )

Compute Delaunay Tetrahedralization

GetAtomList (
        target,
        prune=None,
        pruneDist=30,
        )

Unpack atom lists from Chimera molecules/chains