[phenixbb] contour values for Polder and FEM

Hi all, What is the recommended values for contouring for Polder and FEM? In pymol, I have a isomesh polder_COA_mesh, polder_207_1, 3, select_COA, carve=2 isomesh FEM_COA, fem_coa_190, 1, select_COA, carve=2 Are these sensible values? Many thanks, Vero PS: Both identify ligand very well!