PK_MVERTEX_ask_normals

PK_ERROR_code_t                    PK_MVERTEX_ask_normals
(
--- received arguments ---
PK_MVERTEX_t                       mvertex,           --- the mvertex
const PK_MVERTEX_ask_normals_o_t  *options,           --- options structure

--- returned arguments ---
int                         *const n_normals,         --- number of normals
PK_VECTOR1_t               **const normals            --- the normals
)


This function returns all the unique normals of the given 'mvertex'.


The normals of an mvertex are as returned from PK_MFIN_ask_mvx_normal
for all of the mfins which point at that mvertex.  In the case of any
mfins having the same mvertex normal, that normal is only returned
once.