PK_LTOPOL_t   

struct PK_LTOPOL_s
    {
    PK_LATTICE_t lattice;    --- lattice to which ltopol belongs
    int          ltopol;     --- identifier of lattice topol within 'lattice'
    };
typedef struct PK_LTOPOL_s PK_LTOPOL_t;



This type represents an element of lattice topology.

Used in:

PK_clip_lattice_r_t
PK_LBALL_t
PK_LROD_t
PK_LTOPOL_ask_box
PK_LTOPOL_ask_class
PK_LTOPOL_is


A lattice topology element is of one of the types:
 - PK_LBALL_t:  a lattice ball
 - PK_LROD_t:   a lattice rod