PK_BOX_t   

struct PK_BOX_s
    {
    double coord[6];
    };
typedef struct PK_BOX_s PK_BOX_t;



This structure represents a rectangular box aligned with the world coordinate
axes.

Used in:

PK_BODY_enlarge_o_t
PK_CURVE_find_box
PK_CURVE_intersect_curve_o_t
PK_FACE_intersect_face_o_t
PK_FACE_intersect_surf_o_t
PK_GEOM_enlarge_o_t
PK_LATTICE_find_box_r_t
PK_LTOPOL_ask_box_r_t
PK_MESH_create_from_facets_o_t
PK_MTOPOL_ask_box
PK_NABOX_sf_t
PK_PARTITION_is_clone_o_t
PK_SKEWBOX_sf_t
PK_SURF_create_blend_o_t
PK_SURF_extend_o_t
PK_SURF_find_box
PK_SURF_intersect_curve_o_t
PK_SURF_intersect_surf_o_t
PK_TOPOL_find_box
PK_TOPOL_find_box_2_r_t


The components are as follows:

    `coord[0]'   minimum X
    `coord[1]'   minimum Y
    `coord[2]'   minimum Z
    `coord[3]'   maximum X
    `coord[4]'   maximum Y
    `coord[5]'   maximum Z