PK_SHELL_type_t   


typedef int PK_SHELL_type_t;


This datatype indicates the type of a shell.


One of these values:

   PK_SHELL_type_acorn_c           shell has a single acorn vertex
   PK_SHELL_type_wireframe_c       shell has one or more wireframe edges
   PK_SHELL_type_wireframe_free_c  shell has no wireframe edges, but one
                                   or more faces
   PK_SHELL_type_mixed_c           shell has both wireframe edges and faces