typedef int PK_pattern_status_t;
This data type indicates the status for a particular instance of
the patterning operation. It has six values:
PK_pattern_status_ok_c no errors detected when pattern created
PK_pattern_status_fail_c errors detected when pattern created
PK_pattern_status_outside_fa_c transformed pattern outside base face
PK_pattern_status_outside_reg_c transformed pattern outside base region
PK_pattern_status_tf_failed_c transformation of pattern failed, possibly
failed to regenerate SP-curve
PK_pattern_status_face_clash_c face-face clash detected
