small updates

src/library.cpp

@@ -950,6 +950,14 @@ not recognized, the function returns -1.
      - number of dihedral types
    * - nimpropertypes
      - number of improper types
+   * - nellipsoids
+     - number of atoms that have ellipsoid data
+   * - nlines
+     - number of atoms that have line data (see :doc:`pair style line/lj <pair_line_lj>`)
+   * - ntris
+     - number of atoms that have triangle data (see :doc:`pair style tri/lj <pair_tri_lj>`)
+   * - nbodies
+     - number of atoms that have body data (see :doc:`the Body particle HowTo <Howto_body>`)
 
 .. _extract_atom_flags:
 
@@ -1021,6 +1029,10 @@ int lammps_extract_setting(void *handle, const char *keyword)
   if (strcmp(keyword,"nangletypes") == 0) return lmp->atom->nangletypes;
   if (strcmp(keyword,"ndihedraltypes") == 0) return lmp->atom->ndihedraltypes;
   if (strcmp(keyword,"nimpropertypes") == 0) return lmp->atom->nimpropertypes;
+  if (strcmp(keyword,"nellipsoids") == 0) return lmp->atom->nellipsoids;
+  if (strcmp(keyword,"nlines") == 0) return lmp->atom->nlines;
+  if (strcmp(keyword,"ntris") == 0) return lmp->atom->ntris;
+  if (strcmp(keyword,"nbodies") == 0) return lmp->atom->nbodies;
 
   if (strcmp(keyword,"molecule_flag") == 0) return lmp->atom->molecule_flag;
   if (strcmp(keyword,"q_flag") == 0) return lmp->atom->q_flag;