• leaf_nodes : myOctree
• level_nodes : myOctree
• max_level : myOctree
• nodes : myOctree
• nx_block : myOctree
• ny_block : myOctree
• nz_block : myOctree
• pad : myOctree
• root_nodes : myOctree
• scalar_fields : myOctree
• vector_fields : myOctree