intm_counter_DEF_GROUP;///< Counts the number of DEF * GROUPS used
intm_counter_USE_GROUP;///< Counts the number of USE * used, in the end, if m_counter_DEF_GROUP > 0 and m_counter_USE_GROUP == 0 then it will add the first group with childs
boolm_discardLastGeometry;///< If true, it should not store the latest loaded geometry (used to discard IndexedLineSet, but load it)