Method parm

tutorials/common/scenegraph/xml_parser.h:28–31

! returns a parameter of the XML node */

    /*! returns a parameter of the XML node */
    std::string parm(const std::string& parmID) const {
      std::map<std::string,std::string>::const_iterator i = parms.find(parmID);
      if (i == parms.end()) return ""; else return i->second;
    }

    Vec2f parm_Vec2f(const std::string& parmID) const {
      std::map<std::string,std::string>::const_iterator i = parms.find(parmID);