- static const std::string POINT_ATTR_X("x");
- return POINT_ATTR_X;
- }
-
- /// Attribute name for Y coordinate.
- inline static const std::string& Y()
- {
- static const std::string POINT_ATTR_Y("y");
- return POINT_ATTR_Y;
- }
-
- /// Attribute name for Z coordinate.
- inline static const std::string& Z()
- {
- static const std::string POINT_ATTR_Z("z");
- return POINT_ATTR_Z;