dynamic_reconfigure groups and sub_groups

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Hi everyone, I am looking into the possibility of having multiple groups and subgroups in the .cfg file to configure several parameters. I am trying to have the below described format in the gui to vary all the x and y.

• Plane0

  • Point0

    • x0

    • y0

  • Point1

    • x1

    • y1

      |

      |

  • PointN

    • xN

    • yN

• Plane1

  • Point0

    • x0

    • y0

  • Point1

    • x1

    • y1

      |

      |

  • PointN

    • xN

    • yN

Similarly upto N Planes.

Since it is not possible to manipulate array elements using dynamic reconfigure, elements have to grouped as described above. Can this be achieve using dynamic_reconfigure? Any suggestions would be helpful