How to use the dymos.transcriptions.grid_data.GridData function in dymos

def initialize(self):

        self.options.declare(
            'grid_data', types=GridData,
            desc='Container object for grid info')

        self.options.declare(
            'control_options', types=dict,
            desc='Dictionary of control names/options for the phase')

def initialize(self):
        self.options.declare('polynomial_control_options', types=dict,
                             desc='Dictionary of options for the polynomial controls')
        self.options.declare('time_units', default=None, allow_none=True, types=str,
                             desc='Units of time')
        self.options.declare('grid_data', types=GridData, desc='Container object for grid info')

def initialize(self):

        self._timeseries_outputs = []

        self._vars = []

        self.options.declare('input_grid_data',
                             types=GridData,
                             desc='Container object for grid on which inputs are provided.')

        self.options.declare('output_grid_data',
                             types=GridData,
                             allow_none=True,
                             default=None,
                             desc='Container object for grid on which outputs are interpolated.')

        self.options.declare('output_subset',
                             types=str,
                             default='all',
                             desc='Name of the node subset at which outputs are desired.')

def initialize(self):

        self.options.declare(
            'grid_data', types=GridData,
            desc='Container object for grid info')

        self.options.declare(
            'state_options', types=dict,
            desc='Dictionary of state names/options for the phase')

        self.options.declare(
            'time_units', default=None, allow_none=True, types=str,
            desc='Units of time')

def init_grid(self):
        self.grid_data = GridData(num_segments=self.options['num_segments'],
                                  transcription='runge-kutta',
                                  transcription_order=self.options['method'],
                                  segment_ends=self.options['segment_ends'],
                                  compressed=self.options['compressed'])

def initialize(self):
        self.options.declare(
            'control_options', types=dict,
            desc='Dictionary of options for the dynamic controls')
        self.options.declare(
            'time_units', default=None, allow_none=True, types=str,
            desc='Units of time')
        self.options.declare(
            'grid_data', types=GridData,
            desc='Container object for grid info')

        # Save the names of the dynamic controls/parameters
        # self._dynamic_names = []
        self._input_names = {}
        self._output_val_names = {}
        self._output_rate_names = {}
        self._output_rate2_names = {}

def initialize(self):
        self.options.declare('polynomial_control_options', types=dict,
                             desc='Dictionary of options for the polynomial controls')
        self.options.declare('time_units', default=None, allow_none=True, types=str,
                             desc='Units of time')
        self.options.declare('grid_data', types=GridData, desc='Container object for grid info')
        self.options.declare('output_nodes_per_seg', default=None, types=(int,), allow_none=True,
                             desc='If None, results are provided at the all nodes within each'
                                  'segment.  If an int (n) then results are provided at n '

def initialize(self):
        self.options.declare('control_options', types=dict,
                             desc='Dictionary of options for the dynamic controls')
        self.options.declare('time_units', default=None, allow_none=True, types=str,
                             desc='Units of time')
        self.options.declare('grid_data', types=GridData, desc='Container object for grid info')
        self.options.declare('output_nodes_per_seg', default=None, types=(int,), allow_none=True,
                             desc='If None, results are provided at the all nodes within each'
                                  'segment.  If an int (n) then results are provided at n '
                                  'equally distributed points in time within each segment.')

        # Save the names of the dynamic controls/parameters
        self._dynamic_names = []
        self._input_names = {}
        self._output_val_names = {}
        self._output_val_all_names = {}
        self._output_rate_names = {}
        self._output_rate2_names = {}

def initialize(self):

        self.options.declare(
            'grid_data', types=GridData,
            desc='Container object for grid info')

        self.options.declare(
            'state_options', types=dict,
            desc='Dictionary of state names/options for the phase')

def initialize(self):

        self.options.declare('grid_data', types=GridData,
                             desc='Container object for grid info')

        self.options.declare('state_options', types=dict,
                             desc='Dictionary of state names/options for the phase')

        self.options.declare('control_options', types=dict,
                             desc='Dictionary of control names/options for the phase')

        self.options.declare('time_units', default=None, allow_none=True, types=str,
                             desc='Units of the integration variable')