Dish Leaf Node¶

A Leaf control node for DishMaster.

class tmcprototype.dishleafnode.src.dishleafnode.dish_leaf_node.DishLeafNode(*args, **kwargs)¶

A Leaf control node for DishMaster.

Abort()¶: Invokes Abort command on the DishMaster.

class AbortCommand(*args, **kwargs)¶

A class for DishLeafNode’s Abort command.

check_allowed()¶

Checks whether this command is allowed to be run in current device state

Returns:	True if this command is allowed to be run in current device state
Return type:	boolean

do()¶

Invokes TrackStop command on the DishMaster.

Raises:	DevFailed – If error occurs while invoking TrackStop command on DishMaster.

Configure(argin)¶: Configures the Dish by setting pointing coordinates for a given observation.

class ConfigureCommand(*args, **kwargs)¶

A class for DishLeafNode’s Configure() command.

check_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

do(argin)¶

Configures the Dish by setting pointing coordinates for a given scan. This function accepts the input json and calculate pointing parameters of Dish- Azimuth and Elevation Angle. Calculated parameters are again converted to json and fed to the dish master.

Parameters:

argin –

A String in a JSON format that includes pointing parameters of Dish- Azimuth and Elevation Angle.

Example: {“pointing”:{“target”:{“system”:”ICRS”,”name”:”Polaris Australis”,”RA”:”21:08:47.92”,”dec”:”-88:57:22.9”}}, “dish”:{“receiverBand”:”1”}}

Raises: DevFailed – If error occurs while invoking ConfigureBand<> command on DishMaster or if the json string contains invalid data.

DishMasterFQDN¶: Used by autodoc_mock_imports.

EndScan(argin)¶: Invokes StopCapture command on DishMaster.

class EndScanCommand(*args, **kwargs)¶

A class for DishLeafNode’s EndScan() command.

check_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

do(argin)¶

Invokes StopCapture command on DishMaster.

Parameters:	argin – timestamp
Raises:	DevFailed – If error occurs while invoking StopCapture command on DishMaster.

class InitCommand(*args, **kwargs)¶

A class for the TMC DishLeafNode’s init_device() method.

do()¶

Initializes the attributes and properties of the DishLeafNode.

Returns:	A tuple containing a return code and a string message indicating status. The message is for information purpose only.
Return type:	(ResultCode, str)
Raises:	DevFailed – If error occurs in creating a DeviceProxy instance for DishMaster

ObsReset()¶: Invokes ObsReset command on the DishLeafNode.

class ObsResetCommand(*args, **kwargs)¶

A class for DishLeafNode’s ObsReset command.

check_allowed()¶

Checks whether this command is allowed to be run in current device state

Returns:	True if this command is allowed to be run in current device state
Return type:	boolean

do()¶

Invokes SetStandbyFPMode command on the DishMaster.

Raises:	DevFailed – If error occurs while invoking SetStandbyFPMode command on DishMaster.

Restart()¶: Invokes Restart command on the DishMaster.

class RestartCommand(*args, **kwargs)¶

A class for DishLeafNode’s Restart command.

check_allowed()¶

Checks whether this command is allowed to be run in current device state

Returns:	True if this command is allowed to be run in current device state
Return type:	boolean

do()¶

Invokes StopCapture command on the DishMaster.

Raises:	DevFailed – If error occurs while invoking StopCapture command on DishMaster.

Scan(argin)¶: Invokes Scan command on DishMaster.

class ScanCommand(*args, **kwargs)¶

A class for DishLeafNode’s Scan() command.

check_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

do(argin)¶

Invokes Scan command on DishMaster.

Parameters:	argin – timestamp
Raises:	DevFailed – If error occurs while invoking Scan command on DishMaster.

SetOperateMode()¶: Invokes SetOperateMode command on DishMaster.

class SetOperateModeCommand(*args, **kwargs)¶

A class for DishLeafNode’s SetOperateMode() command.

do()¶

Invokes SetOperateMode command on DishMaster.

Raises:	DevFailed – If error occurs while invoking SetOperateMode command on DishMaster.

SetStandbyFPMode()¶: Invokes SetStandbyFPMode command on DishMaster (Standby-Full power) mode.

class SetStandbyFPModeCommand(*args, **kwargs)¶

A class for DishLeafNode’s SetStandbyFPMode() command.

do()¶

Invokes SetStandbyFPMode command on DishMaster (Standby-Full power) mode.

Raises:	DevFailed – If error occurs while invoking SetStandbyFPMode command on DishMaster.

SetStandbyLPMode()¶: Invokes SetStandbyLPMode (i.e. Low Power State) command on DishMaster.

class SetStandbyLPModeCommand(*args, **kwargs)¶

A class for DishLeafNode’s SetStandbyLPMode() command.

do()¶

Invokes SetStandbyLPMode (i.e. Low Power State) command on DishMaster.

Raises:	DevFailed – If error occurs while invoking SetStandbyLPMode command on DishMaster.

SetStowMode()¶: Invokes SetStowMode command on DishMaster.

class SetStowModeCommand(*args, **kwargs)¶

A class for DishLeafNode’s SetStowMode() command.

do()¶

Invokes SetStowMode command on DishMaster.

Raises:	DevFailed – If error occurs while invoking SetStowMode command on DishMaster.

Slew(argin)¶: Invokes Slew command on DishMaster to slew the dish towards the set pointing coordinates.

class SlewCommand(*args, **kwargs)¶

A class for DishLeafNode’s SlewCommand() command.

check_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

do(argin)¶

Invokes Slew command on DishMaster to slew the dish towards the set pointing coordinates.

Parameters:	argin – list [0] = Azimuth, in degrees [1] = Elevation, in degrees
Raises:	DevFailed – If error occurs while invoking Slew command on DishMaster.

StartCapture(argin)¶: Triggers the DishMaster to Start capture on the set configured band.

class StartCaptureCommand(*args, **kwargs)¶

A class for DishLeafNode’s StartCapture() command.

check_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

do(argin)¶

Invokes StartCapture command on DishMaster on the set configured band.

Parameters:	argin – timestamp
Raises:	DevFailed – If error occurs while invoking StartCapture command on DishMaster.

StopCapture(argin)¶: Invokes StopCapture command on DishMaster on the set configured band.

class StopCaptureCommand(*args, **kwargs)¶

A class for DishLeafNode’s StopCapture() command.

check_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

do(argin)¶

Invokes StopCapture command on DishMaster on the set configured band.

Parameters:	argin – timestamp
Raises:	DevFailed – If error occurs while invoking StopCapture command on DishMaster.

StopTrack()¶: Invokes StopTrack command on the DishMaster.

class StopTrackCommand(*args, **kwargs)¶

A class for DishLeafNode’s StopTrack() command.

check_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

do()¶

Invokes TrackStop command on the DishMaster.

Raises:	DevFailed – If error occurs while invoking TrackStop command on DishMaster.

Track(argin)¶: Invokes Track command on the DishMaster.

class TrackCommand(*args, **kwargs)¶

A class for DishLeafNode’s Track() command.

check_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

do(argin)¶

Invokes Track command on the DishMaster.

Parameters:

argin –

DevString The elevation limit thread allows Dish to track a source till the observation capacity i.e. elevation limit of dish.

The tracking time thread allows dish to track a source for the prespecified Track Duration (provided elevation limit is not reached).

For Track command, argin to be provided is the Ra and Dec values in the following JSON format:

{“pointing”:{“target”:{“system”:”ICRS”,”name”:”Polaris Australis”,”RA”:”21:08:47.92”,”dec”:”-88:57:22.9”}}, “dish”:{“receiverBand”:”1”}}

Raises: DevFailed – If error occurs while invoking Track command on DishMaster.

activityMessage¶: Used by autodoc_mock_imports.

attribute_event_handler(event_data)¶

Retrieves the subscribed attribute of DishMaster.

Parameters:	evt – A TANGO_CHANGE event on attribute.

convert_radec_to_azel(target, timestamp)¶

Converts RaDec coordinate in to AzEl coordinate using KATPoint library.

Parameters:	target – str Argin to be provided is the Ra and Dec values in the following format: radec,21:08:47.92,89:15:51.4 timestamp – str 2020-12-11 10:06:34.970731
Returns:	list Azimuth and elevation angle, in degrees
Raises:	ValueError – If error occurs when creating katpoint Target or Timestamp.

dishHealthState¶: Used by autodoc_mock_imports.

dishPointingState¶: Used by autodoc_mock_imports.

init_command_objects()¶: Initialises the command handlers for commands supported by this device.

is_Abort_allowed()¶

Checks whether this command is allowed to be run in current device state

Returns:	True if this command is allowed to be run in current device state
Return type:	boolean

is_Configure_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

is_EndScan_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

is_ObsReset_allowed()¶

Checks whether this command is allowed to be run in current device state

Returns:	True if this command is allowed to be run in current device state
Return type:	boolean

is_Restart_allowed()¶

Checks whether this command is allowed to be run in current device state

Returns:	True if this command is allowed to be run in current device state
Return type:	boolean

is_Scan_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

is_Slew_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

is_StartCapture_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

is_StopCapture_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

is_StopTrack_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

is_Track_allowed()¶

Checks whether this command is allowed to be run in the current device state.

Returns:	True if this command is allowed to be run in current device state.
Return type:	boolean

read_activityMessage()¶: Returns the activityMessage

set_dish_name_number()¶

set_observer_lat_long_alt()¶

track_thread()¶: This thread writes coordinates to desiredPointing on DishMaster at the rate of 20 Hz.

write_activityMessage(value)¶: Internal construct of TANGO. Sets the activityMessage

tmcprototype.dishleafnode.src.dishleafnode.dish_leaf_node.main(args=None, **kwargs)¶: Runs the DishLeafNode. :param args: Arguments internal to TANGO :param kwargs: Arguments internal to TANGO :return: DishLeafNode TANGO object.