TransformParameters

class jwst.lib.set_telescope_pointing.TransformParameters(allow_default: bool = False, default_pa_v3: float = 0.0, detector: str = '', dry_run: bool = False, engdb_url: str | None = None, exp_type: str | None = None, fgsid: int | None = None, fsmcorr_version: str = 'latest', fsmcorr_units: str = 'arcsec', guide_star_wcs: WCSRef = (None, None, None), j2fgs_transpose: bool = True, jwst_velocity: ndarray | None = None, method: Methods = Methods.OPS_TR_202111, obsend: float | None = None, obsstart: float | None = None, override_transforms: Transforms | None = None, pcs_mode: str | None = None, pointing: Pointing | Any = None, reduce_func: Callable | None = None, siaf: SIAF | Any = None, siaf_db: SiafDb | Any = None, tolerance: float = 60.0, v3pa_at_gs: float | None = None)

Bases: object

Parameters required for the calculations.

Attributes Summary

allow_default	If telemetry cannot be determined, use existing information in the observation's header.
default_pa_v3	The V3 position angle to use if the pointing information is not found.
detector	Detector in use.
dry_run	Do not write out the modified file.
engdb_url	URL of the engineering telemetry database REST interface.
exp_type	Exposure type
fgsid	FGS to use as the guiding FGS.
fsmcorr_units	Units of the FSM correction values.
fsmcorr_version	The version of the FSM correction calculation to use.
guide_star_wcs	Guide star WCS info, typically from the input model.
j2fgs_transpose	Transpose the j2fgs1 matrix.
jwst_velocity	The [DX, DY, DZ] barycentri velocity vector
method
obsend	Observation end time
obsstart	Observation start time
override_transforms	If set, matrices that should be used instead of the calculated one.
pcs_mode	The tracking mode in use.
pointing
reduce_func	Reduction function to use on values.
siaf	The SIAF information for the input model
siaf_db	The SIAF database
tolerance	If no telemetry can be found during the observation, the time, in seconds, beyond the observation time to search for telemetry.
v3pa_at_gs

Methods Summary

as_reprdict()	Return a dict where all values are REPR of their values.
update_pointing()	Update pointing information.

Attributes Documentation

allow_default: bool = False

If telemetry cannot be determined, use existing information in the observation’s header.

default_pa_v3: float = 0.0

The V3 position angle to use if the pointing information is not found.

detector: str = ''

Detector in use.

dry_run: bool = False

Do not write out the modified file.

engdb_url: str | None = None

URL of the engineering telemetry database REST interface.

exp_type: str | None = None

Exposure type

fgsid: int | None = None

FGS to use as the guiding FGS. If None, will be set to what telemetry provides.

fsmcorr_units: str = 'arcsec'

Units of the FSM correction values. Default is ‘arcsec’. See calc_sifov_fsm_delta_matrix

fsmcorr_version: str = 'latest'

The version of the FSM correction calculation to use. See calc_sifov_fsm_delta_matrix

guide_star_wcs: WCSRef = (None, None, None)

Guide star WCS info, typically from the input model.

j2fgs_transpose: bool = True

Transpose the j2fgs1 matrix.

jwst_velocity: ndarray | None = None

The [DX, DY, DZ] barycentri velocity vector

method: Methods = 'ops_tr_202111'

obsend: float | None = None

Observation end time

obsstart: float | None = None

Observation start time

override_transforms: Transforms | None = None

If set, matrices that should be used instead of the calculated one.

pcs_mode: str | None = None

The tracking mode in use.

pointing: Pointing | Any = None

reduce_func: Callable | None = None

Reduction function to use on values.

siaf: SIAF | Any = None

The SIAF information for the input model

siaf_db: SiafDb | Any = None

The SIAF database

tolerance: float = 60.0

If no telemetry can be found during the observation, the time, in seconds, beyond the observation time to search for telemetry.

v3pa_at_gs: float | None = None

Methods Documentation

as_reprdict()

Return a dict where all values are REPR of their values.

update_pointing()

Update pointing information.