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{
"type": "package",
"path": "docstrings",
"file": "__package__.yaml",
"_implicit_name": "docstrings",
"config": {
"name": "tudatpy",
"version": null
},
"summary": null,
"extended_summary": null,
"routine_listings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null,
"classes": null,
"functions": null,
"constants": null,
"modules": [
"interface",
"numerical-simulation",
"plotting",
"cli",
"util"
],
"name": "tudatpy",
"version": null,
"interface": {
"type": "package",
"path": "docstrings/interface",
"file": "__package__.yaml",
"_implicit_name": "interface",
"config": null,
"summary": null,
"extended_summary": null,
"routine_listings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null,
"classes": null,
"functions": null,
"constants": null,
"modules": [
"spice"
],
"name": "interface",
"version": null,
"spice": {
"type": "module",
"path": "docstrings/interface",
"file": "spice.yaml",
"_implicit_name": "spice",
"config": null,
"summary": null,
"extended_summary": null,
"routine_listings": null,
"see_also": null,
"notes": "None",
"references": null,
"examples": null,
"classes": [
{
"name": "SpiceEphemeris",
"short_summary": "Ephemeris derived class which retrieves the state of a body directly from the SPICE library.",
"deprecation_warning": null,
"extended_summary": "Ephemeris derived class which retrieves the state of a body directly from the SPICE library.\nThe body of which the ephemeris is to be retrieved, as well as the origin and orientation\nof the reference frame in which the states are returned, and any corrections that are\napplied, are defined once during object construction.\n",
"parameters": null,
"attributes": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null,
"methods": [
{
"name": "__init__",
"short_summary": "Constructor.",
"deprecation_warning": null,
"extended_summary": "Constructor, sets the input variables for the calls to the spice function to retrieve state.",
"parameters": [
{
"name": "target_body_name",
"type": null,
"description": "Name of body of which the ephemeris is to be calculated."
},
{
"name": "observer_body_name",
"type": null,
"description": "Name of body relative to which the ephemeris is to be calculated."
},
{
"name": "correct_for_stellar_aberration",
"type": null,
"description": "Boolean whether to correct for stellar Aberration in retrieved values of (observed state).\n"
},
{
"name": "correct_for_light_time_aberration",
"type": null,
"description": "Boolean whether to correct for light time in retrieved values of (observed state).\n"
},
{
"name": "converge_ligh_time_aberration",
"type": null,
"description": "Boolean whether to use single iteration or max. 3 iterations for calculating light time.\n"
},
{
"name": "reference_frame_name",
"type": null,
"description": "Name of the reference frame in which the epehemeris is to be calculated.\n"
},
{
"name": "reference_julian_day",
"type": null,
"description": "Reference julian day w.r.t. which ephemeris is evaluated.\n"
}
],
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_cartesian_state",
"short_summary": "Get Cartesian state from ephemeris.",
"deprecation_warning": null,
"extended_summary": " Returns Cartesian state from ephemeris at given Julian day.",
"parameters": [
{
"name": "seconds_since_epoch",
"type": "float",
"description": "Seconds since epoch at which ephemeris is to be evaluated."
}
],
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
}
]
}
],
"functions": [
{
"name": "convert_julian_date_to_ephemeris_time",
"short_summary": "Convert a Julian date to ephemeris time (equivalent to TDB in Spice).",
"deprecation_warning": null,
"extended_summary": "The following math is for documentation demonstration purposes\n\n.. math:: X(e^{j\\omega } ) = x(n)e^{ - j\\omega n}\n\n\\f$ f(x) = a + b \\f$\n\nFunction to convert a Julian date to ephemeris time, which is\nequivalent to barycentric dynamical time. A leap second kernel\nmust have been loaded to use this function.\n",
"parameters": [
{
"name": "julian_date",
"type": "int",
"description": "Julian date that is to be converted to ephemeris time."
}
],
"returns": {
"name": "ephemeris_time",
"type": "float",
"description": "Julian date calculated from ephemeris time."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "convert_ephemeris_time_to_julian_date",
"short_summary": "Convert ephemeris time (equivalent to TDB) to a Julian date.",
"deprecation_warning": null,
"extended_summary": "Function to convert ephemeris time, which is nearly equal to\nbarycentric dynamical time, to the Julian date. A leap second\nkernel must have been loaded to use this function.\n",
"parameters": [
{
"name": "ephemeris_time",
"type": "float",
"description": "Ephemeris time that is to be converted to Julian date."
}
],
"returns": {
"name": "julian_date",
"type": "float",
"description": "Julian date calculated from ephemeris time."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "convert_date_string_to_ephemeris_time",
"short_summary": "Converts a date string to ephemeris time.",
"deprecation_warning": null,
"extended_summary": "Function to convert a date string, for instance\n1988 June 13, 3:29:48 to ephemeris time, wrapper for `str2et_c`\nspice function.\n",
"parameters": [
{
"name": "date_string",
"type": "str",
"description": "String representing the date. See documentation of spice\nfunction `str2et_c` for details on supported formats.\n"
}
],
"returns": {
"name": "ephemeris_time",
"type": "str",
"description": "Ephemeris time corresponding to given date_string."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_body_cartesian_state_at_epoch",
"short_summary": "Get Cartesian state of a body, as observed from another body.",
"deprecation_warning": null,
"extended_summary": "This function returns the state of a body, relative to another\nbody, in a frame specified by the user. Corrections for light-time\ncorrection and stellar aberration can be applied to obtain the\nstate of one of the bodies, as observed from the other. Wrapper\nfor `spkezr_c` spice function.\n",
"parameters": [
{
"name": "target_body_name",
"type": "str",
"description": "Name of the body of which the state is to be obtained. A kernel\nwith the ephemeris of this body must have been loaded. The\nstring must be a spice-recognized name or ID.\n"
},
{
"name": "observer_body_name",
"type": "str",
"description": "Name of the body relative to which the state is to be obtained.\nA kernel with the ephemeris of this body must have been loaded.\nThe string must be a spice-recognized name or ID.\n"
},
{
"name": "reference_frame_name",
"type": "str",
"description": "The spice-recognized name of the reference frame in which the\nstate is to be returned. Spice kernel(s) required to perform\nthe necessary conversion from the states of the target and\nobserver bodies to this frame need to have been loaded.\n"
},
{
"name": "aberration_corrections",
"type": "str",
"description": "Setting for correction for setting corrections. See Spice\ndocumentation for extended discussion.\nShort summary:\n\n- NONE: none\n- LT: light time corrected (one iteration for calculation)\n- CN: light time corrected (multiple iterations, max 3) for calculation\n- S: Stellar aberration corrected.\n- XLT and XCN: can be provided to make the ephemeris time input argument the transmission time, instead of reception time. Arguments can be combined (i.e.\"LT+S\" or \"XCN+S\").\n"
},
{
"name": "ephemeris_time",
"type": "float",
"description": "Observation time (or transmission time of observed light, see description\nof aberrationCorrections).\n"
}
],
"returns": {
"name": "cartesian_state_vector",
"type": "np.ndarray[6,]",
"description": "Cartesian state vector (x,y,z, position+velocity)."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_body_cartesian_position_at_epoch",
"short_summary": "Get Cartesian position of a body, as observed from another body.",
"deprecation_warning": null,
"extended_summary": "This function returns the position of a body, relative to another\nbody, in a frame specified by the user. Corrections for light-time\ncorrection and stellar aberration can be applied to obtain the\nstate of one of the bodies, as observed from the other. Wrapper\nfor `spkpos_c` spice function.\n",
"parameters": [
{
"name": "target_body_name",
"type": "str",
"description": "Name of the body of which the state is to be obtained. A kernel\nwith the ephemeris of this body must have been loaded. The\nstring must be a spice-recognized name or ID.\n"
},
{
"name": "observer_body_name",
"type": "str",
"description": "Name of the body relative to which the state is to be obtained.\nA kernel with the ephemeris of this body must have been loaded.\nThe string must be a spice-recognized name or ID.\n"
},
{
"name": "reference_frame_name",
"type": "str",
"description": "The spice-recognized name of the reference frame in which the\nstate is to be returned. Spice kernel(s) required to perform\nthe necessary conversion from the states of the target and\nobserver bodies to this frame need to have been loaded.\n"
},
{
"name": "aberration_corrections",
"type": "str",
"description": "Setting for correction for setting corrections. See Spice\ndocumentation for extended discussion.\nShort summary:\n\n- NONE: none\n- LT: light time corrected (one iteration for calculation)\n- CN: light time corrected (multiple iterations, max 3) for calculation,\n- S: Stellar aberration corrected.\n- XLT and XCN: can be provided to make the ephemeris time input argument the transmission time, instead of reception time. Arguments can be combined (i.e.\"LT+S\" or \"XCN+S\").\n"
},
{
"name": "ephemeris_time",
"type": "float",
"description": "Observation time (or transmission time of observed light, see description\nof aberrationCorrections).\n"
}
],
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_cartesian_state_from_tle_at_epoch",
"short_summary": "Get Cartesian state of a satellite from its two-line element set at a specified epoch.",
"deprecation_warning": null,
"extended_summary": "This function retrieves the state of a satellite at a certain epoch\nby propagating the SGP or SDP models (near-Earth resp. deep space)\nwith the given two-line elements (TLE). This function serves as a\nwrapper for the `ev2lin_` function in CSpice.\n",
"parameters": [
{
"name": "epoch",
"type": "float",
"description": "Time in seconds since J2000 at which the state is to be retrieved."
},
{
"name": "tle",
"type": ":class:`~tudatpy.kernel.astro.ephemerides.Tle`",
"description": "Shared pointer to a Tle object containing the SGP/SDP model parameters as derived from the element set."
}
],
"returns": {
"name": "cartesian_state_vector",
"type": "np.ndarray[6,]",
"description": "Cartesian state vector (x,y,z, position+velocity)."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "compute_rotation_quaternion_between_frames",
"short_summary": "Compute quaternion of rotation between two frames.",
"deprecation_warning": null,
"extended_summary": "This function computes the quaternion of rotation between two\nframes at a given time instant. kernels defining the two frames,\nas well as any required intermediate frames, at the requested\ntime must have been loaded. Wrapper for `pxform_c` spice function.\n",
"parameters": [
{
"name": "original_frame",
"type": null,
"description": "Reference frame from which the rotation is made."
},
{
"name": "new_frame",
"type": null,
"description": "Reference frame to which the rotation is made."
},
{
"name": "ephemeris_time",
"type": null,
"description": "Value of ephemeris time at which rotation is to be determined."
}
],
"returns": {
"name": null,
"type": null,
"description": "Rotation quaternion from original to new frame at given time."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "compute_rotation_matrix_derivative_between_frames",
"short_summary": "Computes time derivative of rotation matrix between two frames.",
"deprecation_warning": null,
"extended_summary": "This function computes the derivative of the rotation matrix\nbetween two frames at a given time instant. kernels defining the\ntwo frames, as well as any required intermediate frames, at the\nrequested time must have been loaded. Wrapper for (part of) `sxform_c` spice function.\n",
"parameters": [
{
"name": "original_frame",
"type": null,
"description": "Reference frame from which the rotation is made."
},
{
"name": "new_frame",
"type": null,
"description": "Reference frame to which the rotation is made."
},
{
"name": "ephemeris_time",
"type": null,
"description": "Value of ephemeris time at which rotation is to be determined."
}
],
"returns": {
"name": null,
"type": null,
"description": "Time derivative of rotation matrix from original to new frame at given time."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_angular_velocity_vector_of_frame_in_original_frame",
"short_summary": "Computes the angular velocity of one frame w.r.t. to another frame.",
"deprecation_warning": null,
"extended_summary": "Computes the angular velocity of one frame w.r.t. to another frame.\nat a given time instant. kernels defining the two frames, as well\nas any required intermediate frames, at the requested time must\nhave been loaded. Wrapper for `xf2rav_c`_ spice function (utilizing `sxform_c`_).\n\n.. _`xf2rav_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/xf2rav_c.html\n.. _`sxform_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/sxform_c.html\n",
"parameters": [
{
"name": "original_frame",
"type": null,
"description": "Reference frame from which the rotation is made."
},
{
"name": "new_frame",
"type": null,
"description": "Reference frame to which the rotation is made."
},
{
"name": "ephemeris_time",
"type": null,
"description": "Value of ephemeris time at which rotation is to be determined."
}
],
"returns": {
"name": null,
"type": null,
"description": "Angular velocity of newFrame w.r.t. originalFrame, expressed in originalFrame."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_body_properties",
"short_summary": "Get property of a body from Spice.",
"deprecation_warning": null,
"extended_summary": "Function to retrieve a property of a body from Spice, wraps the bodvrd_c Spice function.\n",
"parameters": [
{
"name": "body_name",
"type": null,
"description": "Name of the body of which the property is to be retrieved."
},
{
"name": "property",
"type": null,
"description": "Name of the property that is to be retrieved. Naming conventions can be found\nin the `bodvrd_c`_ function documentation.\n\n.. _`bodvrd_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/bodvrd_c.html\n"
},
{
"name": "maximum_number_of_values",
"type": "int",
"description": "Number of values by which the property is expressed (i.e. 1 for\ngravitational parameter, 3 for tri-axial ellipsoid principal axes).\n"
}
],
"returns": {
"name": null,
"type": null,
"description": "Property value(s) expressed in an STL vector of doubles."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": "Function returns values with distance unit km, not m!\n",
"references": null,
"examples": null
},
{
"name": "get_body_gravitational_parameter",
"short_summary": "Get gravitational parameter of a body.",
"deprecation_warning": null,
"extended_summary": "This function retrieves the gravitational parameter of a body.\nWraps the `bodvrd_c`_ spice function with \"GM\" as property type.\n\n.. _`bodvrd_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/bodvrd_c.html\n",
"parameters": [
{
"name": "body",
"type": null,
"description": "Name of the body of which the parameter is to be retrieved."
}
],
"returns": {
"name": null,
"type": null,
"description": "Gravitational parameter of requested body."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_average_radius",
"short_summary": "Get the (arithmetic) mean of the three principal axes of the tri-axial ellipsoid shape.",
"deprecation_warning": null,
"extended_summary": "Returns the (arithmetic) mean of the three principal axes of the\ntri-axial ellipsoid shape of the requested body. Uses the `bodvrd_c` spice function with \"RADII\" as property type.\n\n.. _`bodvrd_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/bodvrd_c.html\n",
"parameters": [
{
"name": "body",
"type": null,
"description": "Name of the body of which the average radius is to be retrieved."
}
],
"returns": {
"name": null,
"type": null,
"description": "Arithmetic mean of principal axes of tri-axial ellipsoid shape model of body."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "convert_body_name_to_naif_id",
"short_summary": "Convert a body name to its NAIF identification number.",
"deprecation_warning": null,
"extended_summary": "This function converts a body name to its NAIF identification\nnumber. The NAIF id number is required for a number of spice\nfunctions, whereas the name is easily interpretable by the user.\nWrapper for the ``bods2c_c`` function.\n",
"parameters": [
{
"name": "body_name",
"type": null,
"description": "Name of the body for which NAIF id is to be retrieved."
}
],
"returns": {
"name": null,
"type": null,
"description": "NAIF id number for the body with bodyName."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "check_body_property_in_kernel_pool",
"short_summary": "Check if a certain property of a body is in the kernel pool.",
"deprecation_warning": null,
"extended_summary": "This function checks if a certain property of a body is in the\nkernel pool. These properties are defined in PCK kernels. Their\nnames are given in the kernel file, typical names can be found in\nthe Spice documentation. Wrapper for the `bodfnd_c`_ function.\n\n.. _`bodfnd_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/bodfnd_c.html\n",
"parameters": [
{
"name": "body_name",
"type": null,
"description": "Name of the body of which the property is to be checked."
},
{
"name": "body_property",
"type": null,
"description": "Name of the property of which the presence is to be checked, not case-sensitive."
}
],
"returns": {
"name": null,
"type": "bool",
"description": "True if property is in pool, false if not."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_standard_kernels",
"short_summary": "Get the paths to the default legacy kernels.",
"deprecation_warning": null,
"extended_summary": null,
"parameters": null,
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "load_standard_kernels",
"short_summary": "Load the default legacy kernels.",
"deprecation_warning": null,
"extended_summary": null,
"parameters": [
{
"name": "kernel_paths",
"type": "List[str]",
"description": "Optional addition kernels to be loaded."
}
],
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_total_count_of_kernels_loaded",
"short_summary": "Get the number of spice kernels currently loaded.",
"deprecation_warning": null,
"extended_summary": "This function returns the amount of Spice kernels that are loaded\ninto the kernel pool. The same kernel can be loaded multiple times.\nWrapper for the `ktotal_c`_ function.\n\n.. _`ktotal_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/ktotal_c.html\n",
"parameters": null,
"returns": {
"name": "n_kernels",
"type": "int",
"description": "Number of spice kernels currently loaded."
},
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "load_kernel",
"short_summary": "Loads a Spice kernel into the pool.",
"deprecation_warning": null,
"extended_summary": "This function loads a Spice kernel into the kernel pool, from which\nit can be used by the various internal spice routines. Matters\nregarding the manner in which Spice handles different kernels\ncontaining the same information can be found in the spice required\nreading documentation, kernel section. Wrapper for the `furnsh_c`_\nfunction.\n\n.. _`furnsh_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/furnsh_c.html\n",
"parameters": [
{
"name": "file_path",
"type": "str",
"description": "Path to the spice kernel to be loaded."
}
],
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "clear_kernels",
"short_summary": "Clear all loaded spice kernels.",
"deprecation_warning": null,
"extended_summary": "This function removes all Spice kernels from the kernel pool.\nWrapper for the `kclear_c`_ function.\n\n.. _`kclear_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/kclear_c.html\n",
"parameters": null,
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
}
],
"constants": null,
"name": "spice",
"version": null,
"convert_julian_date_to_ephemeris_time": "\nConvert a Julian date to ephemeris time (equivalent to TDB in Spice).\n\nThe following math is for documentation demonstration purposes\n\n.. math:: X(e^{j\\omega } ) = x(n)e^{ - j\\omega n}\n\n\\f$ f(x) = a + b \\f$\n\nFunction to convert a Julian date to ephemeris time, which is\nequivalent to barycentric dynamical time. A leap second kernel\nmust have been loaded to use this function.\n\n\nParameters\n----------\njulian_date : int\n Julian date that is to be converted to ephemeris time.\n\nReturns\n-------\nephemeris_time : floatJulian date calculated from ephemeris time.\n\n",
"convert_ephemeris_time_to_julian_date": "\nConvert ephemeris time (equivalent to TDB) to a Julian date.\n\nFunction to convert ephemeris time, which is nearly equal to\nbarycentric dynamical time, to the Julian date. A leap second\nkernel must have been loaded to use this function.\n\n\nParameters\n----------\nephemeris_time : float\n Ephemeris time that is to be converted to Julian date.\n\nReturns\n-------\njulian_date : floatJulian date calculated from ephemeris time.\n\n",
"convert_date_string_to_ephemeris_time": "\nConverts a date string to ephemeris time.\n\nFunction to convert a date string, for instance\n1988 June 13, 3:29:48 to ephemeris time, wrapper for `str2et_c`\nspice function.\n\n\nParameters\n----------\ndate_string : str\n String representing the date. See documentation of spice\n function `str2et_c` for details on supported formats.\n\n\nReturns\n-------\nephemeris_time : strEphemeris time corresponding to given date_string.\n\n",
"get_body_cartesian_state_at_epoch": "\nGet Cartesian state of a body, as observed from another body.\n\nThis function returns the state of a body, relative to another\nbody, in a frame specified by the user. Corrections for light-time\ncorrection and stellar aberration can be applied to obtain the\nstate of one of the bodies, as observed from the other. Wrapper\nfor `spkezr_c` spice function.\n\n\nParameters\n----------\ntarget_body_name : str\n Name of the body of which the state is to be obtained. A kernel\n with the ephemeris of this body must have been loaded. The\n string must be a spice-recognized name or ID.\n\nobserver_body_name : str\n Name of the body relative to which the state is to be obtained.\n A kernel with the ephemeris of this body must have been loaded.\n The string must be a spice-recognized name or ID.\n\nreference_frame_name : str\n The spice-recognized name of the reference frame in which the\n state is to be returned. Spice kernel(s) required to perform\n the necessary conversion from the states of the target and\n observer bodies to this frame need to have been loaded.\n\naberration_corrections : str\n Setting for correction for setting corrections. See Spice\n documentation for extended discussion.\n Short summary:\n\n - NONE: none\n - LT: light time corrected (one iteration for calculation)\n - CN: light time corrected (multiple iterations, max 3) for calculation\n - S: Stellar aberration corrected.\n - XLT and XCN: can be provided to make the ephemeris time input argument the transmission time, instead of reception time. Arguments can be combined (i.e.\"LT+S\" or \"XCN+S\").\n\nephemeris_time : float\n Observation time (or transmission time of observed light, see description\n of aberrationCorrections).\n\n\nReturns\n-------\ncartesian_state_vector : np.ndarray[6,]Cartesian state vector (x,y,z, position+velocity).\n\n",
"get_body_cartesian_position_at_epoch": "\nGet Cartesian position of a body, as observed from another body.\n\nThis function returns the position of a body, relative to another\nbody, in a frame specified by the user. Corrections for light-time\ncorrection and stellar aberration can be applied to obtain the\nstate of one of the bodies, as observed from the other. Wrapper\nfor `spkpos_c` spice function.\n\n\nParameters\n----------\ntarget_body_name : str\n Name of the body of which the state is to be obtained. A kernel\n with the ephemeris of this body must have been loaded. The\n string must be a spice-recognized name or ID.\n\nobserver_body_name : str\n Name of the body relative to which the state is to be obtained.\n A kernel with the ephemeris of this body must have been loaded.\n The string must be a spice-recognized name or ID.\n\nreference_frame_name : str\n The spice-recognized name of the reference frame in which the\n state is to be returned. Spice kernel(s) required to perform\n the necessary conversion from the states of the target and\n observer bodies to this frame need to have been loaded.\n\naberration_corrections : str\n Setting for correction for setting corrections. See Spice\n documentation for extended discussion.\n Short summary:\n\n - NONE: none\n - LT: light time corrected (one iteration for calculation)\n - CN: light time corrected (multiple iterations, max 3) for calculation,\n - S: Stellar aberration corrected.\n - XLT and XCN: can be provided to make the ephemeris time input argument the transmission time, instead of reception time. Arguments can be combined (i.e.\"LT+S\" or \"XCN+S\").\n\nephemeris_time : float\n Observation time (or transmission time of observed light, see description\n of aberrationCorrections).\n\n",
"get_cartesian_state_from_tle_at_epoch": "\nGet Cartesian state of a satellite from its two-line element set at a specified epoch.\n\nThis function retrieves the state of a satellite at a certain epoch\nby propagating the SGP or SDP models (near-Earth resp. deep space)\nwith the given two-line elements (TLE). This function serves as a\nwrapper for the `ev2lin_` function in CSpice.\n\n\nParameters\n----------\nepoch : float\n Time in seconds since J2000 at which the state is to be retrieved.\ntle : :class:`~tudatpy.kernel.astro.ephemerides.Tle`\n Shared pointer to a Tle object containing the SGP/SDP model parameters as derived from the element set.\n\nReturns\n-------\ncartesian_state_vector : np.ndarray[6,]Cartesian state vector (x,y,z, position+velocity).\n\n",
"compute_rotation_quaternion_between_frames": "\nCompute quaternion of rotation between two frames.\n\nThis function computes the quaternion of rotation between two\nframes at a given time instant. kernels defining the two frames,\nas well as any required intermediate frames, at the requested\ntime must have been loaded. Wrapper for `pxform_c` spice function.\n\n\nParameters\n----------\noriginal_frame\n Reference frame from which the rotation is made.\nnew_frame\n Reference frame to which the rotation is made.\nephemeris_time\n Value of ephemeris time at which rotation is to be determined.\n\nReturns\n-------\nRotation quaternion from original to new frame at given time.\n\n",
"compute_rotation_matrix_derivative_between_frames": "\nComputes time derivative of rotation matrix between two frames.\n\nThis function computes the derivative of the rotation matrix\nbetween two frames at a given time instant. kernels defining the\ntwo frames, as well as any required intermediate frames, at the\nrequested time must have been loaded. Wrapper for (part of) `sxform_c` spice function.\n\n\nParameters\n----------\noriginal_frame\n Reference frame from which the rotation is made.\nnew_frame\n Reference frame to which the rotation is made.\nephemeris_time\n Value of ephemeris time at which rotation is to be determined.\n\nReturns\n-------\nTime derivative of rotation matrix from original to new frame at given time.\n\n",
"get_angular_velocity_vector_of_frame_in_original_frame": "\nComputes the angular velocity of one frame w.r.t. to another frame.\n\nComputes the angular velocity of one frame w.r.t. to another frame.\nat a given time instant. kernels defining the two frames, as well\nas any required intermediate frames, at the requested time must\nhave been loaded. Wrapper for `xf2rav_c`_ spice function (utilizing `sxform_c`_).\n\n.. _`xf2rav_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/xf2rav_c.html\n.. _`sxform_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/sxform_c.html\n\n\nParameters\n----------\noriginal_frame\n Reference frame from which the rotation is made.\nnew_frame\n Reference frame to which the rotation is made.\nephemeris_time\n Value of ephemeris time at which rotation is to be determined.\n\nReturns\n-------\nAngular velocity of newFrame w.r.t. originalFrame, expressed in originalFrame.\n\n",
"get_body_properties": "\nGet property of a body from Spice.\n\nFunction to retrieve a property of a body from Spice, wraps the bodvrd_c Spice function.\n\n\nParameters\n----------\nbody_name\n Name of the body of which the property is to be retrieved.\nproperty\n Name of the property that is to be retrieved. Naming conventions can be found\n in the `bodvrd_c`_ function documentation.\n\n .. _`bodvrd_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/bodvrd_c.html\n\nmaximum_number_of_values : int\n Number of values by which the property is expressed (i.e. 1 for\n gravitational parameter, 3 for tri-axial ellipsoid principal axes).\n\n\nReturns\n-------\nProperty value(s) expressed in an STL vector of doubles.\n\n",
"get_body_gravitational_parameter": "\nGet gravitational parameter of a body.\n\nThis function retrieves the gravitational parameter of a body.\nWraps the `bodvrd_c`_ spice function with \"GM\" as property type.\n\n.. _`bodvrd_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/bodvrd_c.html\n\n\nParameters\n----------\nbody\n Name of the body of which the parameter is to be retrieved.\n\nReturns\n-------\nGravitational parameter of requested body.\n\n",
"get_average_radius": "\nGet the (arithmetic) mean of the three principal axes of the tri-axial ellipsoid shape.\n\nReturns the (arithmetic) mean of the three principal axes of the\ntri-axial ellipsoid shape of the requested body. Uses the `bodvrd_c` spice function with \"RADII\" as property type.\n\n.. _`bodvrd_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/bodvrd_c.html\n\n\nParameters\n----------\nbody\n Name of the body of which the average radius is to be retrieved.\n\nReturns\n-------\nArithmetic mean of principal axes of tri-axial ellipsoid shape model of body.\n\n",
"convert_body_name_to_naif_id": "\nConvert a body name to its NAIF identification number.\n\nThis function converts a body name to its NAIF identification\nnumber. The NAIF id number is required for a number of spice\nfunctions, whereas the name is easily interpretable by the user.\nWrapper for the ``bods2c_c`` function.\n\n\nParameters\n----------\nbody_name\n Name of the body for which NAIF id is to be retrieved.\n\nReturns\n-------\nNAIF id number for the body with bodyName.\n\n",
"check_body_property_in_kernel_pool": "\nCheck if a certain property of a body is in the kernel pool.\n\nThis function checks if a certain property of a body is in the\nkernel pool. These properties are defined in PCK kernels. Their\nnames are given in the kernel file, typical names can be found in\nthe Spice documentation. Wrapper for the `bodfnd_c`_ function.\n\n.. _`bodfnd_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/bodfnd_c.html\n\n\nParameters\n----------\nbody_name\n Name of the body of which the property is to be checked.\nbody_property\n Name of the property of which the presence is to be checked, not case-sensitive.\n\nReturns\n-------\nbool\nTrue if property is in pool, false if not.\n\n",
"get_standard_kernels": "\nGet the paths to the default legacy kernels.\n\n",
"load_standard_kernels": "\nLoad the default legacy kernels.\n\n\nParameters\n----------\nkernel_paths : List[str]\n Optional addition kernels to be loaded.\n",
"get_total_count_of_kernels_loaded": "\nGet the number of spice kernels currently loaded.\n\nThis function returns the amount of Spice kernels that are loaded\ninto the kernel pool. The same kernel can be loaded multiple times.\nWrapper for the `ktotal_c`_ function.\n\n.. _`ktotal_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/ktotal_c.html\n\n\nReturns\n-------\nn_kernels : intNumber of spice kernels currently loaded.\n\n",
"load_kernel": "\nLoads a Spice kernel into the pool.\n\nThis function loads a Spice kernel into the kernel pool, from which\nit can be used by the various internal spice routines. Matters\nregarding the manner in which Spice handles different kernels\ncontaining the same information can be found in the spice required\nreading documentation, kernel section. Wrapper for the `furnsh_c`_\nfunction.\n\n.. _`furnsh_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/furnsh_c.html\n\n\nParameters\n----------\nfile_path : str\n Path to the spice kernel to be loaded.\n",
"clear_kernels": "\nClear all loaded spice kernels.\n\nThis function removes all Spice kernels from the kernel pool.\nWrapper for the `kclear_c`_ function.\n\n.. _`kclear_c`: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/kclear_c.html\n\n",
"SpiceEphemeris": {
"name": "SpiceEphemeris",
"short_summary": "Ephemeris derived class which retrieves the state of a body directly from the SPICE library.",
"deprecation_warning": null,
"extended_summary": "Ephemeris derived class which retrieves the state of a body directly from the SPICE library.\nThe body of which the ephemeris is to be retrieved, as well as the origin and orientation\nof the reference frame in which the states are returned, and any corrections that are\napplied, are defined once during object construction.\n",
"parameters": null,
"attributes": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null,
"methods": [
{
"name": "__init__",
"short_summary": "Constructor.",
"deprecation_warning": null,
"extended_summary": "Constructor, sets the input variables for the calls to the spice function to retrieve state.",
"parameters": [
{
"name": "target_body_name",
"type": null,
"description": "Name of body of which the ephemeris is to be calculated."
},
{
"name": "observer_body_name",
"type": null,
"description": "Name of body relative to which the ephemeris is to be calculated."
},
{
"name": "correct_for_stellar_aberration",
"type": null,
"description": "Boolean whether to correct for stellar Aberration in retrieved values of (observed state).\n"
},
{
"name": "correct_for_light_time_aberration",
"type": null,
"description": "Boolean whether to correct for light time in retrieved values of (observed state).\n"
},
{
"name": "converge_ligh_time_aberration",
"type": null,
"description": "Boolean whether to use single iteration or max. 3 iterations for calculating light time.\n"
},
{
"name": "reference_frame_name",
"type": null,
"description": "Name of the reference frame in which the epehemeris is to be calculated.\n"
},
{
"name": "reference_julian_day",
"type": null,
"description": "Reference julian day w.r.t. which ephemeris is evaluated.\n"
}
],
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
},
{
"name": "get_cartesian_state",
"short_summary": "Get Cartesian state from ephemeris.",
"deprecation_warning": null,
"extended_summary": " Returns Cartesian state from ephemeris at given Julian day.",
"parameters": [
{
"name": "seconds_since_epoch",
"type": "float",
"description": "Seconds since epoch at which ephemeris is to be evaluated."
}
],
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
}
],
"__init__": "\nConstructor.\n\nConstructor, sets the input variables for the calls to the spice function to retrieve state.\n\nParameters\n----------\ntarget_body_name\n Name of body of which the ephemeris is to be calculated.\nobserver_body_name\n Name of body relative to which the ephemeris is to be calculated.\ncorrect_for_stellar_aberration\n Boolean whether to correct for stellar Aberration in retrieved values of (observed state).\n\ncorrect_for_light_time_aberration\n Boolean whether to correct for light time in retrieved values of (observed state).\n\nconverge_ligh_time_aberration\n Boolean whether to use single iteration or max. 3 iterations for calculating light time.\n\nreference_frame_name\n Name of the reference frame in which the epehemeris is to be calculated.\n\nreference_julian_day\n Reference julian day w.r.t. which ephemeris is evaluated.\n\n",
"get_cartesian_state": "\nGet Cartesian state from ephemeris.\n\n Returns Cartesian state from ephemeris at given Julian day.\n\nParameters\n----------\nseconds_since_epoch : float\n Seconds since epoch at which ephemeris is to be evaluated.\n",
"__docstring__": "\nEphemeris derived class which retrieves the state of a body directly from the SPICE library.\n\nEphemeris derived class which retrieves the state of a body directly from the SPICE library.\nThe body of which the ephemeris is to be retrieved, as well as the origin and orientation\nof the reference frame in which the states are returned, and any corrections that are\napplied, are defined once during object construction.\n\n"
}
}
},
"numerical-simulation": {
"type": "package",
"path": "docstrings/numerical-simulation",
"file": "__package__.yaml",
"_implicit_name": "numerical-simulation",
"config": null,
"summary": null,
"extended_summary": null,
"routine_listings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null,
"classes": null,
"functions": null,
"constants": null,
"modules": [
"environment_setup"
],
"name": "numerical-simulation",
"version": null,
"environment_setup": {
"type": "module",
"path": "docstrings/numerical-simulation",
"file": "environment_setup.yaml",
"_implicit_name": "environment_setup",
"config": null,
"summary": null,
"extended_summary": null,
"routine_listings": null,
"see_also": null,
"notes": "None",
"references": null,
"examples": null,
"classes": [
{
"name": "RotationModelSettings",
"short_summary": "Base class for providing settings for automatic rotation model creation.",
"deprecation_warning": null,
"extended_summary": "This class is a functional base class for settings of rotation models that require no information in addition to their type.\nBasic rotation model has constant orientation of the rotation axis (body-fixed z-axis) and constant rotation rate about this axis.\nRotation models requiring additional information must be created using the factory functions which create the specific object derived from this base class.\n",
"parameters": null,
"attributes": [
{
"name": "rotation_type",
"type": "RotationModelType",
"description": "Type of rotation model that is to be created."
},
{
"name": "base_frame",
"type": "str",
"description": "Base frame of rotation model."
},
{
"name": "target_frame",
"type": "str",
"description": null
}
],
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null,
"methods": null
},
{
"name": "GravityFieldSettings",
"short_summary": "Base class for providing settings for automatic gravity field model creation.",
"deprecation_warning": null,
"extended_summary": "This class is a functional base class for settings of gravity field models that require no information in addition to their type.\nGravity field model classes requiring additional information must be created using an object derived from this class.\n",
"parameters": null,
"attributes": [
{
"name": "gravity_field_type",
"type": "GravityFieldType",
"description": "Type of gravity field model that is to be created."
}
],
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null,
"methods": [
{
"name": "__init__",
"short_summary": null,
"deprecation_warning": null,
"extended_summary": null,
"parameters": null,
"returns": null,
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null
}
]
},
{
"name": "CentralGravityFieldSettings",
"short_summary": "`GravityFieldSettings` derived class defining settings of point mass gravity field.",
"deprecation_warning": null,
"extended_summary": "Derived class of `GravityFieldSettings` for central gravity fields, which are defined by a single gravitational parameter.\n",
"parameters": null,
"attributes": [
{
"name": "gravitational_parameter",
"type": "float",
"description": "Gravitational parameter of central gravity field."
}
],
"yields": null,
"other_parameters": null,
"raises": null,
"warns": null,
"warnings": null,
"see_also": null,
"notes": null,
"references": null,
"examples": null,
"methods": null
},
{
"name": "SphericalHarmonicsGravityFieldSettings",
"short_summary": "`GravityFieldSettings` derived class defining settings of spherical harmonic gravity field representation.",
"deprecation_warning": null,
"extended_summary": "Derived class of `GravityFieldSettings` for gravity fields, which are defined by a spherical harmonic gravity field representation.\n",
"parameters": null,
"attributes": [
{
"name": "gravitational_parameter",
"type": "float",
"description": "Gravitational parameter of gravity field."
},
{
"name": "reference_radius",
"type": "float",
"description": "Reference radius of spherical harmonic field expansion."
},