parameter atran introduced
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@ -24,11 +24,13 @@ This component models the behaviour of an atmosphere which has a spectral transm
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Attributes:
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Attributes:
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* | **transmittance:** str
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* | **transmittance:** str
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| The path to the file containing the spectral transmittance coefficients. For details on the required file structure see also :ref:`reading_csv`. If the output of ATRAN is given, the emission parameter is not available. Instead the parameter temp is used for the atmospheric emission.
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| The path to the file containing the spectral transmittance coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **atran:** str
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| Path to a file containing the output of ATRAN. In this case, the parameter emission is not available. Instead the parameter temp is used for the atmospheric emission.
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* | **emission:** str, *optional*
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* | **emission:** str, *optional*
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| The path to the file containing the spectral radiance of the emission. For details on the required file structure see also :ref:`reading_csv`.
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| The path to the file containing the spectral radiance of the emission. For details on the required file structure see also :ref:`reading_csv`. This option is only available, if the parameter transmittance is given.
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* | **temp:** str, *optional*
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* | **temp:** float, *optional*
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| The atmospheric temperature used for black body emission using the complement of the ATRAN tranmittance.
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| The atmospheric temperature used for black body emission (only available for an ATRAN input).
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* | **temp_unit:** str, *optional* = "K"
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* | **temp_unit:** str, *optional* = "K"
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| Unit of the atmospheric temperature used for black body emission using the complement of the ATRAN tranmittance.
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| Unit of the atmospheric temperature used for black body emission using the complement of the ATRAN tranmittance.
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@ -22,17 +22,20 @@ class Atmosphere(AOpticalComponent):
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----------
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----------
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parent : IRadiant
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parent : IRadiant
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The parent element of the atmosphere from which the electromagnetic radiation is received.
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The parent element of the atmosphere from which the electromagnetic radiation is received.
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This element is usually of type Target or StrayLight.
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transmittance : str
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transmittance : str
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Path to the file containing the spectral transmittance-coefficients of the atmosphere.
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Path to the file containing the spectral transmittance-coefficients of the atmosphere.
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The format of the file will be guessed by `astropy.io.ascii.read()`.
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The format of the file will be guessed by `astropy.io.ascii.read()`.
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atran : str
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Path to the ATRAN output file containing the spectral transmittance-coefficients of the atmosphere.
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emission : str
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emission : str
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Path to the file containing the spectral radiance of the atmosphere.
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Path to the file containing the spectral radiance of the atmosphere.
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The format of the file will be guessed by `astropy.io.ascii.read()`.
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The format of the file will be guessed by `astropy.io.ascii.read()`.
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temp : u.Quantity
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The atmospheric temperature for the atmosphere's black body radiation.
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"""
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"""
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args = dict()
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args = dict()
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if "temp" in kwargs:
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if "atran" in kwargs:
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args = self._fromATRAN(**kwargs)
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args = self._fromATRAN(**kwargs)
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elif "transmittance" in kwargs:
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elif "transmittance" in kwargs:
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args = self._fromFiles(**kwargs)
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args = self._fromFiles(**kwargs)
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@ -48,13 +51,17 @@ class Atmosphere(AOpticalComponent):
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----------
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----------
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parent : IRadiant
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parent : IRadiant
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The parent element of the atmosphere from which the electromagnetic radiation is received.
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The parent element of the atmosphere from which the electromagnetic radiation is received.
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This element is usually of type Target or StrayLight.
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transmittance : str
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transmittance : str
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Path to the file containing the spectral transmittance-coefficients of the atmosphere.
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Path to the file containing the spectral transmittance-coefficients of the atmosphere.
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The format of the file will be guessed by `astropy.io.ascii.read()`.
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The format of the file will be guessed by `astropy.io.ascii.read()`.
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emission : str
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emission : str
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Path to the file containing the spectral radiance of the atmosphere.
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Path to the file containing the spectral radiance of the atmosphere.
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The format of the file will be guessed by `astropy.io.ascii.read()`.
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The format of the file will be guessed by `astropy.io.ascii.read()`.
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Returns
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-------
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args : dict
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The arguments for the class instantiation.
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"""
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"""
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# Read the transmittance
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# Read the transmittance
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transmittance = SpectralQty.fromFile(transmittance, wl_unit_default=u.nm,
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transmittance = SpectralQty.fromFile(transmittance, wl_unit_default=u.nm,
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@ -66,20 +73,39 @@ class Atmosphere(AOpticalComponent):
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qty_unit_default=u.W / (u.m ** 2 * u.nm * u.sr))
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qty_unit_default=u.W / (u.m ** 2 * u.nm * u.sr))
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return {"parent": parent, "transmittance": transmittance, "emission": emission}
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return {"parent": parent, "transmittance": transmittance, "emission": emission}
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def _fromATRAN(self, parent: IRadiant, transmittance: str, temp: u.Quantity):
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def _fromATRAN(self, parent: IRadiant, atran: str, temp: u.Quantity = None):
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transmittance = "data_sofia/atmospheric_transmittance.dat"
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"""
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Initialize a new atmosphere model from an ATRAN output file
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Parameters
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----------
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parent : IRadiant
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The parent element of the atmosphere from which the electromagnetic radiation is received.
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atran : str
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Path to the ATRAN output file containing the spectral transmittance-coefficients of the atmosphere.
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temp : u.Quantity
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The atmospheric temperature for the atmosphere's black body radiation.
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Returns
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-------
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args : dict
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The arguments for the class instantiation.
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"""
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# Read the file
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# Read the file
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data = ascii.read(transmittance, format=None)
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data = ascii.read(atran, format=None)
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# Set units
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# Set units
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data["col2"].unit = u.um
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data["col2"].unit = u.um
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data["col3"].unit = u.dimensionless_unscaled
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data["col3"].unit = u.dimensionless_unscaled
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# Create spectral quantity
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# Create spectral quantity
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transmittance = SpectralQty(data["col2"].quantity, data["col3"].quantity)
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transmittance = SpectralQty(data["col2"].quantity, data["col3"].quantity)
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# Create black body
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if temp is not None:
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bb = self.__gb_factory(temp)
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# Create black body
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# Calculate emission
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bb = self.__gb_factory(temp)
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emission = SpectralQty(transmittance.wl, bb(transmittance.wl)) * transmittance
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# Calculate emission
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emission = SpectralQty(transmittance.wl, bb(transmittance.wl)) * transmittance
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else:
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emission = 0
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return {"parent": parent, "transmittance": transmittance, "emission": emission}
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return {"parent": parent, "transmittance": transmittance, "emission": emission}
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@staticmethod
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@staticmethod
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@ -97,13 +123,23 @@ class Atmosphere(AOpticalComponent):
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mes : Union[None, str]
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mes : Union[None, str]
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The error message of the check. This will be None if the check was successful.
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The error message of the check. This will be None if the check was successful.
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"""
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"""
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mes = conf.check_file("transmittance")
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if hasattr(conf, "transmittance"):
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if mes is not None:
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mes = conf.check_file("transmittance")
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return mes
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if hasattr(conf, "emission"):
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mes = conf.check_file("emission")
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if mes is not None:
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if mes is not None:
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return mes
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return mes
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if hasattr(conf, "emission"):
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mes = conf.check_file("emission")
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if mes is not None:
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return mes
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else:
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mes = conf.check_file("atran")
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if mes is not None:
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return mes
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if hasattr(conf, "temp"):
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mes = conf.check_quantity("temp", u.K)
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if mes is not None:
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return mes
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@staticmethod
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@staticmethod
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@u.quantity_input(temp=[u.Kelvin, u.Celsius])
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@u.quantity_input(temp=[u.Kelvin, u.Celsius])
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