Want_CMB_lensing – ( boolean) Calculate the lensing potential power spectrumĭoLensing – ( boolean) Include CMB lensing Want_CMB – ( boolean) Calculate the temperature and polarization power spectra Want_cl_2D_array – ( boolean) For the C_L, include NxN matrix of all possible cross-spectra between sources WantDerivedParameters – ( boolean) Calculate derived parameters WantVectors – ( boolean) Calculate vector modes WantTensors – ( boolean) Calculate tensor modes WantScalars – ( boolean) Calculates scalar modes WantTransfer – ( boolean) Calculate matter transfer functions and matter power spectrum Alternatively the convenience function t_params()Ĭan construct a complete instance from a dictionary of relevant parameters. In python, to set cosmology parameters it is usually best to use set_cosmology() andĮquivalent methods for most other parameters. You can view the set of underlying parameters used by the Fortran code by printing the CAMBparams instance. You could also modify the wrapper functions to set the field value less directly. Python version you can then access the parameter by using params.new_parameter_name where params is a CAMBparams To add a new parameter, add it to the CAMBparams type in model.f90, then edit the _fields_ list in the CAMBparamsĬlass in model.py to add the new parameter in the corresponding location of the member list. When a new object is instantiated, default parameters are set automatically. Object storing the parameters for a CAMB calculation, including cosmological parameters and Input parameter model ¶ class camb.model.
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