Example #1
0
import numpy as np
import time
import emcee
from multiprocessing import Pool

dir_repo = str(pathlib.Path(__file__).parent.absolute()) + '/../..'
dir_KLens = dir_repo + '/KLens'
sys.path.append(dir_KLens)
dir_binnedFit = dir_repo + '/BinnedFit'
sys.path.append(dir_binnedFit)
sys.path.append(dir_binnedFit + '/tests')
from get_pars import get_pars0
from gen_mocks import gen_mock_tfCube
from gamma import GammaInference

pars, _ = get_pars0()
dataInfo = gen_mock_tfCube(pars, 'Halpha', slits='both', noise_mode=0)

# ----------------------
GI = GammaInference(dataInfo,
                    active_par_key=[
                        'vcirc', 'sini', 'vscale', 'r_0', 'v_0', 'g1', 'g2',
                        'r_hl_image', 'theta_int', 'flux'
                    ],
                    par_fix=None,
                    vTFR_mean=200.)

chainInfo = GI.run_MCMC(Nwalker=20,
                        Nsteps=4,
                        outfile_MCMC="./chain_Ha_noise0.pkl",
                        save_step_size=2)
Example #2
0
    # change dataInfo['spec'] = [2Darr_1, 2Darr_2] from a list of np.array to be a list of Spec2D objects
    # making Spec2D objects
    for j in range(len(dataInfo['spec'])):
        dataInfo['spec'][j] = Spec2D(array=dataInfo['spec'][j],
                                     array_var=dataInfo['spec_variance'][j],
                                     spaceGrid=dataInfo['spaceGrid'],
                                     lambdaGrid=dataInfo['lambdaGrid'],
                                     line_species=line_species,
                                     z=dataInfo['par_fid']['redshift'],
                                     auto_cut=False)

    # make Image object
    dataInfo['image'] = Image(dataInfo['image'],
                              dataInfo['spaceGrid'],
                              array_var=dataInfo['image_variance'])

    dataInfo['eint_thy'] = eint_thy

    return dataInfo


if __name__ == '__main__':
    sys.path.append(dir_binnedFit + '/tests')
    from get_pars import get_pars0

    pars, line_species = get_pars0()
    dataInfo = gen_mock_tfCube(pars, line_species, slits='major', noise_mode=0)

    #dataInfo['image'].display(xlim=[-2,2])