コード例 #1
0
def test_set_param():
    param = get_para()
    elemental_lines = ['Ar_K', 'Fe_K', 'Ce_L', 'Pt_M']

    MS = ModelSpectrum(param, elemental_lines)
    MS.assemble_models()

    # get compton model
    compton = MS.mod.components[0]

    input_param = {'bound_type': 'other', 'max': 13.0, 'min': 9.0, 'value': 11.0}
    _set_parameter_hint('coherent_sct_energy', input_param, compton)
コード例 #2
0
def test_set_param():
    param = get_para()
    elemental_lines = ['Ar_K', 'Fe_K', 'Ce_L', 'Pt_M']

    MS = ModelSpectrum(param, elemental_lines)
    MS.assemble_models()

    # get compton model
    compton = MS.mod.components[0]

    input_param = {'bound_type': 'other', 'max': 13.0, 'min': 9.0,
                   'value': 11.0}
    _set_parameter_hint('coherent_sct_energy', input_param, compton)
コード例 #3
0
ファイル: test_xrf_fit.py プロジェクト: mrakitin/scikit-beam
def test_set_param_hint():
    param = get_para()
    elemental_lines = ['Ar_K', 'Fe_K', 'Ce_L', 'Pt_M']
    bound_options = ['none', 'lohi', 'fixed', 'lo', 'hi']

    MS = ModelSpectrum(param, elemental_lines)
    MS.assemble_models()

    # get compton model
    compton = MS.mod.components[0]

    for v in bound_options:
        input_param = {'bound_type': v, 'max': 13.0, 'min': 9.0, 'value': 11.0}
        _set_parameter_hint('coherent_sct_energy', input_param, compton)
        p = compton.make_params()
        if v == 'fixed':
            assert_equal(p['coherent_sct_energy'].vary, False)
        else:
            assert_equal(p['coherent_sct_energy'].vary, True)
コード例 #4
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def test_set_param_hint():
    param = get_para()
    elemental_lines = ['Ar_K', 'Fe_K', 'Ce_L', 'Pt_M']
    bound_options = ['none', 'lohi', 'fixed', 'lo', 'hi']

    MS = ModelSpectrum(param, elemental_lines)
    MS.assemble_models()

    # get compton model
    compton = MS.mod.components[0]

    for v in bound_options:
        input_param = {'bound_type': v, 'max': 13.0, 'min': 9.0, 'value': 11.0}
        _set_parameter_hint('coherent_sct_energy', input_param, compton)
        p = compton.make_params()
        if v == 'fixed':
            assert_equal(p['coherent_sct_energy'].vary, False)
        else:
            assert_equal(p['coherent_sct_energy'].vary, True)
コード例 #5
0
ファイル: test_xrf_fit.py プロジェクト: mrakitin/scikit-beam
def test_fit():
    param = get_para()
    pileup_peak = ['Si_Ka1-Si_Ka1', 'Si_Ka1-Ce_La1']
    user_peak = ['user_peak1']
    elemental_lines = (['Ar_K', 'Fe_K', 'Ce_L', 'Pt_M'] + pileup_peak +
                       user_peak)
    x0 = np.arange(2000)
    y0 = synthetic_spectrum()
    default_area = 1e5
    x, y = trim(x0, y0, 100, 1300)
    MS = ModelSpectrum(param, elemental_lines)
    MS.assemble_models()

    result = MS.model_fit(x, y, weights=1 / np.sqrt(y + 1), maxfev=200)

    # check area of each element
    for k, v in six.iteritems(result.values):
        if 'area' in k:
            # error smaller than 1e-6
            assert abs(v - default_area) / default_area < 1e-6

    # multiple peak sumed, so value should be larger than one peak area 1e5
    sum_Fe = sum_area('Fe_K', result)
    assert sum_Fe > default_area

    sum_Ce = sum_area('Ce_L', result)
    assert sum_Ce > default_area

    sum_Pt = sum_area('Pt_M', result)
    assert sum_Pt > default_area

    # create full list of parameters
    PC = ParamController(param, elemental_lines)
    new_params = PC.params
    # update values
    update_parameter_dict(new_params, result)
    for k, v in six.iteritems(new_params):
        if 'area' in k:
            assert_equal(v['value'], result.values[k])
コード例 #6
0
def test_fit():
    param = get_para()
    pileup_peak = ['Si_Ka1-Si_Ka1', 'Si_Ka1-Ce_La1']
    user_peak = ['user_peak1']
    elemental_lines = (['Ar_K', 'Fe_K', 'Ce_L', 'Pt_M'] + pileup_peak +
                       user_peak)
    x0 = np.arange(2000)
    y0 = synthetic_spectrum()
    default_area = 1e5
    x, y = trim(x0, y0, 100, 1300)
    MS = ModelSpectrum(param, elemental_lines)
    MS.assemble_models()

    result = MS.model_fit(x, y, weights=1/np.sqrt(y+1), maxfev=200)

    # check area of each element
    for k, v in six.iteritems(result.values):
        if 'area' in k:
            # error smaller than 1e-6
            assert_true(abs(v - default_area)/default_area < 1e-6)

    # multiple peak sumed, so value should be larger than one peak area 1e5
    sum_Fe = sum_area('Fe_K', result)
    assert_true(sum_Fe > default_area)

    sum_Ce = sum_area('Ce_L', result)
    assert_true(sum_Ce > default_area)

    sum_Pt = sum_area('Pt_M', result)
    assert_true(sum_Pt > default_area)

    # create full list of parameters
    PC = ParamController(param, elemental_lines)
    new_params = PC.params
    # update values
    update_parameter_dict(new_params, result)
    for k, v in six.iteritems(new_params):
        if 'area' in k:
            assert_equal(v['value'], result.values[k])