Example #1
0
    def test_SpatialReceptiveField_reverse_locations(self):

        alts = [-2., -1., 0., 1., 2.]
        azis = [-2., -1., 0., 1., 2.]

        map = np.array([[0., 0., 0., 0., 0.], [0., 0., 0., 0., 0.],
                        [0., 0., 1., 1., 0.], [0., 0., 1., 1., 0.],
                        [0., 0., 0., 0., 0.]])

        srf = sca.SpatialReceptiveField(mask=map,
                                        altPos=alts,
                                        aziPos=azis,
                                        sign='ON')
        # print(srf.get_weighted_rf_center())
        assert (srf.get_weighted_rf_center() == [0.5, 0.5])

        srf2 = sca.SpatialReceptiveField(mask=map,
                                         altPos=alts[::-1],
                                         aziPos=azis,
                                         sign='ON')
        assert (srf2.get_weighted_rf_center() == [-0.5, 0.5])

        srf_f = srf.gaussian_filter(sigma=1)
        # print(srf_f.get_weighted_rf_center())

        srf2_f = srf2.gaussian_filter(sigma=1)
        # print(srf2_f.get_weighted_rf_center())
        assert (abs(srf_f.get_weighted_rf_center()[0] +
                    srf2_f.get_weighted_rf_center()[0]) < 1e-10)

        srf_fi = srf_f.interpolate(ratio=2, method='linear')
        # print(srf_fi.get_weighted_mask())
        # print(srf_fi.get_weighted_rf_center())

        # import matplotlib.pyplot as plt
        # f=plt.figure()
        # ax=f.add_subplot(111)
        # srf_fi.plot_rf(plot_axis=ax, tick_spacing=1)
        # plt.show()

        srf_fit = srf_fi.threshold(thr=0.4)
        # print(srf_fit.get_weighted_rf_center())
        assert (srf_fit.get_weighted_rf_center()[0] - 0.5 < 0.05)

        srf2_fi = srf2_f.interpolate(ratio=2, method='linear')
        # print(srf2_fi.get_weighted_mask())
        # print(srf2_fi.get_weighted_rf_center())

        assert (np.array_equal(srf_fi.get_weighted_mask(),
                               srf2_fi.get_weighted_mask()))
        assert (abs(srf_fi.get_weighted_rf_center()[0] +
                    srf2_fi.get_weighted_rf_center()[0]) < 1e-10)
Example #2
0
 def test_SpatialReceptiveField_interpolate(self):
     SRF = sca.SpatialReceptiveField(np.random.rand(5, 5),
                                     np.arange(5)[::-1], np.arange(5))
     SRF_i = SRF.interpolate(5)
     assert (SRF_i.get_weighted_mask().shape == (20, 20))
Example #3
0
 def test_SpatialReceptiveField(self):
     SRF = sca.SpatialReceptiveField(
         np.arange(9).reshape((3, 3)), np.arange(3), np.arange(3))
     assert (np.array_equal(SRF.weights, np.arange(1, 9)))
Example #4
0
 def test_SpatialReceptiveField_thresholdReceptiveField(self):
     SRF = sca.SpatialReceptiveField(
         np.arange(9).reshape((3, 3)), np.arange(3), np.arange(3))
     thresholdedSRF = SRF.threshold(thr=4)
     assert (np.array_equal(thresholdedSRF.weights, np.arange(4, 9)))
                    _, rf_off_new = dt.get_rf_properties(
                        srf=srf_off,
                        polarity='negative',
                        sigma=analysis_params['gaussian_filter_sigma_rf'],
                        interpolate_rate=analysis_params[
                            'interpolate_rate_rf'],
                        z_thr_abs=analysis_params['rf_z_thr_abs'],
                        z_thr_rel=analysis_params['rf_z_thr_rel'])
                else:
                    raise ValueError

                rf_on_mask = rf_on_new.get_weighted_mask()
                rf_off_mask = rf_off_new.get_weighted_mask()
                rf_onoff_new = sca.SpatialReceptiveField(
                    mask=np.max([rf_on_mask, rf_off_mask], axis=0),
                    altPos=rf_on_new.altPos,
                    aziPos=rf_on_new.aziPos,
                    sign='ON_OFF',
                    thr=analysis_params['rf_z_thr_abs'])

                curr_s2_grp = s2_grp.create_group(roi_row['roi_n'])
                rf_onoff_new.to_h5_group(curr_s2_grp)

                curr_s1_on_grp = s1_on_grp.create_group(roi_row['roi_n'])
                rf_on_new.to_h5_group(curr_s1_on_grp)

                curr_s1_off_grp = s1_off_grp.create_group(roi_row['roi_n'])
                rf_off_new.to_h5_group(curr_s1_off_grp)

        # positive S1 ON
        s1_on_df = subdf[(subdf['rf_{}_on_peak_z'.format(response_dir)] >=
                          analysis_params['rf_z_thr_abs'])