示例#1
0
def eval_identical_twin(idir):
    header = 'case,run,icevolerr,rmsebed,rmsesurf,biasbed,biassurf,' \
             'corr,rmsefg,biasfg,iterations,' \
             'maxbeddiffglacier,maxbeddiffdomain,' \
             'minbeddiffglacier,minbeddiffdomain,' \
             'voloutsidebounds\n'
    row = '{case:s},{run:s},{dV:.2f},{rmsebed:.1f},{rmsesurf:.1f},' \
          '{biasbed:.1f},{biassurf:.1f},{corr:.3f},{rmsefg:.1f},' \
          '{biasfg:.1f},{iterations:d},' \
          '{maxbeddiffglacier:.1f},{maxbeddiffdomain:.1f},' \
          '{minbeddiffglacier:.1f},{minbeddiffdomain:.1f},' \
          '{voloutsidebounds:.9f}'
    # TODO: max_bed_diff?
    dl = load_pickle(idir.get_subdir_filepath('data_logger'))
    vals = {}
    vals['case'] = dl.case.name
    vals['run'] = idir.inv_settings['inversion_subdir']
    ref_it = np.load(idir.gdir.get_filepath('ref_ice_thickness'))
    mod_it = (dl.surfs[-1] - dl.beds[-1])
    ref_vol = ref_it.sum()
    mod_vol = mod_it.sum()
    vals['dV'] = (mod_vol - ref_vol) / ref_vol * 1e2
    ref_ice_mask = np.load(idir.gdir.get_filepath('ref_ice_mask'))
    vals['rmsebed'] = RMSE(dl.true_bed, dl.beds[-1], ref_ice_mask)
    vals['rmsesurf'] = RMSE(dl.ref_surf, dl.surfs[-1], ref_ice_mask)
    vals['rmsefg'] = RMSE(dl.true_bed, dl.first_guessed_bed, ref_ice_mask)

    vals['biasbed'] = mean_BIAS(dl.beds[-1], dl.true_bed, ref_ice_mask)
    vals['biassurf'] = mean_BIAS(dl.surfs[-1], dl.ref_surf, ref_ice_mask)
    vals['biasfg'] = mean_BIAS(dl.first_guessed_bed, dl.true_bed,
                               ref_ice_mask)

    masked_true_it = np.ma.masked_array(dl.ref_surf - dl.true_bed,
                                         mask=np.logical_not(ref_ice_mask))
    masked_mod_it = np.ma.masked_array(dl.surfs[-1] - dl.beds[-1],
                                         mask=np.logical_not(ref_ice_mask))
    # TODO: ice thickness
    vals['corr'] = np.ma.corrcoef(masked_true_it.flatten(),
                                  masked_mod_it.flatten())[0, 1]
    vals['iterations'] = len(dl.step_indices)
    #vals['maxbeddiff'] = np.max((dl.beds[-1] - dl.true_bed) * ref_ice_mask)
    vals['maxbeddiffglacier'] = np.max((dl.beds[-1] - dl.true_bed) *
                                         ref_ice_mask)
    vals['maxbeddiffdomain'] = np.max(dl.beds[-1] - dl.true_bed)
    #vals['minbeddiff'] = np.min((dl.beds[-1] - dl.true_bed) * ref_ice_mask)
    vals['minbeddiffglacier'] = np.min((dl.beds[-1] - dl.true_bed) *
                                        ref_ice_mask)
    vals['minbeddiffdomain'] = np.min(dl.beds[-1] - dl.true_bed)
    vals['voloutsidebounds'] = np.sum((dl.surfs[-1] - dl.beds[-1])
                                      * (1 - ref_ice_mask)) * 1e-9
    data_row = row.format(**vals)

    with open(idir.get_subdir_filepath('results'), 'w') as f:
        f.writelines([header, data_row])

    return [header, data_row]
示例#2
0
    def iteration_info_callback(self, x0):
        i = len(self.data_logger.costs) - 1
        if i >= 0:
            dl = self.data_logger
            dl.step_indices.append(i)
            b = self.true_bed
            log_entry = '''
            ----------------------------------------------
            Function Call: {func_call:d}
            Iteration: {iteration:d}
            Cost: {cost:g}
            Bed RMSE: {bed_rmse:g}
            Bed Bias: {bed_bias:g}
            Bed Max_diff: {bed_maxdiff:g}
            Surface RMSE: {surf_rmse:g}
            Surface Max_diff: {surf_maxdiff:g}
            '''
            myargs = {
                'func_call': i,
                'iteration': len(dl.step_indices),
                'cost': dl.costs[i],
                'bed_rmse': RMSE(dl.beds[i], b),
                'bed_bias': mean_BIAS(dl.beds[i], b, np.sum(self.ice_mask)),
                'bed_maxdiff': np.max(np.abs(dl.beds[i] - b)),
                'surf_rmse': RMSE(dl.surfs[i], self.ref_surf),
                'surf_maxdiff': np.max(np.abs(dl.surfs[i] - self.ref_surf))
            }

            if self.surf_noise is not None:
                log_entry += 'RMSE to perturbed surf: {:g}\n'.format(
                    RMSE(dl.surfs[i], self.ref_surf + self.surf_noise))
            log_entry = log_entry.format(**myargs)
            print(log_entry)
            self.minimize_log += log_entry
示例#3
0
    if os.path.exists(
            os.path.join(gdir.dir, inv_subdir, 'bed_measurements.pkl')):
        bed_measurements = np.load(
            os.path.join(gdir.dir, inv_subdir, 'bed_measurements.pkl'))
    warning_found = False
    # first_guessed_bed_noise = np.load(os.path.join(gdir.dir, inv_subdir,
    # 'first_guessed_bed_noise.npy'))
    if os.path.exists(os.path.join(gdir.dir, inv_subdir, 'warning.txt')):
        warning_found = True

    if len(dl.step_indices) > 0:
        final_bed = dl.beds[-1]
        final_surf = dl.surfs[-1]
        final_it = dl.surfs[-1] - dl.beds[-1]
        bed_rmse = RMSE(dl.beds[-1], true_bed, ref_ice_mask)
        bed_bias = mean_BIAS(dl.beds[-1], true_bed, ref_ice_mask)
        bed_error = final_bed - true_bed
        surf_rmse = RMSE(dl.surfs[-1], true_surf, ref_ice_mask)
        surf_bias = mean_BIAS(dl.surfs[-1], true_surf, ref_ice_mask)
        surf_error = final_surf - true_surf
        dV = (((dl.surfs[-1] - dl.beds[-1]).sum()) -
              (true_surf - true_bed).sum()) / (true_surf - true_bed).sum()
    else:
        final_bed = np.ma.masked_all(true_bed.shape)
        final_surf = np.ma.masked_all(true_bed.shape)
        final_it = np.ma.masked_all(true_bed.shape)
        bed_error = np.ma.masked_all(true_bed.shape)
        bed_rmse = np.nan
        bed_bias = np.nan
        surf_error = np.ma.masked_all(true_bed.shape)
        surf_rmse = np.nan
示例#4
0
ax.plot([min, max], [min, max], color='k', linestyle='dotted',
        label='$y = x$')
ax.legend()
ax.set_xlabel('Finite difference derivative (m$^{-1}$)')
ax.set_ylabel('PyTorch derivative (m$^{-1}$)')
# plt.axis('equal')
ax.yaxis.set_ticks_position('right')
ax.yaxis.set_label_position('right')
plt.tight_layout()
# plt.show()
fname = '{:s}_scatter_plot_grad.{:s}'.format(case.name, file_extension)
plt.savefig(os.path.join(output_dir, fname))
plt.close(fig)

print('Correlation coefficient:')
print(np.corrcoef(x_data, y_data))
print('Bias:')
print(mean_BIAS(x_data, y_data))
print('RMSE:')
print(RMSE(x_data, y_data))
print('Abs mean:')
print(np.abs(x_data).mean())
print(np.abs(y_data).mean())
y_data2 = 1 / poly[1] * y_data
print('Bias2:')
print(mean_BIAS(x_data, y_data2))
print('RMSE2:')
print(RMSE(x_data, y_data2))

print('end')