diff --git a/demos/getting_started_1.py b/demos/getting_started_1.py index b261743b0902305950bf3f99a36cb38669e207ee..8dbc52070e944786b8c78d8f56febf5e3f7ff767 100644 --- a/demos/getting_started_1.py +++ b/demos/getting_started_1.py @@ -21,6 +21,8 @@ # 1D (set mode=0), 2D (mode=1), or on the sphere (mode=2) ############################################################################### +import sys + import numpy as np import nifty5 as ift @@ -51,7 +53,6 @@ def mask_to_nan(mask, field): if __name__ == '__main__': - import sys np.random.seed(42) # Choose space on which the signal field is defined @@ -140,7 +141,7 @@ if __name__ == '__main__': # Plotting rg = isinstance(position_space, ift.RGSpace) plot = ift.Plot() - filename = f"getting_started_1_mode_{mode}.png" + filename = "getting_started_1_mode_{}.png".format(mode) if rg and len(position_space.shape) == 1: plot.add( [HT(MOCK_SIGNAL), GR.adjoint(data), @@ -155,4 +156,4 @@ if __name__ == '__main__': plot.add(HT(m), title='Reconstruction') plot.add(mask_to_nan(mask, HT(m - MOCK_SIGNAL)), title='Residuals') plot.output(nx=2, ny=2, xsize=10, ysize=10, name=filename) - print(f"Saved results as '{filename}'.") + print("Saved results as '{}'.".format(filename)) diff --git a/demos/getting_started_2.py b/demos/getting_started_2.py index a1acc7296e2cab96502b6bc0c6e4034abc22b3be..18c8f025ad006c26d6f854ab1e1aa5f1f25f93fb 100644 --- a/demos/getting_started_2.py +++ b/demos/getting_started_2.py @@ -21,6 +21,8 @@ # 1D (set mode=0), 2D (mode=1), or on the sphere (mode=2) ############################################################################### +import sys + import numpy as np import nifty5 as ift @@ -42,8 +44,6 @@ def exposure_2d(): if __name__ == '__main__': - import sys - # FIXME All random seeds to 42 np.random.seed(42) # Choose space on which the signal field is defined @@ -112,11 +112,11 @@ if __name__ == '__main__': # Plotting signal = sky(mock_position) reconst = sky(H.position) - filename = f"getting_started_2_mode_{mode}.png" + filename = "getting_started_2_mode_{}.png".format(mode) plot = ift.Plot() plot.add(signal, title='Signal') plot.add(GR.adjoint(data), title='Data') plot.add(reconst, title='Reconstruction') plot.add(reconst - signal, title='Residuals') plot.output(xsize=12, ysize=10, name=filename) - print(f"Saved results as '{filename}'.") + print("Saved results as '{}'.".format(filename)) diff --git a/demos/getting_started_3.py b/demos/getting_started_3.py index c69f059c5f55e94570dc66ef9f8bbcfc9d8b6e8b..a4f6458ff3e6713d3bc228198b3e43ca7fedc5c5 100644 --- a/demos/getting_started_3.py +++ b/demos/getting_started_3.py @@ -25,6 +25,8 @@ # Demo takes a while to compute ############################################################# +import sys + import numpy as np import nifty5 as ift @@ -43,8 +45,7 @@ def radial_los(n_los): if __name__ == '__main__': - import sys - np.random.seed(420) # picked for a nice field realization + np.random.seed(420) # Choose between random line-of-sight response (mode=0) and radial lines # of sight (mode=1) @@ -52,7 +53,7 @@ if __name__ == '__main__': mode = int(sys.argv[1]) else: mode = 0 - filename = f"getting_started_3_mode_{mode}_" + "{}.png" + filename = "getting_started_3_mode_{}_".format(mode) + "{}.png" position_space = ift.RGSpace([128, 128]) harmonic_space = position_space.get_default_codomain() @@ -135,7 +136,7 @@ if __name__ == '__main__': plot.add(signal(KL.position), title="reconstruction") plot.add([A.force(KL.position), A.force(mock_position)], title="power") plot.output(ny=1, ysize=6, xsize=16, - name=filename.format(f"loop_{i:02}")) + name=filename.format("loop_{:02d}".format(i))) # Draw posterior samples KL = ift.MetricGaussianKL(mean, H, N_samples) @@ -156,4 +157,4 @@ if __name__ == '__main__': title="Sampled Posterior Power Spectrum", linewidth=[1.]*len(powers) + [3., 3.]) plot.output(ny=1, nx=3, xsize=24, ysize=6, name=filename_res) - print(f"Saved results as '{filename_res}'.") + print("Saved results as '{}'.".format(filename_res))