This commit is contained in:
Anastasiia Kutakh
2021-08-24 11:31:35 -04:00
parent d0bca7633b
commit e7c15273fa
2 changed files with 46 additions and 42 deletions
+1 -1
View File
@@ -62,7 +62,7 @@ class PolarizedFancyPtycho(FancyPtycho):
@classmethod
def from_dataset(cls, dataset, probe_size=None, randomize_ang=0, padding=0, n_modes=1, dm_rank=None, translation_scale = 1, saturation=None, probe_support_radius=None, propagation_distance=None, restrict_obj=-1, scattering_mode=None, oversampling=1, auto_center=False, opt_for_fft=False, loss='amplitude mse', units='um', left_polarized=True):
model = FancyPtycho.from_dataset(dataset, probe_size=None, randomize_ang=0, padding=0, n_modes=1, dm_rank=None, translation_scale = 1, saturation=None, probe_support_radius=None, propagation_distance=None, scattering_mode=None, oversampling=1, auto_center=False, opt_for_fft=False, loss='amplitude mse', units='um')
model = FancyPtycho.from_dataset(dataset, probe_size=None, randomize_ang=0, padding=0, n_modes=1, dm_rank=None, translation_scale = 1, saturation=None, probe_support_radius=None, propagation_distance=None, scattering_mode=None, oversampling=1, auto_center=False, opt_for_fft=False, loss='amplitude mse', units='um', left_polarized=True)
# Mutate the class to its subclass
+45 -41
View File
@@ -17,7 +17,11 @@ from matplotlib import ticker, patheffects
__all__ = ['colorize', 'plot_amplitude', 'plot_phase',
'plot_colorized', 'plot_translations', 'get_units_factor',
'plot_nanomap', 'plot_real', 'plot_imag',
'plot_nanomap_with_images']
'plot_nanomap_with_images',
'polarized_plot_component_amplitudes',
'polarized_plot_phase_ret',
'polarized_plot_global_phases',
'polarized_plot_ellipses']
def colorize(z):
@@ -84,7 +88,7 @@ def get_units_factor(units):
def plot_image(im, plot_func=lambda x: x, fig=None, basis=None, units='$\\mu$m', cmap='viridis', cmap_label=None, **kwargs):
"""Plots an image with a colorbar and on an appropriate spatial grid
If a figure is given explicitly, it will clear that existing figure and
plot over it. Otherwise, it will generate a new figure.
@@ -94,7 +98,7 @@ def plot_image(im, plot_func=lambda x: x, fig=None, basis=None, units='$\\mu$m',
Finally, if a function is passed to the plot_func argument, this function
will be called on each slice of data before it is plotted. This is used
internally to enable the plot_real, plot_image, plot_phase, etc. functions.
Parameters
----------
@@ -120,7 +124,7 @@ def plot_image(im, plot_func=lambda x: x, fig=None, basis=None, units='$\\mu$m',
used_fig : matplotlib.figure.Figure
The figure object that was actually plotted to.
"""
# convert to numpy
if isinstance(im, t.Tensor):
# If final dimension is 2, assume it is a complex array. If not,
@@ -142,7 +146,7 @@ def plot_image(im, plot_func=lambda x: x, fig=None, basis=None, units='$\\mu$m',
title = plt.gca().get_title()
fig.clear()
# If im only has two dimensions, this reshape will add a leading
# dimension, and update will be called on index 0. If it has 3 or more
# dimensions, then all the leading dimensions will be compressed into
@@ -151,9 +155,9 @@ def plot_image(im, plot_func=lambda x: x, fig=None, basis=None, units='$\\mu$m',
reshaped_im = im.reshape(-1,s[-2],s[-1])
num_images = reshaped_im.shape[0]
fig.plot_idx = idx % num_images
to_plot = plot_func(reshaped_im[fig.plot_idx])
#Plot in a basis if it exists, otherwise dont
if basis is not None:
if isinstance(basis,t.Tensor):
@@ -181,7 +185,7 @@ def plot_image(im, plot_func=lambda x: x, fig=None, basis=None, units='$\\mu$m',
plt.xlabel('j (pixels)')
plt.ylabel('i (pixels)')
plt.title(title)
if len(im.shape) >= 3:
@@ -194,14 +198,14 @@ def plot_image(im, plot_func=lambda x: x, fig=None, basis=None, units='$\\mu$m',
result = make_plot(0)
update = make_plot
def on_action(event):
if not hasattr(event, 'button'):
event.button = None
if not hasattr(event, 'key'):
event.key = None
if event.key == 'up' or event.button == 'up':
update(fig.plot_idx - 1)
elif event.key == 'down' or event.button == 'down':
@@ -217,9 +221,9 @@ def plot_image(im, plot_func=lambda x: x, fig=None, basis=None, units='$\\mu$m',
fig.my_callbacks = []
fig.my_callbacks.append(fig.canvas.mpl_connect('key_press_event',on_action))
fig.my_callbacks.append(fig.canvas.mpl_connect('scroll_event',on_action))
return result
def plot_real(im, fig = None, basis=None, units='$\\mu$m', cmap='viridis', cmap_label='Real Part (a.u.)', **kwargs):
"""Plots the real part of a complex array with dimensions NxM
@@ -256,7 +260,7 @@ def plot_real(im, fig = None, basis=None, units='$\\mu$m', cmap='viridis', cmap_
return plot_image(im, plot_func=plot_func, fig=fig, basis=basis,
units=units, cmap=cmap, cmap_label=cmap_label,
**kwargs)
def plot_imag(im, fig = None, basis=None, units='$\\mu$m', cmap='viridis', cmap_label='Imaginary Part (a.u.)', **kwargs):
@@ -304,7 +308,7 @@ def plot_amplitude(im, fig = None, basis=None, units='$\\mu$m', cmap='viridis',
If a basis is explicitly passed, the image will be plotted in real-space
coordinates.
Parameters
----------
im : array
@@ -520,12 +524,12 @@ def plot_nanomap(translations, values, fig=None, units='$\\mu$m', convention='pr
def plot_nanomap_with_images(translations, get_image_func, values=None, mask=None, basis=None, fig=None, nanomap_units='$\\mu$m', image_units='$\\mu$m', convention='probe', image_title='Image', image_colorbar_title='Image Amplitude', nanomap_colorbar_title='Integrated Intensity', cmap='viridis', **kwargs):
"""Plots a nanomap, with an image or stack of images for each point
In many situations, ptychography data or the output of ptychography
reconstructions is formatted as a set of images associated with various
points in real space. This function is designed to allow for browsing
through this kind of data, by making it possible to visualize a
"""
# This should pull heavily from the dataset.inspect function
@@ -558,11 +562,11 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
s0 = bbox.width * bbox.height / translations.shape[0] * 72**2 #72 is points per inch
s0 /= 4 # A rough value to make the size work out
s = np.ones(translations.shape[0]) * s0
s[idx] *= 4
return s
def update_colorbar(im):
#
# This solves the problem of the colorbar being changed
@@ -571,29 +575,29 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
if hasattr(im, 'norecurse') and im.norecurse:
im.norecurse=False
return
im.norecurse=True
# This is needed to update the colorbar
# only change limits if array contains multiple values
if np.min(im.get_array()) != np.max(im.get_array()):
im.set_clim(vmin=np.min(im.get_array()),
vmax=np.max(im.get_array()))
#
# The meatiest part of this program, here we just go through and
# set up the plot how we want it
#
# First we set up the left-hand plot, which shows an overview map
axes[0].set_title('Relative Displacement Map')
translations = translations.detach().cpu().numpy()
if convention.lower() != 'probe':
translations = translations * -1
s = calculate_sizes(0)
nanomap_units_factor = get_units_factor(nanomap_units)
nanomap = axes[0].scatter(nanomap_units_factor * translations[:,0],
nanomap_units_factor * translations[:,1],
@@ -614,7 +618,7 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
# where the colorbar should have been to avoid stretching the
# nanomap plot, while still not showing the (now useless) colorbar.
cb1.remove()
# Now we set up the second plot, which shows the individual
# diffraction patterns
axes[1].set_title(image_title)
@@ -634,7 +638,7 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
# This fails if the basis is not rectangular
basis_norm = np.linalg.norm(np_basis, axis = 0)
basis_norm = basis_norm * get_units_factor(image_units)
extent = [0, example_im.shape[-1]*basis_norm[1], 0,
example_im.shape[-2]*basis_norm[0]]
else:
@@ -655,9 +659,9 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
axes[1].text_box.set_path_effects(
[patheffects.Stroke(linewidth=2, foreground='black'),
patheffects.Normal()])
meas = axes[1].imshow(im, extent=extent, cmap=cmap)
cb2 = plt.colorbar(meas, ax=axes[1], orientation='horizontal',
format='%.2e',
ticks=ticker.LinearLocator(numticks=5),
@@ -665,7 +669,7 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
cb2.ax.tick_params(labelrotation=20)
cb2.ax.set_title(image_colorbar_title, size="medium", pad=5)
cb2.ax.callbacks.connect('xlim_changed', lambda ax: update_colorbar(meas))
# This function handles all the updating, except for moving the
# slider value. This is done because the slider widget is
# ultimately responsible for triggering an update, so all other
@@ -675,7 +679,7 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
# We have to explicitly make it an integer because the slider will
# output floats (even if they are still integer-valued)
idx = int(idx)
# Get the new data for this index
im = get_image_func(idx)
if len(im.shape) >= 3:
@@ -686,22 +690,22 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
axes[1].image_idx = im_idx
axes[1].text_box.set_text(str(im_idx))
im = im.reshape(-1,im.shape[-2],im.shape[-1])[im_idx]
# Now we resize the nanomap to show the new selection
axes[0].collections[0].set_sizes(calculate_sizes(idx))
# And we update the data in the image as well
ax_im = axes[1].images[-1]
ax_im.set_data(im)
update_colorbar(ax_im)
#
# Now we define the functions to handle various kinds of events
# that can be thrown our way
#
# We start by creating the slider here, so it can be used
# by the update hooks.
slider = Slider(axslider, 'Image #', 0, translations.shape[0]-1, valstep=1, valfmt="%d")
@@ -715,7 +719,7 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
# while the mouse is within the image display
im = im.reshape(-1,im.shape[-2],im.shape[-1])
im_idx = axes[1].image_idx
if event.key == 'up' or event.button == 'up' \
or event.key == 'left':
im_idx = (im_idx - 1) % im.shape[0]
@@ -733,7 +737,7 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
event.button = None
if not hasattr(event, 'key'):
event.key = None
if event.key == 'up' or event.button == 'up' or event.key == 'left':
idx = slider.val - 1
elif event.key == 'down' or event.button == 'down' or event.key == 'right':
@@ -742,7 +746,7 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
# This prevents errors from being thrown on irrelevant key
# or mouse input
return
# Handle the wraparound and trigger the update
idx = int(idx) % translations.shape[0]
slider.set_val(idx)
@@ -753,16 +757,16 @@ def plot_nanomap_with_images(translations, get_image_func, values=None, mask=Non
# for example, scroll events that happen over the nanomap
if event.mouseevent.button == 1:
slider.set_val(event.ind[0])
# Here we connect the various update functions
cid1 = fig.canvas.mpl_connect('pick_event',on_pick)
cid2 = fig.canvas.mpl_connect('key_press_event',on_action)
cid3 = fig.canvas.mpl_connect('scroll_event',on_action)
# It's so dumb that matplotlib doesn't automatically track this for you
fig.nanomap_cids = [cid1,cid2,cid3]
fig.nanomap_cids = [cid1,cid2,cid3]
slider.on_changed(update)
# Throw an extra update into the mix just to get rid of any things
# (like the nanomap dot sizes) that otherwise would change on the
# first update