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cdtools/examples/simple_ptycho.py
T

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Python

import cdtools
from matplotlib import pyplot as plt
# We load an example dataset from a .cxi file
filename = 'example_data/lab_ptycho_data.cxi'
dataset = cdtools.datasets.Ptycho2DDataset.from_cxi(filename)
# We create a ptychography model from the dataset
model = cdtools.models.SimplePtycho.from_dataset(dataset)
# We move the model to the GPU
device = 'cuda'
model.to(device=device)
dataset.get_as(device=device)
# We run the actual reconstruction
for loss in model.Adam_optimize(100, dataset, batch_size=10):
# We print a quick report of the optimization status
print(model.report())
# And liveplot the updates to the model as they happen
model.inspect(dataset)
# We study the results
model.inspect(dataset)
model.compare(dataset)
plt.show()