first Jungfrau .dat files
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.gitignore
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.gitignore
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install/
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.cproject
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.project
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bin/
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.settings
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*.aux
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*.log
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*.out
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*.toc
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*.o
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*.so
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.*
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build/
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RELEASE.txt
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Testing/
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ctbDict.cpp
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ctbDict.h
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*.pyc
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*/__pycache__/*
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BIN
dat/AldoJF500k.npz
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dat/AldoJF500k.npz
(Stored with Git LFS)
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dat/AldoJF500k.tiff
(Stored with Git LFS)
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dat/AldoJF500k.tiff
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dat/AldoJF500k_000000.dat
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dat/AldoJF500k_000000.dat
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dat/AldoJF500k_000001.dat
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dat/AldoJF500k_000001.dat
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dat/AldoJF500k_000002.dat
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dat/AldoJF500k_000002.dat
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dat/AldoJF500k_000003.dat
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dat/AldoJF500k_000003.dat
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dat/write_dat_files.py
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dat/write_dat_files.py
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# Script to write .dat files for testing
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# Gives the opportunity to test the dat files
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# with small files
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import numpy as np
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import tifffile
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img = tifffile.imread("AldoJF500k.tiff")
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# Filename is name_000000.dat
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# Header is frame number and bunch id 8+8 bytes
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# Data is 2 bytes per pixel
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header = np.zeros(2, dtype=np.uint64)
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file_index = 0
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frame_number = 1
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frames = []
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headers = []
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for file_index in range(4):
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with open(f"AldoJF500k_{file_index:06d}.dat", "wb") as f:
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for i in range(1,8,1):
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frame = np.random.normal(img, np.sqrt(img))
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frame = np.clip(frame, 0, 65535) #avoid negative values
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frame = frame.astype(np.uint16)
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header[0] = frame_number
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header[1] = frame_number**2
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frame_number += 1
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header.tofile(f)
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frame.tofile(f)
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headers.append(header.copy())
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frames.append(frame.copy( ))
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if file_index == 3 and i == 3:
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break
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headers = np.array(headers)
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frames = np.array(frames)
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print(header.shape, frames.shape)
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np.savez('AldoJF500k.npz', headers=headers, frames=frames)
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