mrcfile_create_open_modify_with_flush_to_disk.py

1import mrcfile
2import numpy as np
3
4# Create a new empty MRC file
5with mrcfile.new('test.mrc', overwrite=True) as mrc:
6    mrc.set_data(np.zeros((10, 10, 10), dtype=np.float32))
7    mrc.header.map = mrcfile.constants.MAP_ID
8
9# Open an existing file for reading
10with mrcfile.open('test.mrc') as mrc:
11    print(mrc.data.shape)
12    print(mrc.header.label[0])
13
14# Open for modification
15with mrcfile.open('test.mrc', mode='r+') as mrc:
16    mrc.data[0, 0, 0] = 10.0
17    mrc.flush()