Example: Converting from IMAGIC to MRC or SPIDER:
from EMAN2 import *
e = EMData()
e.read_image(\u201cproj.img\u201d)
e.write_image(\u201cproj.mrc\u201d)
# output image format is determined by file extension
e.write_image(\u201cproj.spi\u201d, 1, SPIDER)
# explicitly specifiy the output image format