import sys
sys.path.insert(0, ".")

from PIL import Image
from PIL import ImageMath

try:
    filename = sys.argv[1]
except IndexError:
    filename = "../pil-archive/goes12.2005.140.190925.BAND_01.mcidas"
    # filename = "../pil-archive/goes12.2005.140.190925.BAND_01.im"

im = Image.open(filename)

print im.format
print im.mode
print im.size
print im.tile

lo, hi = im.getextrema()

print "map", lo, hi, "->",
im = ImageMath.eval("convert(im*255/hi, 'L')", im=im, hi=hi)
print im.getextrema()

im.show()