diff --git a/crop.py b/crop.py
new file mode 100644
index 0000000..59ca084
--- /dev/null
+++ b/crop.py
@@ -0,0 +1,45 @@
+import sys
+from os.path import join
+
+import numpy
+from PIL import Image
+
+py3map = map
+map = lambda *args, **kwargs: list(py3map(*args, **kwargs))
+
+if __name__ == '__main__':
+    spec = sys.argv[1]
+    out = sys.argv[2]
+
+    print('jean luc control')
+
+    for line in open(spec, 'r').readlines():
+        l = line.split(',')
+        fname, coords = l[0], map(int, l[1:])
+
+        i = Image.open(fname)
+
+        w = max(coords[0::2]) - min(coords[0::2])
+        h = max(coords[1::2]) - min(coords[1::2])
+        mw = (max(coords[0::2]) + min(coords[0::2])) / 2
+        mh = (max(coords[1::2]) + min(coords[1::2])) / 2
+
+        data = list(zip(coords[::2], coords[1::2]))
+        def coord_order(coord):
+            x, y = coord
+            score = 0
+            score += 2 * int(x > mw)
+            score += int(y > mh)
+            return score
+
+        data = list(sorted(data, key=coord_order))
+
+        tl, bl, tr, br = data
+        data = [tl, bl, br, tr]
+        data = sum(map(list, data), [])
+
+        ii = i.transform((w, h), Image.QUAD, data=data, resample=Image.BILINEAR)
+        ii.save(join(out, fname))
+
+        del i
+        del ii