intersections

[imago.git] / filters.py

diff --git a/filters.py b/filters.py
index e770724..991ce75 100644 (file)
--- a/filters.py
+++ b/filters.py
@@ -10,8 +10,8 @@ def edge_detection(image):
     new_image = Image.new('L', image.size)
     new_image_l = new_image.load()
     
-    for x in range(2, image.size[0] - 2):
-        for y in range(2, image.size[1] - 2):
+    for x in xrange(2, image.size[0] - 2):
+        for y in xrange(2, image.size[1] - 2):
             pix = (sum([sum([
                 image_l[a, b] 
                     for b in range(y - 2, y + 3)])