[graphics] Fix issue #43; convert to integer in numpy array indices

tanghaibao · Mar 6, 2017 · 8c9a2d3 · 8c9a2d3
1 parent 939a10a
commit 8c9a2d3
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/graphics/grabseeds.py b/graphics/grabseeds.py
@@ -530,7 +530,8 @@ def seeds(args):
         npixels = int(props.area)
         # Sample the center of the blob for color
         d = min(int(round(minor / 2 * .35)) + 1, 50)
-        square = img[(y0 - d):(y0 + d), (x0 - d):(x0 + d)]
+        x0d, y0d = int(round(x0)), int(round(y0))
+        square = img[(y0d - d):(y0d + d), (x0d - d):(x0d + d)]
         pixels = []
         for row in square:
             pixels.extend(row)