diff --git a/beadDetect.py b/beadDetect.py
index 829bde8..49b5d43 100755
--- a/beadDetect.py
+++ b/beadDetect.py
@@ -214,7 +214,7 @@ Z = np.float32(plotColors)
 
 # Define criteria = ( type, max_iter, epsilon )
 criteria = (cv2.TERM_CRITERIA_EPS + cv2.TERM_CRITERIA_MAX_ITER, 100, 0.1)
-ret,label,center=cv2.kmeans(Z,10,None,criteria,10,cv2.KMEANS_RANDOM_CENTERS)
+ret,label,center=cv2.kmeans(Z,10,None,criteria,10,cv2.KMEANS_PP_CENTERS)
 
 print (center)
 
@@ -222,7 +222,7 @@ print (center)
 fig = plt.figure()
 ax = fig.add_subplot(111, projection='3d')
 ax.scatter(blue, green, red, zdir='z', s=10, c=(0,0,0), lw = 0, depthshade=True)
-ax.scatter(center[:,2], center[:,1], center[:,0], zdir='z', s=250, facecolors=center, lw = 2, depthshade=True)
+ax.scatter(center[:,2], center[:,1], center[:,0], zdir='z', s=250, facecolors=center, lw = 1, depthshade=True)
 
 plt.show()