diff --git a/script/Alignment/Gun_solenoid_alignment.py b/script/Alignment/Gun_solenoid_alignment.py
index a12e49f..1d8a4d2 100755
--- a/script/Alignment/Gun_solenoid_alignment.py
+++ b/script/Alignment/Gun_solenoid_alignment.py
@@ -14,6 +14,15 @@ import org.apache.commons.math3.linear.Array2DRowRealMatrix as Matrix
 import ch.psi.utils.Convert.toBidimensional as mono_to_bidi
 
 
+I1 = 20.0
+I2 = 30.0
+dI = 1.0
+settling_time = 0.1
+plot_image = False
+number_backgrounds = 0
+number_images = 1
+
+
 cam_x = Channel("SINEG01-DSCR190:profile.X_stats.com", alias = "cam_x")
 cam_y = Channel("SINEG01-DSCR190:profile.Y_stats.com", alias = "cam_y")
 
@@ -64,10 +73,6 @@ def run_pipeline():
     #caget("camtool....:X_stats.com")
     
     
-I1 = 20.0
-I2 = 30.0
-dI = 1.0
-settling_time = 0.0
 
 # Switch off magnets
 mag = [ "SINEG01-MCRX120","SINEG01-MCRY120",
@@ -90,16 +95,17 @@ def br():
     pass
 def ar():
     pass    
-
+r = None
 laser_on()
 try:
-    r = lscan(gun_solenoid, [cam_x, cam_y, cam_img], I1, I2, dI, settling_time, before_read = br, after_read = ar)
+    sensors =  [cam_x, cam_y, cam_img] if plot_image else  [cam_x, cam_y]
+    r = lscan(gun_solenoid, sensors , I1, I2, dI, settling_time, before_read = br, after_read = ar)
 finally:
     laser_off()
 
 # take the result of the scan and do the plots
 p = plot(r.getReadable(1), xdata=r.getReadable(0), title = "Centroid excursion")[0]
-#add_convex_hull_plot ("Centroid excursion", r.getReadable(0),r.getReadable(1), "Name")
+#add_convex_hull_plot ("Centroid excursion", r.getReadable(0),r.getReadable(1), "Name", False, (0,cam_img._width), (0,cam_img._height))
 
 # save the entry in the logbook
 msg = str(r)