diff --git a/script/local.py b/script/local.py
index fac97d5..76eaaea 100644
--- a/script/local.py
+++ b/script/local.py
@@ -43,12 +43,10 @@ count_id = None
 image_filename = None
 
 
-def pix_is_on():
-    return pixel in scan.readables
 
-def before_sample(position, scan):
+def trigger_detectors(position, scan):
     global count_time, count_id, image_filename    
-    pix_is_on = self.pix_is_on(scan)
+    pix_is_on = pixel in scan.readables
     mythen.abort()    
     open_shutter()    
     if (count_time != 0):