diff --git a/script/imgtest.py b/script/imgtest.py
index 2b9683f..fe140ff 100644
--- a/script/imgtest.py
+++ b/script/imgtest.py
@@ -15,10 +15,28 @@ class MyFilter(Filter):
         ip = load_image(image)
         (results_puck,output_puck) = detect_pucks(ip)
         (results_samples,output_samples) = detect_samples(ip)
-        invert(output_puck)
-        invert(output_samples)
-        op_image(output_puck, output_samples, "add")
-        op_image(ip, output_puck, "add")
+
+        #op_const(output_samples, "add", 0)
+        
+        #op_image(output_puck, output_samples, "xor")
+        #op_image(ip, output_puck, "xor")
+        print "----"
+        print output_puck.processor.getLut().getBytes() 
+        print "***"
+            
+        op_image(output_puck, output_samples, "and")
+        r,g,b = [0]*256,[0]*256,[0]*256
+        set_lut(output_puck, r, g, b)
+
+        
+        #op_image(ip, output_puck, "or")
+        ip=output_puck
+        #invert(output_puck)        
+        #invert(output_samples)         
+        #op_const(output_puck, "multiply", 0.5)
+        #op_image(output_puck, output_samples, "or")
+        #op_image(ip, output_puck, "xor")
+        
         
         return ip.getBufferedImage()