diff --git a/event/algorithm/localisation/EllipseParametric.py b/event/algorithm/localisation/EllipseParametric.py
index f65d19d..0ab2acb 100644
--- a/event/algorithm/localisation/EllipseParametric.py
+++ b/event/algorithm/localisation/EllipseParametric.py
@@ -103,6 +103,9 @@ class EllipseParametric:
                     if valid_point:
                         samples_intersect.append(point1)
 
+                if len(samples_intersect) == 0:
+                    continue
+
                 average_point = Geometry.average_points(samples_intersect)
                 samples_intersect = [average_point]
 
@@ -132,7 +135,7 @@ class EllipseParametric:
                 if min_point1 is not None:        
                     samples_intersect.append(min_point1)
                 else:
-                    return output
+                    continue
 
             else:
                 print('Invalid method.')
@@ -142,8 +145,6 @@ class EllipseParametric:
             output[target] = {}
             output[target]["points"] = []
             for i in range(len(samples_intersect)):
-              print('err??', flush=True)
-              print(samples_intersect, flush=True)
               samples_intersect[i] = Geometry.ecef2lla(
                 samples_intersect[i][0], 
                 samples_intersect[i][1], 
diff --git a/event/algorithm/localisation/EllipsoidParametric.py b/event/algorithm/localisation/EllipsoidParametric.py
index 741412a..588edd6 100644
--- a/event/algorithm/localisation/EllipsoidParametric.py
+++ b/event/algorithm/localisation/EllipsoidParametric.py
@@ -100,12 +100,12 @@ class EllipsoidParametric:
                     if valid_point:
                         samples_intersect.append(point1)
 
+                if len(samples_intersect) == 0:
+                    continue
+
                 average_point = Geometry.average_points(samples_intersect)
                 samples_intersect = [average_point]
 
-                if len(samples_intersect) == 0:
-                    return output 
-
             elif self.method == "minimum":
 
                 min_distance = self.threshold
@@ -132,7 +132,7 @@ class EllipsoidParametric:
                 if min_point1 is not None:        
                     samples_intersect.append(min_point1)
                 else:
-                    return output
+                    continue
 
             else:
                 print('Invalid method.')
@@ -141,6 +141,10 @@ class EllipsoidParametric:
             # remove duplicates and convert to LLA
             output[target] = {}
             output[target]["points"] = []
+
+            print('test', flush=True)
+            print(samples_intersect, flush=True)
+
             for i in range(len(samples_intersect)):
               samples_intersect[i] = Geometry.ecef2lla(
                 samples_intersect[i][0], 
diff --git a/script/plot_accuracy.py b/script/plot_accuracy.py
index 34f1d21..6625ae2 100644
--- a/script/plot_accuracy.py
+++ b/script/plot_accuracy.py
@@ -99,8 +99,8 @@ def main():
             method_localisation = method["localisation"]
 
             # override skip a method
-            if method_localisation == "spherical-intersection":
-              continue
+            #if method_localisation == "spherical-intersection":
+              #continue
 
             if method_localisation not in position:
               position[method_localisation] = {}