Updated the function names and processes

app.py

@@ -134,7 +134,8 @@ def transform_image(image, func_choice, radius, center_x, center_y, strength, ed
 
     def bulge(x, y):
         r = np.sqrt(x**2 + y**2)
-        return -1 / (r + 1)
+        # return -1 / (r + 1)
+        return -r 
 
     def spiral(x, y, frequency=1):
         r = np.sqrt(x**2 + y**2)