exposed nonlinear maskmode to config

slider/resources/slide.yaml

@@ -141,6 +141,7 @@ regparams:
     kernel: MK_FULL
     export: true
     snapshot: true
+    maskmode: or
 
   
 

slider/slide_reg.py

@@ -796,7 +796,7 @@ def diffreg2d(fixed, moving, cnf):
             # kernel=MK_FULL,
             # kernel=MK_STAR,
             kernel=kernel,
-            maskmode="or",
+            maskmode=q.maskmode,
         )
 
         # np.save(