Default vis_order in make*visualizer to None, allow **kwargs

grudge/shortcuts.py

@@ -39,17 +39,17 @@ def set_up_rk4(field_var_name, dt, fields, rhs, t_start=0):
     return dt_stepper
 
 
-def make_visualizer(dcoll, vis_order):
+def make_visualizer(dcoll, vis_order=None, **kwargs):
     from meshmode.discretization.visualization import make_visualizer
     return make_visualizer(
             dcoll._setup_actx,
-            dcoll.discr_from_dd("vol"), vis_order)
+            dcoll.discr_from_dd("vol"), vis_order, **kwargs)
 
 
-def make_boundary_visualizer(dcoll, vis_order):
+def make_boundary_visualizer(dcoll, vis_order=None, **kwargs):
     from meshmode.discretization.visualization import make_visualizer
     from meshmode.mesh import BTAG_ALL
 
     return make_visualizer(
             dcoll._setup_actx, dcoll.discr_from_dd(BTAG_ALL),
-            vis_order)
+            vis_order, **kwargs)