1 files changed, 2 insertions, 2 deletions
diff --git a/hpmr.py b/hpmr.py
index 6adc1a7..3acf958 100755
--- a/hpmr.py
+++ b/hpmr.py
@@ -447,8 +447,8 @@ geo_const_lattice_pitch = 26.752
 geo_const_triso_radius = 1.0
 geo_const_triso_packing = 0.40
 geo_const_height = 1.0
-geo_const_z_max = openmc.ZPlane(z0=+geo_const_height,boundary_type="reflective")
-geo_const_z_min = openmc.ZPlane(z0=-geo_const_height,boundary_type="reflective")
+geo_const_z_max = openmc.ZPlane(z0=+geo_const_height,boundary_type="transmission" if cli_args.geometry_level=="core" else "reflective")
+geo_const_z_min = openmc.ZPlane(z0=-geo_const_height,boundary_type="transmission" if cli_args.geometry_level=="core" else "reflective")
 
 geo_none_universe = openmc.Universe(name="Empty Universe",cells=[openmc.Cell(name="Empty Cell",fill=None)])