diff --git a/olaflow/processing/olaflow.py b/olaflow/processing/olaflow.py
index 9556a84..520289b 100644
--- a/olaflow/processing/olaflow.py
+++ b/olaflow/processing/olaflow.py
@@ -1,10 +1,15 @@
 import re
 
+from fluidfoam import readof
+
 
 class OFModel:
     def __init__(self, root):
         self._root = root
 
+    def read_mesh(self):
+        self._x, self._y, self._z = readof.readmesh(str(self._root))
+
     def write_field(self, field, values):
         with open(self._root.joinpath("0", field), "r") as aw_file:
             aw_raw = aw_file.read()
@@ -19,3 +24,15 @@ class OFModel:
                     flags=re.S,
                 )
             )
+
+    @property
+    def x(self):
+        return self._x
+
+    @property
+    def y(self):
+        return self._y
+
+    @property
+    def z(self):
+        return self._z
diff --git a/olaflow/processing/sws_ola.py b/olaflow/processing/sws_ola.py
index 97940ec..7b416be 100644
--- a/olaflow/processing/sws_ola.py
+++ b/olaflow/processing/sws_ola.py
@@ -6,7 +6,6 @@ import re
 
 import matplotlib.pyplot as plt
 import numpy as np
-from fluidfoam import readof
 from scipy import interpolate
 
 from .olaflow import OFModel
@@ -30,11 +29,10 @@ sws = np.load(sws_out.joinpath("sws.npz"))
 x, t = sws["x"], sws["t"]
 
 olaflow_root = pathlib.Path(config.get("olaflow", "root"))
-of_x, of_y, of_z = mesh = readof.readmesh(str(olaflow_root))
+model = OFModel(olaflow_root)
+model.read_mesh()
 
 watl = interpolate.interp1d(x, sws["watl"][680])
+alpha_water = np.where(model.z < watl(model.x), 1, 0)
 
-alpha_water = np.where(of_z < watl(of_x), 1, 0)
-
-model = OFModel(olaflow_root)
 model.write_field("alpha.water", alpha_water)