From 4018c834a8e053062a2c9831f0afa899ceb1d82b Mon Sep 17 00:00:00 2001
From: FZill <florian.zill@ufz.de>
Date: Thu, 8 Feb 2024 10:00:36 +0100
Subject: [PATCH] timevalues as np array

---
 ogstools/meshlib/mesh_series.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/ogstools/meshlib/mesh_series.py b/ogstools/meshlib/mesh_series.py
index 552e13f34..c2950c341 100644
--- a/ogstools/meshlib/mesh_series.py
+++ b/ogstools/meshlib/mesh_series.py
@@ -215,23 +215,23 @@ class MeshSeries:
         return range(len(self.timevalues))
 
     @property
-    def timevalues(self) -> list[float]:
+    def timevalues(self) -> np.ndarray:
         """Return the timevalues of the timeseries data."""
         if self._data_type == "vtu":
-            return [0]
+            return np.zeros(1)
         if self._data_type == "pvd":
-            return self._pvd_reader.time_values
+            return np.asarray(self._pvd_reader.time_values)
         # elif self._data_type == "xdmf":
         time_values = []
         for collection_i in self._xdmf_reader.collection:
             for element in collection_i:
                 if element.tag == "Time":
                     time_values += [float(element.attrib["Value"])]
-        return time_values
+        return np.asarray(time_values)
 
     def closest_timestep(self, timevalue: float) -> int:
         """Return the corresponding timestep from a timevalue."""
-        return int(np.argmin(np.abs(np.array(self.timevalues) - timevalue)))
+        return int(np.argmin(np.abs(self.timevalues - timevalue)))
 
     def closest_timevalue(self, timevalue: float) -> float:
         """Return the closest timevalue to a timevalue."""
@@ -245,7 +245,7 @@ class MeshSeries:
         self, timevalue: float, lazy_eval: bool = True
     ) -> pv.UnstructuredGrid:
         """Return the temporal interpolated mesh for a given timevalue."""
-        t_vals = np.array(self.timevalues)
+        t_vals = self.timevalues
         ts1 = int(t_vals.searchsorted(timevalue, "right") - 1)
         ts2 = min(ts1 + 1, len(t_vals) - 1)
         if np.isclose(timevalue, t_vals[ts1]):
-- 
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