add materials

EasyScience · Sep 30, 2024 · b023f94 · b023f94
1 parent e6fee4c
commit b023f94
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/easyreflectometry/project.py b/src/easyreflectometry/project.py
@@ -109,7 +109,10 @@ def remove_material(self, index: int) -> None:
 
     def default(self):
         self.reset()
-        self._materials = MaterialCollection()
+        materials = MaterialCollection()
+        for material in materials:
+            self._materials.append(material)
+
         layers = [
             Layer(material=self._materials[0], thickness=0.0, roughness=0.0, name='Vacuum Layer'),
             Layer(material=self._materials[1], thickness=100.0, roughness=3.0, name='Multi-layer'),