Geometry: Minor change.

src/Model/Geometry/PointXYZ.py

@@ -292,6 +292,9 @@ class PointXYZ(Point):
     def __repr__(self):
         return f"({self._x}, {self._y}, {self._z}, {self._name})"
 
+    def __gt__(self, other):
+        return self.y > other.y
+
     @property
     def x(self):
         return self._x