geometry: Rename point XY to AC.

src/Model/Geometry/PointXYZ.py

@@ -5,16 +5,34 @@ from pandas import isna as pd_is_na
 
 from Model.Geometry.PointXY import PointXY
 
-class PointXYZ(PointXY):
+class PointXYZ(Point):
     def __init__(self, x:float = 0.0, y:float = 0.0, z:float = 0.0,
                  name:str = ""):
         super(PointXYZ, self).__init__(x=x, y=y, name=name)
 
+        self._x = float(x)
+        self._y = float(y)
         self._z = float(z)
 
     def __repr__(self):
         return f"({self._x}, {self._y}, {self._z}, {self._name})"
 
+    @property
+    def x(self):
+        return self._x
+
+    @x.setter
+    def x(self, value):
+        self._x = float(value)
+
+    @property
+    def y(self):
+        return self._y
+
+    @y.setter
+    def y(self, value):
+        self._y = float(value)
+
     @property
     def z(self):
         return self._z