Add abstract class GeometricObject

[linpy.git] / pypol / coordinates.py

diff --git a/pypol/coordinates.py b/pypol/coordinates.py
index a880178..ceab418 100644 (file)
--- a/pypol/coordinates.py
+++ b/pypol/coordinates.py
@@ -4,6 +4,7 @@ import operator
 
 from collections import OrderedDict, Mapping
 
+from .geometry import GeometricObject
 from .linexprs import Symbol
 
 
@@ -78,7 +79,7 @@ class Coordinates:
             yield symbol, func(coordinate1, coordinate2)
 
 
-class Point(Coordinates):
+class Point(Coordinates, GeometricObject):
     """
     This class represents points in space.
     """
@@ -120,10 +121,6 @@ class Vector(Coordinates):
     This class represents displacements in space.
     """
 
-    __slots__ = (
-        '_coordinates',
-    )
-
     def __new__(cls, initial, terminal=None):
         if not isinstance(initial, Point):
             initial = Point(initial)