.. py:method:: isorigin(self)
- Return true is given point is the origin.
+ Return ``True`` if a point is the origin.
- .. py:method::
+ .. py:method:: __eq__(self, other)
+
+ Compare two Points for equality.
+
+ .. py:method:: __add__(self, other)
+
+ Add a Point to a Vector and return the result as a Point.
+
+ .. py:method:: __sub__(self, other)
+
+ Return the difference between two Points as a Vector.
+ .. py:method:: aspolyhedon(self)
+
+ Return a Point as a polyhedron corresponding to the Point, assuming the Point has integer coordinates.
+
+
.. py:class:: Vector
-This class represents displacements in space.
+This class represents displacements in space.
+ .. py:method:: __eq__(self, other)
+
+ Compare two Vectors for equality.
+
+ .. py:method:: __add__(self, other)
+
+ Add either a Point or Vector to a Vector. The resulting sum is returned as the same structure *other* is.
+
+ .. py:method:: __sub__(self, other)
+
+ Subtract a Point or Vector from a Vector. The resulting difference is returned in the same form as *other*.
+
+ .. py:method:: __mul__(self, other)
+
+ Multiply a Vector by a scalar value and returns the result as a Vector.
+
+ .. py:method:: __neg__(self)
+
+ Negate a Vector.
+
+ .. py:method:: norm(self)
+
+ Normalizes a Vector.
+
+ .. py:method:: isnull(self)
+
+ Tests whether a Vector is null.
+
.. py:method:: angle(self, other)
- Retrieve the angle required to rotate the vector into the vector passed
- in argument. The result is an angle in radians, ranging between -pi and
+ Retrieve the angle required to rotate the vector into the vector passed in argument. The result is an angle in radians, ranging between -pi and
pi.
.. py:method:: cross(self, other)
- Calculate the cross product of two Vector3D structures.
+ Calculate the cross product of two Vector3D structures. If the vectors are not tridimensional, a _____ error is raised.
.. py:method:: dot(self, other)
.. py:method:: __trudiv__(self, other)
- Divide the vector by the specified scalar and returns the result as a
- vector.
+ Divide the vector by the specified scalar and returns the result as a vector.