choreo.ActionSym.Identity#

static ActionSym.Identity(Py_ssize_t nbody, Py_ssize_t geodim)#

Returns the identity transformation.

Example

>>> import choreo
>>> nbody = 10
>>> geodim = 4
>>> choreo.ActionSym.Identity(nbody, geodim).IsIdentity()
True
>>> print(choreo.ActionSym.Identity(nbody, geodim))
ActionSym object
BodyPerm:
[0 1 2 3 4 5 6 7 8 9]
SpaceRot:
[[1. 0. 0. 0.]
[0. 1. 0. 0.]
[0. 0. 1. 0.]
[0. 0. 0. 1.]]
TimeRev: 1
TimeShift: 0 / 1

Parameters:

nbody (int) – Number of bodies in the system.
geodim (int) – Dimension of ambiant space.

Returns:

An identity transformation of a system of nbody point masses in dimension geodim.

Return type:

choreo.ActionSym