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Project Description
=================
scikit-kinematics
=================

*scikit-kinematics* primarily contains functions for working with 3D
kinematics, e.g quaternions and rotation matrices.
This includes utilities to read in data from the following IMU-sensors:
- XSens
- xio
- YEI

Compatible with Python 2 and 3.

Dependencies
------------
numpy, scipy, matplotlib, pandas, sympy, easygui

Homepage
--------
http://work.thaslwanter.at/skinematics/html/

Author: Thomas Haslwanter
Date: 14-11-2016
Ver: 0.3.7
Licence: BSD 2-Clause License (http://opensource.org/licenses/BSD-2-Clause)
Copyright (c) 2016, Thomas Haslwanter
All rights reserved.

Installation
------------
You can install thlib with

pip install scikit-kinematics

and upgrade to a new version with

pip install scikit-kinematics -U

IMUs
====

Analysis of signals from IMUs (intertial-measurement-units).

Data-Import
-----------
- imyus.import_data ... Read in Rate and stored 3D parameters from a variety of IMUs

- sensors.xio ... Import data recorded with xio-systems
- sensors.xsens ... Import data recorded with XSens-systems
- sensors.yei ... Import data recorded with YEI-systems

MARG Systems
------------
- imus.calc_QPos ... Calculate orientation and position, from angular velocity and linear acceleration
- imus.kalman_quat ... Calculate orientation from IMU-data using an Extended Kalman Filter.

- imus.IMU ... Class for working with data from IMUs
- imus.IMU.calc_orientation ... calculate orientation
- imus.IMU.calc_position ... calculate position
- imus.IMU.setData ... set the properties of an IMU-object
- imus.MadgwickAHRS ... Class for calculating the 3D orientation with the Madgwick-algorithm
- imus.MahonyAHRS ... Class for calculating the 3D orientation with the Mahony-algorithm

Markers
=======

Analysis of signals from video-based marker-recordings of 3D movements

- markers.analyze3Dmarkers ... Kinematic analysis of video-basedrecordings of 3D markers
- markers.movement_from_markers ... Calculation of joint-movements from 3D marker positions

Quaternions
===========

Note that all these functions work with single quaternions and quaternion vectors,
as well as with arrays containing these.

Quaternion class
----------------

- quat.Quaternion ... class, including overloading for multiplication and
division (e.g. "quatCombined = quat1 * quat2"), import and export

Functions for working with quaternions
--------------------------------------

- quat.quatconj ... Conjugate quaternion
- quat.quatinv ... Quaternion inversion
- quat.quatmult ... Quaternion multiplication

Conversion routines - quaternions
---------------------------------

- quat.deg2quat ... Convert number or axis angles to quaternion vectors
- quat.quat2deg ... Convert quaternion to corresponding axis angle
- quat.quat2rotmat ... Convert quaternion to corresponding rotation matrix
- quat.quat2vect ... Extract the vector part from a quaternion
- quat.rotmat2quat ... Convert a rotation matrix to the corresponding quaternion
- quat.vect2quat ... Externd a quaternion vector to a unit quaternion.
- quat.vel2quat ... Calculate orientation from a starting orientation and angular velocity.


Rotation Matrices
=================

Definition of rotation matrices
-------------------------------

- rotmat.R1 ... 3D rotation matrix for rotation about the 1-axis
- rotmat.R2 ... 3D rotation matrix for rotation about the 2-axis
- rotmat.R3 ... 3D rotation matrix for rotation about the 3-axis

Conversion Routines - rotation matrices
---------------------------------------
- rotmat.rotmat2Fick ... Calculation of Fick angles
- rotmat.rotmat2Helmholtz ... Calculation of Helmholtz angles

Symbolic matrices
-----------------

- rotmat.R1_s() ... symbolix matrix for rotation about the 1-axis
- rotmat.R2_s() ... symbolix matrix for rotation about the 2-axis
- rotmat.R3_s() ... symbolix matrix for rotation about the 3-axis

For example, you can e.g. generate a Fick-matrix, with

>>> R_Fick = R3_s() * R2_s() * R1_s()

Vectors
=======

Routines for working with vectors
These routines can be used with vectors, as well as with matrices containing a vector in each row.

- vector.normalize ... Vector normalization
- vector.project ... Projection of one vector onto another one
- vector.GramSchmidt ... Gram-Schmidt orthogonalization of three points
- vector.qrotate ... Quaternion indicating the shortest rotation from one vector into another.
- vector.rotate_vector ... Rotation of a vector

Interactive Data Analysis
=========================

- viewer.ts ... interactive viewer for time series data


Release History

Release History

0.3.7

This version

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0.3.6

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0.3.2

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0.3.1

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0.3.0

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0.2.10

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0.2.9

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0.2.8

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0.2.7

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0.2.6

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0.2.5

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0.2.4

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0.2.3

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0.2.2

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0.2.1

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0.2.0

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0.1.6

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0.1.5

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0.1.4

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0.1.3

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0.1.2

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0.1.1

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0.1.0

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
scikit_kinematics-0.3.7-py2.py3-none-any.whl (1.3 MB) Copy SHA256 Checksum SHA256 py2.py3 Wheel Nov 14, 2016
scikit-kinematics-0.3.7.tar.gz (2.7 MB) Copy SHA256 Checksum SHA256 Source Nov 14, 2016

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