geodesic_info

The methdology is outlined in
<a href="http://www-stat.wharton.upenn.edu/~buja/PAPERS/paper-dyn-proj-algs.pdf">http://www-stat.wharton.upenn.edu/~buja/PAPERS/paper-dyn-proj-algs.pdf</a>
and
<a href="http://www-stat.wharton.upenn.edu/~buja/PAPERS/paper-dyn-proj-math.pdf">http://www-stat.wharton.upenn.edu/~buja/PAPERS/paper-dyn-proj-math.pdf</a>,
and the code follows the notation outlined in those papers:

internal

Implements geodesic interpolation and basis
generation functions that allow you to create new tour
methods from R.

Di Cook

tourr

Tour Methods for Multivariate Data Visualisation

Hadley Wickham

Dianne Cook

Nick Spyrison

Ursula Laa

H. Sherry Zhang

Stuart Lee

geodesic_info function

<dl><dt>Fa</dt>
<dd>starting frame, will be orthonormalised if necessary</dd>
<dt>Fz</dt>
<dd>target frame, will be orthonormalised if necessary</dd>
<dt>epsilon</dt>
<dd>epsilon used to determine if an angle is effectively equal
to 0</dd></dl>

Arguments

The methdology is outlined in
<a href='http://www-stat.wharton.upenn.edu/~buja/PAPERS/paper-dyn-proj-algs.pdf'>http://www-stat.wharton.upenn.edu/~buja/PAPERS/paper-dyn-proj-algs.pdf</a>
and
<a href='http://www-stat.wharton.upenn.edu/~buja/PAPERS/paper-dyn-proj-math.pdf'>http://www-stat.wharton.upenn.edu/~buja/PAPERS/paper-dyn-proj-math.pdf</a>,
and the code follows the notation outlined in those papers:

Calculate information required to interpolate along a geodesic path between
two frames. — geodesic_info

<dl>

<dt>Fa</dt>
<dd>starting frame, will be orthonormalised if necessary</dd>


<dt>Fz</dt>
<dd>target frame, will be orthonormalised if necessary</dd>


<dt>epsilon</dt>
<dd>epsilon used to determine if an angle is effectively equal
to 0</dd>

</dl>

geodesic_info: Calculate information required to interpolate along a geodesic path between two frames.

Description

Usage

Arguments

Details