step_fraction

Step along an interpolated path by fraction of path length.

internal

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

<dl><dt>interp</dt>
<dd>interpolated path</dd>
<dt>fraction</dt>
<dd>fraction of distance between start and end planes</dd></dl>

<dl>

<dt>interp</dt>
<dd>interpolated path</dd>


<dt>fraction</dt>
<dd>fraction of distance between start and end planes</dd>

</dl>