VecMath::RotationAxes< D > Class Template Reference

How to generate a Rotation matrix from a Rotation component. More...

#include <Rotation.h>

List of all members.

Static Public Member Functions
static unsigned	axis (unsigned which, unsigned index)
Static Private Attributes
static unsigned	_axis [2][NumAxes< D >::num]
	explicitly stores the values for ii and jj

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Detailed Description

template<unsigned D>
class VecMath::RotationAxes< D >

How to generate a Rotation matrix from a Rotation component.

A Rotation matrix about a coordinate axis is created with the c'tor Matrix<D, N>::Matrix (unsigned ii, unsigned jj, N Theta), where ii and jj describe the axis about which is rotated.

Unfortunately the position of the angle in the Rotation vector does not map to the axis indicators ii and jj straightforwardly. This class provides the static method axis(), which computes them.

In fact, though, it works only in the three- and four-dimensional cases. In these dimensions, I have manually specified the axes. For higher dimensions, a NotYetImplementedException is thrown.

Todo:

Find a generic algorithm for D dimensions

Template Parameters:

D	dimension of the vector space

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Member Function Documentation

template<unsigned D>

unsigned VecMath::RotationAxes< D >::axis	(	unsigned	which,
		unsigned	index
	)		[static]

Compute the row/column in a rotation Matrix from the dimension of the vector space and the position of the rotation angle in the Rotation vector.

Parameters:

which	0 for ii or 1 for jj
index	position in the Rotation vector

References Util::itoa().

Referenced by VecMath::Rotation< D, N >::operator Matrix< D, N >().

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The documentation for this class was generated from the following files:

• HyperspaceExplorer/src/VecMath/Rotation.h
• HyperspaceExplorer/src/VecMath/Rotation.impl.h