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Quat Class Reference

Quaternion class. More...

#include <VMDQuat.h>

List of all members.

Public Methods
	Quat ()
	initialize to identity. More...
	Quat (double x, double y, double z, double w)
void	rotate (const float *u, float angle)
void	rotate (char axis, float angle)
	axis = 'x', 'y', or 'z'. More...
void	invert ()
void	identity ()
void	mult (const Quat &)
void	multpoint3 (const float *, float *) const
void	fromMatrix (const float *)
	convert from a row-major matrix. More...
void	printQuat (float *)
	print it. More...
void	printMatrix (float *)
	print it as a matrix. More...

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Detailed Description

Quaternion class.

Definition at line 25 of file VMDQuat.h.

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Constructor & Destructor Documentation

Quat::Quat (    )  [inline]

initialize to identity. Definition at line 27 of file VMDQuat.h. References identity.

Quat::Quat (  double    x, double    y, double    z, double    w )

Definition at line 30 of file VMDQuat.C. References z.

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Member Function Documentation

void Quat::fromMatrix (  const float *    )

convert from a row-major matrix. Definition at line 119 of file VMDQuat.C. References mat, and perm.

void Quat::identity (    )

Definition at line 25 of file VMDQuat.C. Referenced by Quat.

void Quat::invert (    )

Definition at line 63 of file VMDQuat.C.

void Quat::mult (  const Quat &    )

Definition at line 69 of file VMDQuat.C. References qw, qx, qy, qz, and z. Referenced by multpoint3, and rotate.

void Quat::multpoint3 (  const float *   , float *    )  const

Definition at line 81 of file VMDQuat.C. References mult, qx, qy, and qz. Referenced by HMDMgr::rot_basis_quat, HMDMgr::rot_point_quat, PickModeMoveRep::rotate, PickModeMoveMolecule::rotate, PickModeMoveFragment::rotate, and PickModeMoveResidue::rotate.

void Quat::printMatrix (  float *    )

print it as a matrix. Definition at line 98 of file VMDQuat.C.

void Quat::printQuat (  float *    )

print it. Definition at line 91 of file VMDQuat.C.

void Quat::rotate (  char    axis, float    angle )

axis = 'x', 'y', or 'z'. Definition at line 49 of file VMDQuat.C. References DEGTORAD, mult, qw, qx, qy, and qz.

void Quat::rotate (  const float *    u, float    angle )

Definition at line 37 of file VMDQuat.C. References DEGTORAD, mult, qw, qx, qy, and qz.

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

• VMDQuat.h
• VMDQuat.C

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