ajvector.c

Section: 3-D vector Constructors

Functions:

aj3dVectorNew	Default constructor for zeroed AJAX 3D vectors.
aj3dVectorCreate	Constructor for initialised AJAX 3D vectors.

Function aj3dVectorNew

Prototype

AjP3dVector aj3dVectorNew (
      void
);

Type	Name	Read/Write	Description
AjP3dVector		RETURN	Pointer to a zeroed 3D vector

From EMBOSS 2.8.0

Function aj3dVectorCreate

Prototype

AjP3dVector aj3dVectorCreate (
      float fX,
      float fY,
      float fZ
);

Type	Name	Read/Write	Description
float	fX	Input	x component of 3D vector
float	fY	Input	y component of 3D vector
float	fZ	Input	z component of 3D vector
AjP3dVector		RETURN	Pointer to an initialised 3D vector

From EMBOSS 2.8.0

Section: 3D Vector Destructors

Functions:

aj3dVectorDel

Default destructor for Ajax 3-D Vectors.

Function aj3dVectorDel

Prototype

void aj3dVectorDel (
      AjP3dVector* pthis
);

Type	Name	Read/Write	Description
AjP3dVector*	pthis	Delete	Pointer to the 3-D vector to be deleted. The pointer is always deleted.
void		RETURN

From EMBOSS 2.8.0

Section: 3D Vector Functions

Functions:

aj3dVectorCrossProduct	calculates the cross product of two 3D vectors, that is their "torque"
aj3dVectorBetweenPoints	Calculates the vector from one point in space (start) to another (end)
aj3dVectorLength	calculates the magnitude of a vector
aj3dVectorAngle	Calculates the angle between two vectors
aj3dVectorDihedralAngle	calculates the angle from the plane perpendicular to A x B to the plane perpendicular to B x C (where A, B and C are vectors)
aj3dVectorDotProduct	calculates the dot product of two 3D vectors, that is their summed common scalar magnitude
aj3dVectorSum	calculates the dot product of two 3D vectors, that is their summed common "scalar magnitude"

Function aj3dVectorCrossProduct

Prototype

void aj3dVectorCrossProduct (
      const AjP3dVector first,
      const AjP3dVector second,
      AjP3dVector crossProduct
);

Type	Name	Read/Write	Description
const AjP3dVector	first	Input	first 3D vector
const AjP3dVector	second	Input	second 3D vector
AjP3dVector	crossProduct	Output	3D vector to contain cross product
void		RETURN

From EMBOSS 2.8.0

Function aj3dVectorBetweenPoints

Prototype

void aj3dVectorBetweenPoints (
      AjP3dVector betweenPoints,
      float fStartX,
      float fStartY,
      float fStartZ,
      float fEndX,
      float fEndY,
      float fEndZ
);

Type	Name	Read/Write	Description
AjP3dVector	betweenPoints	Modify	vector from start to end
float	fStartX	Input	X coordinate of start
float	fStartY	Input	Y coordinate of start
float	fStartZ	Input	Z coordinate of start
float	fEndX	Input	X coordinate of end
float	fEndY	Input	Y coordinate of end
float	fEndZ	Input	Z coordinate of end
void		RETURN

From EMBOSS 2.8.0

Function aj3dVectorLength

Prototype

float aj3dVectorLength (
      const AjP3dVector thys
);

Type	Name	Read/Write	Description
const AjP3dVector	thys	Input	vector to be sized
float		RETURN	length of vector to be sized

From EMBOSS 2.8.0

Function aj3dVectorAngle

Prototype

float aj3dVectorAngle (
      const AjP3dVector first,
      const AjP3dVector second
);

Type	Name	Read/Write	Description
const AjP3dVector	first	Input	first vector
const AjP3dVector	second	Input	second vector
float		RETURN	angle between vectors in degrees

From EMBOSS 2.8.0

Function aj3dVectorDihedralAngle

Prototype

float aj3dVectorDihedralAngle (
      const AjP3dVector veca,
      const AjP3dVector vecb,
      const AjP3dVector vecc
);

Type	Name	Read/Write	Description
const AjP3dVector	veca	Input	Vector A
const AjP3dVector	vecb	Input	Vector B
const AjP3dVector	vecc	Input	Vector C
float		RETURN	dihedral angle

From EMBOSS 2.8.0

Function aj3dVectorDotProduct

Prototype

float aj3dVectorDotProduct (
      const AjP3dVector first,
      const AjP3dVector second
);

Type	Name	Read/Write	Description
const AjP3dVector	first	Input	first vector
const AjP3dVector	second	Input	second vector
float		RETURN	dot product of first and second vectors

From EMBOSS 2.8.0

Function aj3dVectorSum

Prototype

void aj3dVectorSum (
      const AjP3dVector first,
      const AjP3dVector second,
      AjP3dVector sum
);

Type	Name	Read/Write	Description
const AjP3dVector	first	Input	first vector
const AjP3dVector	second	Input	second vector
AjP3dVector	sum	Output	sum of first and second vectors
void		RETURN

From EMBOSS 2.8.0