Detailed Description

Returns 1 minus the cosine of the angle between the two vectors with the origin.

#include <GDistance.h>

Inheritance diagram for GClasses::GKernelDistance:

Public Member Functions
	GKernelDistance (GKernel *pKernel, bool own)

	GKernelDistance (GDomNode *pNode)

virtual	~GKernelDistance ()

virtual void	init (const GRelation *pRelation, bool own)
	See the comment for GDistanceMetric::init. More...

virtual const char *	name () const
	Returns the name of this class. More...

virtual GDomNode *	serialize (GDom *pDoc) const
	See the comment for GDistanceMetric::serialize. More...

virtual double	squaredDistance (const GVec &a, const GVec &b) const
	Returns the distance (using the norm passed to the constructor) between pA and pB. More...

Public Member Functions inherited from GClasses::GDistanceMetric
	GDistanceMetric ()

	GDistanceMetric (GDomNode *pNode)

virtual	~GDistanceMetric ()

double	operator() (const GVec &a, const GVec &b) const
	Return squaredDistance(pA, pB). Allows dissimilarity metrics to be used as function objects. Do not override. Override squaredDistance(pA,pB) instead. See GDistanceMetric::squaredDistance(const GVec&, const GVec&) More...

const GRelation *	relation () const
	Returns the relation that specifies the meaning of the vector elements. More...

virtual GVec &	scaleFactors ()
	Returns a reference to the vector of attribute scalars. More...

Protected Attributes
bool	m_ownKernel

GKernel *	m_pKernel

Protected Attributes inherited from GClasses::GDistanceMetric
bool	m_ownRelation

const GRelation *	m_pRelation

GVec	m_scaleFactors

Additional Inherited Members
Static Public Member Functions inherited from GClasses::GDistanceMetric
static GDistanceMetric *	deserialize (GDomNode *pNode)
	Deserializes a distance metric. More...

static void	test ()

Protected Member Functions inherited from GClasses::GDistanceMetric
GDomNode *	baseDomNode (GDom *pDoc) const

void	setRelation (const GRelation *pRelation, bool own)
	Sets the relation to use with this metric. Takes ownership of the relation iff own is true. More...