QgsVector Class Reference

A class to represent a vector. More...

#include <qgspoint.h>

Public Member Functions
	QgsVector ()
	QgsVector (double x, double y)
QgsVector	operator- (void) const
QgsVector	operator* (double scalar) const
QgsVector	operator/ (double scalar) const
double	operator* (QgsVector v) const
double	length () const
double	x () const
double	y () const
QgsVector	perpVector () const
double	angle (void) const
double	angle (QgsVector v) const
QgsVector	rotateBy (double rot) const
QgsVector	normal () const

Private Attributes
double	m_x
double	m_y

Detailed Description

A class to represent a vector.

Currently no Z axis / 2.5D support is implemented.

Definition at line 32 of file qgspoint.h.

Constructor & Destructor Documentation

QgsVector::QgsVector

(

)

Definition at line 31 of file qgspoint.cpp.

Referenced by operator*(), operator-(), perpVector(), and rotateBy().

QgsVector::QgsVector	(	double	x,
		double	y
	)

Definition at line 35 of file qgspoint.cpp.

Member Function Documentation

double QgsVector::angle

(

void

)

const

Definition at line 80 of file qgspoint.cpp.

References M_PI, m_x, and m_y.

Referenced by angle().

double QgsVector::angle

(

QgsVector

v

)

const

Definition at line 86 of file qgspoint.cpp.

References angle().

double QgsVector::length

(

)

const

Definition at line 59 of file qgspoint.cpp.

References m_x, and m_y.

Referenced by QgsGeometryValidator::checkRingIntersections(), QgsGeometryValidator::distLine2Point(), normal(), rotateBy(), and QgsGeometryValidator::validatePolyline().

QgsVector QgsVector::normal

(

)

const

Definition at line 98 of file qgspoint.cpp.

References length().

QgsVector QgsVector::operator*

(

double

scalar

)

const

Definition at line 44 of file qgspoint.cpp.

References m_x, m_y, and QgsVector().

double QgsVector::operator*

(

QgsVector

v

)

const

Definition at line 54 of file qgspoint.cpp.

References m_x, and m_y.

QgsVector QgsVector::operator-

(

void

)

const

Definition at line 39 of file qgspoint.cpp.

References m_x, m_y, and QgsVector().

QgsVector QgsVector::operator/

(

double

scalar

)

const

Definition at line 49 of file qgspoint.cpp.

QgsVector QgsVector::perpVector

(

)

const

Definition at line 75 of file qgspoint.cpp.

References m_x, m_y, and QgsVector().

Referenced by QgsGeometryValidator::checkRingIntersections(), and QgsGeometryValidator::validatePolyline().

QgsVector QgsVector::rotateBy

(

double

rot

)

const

Definition at line 91 of file qgspoint.cpp.

References length(), m_x, m_y, and QgsVector().

double QgsVector::x

(

)

const

Definition at line 64 of file qgspoint.cpp.

References m_x.

Referenced by QgsGeometryValidator::distLine2Point(), QgsGeometryValidator::intersectLines(), QgsPoint::operator+(), and QgsPoint::operator-().

double QgsVector::y

(

)

const

Definition at line 69 of file qgspoint.cpp.

References m_y.

Referenced by QgsGeometryValidator::distLine2Point(), QgsGeometryValidator::intersectLines(), QgsPoint::operator+(), and QgsPoint::operator-().

Member Data Documentation

double QgsVector::m_x

private

Definition at line 34 of file qgspoint.h.

Referenced by angle(), length(), operator*(), operator-(), perpVector(), rotateBy(), and x().

double QgsVector::m_y

private

Definition at line 34 of file qgspoint.h.

Referenced by angle(), length(), operator*(), operator-(), perpVector(), rotateBy(), and y().

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

• /tmp/buildd/qgis-2.0.1/src/core/qgspoint.h
• /tmp/buildd/qgis-2.0.1/src/core/qgspoint.cpp