#include <GeometryFunctions.h>

Static Public Member Functions
static te::gm::GeometryVector	AddProjectedCoordinates (const te::gm::GeometryVectorConst &geometryVector, double distance, bool &wasChanged)
	Detects and adds all the coordinates from given geometryVector which projected coordinates lies within any segment of the geometries and is within the given 'distance'.

static double	CalculateDistance (const te::gm::Coord2D &c1, const te::gm::Coord2D &c2)
	Calculates the distance between c1 and c2.

static double	CalculateSquaredDistance (const te::gm::Coord2D &c1, const te::gm::Coord2D &c2)
	Calculates the squared distance between c1 and c2, that is, the distance calculation without the final square root step. This is particularly useful when we just need to compare distance values, and not know the distance itself.

static double	CalculateSquaredDistance (const te::gm::Point &p1, const te::gm::Point &p2)
	Calculates the squared distance between p1 and p2, that is, the distance calculation without the final square root step. This is particularly useful when we just need to compare distance values, and not know the distance itself.

static bool	IsEqual (const te::gm::Coord2D &c1, const te::gm::Coord2D &c2)
	Checks if a coordinate c1 is exactly equal to the coordinate c2.

static bool	IsEqual (const te::gm::Point &p1, const te::gm::Point &p2)
	Checks if a point p1 is exactly equal to the point p2.

static bool	IsEqual (double x1, double y1, double x2, double y2)
	Checks if a coordinate (x1, x2) is exactly equal to the coordinate (x2, y2)

static bool	IsOnLine (const te::gm::Coord2D &coordToCheck, const te::gm::Coord2D &c1, const te::gm::Coord2D &c2)
	Checks if the given coordToCheck lies within the line.

static bool	IsWithinDistance (const te::gm::Coord2D &c1, const te::gm::Coord2D &c2, double distance)
	Checks in an optimized way if the given coordinates are within the given distance. The optimization is achieved by avoiding the calculation of the square root.

static bool	IsWithinDistance (const te::gm::Point &p1, const te::gm::Point &p2, double distance)
	Checks in an optimized way if the given coordinates are within the given distance. The optimization is achieved by avoiding the calculation of the square root.

static double	PerpendicularDistance (const te::gm::Coord2D &first, const te::gm::Coord2D &last, const te::gm::Coord2D &pin, te::gm::Coord2D &projectedCoordinate, bool &isOnSegment)
	Calculate the perpendicular distance of a point in a segment.

static double	PerpendicularDistance (const te::gm::Point &first, const te::gm::Point &last, const te::gm::Point &pin, te::gm::Point &projectedPoint, bool &isOnSegment)
	Calculate the perpendicular distance of a point in a segment.

static double	PerpendicularSquaredDistance (const te::gm::Coord2D &first, const te::gm::Coord2D &last, const te::gm::Coord2D &pin, te::gm::Coord2D &projectedCoordinate, bool &isOnSegment)
	Calculate the perpendicular squared distance of a point in a segment.

static double	PerpendicularSquaredDistance (const te::gm::Point &first, const te::gm::Point &last, const te::gm::Point &pin, Point &projectedPoint, bool &isOnSegment)
	Calculate the perpendicular squared distance of a point in a segment.

Detailed Description

Definition at line 47 of file GeometryFunctions.h.

Member Function Documentation

◆ AddProjectedCoordinates()

static te::gm::GeometryVector te::gm::Distance::AddProjectedCoordinates	(	const te::gm::GeometryVectorConst &	geometryVector,
		double	distance,
		bool &	wasChanged
	)

static

Detects and adds all the coordinates from given geometryVector which projected coordinates lies within any segment of the geometries and is within the given 'distance'.

Parameters

geometryVector	The geometryVector to be processed.
distance	The distance to be considered for the projected coordinates

Returns: The processed geometryVector

◆ CalculateDistance()

static double te::gm::Distance::CalculateDistance	(	const te::gm::Coord2D &	c1,
		const te::gm::Coord2D &	c2
	)

static

Calculates the distance between c1 and c2.

Parameters

c1	The first coordinate
c2	The second coordinate

Returns: The distance between the given coordinates

◆ CalculateSquaredDistance() [1/2]

static double te::gm::Distance::CalculateSquaredDistance	(	const te::gm::Coord2D &	c1,
		const te::gm::Coord2D &	c2
	)

static

Calculates the squared distance between c1 and c2, that is, the distance calculation without the final square root step. This is particularly useful when we just need to compare distance values, and not know the distance itself.

Parameters

c1	The first coordinate
c2	The second coordinate

Returns: The squared distance between the given coordinates

Referenced by te::gm::CoordDistanceOrderFunctor::operator()(), and te::gm::PointDistanceOrderFunctor::operator()().

◆ CalculateSquaredDistance() [2/2]

static double te::gm::Distance::CalculateSquaredDistance	(	const te::gm::Point &	p1,
		const te::gm::Point &	p2
	)

static

Calculates the squared distance between p1 and p2, that is, the distance calculation without the final square root step. This is particularly useful when we just need to compare distance values, and not know the distance itself.

Parameters

c1	The first point
c2	The second point

Returns: The squared distance between the given coordinates

◆ IsEqual() [1/3]

static bool te::gm::Distance::IsEqual	(	const te::gm::Coord2D &	c1,
		const te::gm::Coord2D &	c2
	)

static

Checks if a coordinate c1 is exactly equal to the coordinate c2.

Parameters

c1	The first coordinate
c2	The second coordinate

Returns: TRUE if the points are equal. FALSE otherwise

◆ IsEqual() [2/3]

static bool te::gm::Distance::IsEqual	(	const te::gm::Point &	p1,
		const te::gm::Point &	p2
	)

static

Checks if a point p1 is exactly equal to the point p2.

Parameters

p1	The first point
p2	The second point

Returns: TRUE if the points are equal. FALSE otherwise

◆ IsEqual() [3/3]

static bool te::gm::Distance::IsEqual	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

static

Checks if a coordinate (x1, x2) is exactly equal to the coordinate (x2, y2)

Parameters

x1	The X of the first coordinate
y1	The Y of the first coordinate
x2	The X of the second coordinate
y2	The Y of the second coordinate

Returns: TRUE if the points are equal. FALSE otherwise

◆ IsOnLine()

static bool te::gm::Distance::IsOnLine	(	const te::gm::Coord2D &	coordToCheck,
		const te::gm::Coord2D &	c1,
		const te::gm::Coord2D &	c2
	)

static

Checks if the given coordToCheck lies within the line.

Parameters

coordToCheck	The coordinate to be checked
c1	First coordinate of the line segment
c2	Last coordinate of the line segment

Returns: TRUE if the coordinate lies within the segment. FALSE otherwise

◆ IsWithinDistance() [1/2]

static bool te::gm::Distance::IsWithinDistance	(	const te::gm::Coord2D &	c1,
		const te::gm::Coord2D &	c2,
		double	distance
	)

static

Checks in an optimized way if the given coordinates are within the given distance. The optimization is achieved by avoiding the calculation of the square root.

Parameters

c1	The first coordinate
c2	The second coordinate
distance	The distance to be considered

Returns: TRUE if the coordinates are within the given distance. FALSE otherwise

◆ IsWithinDistance() [2/2]

static bool te::gm::Distance::IsWithinDistance	(	const te::gm::Point &	p1,
		const te::gm::Point &	p2,
		double	distance
	)

static

Checks in an optimized way if the given coordinates are within the given distance. The optimization is achieved by avoiding the calculation of the square root.

Parameters

p1	The first point
p2	The second point
distance	The distance to be considered

Returns: TRUE if the coordinates are within the given distance. FALSE otherwise

◆ PerpendicularDistance() [1/2]

static double te::gm::Distance::PerpendicularDistance	(	const te::gm::Coord2D &	first,
		const te::gm::Coord2D &	last,
		const te::gm::Coord2D &	pin,
		te::gm::Coord2D &	projectedCoordinate,
		bool &	isOnSegment
	)

static

Calculate the perpendicular distance of a point in a segment.

Parameters

first	The first segment coordinate.
last	The last segment coordinate.
pin	The coordinate to be calculated.
pinter	A intern coordinate calculated based on pin projected intersection with the segment.

Returns: The perpendicular distance.

◆ PerpendicularDistance() [2/2]

static double te::gm::Distance::PerpendicularDistance	(	const te::gm::Point &	first,
		const te::gm::Point &	last,
		const te::gm::Point &	pin,
		te::gm::Point &	projectedPoint,
		bool &	isOnSegment
	)

static

Calculate the perpendicular distance of a point in a segment.

Parameters

first	The first segment point.
last	The last segment point.
pin	The point to be calculated.
pinter	A intern point calculated based on pin projected intersection with the segment.

Returns: The perpendicular distance.

◆ PerpendicularSquaredDistance() [1/2]

static double te::gm::Distance::PerpendicularSquaredDistance	(	const te::gm::Coord2D &	first,
		const te::gm::Coord2D &	last,
		const te::gm::Coord2D &	pin,
		te::gm::Coord2D &	projectedCoordinate,
		bool &	isOnSegment
	)

static

Calculate the perpendicular squared distance of a point in a segment.

Parameters

first	The first segment coordinate.
last	The last segment coordinate.
pin	The coordinate to be calculated.
pinter	A intern coordinate calculated based on pin projected intersection with the segment.

Returns: The perpendicular distance.

◆ PerpendicularSquaredDistance() [2/2]

static double te::gm::Distance::PerpendicularSquaredDistance	(	const te::gm::Point &	first,
		const te::gm::Point &	last,
		const te::gm::Point &	pin,
		Point &	projectedPoint,
		bool &	isOnSegment
	)

static

Calculate the perpendicular squared distance of a point in a segment.

Parameters

first	The first segment point.
last	The last segment point.
pin	The point to be calculated.
pinter	A intern point calculated based on pin projected intersection with the segment.

Returns: The perpendicular distance.

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

/home/castejon/castejon_files/develop/terralib5/git_release/src/terralib/geometry/GeometryFunctions.h

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ AddProjectedCoordinates()

◆ CalculateDistance()

◆ CalculateSquaredDistance() [1/2]

◆ CalculateSquaredDistance() [2/2]

◆ IsEqual() [1/3]

◆ IsEqual() [2/3]

◆ IsEqual() [3/3]

◆ IsOnLine()

◆ IsWithinDistance() [1/2]

◆ IsWithinDistance() [2/2]

◆ PerpendicularDistance() [1/2]

◆ PerpendicularDistance() [2/2]

◆ PerpendicularSquaredDistance() [1/2]

◆ PerpendicularSquaredDistance() [2/2]