WXP::Points Class Reference

This class creates an array a 2D points (x, y) More...

#include "../include/Points.h"

Public Member Functions
int	init ()
int	init (int size)
	Points ()
	Points (int size)
	~Points ()
	Points (const Points &data)
Points	operator= (const Points &data)
int	copy (const Points &data)
int	copy (const Points &data, int start, int rnum)
int	clear ()
int	expand (int size)
int	add (float x, float y)
int	add (Point pt)
int	add1 (Point pt)
int	add (int ind)
int	add1 (int ind)
int	set (int ind, float rx, float ry)
int	set (int ind, Point &pt)
int	get (int ind, Point &pt)
Point	get (int ind)
int	remove (int ind)
int	insert (int ind, Point &pt)
int	insert (int ind, float x, float y)
float	getX (int ind)
float	getY (int ind)
float	getX1 (int ind)
float	getY1 (int ind)
int	getNum ()
int	offset (int ind, float rx, float ry)
int	offset (float rx, float ry)
int	within (Point &pt)
int	getCenter (Point &pt)
int	getCentroid (Point &pt)
int	print ()

Detailed Description

This class creates an array a 2D points (x, y)

Author

Dan Vietor

Constructor & Destructor Documentation

Points() [1/3]

Points::Points

(

)

Constructor. Initializes the values.

References init().

Points() [2/3]

Points::Points

(

int

size

)

Constructor. Size the arrays.

References init().

~Points()

Points::~Points

(

)

Destructor.

Points() [3/3]

Points::Points

(

const Points &

data

)

Copy constructor.

Parameters

data	Strings class to copy from

References copy().

Member Function Documentation

add() [1/3]

int Points::add	(	float	rx,
		float	ry
	)

Adds a new point.

Parameters

rx	Sets X
ry	Sets Y

References expand().

Referenced by add(), WXP::Lev2Plot::draw(), WXP::MetaPlot::draw(), WXP::RedbookPlot::draw(), WXP::WarnPlot::draw(), WXP::WatchPlot::draw(), WXP::MapPlot::draw(), WXP::CloudPlot::draw(), WXP::WindPlot::drawBarb(), WXP::Plot::drawCircle(), WXP::Graph::drawCircle(), WXP::Graph::drawFill(), WXP::Graph::drawFill(), WXP::MapPlot::drawLatLon(), WXP::Plot::drawLine(), WXP::Graph::drawLine(), WXP::Graph::drawMarkLine(), WXP::Graph::drawRect(), WXP::Plot::drawSpline(), WXP::Graph::drawSymbol(), WXP::WindPlot::drawTrack(), WXP::WindPlot::drawVect(), and WXP::RedbookFile::vector().

add() [2/3]

int Points::add

(

int

ind

)

Adds a new point from the existing list.

Parameters

ind	Index of point to copy to and of list

References add().

add() [3/3]

int Points::add

(

Point

pt

)

Adds a new point.

Parameters

pt	Point class with values

References expand(), WXP::Point::x, and WXP::Point::y.

add1() [1/2]

int WXP::Points::add1 ( int  ind )

inline

Adds an existing point (no bounds check

Parameters

ind	Index of point to add

add1() [2/2]

int WXP::Points::add1 ( Point  pt )

inline

Adds a point (no bounds check

Parameters

pt	Point to add

References WXP::Point::x, and WXP::Point::y.

Referenced by WXP::ContPlot::drawBoxFill(), and WXP::ContPlot::drawFill().

clear()

int WXP::Points::clear ( )

inline

Clears point array

Referenced by WXP::Lev2Plot::draw(), WXP::MetaPlot::draw(), WXP::RedbookPlot::draw(), WXP::WarnPlot::draw(), WXP::WatchPlot::draw(), WXP::MapPlot::draw(), WXP::CloudPlot::draw(), WXP::WindPlot::drawBarb(), WXP::ContPlot::drawBoxFill(), WXP::ContPlot::drawFill(), WXP::Graph::drawFill(), WXP::Graph::drawFill(), WXP::MapPlot::drawLatLon(), WXP::Plot::drawLine(), WXP::Graph::drawLine(), WXP::Graph::drawMarkLine(), WXP::MapPlot::drawSegment(), WXP::Plot::drawSpline(), WXP::Graph::drawSymbol(), WXP::WindPlot::drawTrack(), WXP::WindPlot::drawVect(), and WXP::RedbookFile::vector().

copy() [1/2]

int Points::copy

(

const Points &

data

)

Copy data.

Parameters

epts	Strings class to copy from

References init().

Referenced by WXP::Plot::drawLine(), WXP::Plot::drawSpline(), operator=(), and Points().

copy() [2/2]

int Points::copy	(	const Points &	data,
		int	start,
		int	rnum
	)

Copies a subset of point into array

Parameters

data	Points
start	Starting point within data
rnum	Number of points to copy

References init().

expand()

int Points::expand

(

int

size

)

Expands array size

Parameters

size

New size

Referenced by add(), add(), and insert().

get() [1/2]

Point Points::get

(

int

ind

)

Gets a specific point value from array.

Parameters

ind	Index of value to get

Returns

Output Point class with values

References get().

get() [2/2]

int Points::get	(	int	ind,
		Point &	pt
	)

Gets a specific point value from array.

Parameters

ind	Index of value to get

Return values

pnt	Output Point class with values

References WXP::Point::x, and WXP::Point::y.

Referenced by WXP::Domain::adjust(), WXP::Lev2Plot::draw(), and get().

getCenter()

int Points::getCenter

(

Point &

pt

)

Find a point at the center of the polygon

Return values

pt	Central point

References WXP::Point::init(), within(), WXP::Point::x, and WXP::Point::y.

Referenced by WXP::WarnPlot::draw(), and WXP::WatchPlot::draw().

getCentroid()

int Points::getCentroid

(

Point &

pt

)

Find the centroid of the polygon (averages X and Y). Centroid can be outside of polygon.

Return values

pt	Centroid point

References WXP::Point::x, and WXP::Point::y.

getNum()

int WXP::Points::getNum ( )

inline

Return the number of points

Referenced by WXP::Domain::adjust(), WXP::MetaPlot::draw(), WXP::MapPlot::draw(), WXP::XWindow::drawFill(), WXP::Graph::drawFill(), WXP::MapPlot::drawLatLon(), WXP::XWindow::drawLine(), WXP::Graph::drawLine(), WXP::Plot::drawLine(), WXP::Plot::drawSpline(), WXP::GTran::isPointsInWindow(), WXP::Domain::offsetLine(), and WXP::Domain::wrapLine().

getX()

float WXP::Points::getX ( int  ind )

inline

Returns X value

Parameters

ind	Index in array

References WXP::Const::MISS.

Referenced by WXP::RedbookPlot::draw(), WXP::CloudPlot::draw(), WXP::Plot::drawLine(), WXP::Plot::drawSpline(), WXP::GTran::isPointsInWindow(), WXP::RedbookFile::vector(), and WXP::Domain::wrapLine().

getX1()

float WXP::Points::getX1 ( int  ind )

inline

Returns X value (no bounds check)

Parameters

ind	Index in array

Referenced by WXP::XWindow::drawFill(), WXP::Graph::drawFill(), WXP::XWindow::drawLine(), and WXP::Graph::drawLine().

getY()

float WXP::Points::getY ( int  ind )

inline

Returns Y value

Parameters

ind	Index in array

References WXP::Const::MISS.

Referenced by WXP::RedbookPlot::draw(), WXP::CloudPlot::draw(), WXP::GTran::isPointsInWindow(), WXP::Domain::offsetLine(), WXP::RedbookFile::vector(), and WXP::Domain::wrapLine().

getY1()

float WXP::Points::getY1 ( int  ind )

inline

Returns Y value (no bounds check)

Parameters

ind	Index in array

Referenced by WXP::XWindow::drawFill(), WXP::Graph::drawFill(), WXP::XWindow::drawLine(), and WXP::Graph::drawLine().

init() [1/2]

int Points::init

(

)

Initializes the values

Referenced by copy(), copy(), Points(), and Points().

init() [2/2]

int Points::init

(

int

size

)

Initializes the values

insert() [1/2]

int Points::insert	(	int	ind,
		float	rx,
		float	ry
	)

Insert a point into the array

Parameters

ind	Index to insert the point
rx	X value
ry	Y value

References expand().

insert() [2/2]

int Points::insert	(	int	ind,
		Point &	pt
	)

Insert a point into the array

Parameters

ind	Index to insert the point
pt	Point to insert

References insert(), WXP::Point::x, and WXP::Point::y.

Referenced by insert().

offset() [1/2]

int Points::offset	(	float	rx,
		float	ry
	)

Offsets the entire array.

Parameters

rx	New x value
ry	New y value

offset() [2/2]

int Points::offset	(	int	ind,
		float	rx,
		float	ry
	)

Offsets a specific point value in array.

Parameters

ind	Index of value to set
rx	New x value
ry	New y value

Referenced by WXP::Lev2Plot::draw(), WXP::Graph::drawLine(), WXP::Domain::offsetLine(), and WXP::Domain::wrapLine().

operator=()

Points Points::operator=

(

const Points &

data

)

Assignment operator. Used to overload copying

Parameters

data	String class to copy from

References copy().

print()

int Points::print

(

)

Prints the values to standard output.

Referenced by WXP::MetaPlot::draw().

remove()

int Points::remove

(

int

ind

)

Deletes a specific point from array.

Parameters

ind	Index of point to delete

set() [1/2]

int Points::set	(	int	ind,
		float	rx,
		float	ry
	)

Sets a specific point value in array.

Parameters

ind	Index of value to set
rx	New x value
ry	New y value

Referenced by WXP::Domain::adjust().

set() [2/2]

int Points::set	(	int	ind,
		Point &	pt
	)

Sets a specific point value in array.

Parameters

ind	Index of value to set
pnt	New values

References WXP::Point::x, and WXP::Point::y.

within()

int Points::within

(

Point &

pt

)

Determines if a point is within the array.

Parameters

pt	Point to check

References WXP::Point::x, and WXP::Point::y.

Referenced by getCenter().

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

• Points.h
• Points.cc