Region Class Reference

#include <Region.h>

Inheritance diagram for Region:

[legend]

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Detailed Description

Definition at line 20 of file Region.h.

List of all members.

Public Member Functions
	Region (const SketchSpace &_space)
	initializes all properties to be NOTCOMPUTED
	~Region ()
Sketch< bool >	getRendering () const
	Render a region as a Sketch<bool>
bool	operator< (const Region &other) const
void	recomputeProperties ()
int	findTopBound ()
int	findBotBound ()
int	findLeftBound ()
int	findRightBound ()
Point	findTopBoundPoint ()
Point	findBotBoundPoint ()
Point	findLeftBoundPoint ()
Point	findRightBoundPoint ()
bool	isContained (const Point &, const uint max_dist=0)
Point	mostDistantPtFrom (const LineData &)
float	findMoment (size_t p, size_t q)
	Calculates the two-dimensional Cartesian moment Mpq.
float	findCentralMoment (size_t p, size_t q)
float	findNormCentralMoment (size_t p, size_t q)
	Finds the area-normalized central moment.
int	findArea ()
Point	findCentroid ()
	returns coords of center of mass
AngPi	findPrincipalAxisOrientation ()
	Returns the angle of the orientation of the principal axis in radians.
float	findSemiMajorAxisLength ()
	Returns the length of the semi-major (x) axis of the image ellipse.
float	findSemiMinorAxisLength ()
	Returns the length of the semi-minor (y) axis of the image ellipse.
float	findRadius ()
const SketchSpace &	getSpace () const
Region &	operator= (const Region &other)
Static Public Member Functions
static std::list< Region >	extractRegions (const Sketch< uint > &labels, uint area_thresh=10)
	Returns a list of the different Regions in labels, sorted by area.
static Region	extractRegion (const Sketch< bool > &sketch)
	Return a single region from a Sketch<bool>
Private Member Functions
int	findXcoordFor (const coordinate_t y_coord)
int	findYcoordFor (const coordinate_t x_coord)
Private Attributes
const SketchSpace &	space
int	topBound
int	botBound
int	leftBound
int	rightBound
float	moments [MAX_MOMENT+1][MAX_MOMENT+1]
float	cmoments [MAX_MOMENT+1][MAX_MOMENT+1]
int	area

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Constructor & Destructor Documentation

Region

(

const SketchSpace &

_space

)

initializes all properties to be NOTCOMPUTED

Definition at line 18 of file Region.cc.

~Region

(

)

Definition at line 23 of file Region.h.

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Member Function Documentation

Region extractRegion

(

const Sketch< bool > &

sketch

)

[static]

Return a single region from a Sketch<bool>

Definition at line 69 of file Region.cc.

Referenced by BrickData::extractBrick(), PyramidData::findBoundingTriangle(), and BlobData::findCornersDiagonal().

std::list< Region > extractRegions	(	const Sketch< uint > &	labels,
		uint	area_thresh = 10
	)			[static]

Returns a list of the different Regions in labels, sorted by area.

Definition at line 38 of file Region.cc.

Referenced by EllipseData::extractEllipses(), NaughtData::extractNaughts(), and SphereData::extractSpheres().

int findArea

(

)

Definition at line 304 of file Region.cc.

Referenced by Region::findCentroid(), Region::findNormCentralMoment(), Region::findSemiMajorAxisLength(), and Region::findSemiMinorAxisLength().

int findBotBound

(

)

Definition at line 106 of file Region.cc.

Referenced by Region::findBotBoundPoint(), Region::findCentralMoment(), and Region::findMoment().

Point findBotBoundPoint

(

)

Definition at line 177 of file Region.cc.

Referenced by LineData::splitLine().

float findCentralMoment	(	size_t	p,
		size_t	q
	)

Definition at line 257 of file Region.cc.

Referenced by Region::findNormCentralMoment(), Region::findPrincipalAxisOrientation(), Region::findSemiMajorAxisLength(), and Region::findSemiMinorAxisLength().

Point findCentroid

(

)

returns coords of center of mass

Definition at line 313 of file Region.cc.

Referenced by Region::findCentralMoment().

int findLeftBound

(

)

Definition at line 121 of file Region.cc.

Referenced by Region::findCentralMoment(), Region::findLeftBoundPoint(), and Region::findMoment().

Point findLeftBoundPoint

(

)

Definition at line 181 of file Region.cc.

Referenced by LineData::splitLine().

float findMoment	(	size_t	p,
		size_t	q
	)

Calculates the two-dimensional Cartesian moment Mpq.

Definition at line 222 of file Region.cc.

Referenced by Region::findCentroid().

float findNormCentralMoment	(	size_t	p,
		size_t	q
	)

Finds the area-normalized central moment.

Definition at line 297 of file Region.cc.

AngPi findPrincipalAxisOrientation

(

)

Returns the angle of the orientation of the principal axis in radians.

Definition at line 335 of file Region.cc.

Referenced by Shape< EllipseData >::Shape().

float findRadius

(

)

Definition at line 78 of file Region.h.

int findRightBound

(

)

Definition at line 136 of file Region.cc.

Referenced by Region::findCentralMoment(), Region::findMoment(), and Region::findRightBoundPoint().

Point findRightBoundPoint

(

)

Definition at line 185 of file Region.cc.

Referenced by LineData::splitLine().

float findSemiMajorAxisLength

(

)

Returns the length of the semi-major (x) axis of the image ellipse.

Definition at line 340 of file Region.cc.

Referenced by Region::findRadius(), and Shape< EllipseData >::Shape().

float findSemiMinorAxisLength

(

)

Returns the length of the semi-minor (y) axis of the image ellipse.

Definition at line 348 of file Region.cc.

Referenced by Shape< EllipseData >::Shape().

int findTopBound

(

)

Definition at line 91 of file Region.cc.

Referenced by Region::findCentralMoment(), Region::findMoment(), and Region::findTopBoundPoint().

Point findTopBoundPoint

(

)

Definition at line 173 of file Region.cc.

Referenced by LineData::splitLine().

int findXcoordFor

(

const coordinate_t

y_coord

)

[private]

Definition at line 152 of file Region.cc.

Referenced by Region::findBotBoundPoint(), and Region::findTopBoundPoint().

int findYcoordFor

(

const coordinate_t

x_coord

)

[private]

Definition at line 164 of file Region.cc.

Referenced by Region::findLeftBoundPoint(), and Region::findRightBoundPoint().

Sketch<bool> getRendering

(

)

const

Render a region as a Sketch<bool>

Definition at line 34 of file Region.h.

const SketchSpace& getSpace

(

)

const

Definition at line 97 of file Region.h.

bool isContained	(	const Point &	pt,
		const uint	max_dist = 0
	)

Definition at line 190 of file Region.cc.

Referenced by LineData::splitLine().

Point mostDistantPtFrom

(

const LineData &

ln

)

Definition at line 203 of file Region.cc.

Referenced by LineData::splitLine().

bool operator<

(

const Region &

other

)

const

Compares areas of two Regions; really only used to sort Regions assumes area already calculated Notes that it actually returns greater-than instead of less-than, so that lists are sorted with biggest areas first

Definition at line 89 of file Region.cc.

Region & operator=

(

const Region &

other

)

Definition at line 357 of file Region.cc.

void recomputeProperties

(

)

sets all properties to be NOTCOMPUTED called after making changes (either addition/deletion) to table

Definition at line 28 of file Region.cc.

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Member Data Documentation

int area [private]

Definition at line 91 of file Region.h.

Referenced by Region::extractRegion(), Region::findArea(), Region::findCentroid(), Region::operator<(), Region::operator=(), and Region::recomputeProperties().

int botBound [private]

Definition at line 84 of file Region.h.

Referenced by Region::findBotBound(), Region::operator=(), and Region::recomputeProperties().

float cmoments[MAX_MOMENT+1][MAX_MOMENT+1] [private]

Definition at line 89 of file Region.h.

Referenced by Region::findCentralMoment(), Region::operator=(), Region::recomputeProperties(), and Region::Region().

int leftBound [private]

Definition at line 85 of file Region.h.

Referenced by Region::findLeftBound(), Region::operator=(), and Region::recomputeProperties().

float moments[MAX_MOMENT+1][MAX_MOMENT+1] [private]

Definition at line 88 of file Region.h.

Referenced by Region::findMoment(), Region::operator=(), Region::recomputeProperties(), and Region::Region().

int rightBound [private]

Definition at line 86 of file Region.h.

Referenced by Region::findRightBound(), Region::operator=(), and Region::recomputeProperties().

const SketchSpace& space [private]

Definition at line 81 of file Region.h.

Referenced by Region::findBotBound(), Region::findCentralMoment(), Region::findLeftBound(), Region::findMoment(), Region::findRightBound(), Region::findTopBound(), Region::findXcoordFor(), Region::findYcoordFor(), Region::getRendering(), Region::getSpace(), Region::isContained(), and Region::mostDistantPtFrom().

int topBound [private]

Definition at line 83 of file Region.h.

Referenced by Region::findTopBound(), Region::operator=(), and Region::recomputeProperties().

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

• Region.h
• Region.cc