ImgRoutines Class Reference

Inheritance diagram for ImgRoutines:

List of all members.

Public Member Functions
	ImgRoutines (Data2D< int > a)
void	diff (Data2D< int > a)
int	maxVal ()
int	markRegions ()
int	markRegions (int low_thresh, int high_thresh)
int	linearizeRegions (LinearFit **lfit)
void	markLines (LinearFit *allLines, int numLines, int val)
void	morphClose (int val)
void	morphDilate (int val)
void	morphErode ()
void	morphMakeConnected (int val)
int	thinRegions ()
void	markBoundary (int dx, int dy, int mark)
void	lowerBound (int thresh, int val)
void	upperBound (int thresh, int val)
void	thresh (int lowerThresh, int upperThresh, int val)
void	removeSpeckle (int half_kernel_size)
void	dispEdgeFilter ()
int	getNumTransitions (int i, int j)
int	getNumNeighbors (int i, int j)
int	write_pgm (const char *filename, int scaleValues=0) const
	Writes the data out to a pgm (portable gray map) file.
void	showImage (const char *filename, bool inBackground) const
	Shows image by using the "xv" command found in your search path.
void	set_val (int x, int y, intinput_value)
	Set the value at xth row and yth col.
void	set_val (intinput_value)
	Set all values to be input_value.
int	get_val (int x, int y) const
	Get the value at xth row and yth col.
int	dim_x () const
	Number of rows.
int	dim_y () const
	Number of cols.
int	num_copies () const
	Number of copies.
void	incr (int x, int y, intincr_val=1)
	Increment pixel at x,y by incr_val.
XImage *	create_ximage (Display *display, Visual *visual, XColor *colors) const
	Creates an XImage out of the data .
char	mapped_color (intdata_value, XColor *colors) const
	Overlad this call to get a new color mapping.
Data2D< int >	twin () const
	To construct two separate instances of the data.
Data2D< int >	roundOff () const
	Will round off all the values in a Data2D<double>, for example.
Data2D< int >	crop (size_t x1, size_t y1, size_t x2, size_t y2) const
	Crop the image to the top-left and bottom-right location given.
Data2D< int >	zeropad (int newSize) const
	Zeropad and return a square object of size newSize,newSize.
Data2D< int >	removezeropad (int newSize) const
	Crop the image around the edges to get a square object of size newSize, newSize.
void	convolve (const Data2D< double > &kernel)
	Convolve this data using the kernel provided.
void	convolve (const Data2D< int > &kernel)
	Convolve this data using the kernel provided.
void	print_out () const
	prints, to standard output, the elements of the array as a table
void	print_out (const char *format) const
	prints, to standard output, the elements of the array as a table
void	surface_print_out () const
	prints, to standard output, the elements of the array for inpuyt into a surface plot.
Static Public Member Functions
static Data2D< int >	makeBigger (Data2D< int > a, int num)
static Data2D< int >	makeSmaller (Data2D< int > a, int denom)
static Data2D< int >	read_pgm (const char *filename)
	To read a 2D data from a pgm file.
Protected Member Functions
int	allocateData2D (int sx, int sy)
	To allocate data of sx rows and sy columns.
void	destruct_self ()
	Release allocated data.
Protected Attributes
int **	data
	2D array of data.
int	size_x
	Number of rows.
int	size_y
	Number of columns.
int *	num_pointers
	The total number of objects pointing to this data.

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Constructor & Destructor Documentation

ImgRoutines::ImgRoutines

(

Data2D< int >

a

)

[inline]

---

Member Function Documentation

int Data2D< int >::allocateData2D	(	int	sx,
		int	sy
	)			[protected, inherited]

To allocate data of sx rows and sy columns.

void Data2D< int >::convolve

(

const Data2D< int > &

kernel

)

[inherited]

Convolve this data using the kernel provided.

See FFTObj for a more efficient implementation.

void Data2D< int >::convolve

(

const Data2D< double > &

kernel

)

[inherited]

Convolve this data using the kernel provided.

See FFTObj for a more efficient implementation.

XImage* Data2D< int >::create_ximage	(	Display *	display,
		Visual *	visual,
		XColor *	colors
	)			const [inherited]

Creates an XImage out of the data .

.. This uses Xlib calls. Remember to destroy using XDestroyImage ... Overload the mapped color call to get a new color mapping ...

Data2D<int > Data2D< int >::crop	(	size_t	x1,
		size_t	y1,
		size_t	x2,
		size_t	y2
	)			const [inherited]

Crop the image to the top-left and bottom-right location given.

void Data2D< int >::destruct_self

(

)

[protected, inherited]

Release allocated data.

void ImgRoutines::diff

(

Data2D< int >

a

)

int Data2D< int >::dim_x

(

)

const [inline, inherited]

Number of rows.

int Data2D< int >::dim_y

(

)

const [inline, inherited]

Number of cols.

void ImgRoutines::dispEdgeFilter

(

)

int Data2D< int >::get_val	(	int	x,
		int	y
	)			const [inline, inherited]

Get the value at xth row and yth col.

Does no bound-checking.

int ImgRoutines::getNumNeighbors	(	int	i,
		int	j
	)

int ImgRoutines::getNumTransitions	(	int	i,
		int	j
	)

void Data2D< int >::incr	(	int	x,
		int	y,
		int	incr_val = 1
	)			[inline, inherited]

Increment pixel at x,y by incr_val.

int ImgRoutines::linearizeRegions

(

LinearFit **

lfit

)

void ImgRoutines::lowerBound	(	int	thresh,
		int	val
	)

static Data2D<int> ImgRoutines::makeBigger	(	Data2D< int >	a,
		int	num
	)			[static]

static Data2D<int> ImgRoutines::makeSmaller	(	Data2D< int >	a,
		int	denom
	)			[static]

char Data2D< int >::mapped_color	(	int	data_value,
		XColor *	colors
	)			const [inherited]

Overlad this call to get a new color mapping.

void ImgRoutines::markBoundary	(	int	dx,
		int	dy,
		int	mark
	)

void ImgRoutines::markLines	(	LinearFit *	allLines,
		int	numLines,
		int	val
	)

int ImgRoutines::markRegions	(	int	low_thresh,
		int	high_thresh
	)

int ImgRoutines::markRegions

(

)

int ImgRoutines::maxVal

(

)

void ImgRoutines::morphClose

(

int

val

)

void ImgRoutines::morphDilate

(

int

val

)

void ImgRoutines::morphErode

(

)

void ImgRoutines::morphMakeConnected

(

int

val

)

int Data2D< int >::num_copies

(

)

const [inline, inherited]

Number of copies.

void Data2D< int >::print_out

(

const char *

format

)

const [inherited]

prints, to standard output, the elements of the array as a table

void Data2D< int >::print_out

(

)

const [inherited]

prints, to standard output, the elements of the array as a table

static Data2D<int> Data2D< int >::read_pgm

(

const char *

filename

)

[static, inherited]

To read a 2D data from a pgm file.

void ImgRoutines::removeSpeckle

(

int

half_kernel_size

)

Data2D<int > Data2D< int >::removezeropad

(

int

newSize

)

const [inherited]

Crop the image around the edges to get a square object of size newSize, newSize.

Data2D<int> Data2D< int >::roundOff

(

)

const [inherited]

Will round off all the values in a Data2D<double>, for example.

void Data2D< int >::set_val

(

int

input_value

)

[inline, inherited]

Set all values to be input_value.

void Data2D< int >::set_val	(	int	x,
		int	y,
		int	input_value
	)			[inline, inherited]

Set the value at xth row and yth col.

Does no bound-checking.

void Data2D< int >::showImage	(	const char *	filename,
		bool	inBackground
	)			const [inherited]

Shows image by using the "xv" command found in your search path.

void Data2D< int >::surface_print_out

(

)

const [inherited]

prints, to standard output, the elements of the array for inpuyt into a surface plot.

int ImgRoutines::thinRegions

(

)

void ImgRoutines::thresh	(	int	lowerThresh,
		int	upperThresh,
		int	val
	)

Data2D<int > Data2D< int >::twin

(

)

const [inherited]

To construct two separate instances of the data.

void ImgRoutines::upperBound	(	int	thresh,
		int	val
	)

int Data2D< int >::write_pgm	(	const char *	filename,
		int	scaleValues = 0
	)			const [inherited]

Writes the data out to a pgm (portable gray map) file.

The default is to not modify the data in any way. If your data can be > 255, you could scale it for viewing. Negative numbers are always written out as zero.

Data2D<int > Data2D< int >::zeropad

(

int

newSize

)

const [inherited]

Zeropad and return a square object of size newSize,newSize.

A rectangular version is not provided because I've never needed it.

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Member Data Documentation

int ** Data2D< int >::data [protected, inherited]

2D array of data.

int* Data2D< int >::num_pointers [protected, inherited]

The total number of objects pointing to this data.

int Data2D< int >::size_x [protected, inherited]

Number of rows.

int Data2D< int >::size_y [protected, inherited]

Number of columns.

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