edu.stanford.rsl.conrad.data

Class Grid2D

java.lang.Object

edu.stanford.rsl.conrad.data.Grid

edu.stanford.rsl.conrad.data.Grid2D

All Implemented Interfaces:

Transformable

Direct Known Subclasses:

BinaryWeights, BinaryWeights_erodeByOne, BinaryWeights_Normal, CompensationWeights, copyRedundantData, Grid2DComplex, ParkerWeights, Phantom, SilverWeights

public class Grid2D
extends Grid
implements Transformable

The two-dimensional version of a Grid.

Author:

Andreas Keil

See Also:

Grid

Constructor Summary

Constructors

Constructor and Description
Grid2D(float[] buffer, int[] size)
Grid2D(float[] buffer, int width, int height)
Grid2D(Grid2D input)
Grid2D(int width, int height)

Method Summary

Methods

Modifier and Type	Method and Description
void	addAtIndex(int i, int j, float val)
void	applyTransform(Transform t) Applies the Transform t to the object.
Grid	clone() Deep copy the object
void	divideAtIndex(int i, int j, float val)
float	getAtIndex(int i, int j)
float[]	getBuffer() Returns a reference to the linear buffer containing the 2D image in a row-first manner.
int	getHeight() Gets the grid's height
float[]	getPixels()
float	getPixelValue(int x, int y) Get the pixel value at position (x,y)
Grid1D	getSubGrid(int j) Returns the corresponding Grid1D object that points on the linear 2D row memory
float	getValue(int[] idx)
int	getWidth() Gets the grid's width
double[]	indexToPhysical(double i, double j)
void	multiplyAtIndex(int i, int j, float val)
double[]	physicalToIndex(double x, double y)
void	putPixelValue(int x, int y, double value) Set a pixel value at position (x,y)
void	putPixelValue(int x, int y, float value) Set a pixel value at position (x,y)
void	setAtIndex(int i, int j, float val)
void	setOrigin(double... origin) Set the array origin's world coordinates, given in real world units (usually mm) of the first pixel's center (excluding borders), in all dimensions.
void	setSpacing(double... spacing) Set the array's spacings.
void	show() Show the object in an imageJ window
void	show(java.lang.String title) Show the object in an imageJ window with title
void	subAtIndex(int i, int j, float val)
java.lang.String	toString() Serialize the grid's content to a String.

Methods inherited from class edu.stanford.rsl.conrad.data.Grid

getNumberOfElements, getOrigin, getSize, getSpacing

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Grid2D

public Grid2D(int width,
      int height)

Grid2D

public Grid2D(float[] buffer,
      int[] size)

Grid2D

public Grid2D(float[] buffer,
      int width,
      int height)

Grid2D

public Grid2D(Grid2D input)

Method Detail

getBuffer

public float[] getBuffer()

Returns a reference to the linear buffer containing the 2D image in a row-first manner.

Returns:

the buffer as float array

getSubGrid

public Grid1D getSubGrid(int j)

Returns the corresponding Grid1D object that points on the linear 2D row memory

Parameters:

j - The row-index (y-index, height-index)

Returns:

the sub grid

indexToPhysical

public double[] indexToPhysical(double i,
                       double j)

physicalToIndex

public double[] physicalToIndex(double x,
                       double y)

getAtIndex

public float getAtIndex(int i,
               int j)

setAtIndex

public void setAtIndex(int i,
              int j,
              float val)

addAtIndex

public void addAtIndex(int i,
              int j,
              float val)

multiplyAtIndex

public void multiplyAtIndex(int i,
                   int j,
                   float val)

subAtIndex

public void subAtIndex(int i,
              int j,
              float val)

divideAtIndex

public void divideAtIndex(int i,
                 int j,
                 float val)

toString

public java.lang.String toString()

Description copied from class: Grid

Serialize the grid's content to a String.

Specified by:

toString in class Grid

Returns:

the serialized String, created so that each dimension is wrapped in brackets and entries within one dimension are separated by commas, e.g., [[a, b, c], [d, e, f]]

show

public void show(java.lang.String title)

Description copied from class: Grid

Show the object in an imageJ window with title

Specified by:

show in class Grid

show

public void show()

Description copied from class: Grid

Show the object in an imageJ window

Specified by:

show in class Grid

getPixels

public float[] getPixels()

getWidth

public int getWidth()

Gets the grid's width

Returns:

the width

getHeight

public int getHeight()

Gets the grid's height

Returns:

the height

putPixelValue

public void putPixelValue(int x,
                 int y,
                 float value)

Set a pixel value at position (x,y)

Parameters:

x - The value's x position

y - The value's y position

value - The value to set

putPixelValue

public void putPixelValue(int x,
                 int y,
                 double value)

Set a pixel value at position (x,y)

Parameters:

x - The value's x position

y - The value's y position

value - The value to set

getPixelValue

public float getPixelValue(int x,
                  int y)

Get the pixel value at position (x,y)

Parameters:

x - The value's x position

y - The value's y position

Returns:

the value of the pixel

getValue

public float getValue(int[] idx)

Specified by:

getValue in class Grid

clone

public Grid clone()

Description copied from class: Grid

Deep copy the object

Specified by:

clone in class Grid

applyTransform

public void applyTransform(Transform t)

Description copied from interface: Transformable

Applies the Transform t to the object.

Specified by:

applyTransform in interface Transformable

Parameters:

t - the transform to apply to the object.

setSpacing

public void setSpacing(double... spacing)

Description copied from class: Grid

Set the array's spacings.

Overrides:

setSpacing in class Grid

setOrigin

public void setOrigin(double... origin)

Description copied from class: Grid

Set the array origin's world coordinates, given in real world units (usually mm) of the first pixel's center (excluding borders), in all dimensions.

Overrides:

setOrigin in class Grid