org.opensourcephysics.display2d
Class BinaryLattice

java.lang.Object
  org.opensourcephysics.display.MeasuredImage
      org.opensourcephysics.display2d.BinaryLattice

All Implemented Interfaces:

Drawable, Measurable, ByteLattice

public class BinaryLattice
extends MeasuredImage
implements ByteLattice

A BinaryLattice is an array where each array element has a value of 0 or 1. The lattice is drawn as an array of rectangles to distinguish between the two possible values.

Version:

1.0

Author:

Wolfgang Christian

Field Summary

Fields inherited from class org.opensourcephysics.display.MeasuredImage

image, xmax, xmin, ymax, ymin

Constructor Summary

BinaryLattice(int _nx, int _ny)
Constructs a binary lattice with the given size.

Method Summary

void	createDefaultColors() Creates the default palette.
void	draw(DrawingPanel panel, java.awt.Graphics g) Draws the lattice and the grid.
int	getNx() Gets the number of x entries.
int	getNy() Gets the number of y entries.
byte	getValue(int ix, int iy) Gets a value from the given location.
int	indexFromPoint(double x, double y) Determines the lattice index (row-major order) from given x and y world coordinates Returns -1 if the world coordinates are outside the lattice.
void	randomize() Ranomizes the lattice values.
void	resizeLattice(int _nx, int _ny) Resize the lattice.
void	setAll(byte[][] val) Sets a block of data to new values.
void	setAll(byte[][] val, double xmin, double xmax, double ymin, double ymax) Sets the lattice values and scale.
void	setBlock(byte[][] val) Sets a block of data starting at (0,0) to new values.
void	setBlock(int ix_offset, int iy_offset, byte[][] val) Sets a block of cells to new values.
void	setBlock(int x_offset, int y_offset, int[][] val) Sets a block of cells to new values.
void	setCol(int ix, int iy_offset, byte[] val) Sets a column of cells to new values.
void	setCol(int ix, int iy_offset, int[] val) Sets a column of cells to new values.
void	setColorPalette(java.awt.Color[] colors) Sets color palette.
void	setGridLineColor(java.awt.Color color) Sets the grid color.
void	setIndexedColor(int i, java.awt.Color color) Sets the color for a single index.
void	setMinMax(double xmin, double xmax, double ymin, double ymax) Scales the grid to the given values in world units.
void	setRow(int iy, int ix_offset, byte[] val) Sets a row of cells to new values starting at the given column.
void	setRow(int iy, int ix_offset, int[] val) Sets a row of cells to new values starting at the given column.
void	setShowGrid(boolean showGrid) Sets the show grid option.
void	setShowGridLines(boolean showGridLines) Outlines the lattice boundaries with a grid.
void	setValue(int ix, int iy, byte val) Sets the given x,y location to a value.
void	setValue(int ix, int iy, int val) Sets a cell at the given location to a new value.
javax.swing.JFrame	showLegend() Shows the color associated with each value.
int	xToIndex(double x) Gets closest index from the given x world coordinate.
int	yToIndex(double y) Gets closest index from the given y world coordinate.

Methods inherited from class org.opensourcephysics.display.MeasuredImage

getXMax, getXMin, getYMax, getYMin, isMeasured, setImage, setVisible, setXMax, setXMin, setYMax, setYMin

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.opensourcephysics.display2d.ByteLattice

setVisible, setXMax, setXMin, setYMax, setYMin

Methods inherited from interface org.opensourcephysics.display.Measurable

getXMax, getXMin, getYMax, getYMin, isMeasured

Constructor Detail

BinaryLattice

public BinaryLattice(int _nx,
                     int _ny)

Constructs a binary lattice with the given size.

Parameters:

_nx - the number of values in x direction

_ny - the number of values in y direction

Method Detail

createDefaultColors

public void createDefaultColors()

Creates the default palette.

Specified by:

createDefaultColors in interface ByteLattice

resizeLattice

public void resizeLattice(int _nx,
                          int _ny)

Resize the lattice.

Specified by:

resizeLattice in interface ByteLattice

Parameters:

_nx - number of x sites

_ny - number of y sites

randomize

public void randomize()

Ranomizes the lattice values.

Specified by:

randomize in interface ByteLattice

draw

public void draw(DrawingPanel panel,
                 java.awt.Graphics g)

Draws the lattice and the grid.

Specified by:

draw in interface Drawable

Overrides:

draw in class MeasuredImage

Parameters:

panel -

g -

setAll

public void setAll(byte[][] val)

Sets a block of data to new values. The lattice is resized to fit the new data if needed.

Parameters:

val -

setAll

public void setAll(byte[][] val,
                   double xmin,
                   double xmax,
                   double ymin,
                   double ymax)

Sets the lattice values and scale. The lattice is resized to fit the new data if needed.

Specified by:

setAll in interface ByteLattice

Parameters:

val - int[][] the new values

xmin - double

xmax - double

ymin - double

ymax - double

setMinMax

public void setMinMax(double xmin,
                      double xmax,
                      double ymin,
                      double ymax)

Scales the grid to the given values in world units.

Specified by:

setMinMax in interface ByteLattice

Overrides:

setMinMax in class MeasuredImage

Parameters:

xmin -

xmax -

ymin -

ymax -

setBlock

public void setBlock(int x_offset,
                     int y_offset,
                     int[][] val)

Sets a block of cells to new values. A cell is set to 1 if the value is >0; the cell is set to zero otherwise

Parameters:

x_offset - int

y_offset - int

val - int[][]

setBlock

public void setBlock(int ix_offset,
                     int iy_offset,
                     byte[][] val)

Sets a block of cells to new values. A cell is set to 1 if the value is >0; the cell is set to zero otherwise

Specified by:

setBlock in interface ByteLattice

Parameters:

ix_offset -

iy_offset -

val - the value array

setBlock

public void setBlock(byte[][] val)

Sets a block of data starting at (0,0) to new values.

Specified by:

setBlock in interface ByteLattice

Parameters:

val -

setCol

public void setCol(int ix,
                   int iy_offset,
                   int[] val)

Sets a column of cells to new values. A cell is set to 1 if the value is >0; the cell is set to zero otherwise

Parameters:

ix -

iy_offset -

val - the array of values

setCol

public void setCol(int ix,
                   int iy_offset,
                   byte[] val)

Sets a column of cells to new values. A cell is set to 1 if the value is >0; the cell is set to zero otherwise

Specified by:

setCol in interface ByteLattice

Parameters:

ix -

iy_offset -

val - the array of values

setRow

public void setRow(int iy,
                   int ix_offset,
                   int[] val)

Sets a row of cells to new values starting at the given column. A cell is set to 1 if the value is >0; the cell is set to zero otherwise

Parameters:

iy -

ix_offset - the x offset

val - the value array

setRow

public void setRow(int iy,
                   int ix_offset,
                   byte[] val)

Sets a row of cells to new values starting at the given column. A cell is set to 1 if the value is >0; the cell is set to zero otherwise

Specified by:

setRow in interface ByteLattice

Parameters:

iy -

ix_offset - the x offset

val - the value array

setValue

public void setValue(int ix,
                     int iy,
                     int val)

Sets a cell at the given location to a new value. A cell should take on a value of 0 or 1.

Parameters:

ix -

iy -

val -

setValue

public void setValue(int ix,
                     int iy,
                     byte val)

Description copied from interface: ByteLattice

Sets the given x,y location to a value.

Specified by:

setValue in interface ByteLattice

getValue

public byte getValue(int ix,
                     int iy)

Gets a value from the given location. Cell values are zero or one.

Specified by:

getValue in interface ByteLattice

Parameters:

ix -

iy -

Returns:

the cell value.

getNx

public int getNx()

Gets the number of x entries.

Specified by:

getNx in interface ByteLattice

Returns:

nx

getNy

public int getNy()

Gets the number of y entries.

Specified by:

getNy in interface ByteLattice

Returns:

ny

setShowGrid

public void setShowGrid(boolean showGrid)

Sets the show grid option.

Parameters:

showGrid -

setColorPalette

public void setColorPalette(java.awt.Color[] colors)

Sets color palette.

Specified by:

setColorPalette in interface ByteLattice

Parameters:

colors -

setIndexedColor

public void setIndexedColor(int i,
                            java.awt.Color color)

Sets the color for a single index.

Specified by:

setIndexedColor in interface ByteLattice

Parameters:

i -

color -

setGridLineColor

public void setGridLineColor(java.awt.Color color)

Sets the grid color.

Specified by:

setGridLineColor in interface ByteLattice

Parameters:

color -

setShowGridLines

public void setShowGridLines(boolean showGridLines)

Description copied from interface: ByteLattice

Outlines the lattice boundaries with a grid.

Specified by:

setShowGridLines in interface ByteLattice

xToIndex

public int xToIndex(double x)

Gets closest index from the given x world coordinate.

Specified by:

xToIndex in interface ByteLattice

Parameters:

x - double the coordinate

Returns:

int the index

yToIndex

public int yToIndex(double y)

Gets closest index from the given y world coordinate.

Specified by:

yToIndex in interface ByteLattice

Parameters:

y - double the coordinate

Returns:

int the index

indexFromPoint

public int indexFromPoint(double x,
                          double y)

Determines the lattice index (row-major order) from given x and y world coordinates Returns -1 if the world coordinates are outside the lattice.

Specified by:

indexFromPoint in interface ByteLattice

Parameters:

x -

y -

Returns:

index

showLegend

public javax.swing.JFrame showLegend()

Description copied from interface: ByteLattice

Shows the color associated with each value.

Specified by:

showLegend in interface ByteLattice

Returns:

the JFrame containing the legend