org.jplot2d.data

Class DoubleDataBuffer

java.lang.Object

org.jplot2d.data.ImageDataBuffer

org.jplot2d.data.DoubleDataBuffer

Direct Known Subclasses:

DoubleDataBuffer.Array, DoubleDataBuffer.Array2D, DoubleDataBuffer.NioBuffer

public abstract class DoubleDataBuffer
extends ImageDataBuffer

This class extends ImageDataBuffer and stores data internally as doubles.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DoubleDataBuffer.Array
static class	DoubleDataBuffer.Array2D
static class	DoubleDataBuffer.NioBuffer

Constructor Summary

Constructors

Constructor and Description
DoubleDataBuffer(ImageMaskBuffer mask)

Method Summary

Modifier and Type	Method and Description
double[]	calcMinMax(int w, int h) Calculate the min and max value in the given rectangle for this data buffer, and return them in a double array.
double	countValid(int w, int h) Count the number of valid values in the given rectangle for this data buffer.
abstract double	get(int x, int y)
byte	getByte(int x, int y) Returns the sample for the pixel located at (x,y) as a double.
double	getDouble(int x, int y) Returns the sample for the pixel located at (x,y) as a double.
float	getFloat(int x, int y) Returns the sample for the pixel located at (x,y) as a double.
int	getInt(int x, int y) Returns the sample for the pixel located at (x,y) as a double.
short	getShort(int x, int y) Returns the sample for the pixel located at (x,y) as a double.

Methods inherited from class org.jplot2d.data.ImageDataBuffer

hasMasks, isMasked

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleDataBuffer

public DoubleDataBuffer(ImageMaskBuffer mask)

Method Detail

getByte

public byte getByte(int x,
                    int y)

Description copied from class: ImageDataBuffer

Returns the sample for the pixel located at (x,y) as a double.

Specified by:

getByte in class ImageDataBuffer

Parameters:

x - The X coordinate of the pixel location

y - The Y coordinate of the pixel location

Returns:

the sample for the specified pixel

getShort

public short getShort(int x,
                      int y)

Description copied from class: ImageDataBuffer

Returns the sample for the pixel located at (x,y) as a double.

Specified by:

getShort in class ImageDataBuffer

Parameters:

x - The X coordinate of the pixel location

y - The Y coordinate of the pixel location

Returns:

the sample for the specified pixel

getInt

public int getInt(int x,
                  int y)

Description copied from class: ImageDataBuffer

Returns the sample for the pixel located at (x,y) as a double.

Specified by:

getInt in class ImageDataBuffer

Parameters:

x - The X coordinate of the pixel location

y - The Y coordinate of the pixel location

Returns:

the sample for the specified pixel

getFloat

public float getFloat(int x,
                      int y)

Description copied from class: ImageDataBuffer

Returns the sample for the pixel located at (x,y) as a double.

Specified by:

getFloat in class ImageDataBuffer

Parameters:

x - The X coordinate of the pixel location

y - The Y coordinate of the pixel location

Returns:

the sample for the specified pixel

getDouble

public double getDouble(int x,
                        int y)

Description copied from class: ImageDataBuffer

Returns the sample for the pixel located at (x,y) as a double.

Specified by:

getDouble in class ImageDataBuffer

Parameters:

x - The X coordinate of the pixel location

y - The Y coordinate of the pixel location

Returns:

the sample for the specified pixel

get

public abstract double get(int x,
                           int y)

countValid

public double countValid(int w,
                         int h)

Description copied from class: ImageDataBuffer

Count the number of valid values in the given rectangle for this data buffer. For double and float data, NaN, POSITIVE_INFINITY and NEGATIVE_INFINITY are considered as invalid.

Specified by:

countValid in class ImageDataBuffer

Parameters:

w - the width of the given rectangle

h - the height of the given rectangle

Returns:

the number of valid values

calcMinMax

public double[] calcMinMax(int w,
                           int h)

Description copied from class: ImageDataBuffer

Calculate the min and max value in the given rectangle for this data buffer, and return them in a double array. For double and float data, NaN, POSITIVE_INFINITY and NEGATIVE_INFINITY are considered as invalid and ignored.

Specified by:

calcMinMax in class ImageDataBuffer

Parameters:

w - the width of the given rectangle

h - the height of the given rectangle

Returns:

the min and max values