de.gsi.dataset.spi

Class DoubleDataSet

java.lang.Object

de.gsi.dataset.spi.AbstractStylable<D>

de.gsi.dataset.spi.AbstractDataSet<DoubleDataSet>

de.gsi.dataset.spi.DoubleDataSet

All Implemented Interfaces:

DataSet, DataSetMetaData, EditableDataSet, EventSource

Direct Known Subclasses:

DefaultDataSet

public class DoubleDataSet
extends AbstractDataSet<DoubleDataSet>
implements EditableDataSet

Implementation of the DataSet interface which stores x,y values in two separate arrays. It provides methods allowing easily manipulate of data points.

Author:

rstein

See Also:

for an implementation with asymmetric errors in Y

Field Summary

Fields

Modifier and Type	Field and Description
protected it.unimi.dsi.fastutil.doubles.DoubleArrayList	xValues
protected it.unimi.dsi.fastutil.doubles.DoubleArrayList	yValues

Fields inherited from class de.gsi.dataset.spi.AbstractDataSet

dataLabels, dataStyles, editConstraints, errorList, infoList, lock, metaInfoMap, name, updateListeners, warningList, xRange, yRange

Fields inherited from interface de.gsi.dataset.DataSetMetaData

TAG_GAIN_RANGE, TAG_OVERSHOOT, TAG_UNDERSHOOT

Constructor Summary

Constructors

Constructor and Description
DoubleDataSet(DataSet another) Creates a new instance of DoubleDataSet as copy of another (deep-copy).
DoubleDataSet(String name) Creates a new instance of DoubleDataSet.
DoubleDataSet(String name, double[] xValues, double[] yValues, int initalSize, boolean deepCopy) Creates a new instance of DoubleDataSet.
DoubleDataSet(String name, int initalSize) Creates a new instance of DoubleDataSet.

Method Summary

Modifier and Type	Method and Description
DoubleDataSet	add(double[] xValuesNew, double[] yValuesNew) Add array vectors to data set.
DoubleDataSet	add(double x, double y) Add point to the end of the data set
DoubleDataSet	add(double x, double y, String label) Add point to the data set.
DoubleDataSet	add(int index, double[] x, double[] y) add point to the data set
DoubleDataSet	add(int index, double x, double y) add point to the data set
DoubleDataSet	add(int index, double x, double y, String label) add point to the data set
DoubleDataSet	clearData() clear all data points
int	getCapacity()
int	getDataCount() Get the number of data points in the data set
double	getX(int index) Gets the x value of the data point with the index i
double[]	getXValues()
double	getY(int index) Gets the y value of the data point with the index i
double[]	getYValues()
DoubleDataSet	increaseCapacity(int amount)
EditableDataSet	remove(int index) remove point from data set
DoubleDataSet	remove(int fromIndex, int toIndex) removes sub-range of data points
DoubleDataSet	resize(int size) ensures minimum size, enlarges if necessary
DoubleDataSet	set(DataSet other) clear old data and overwrite with data from 'other' data set (deep copy)
DoubleDataSet	set(double[] xValues, double[] yValues) Initialises the data set with specified data.
DoubleDataSet	set(double[] xValues, double[] yValues, boolean copy) Initialises the data set with specified data.
DoubleDataSet	set(int index, double[] x, double[] y)
DoubleDataSet	set(int index, double x, double y) replaces point coordinate of existing data point
DoubleDataSet	trim() Trims the arrays list so that the capacity is equal to the size.

Methods inherited from class de.gsi.dataset.spi.AbstractDataSet

addDataLabel, addDataStyle, binarySearchX, binarySearchY, clearMetaInfo, computeLimits, fireInvalidated, getDataCount, getDataLabel, getDataLabelMap, getDataStyleMap, getEditConstraints, getErrorList, getInfoList, getMetaInfo, getName, getStyle, getThis, getUndefValue, getWarningList, getXIndex, getXMax, getXMin, getXRange, getYIndex, getYMax, getYMin, getYRange, isAutoNotification, lock, minNeigbourSearchX, removeDataLabel, removeStyle, setAutoNotifaction, setEditConstraints, setName, toString, unlock, updateEventListener

Methods inherited from class de.gsi.dataset.spi.AbstractStylable

getStyle, setStyle

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.gsi.dataset.EditableDataSet

getEditConstraints, setEditConstraints, setName

Methods inherited from interface de.gsi.dataset.DataSet

getDataCount, getDataLabel, getName, getStyle, getStyle, getUndefValue, getValue, getXIndex, getXMax, getXMin, getYIndex, getYMax, getYMin, isAutoNotification, lock, setAutoNotifaction, setStyle, unlock

Methods inherited from interface de.gsi.dataset.event.EventSource

addListener, invokeListener, invokeListener, removeListener, updateEventListener

Field Detail

xValues

protected it.unimi.dsi.fastutil.doubles.DoubleArrayList xValues

yValues

protected it.unimi.dsi.fastutil.doubles.DoubleArrayList yValues

Constructor Detail

DoubleDataSet

public DoubleDataSet(String name)

Creates a new instance of DoubleDataSet.

Parameters:

name - name of this DataSet.

Throws:

IllegalArgumentException - if name is null

DoubleDataSet

public DoubleDataSet(String name,
                     int initalSize)

Creates a new instance of DoubleDataSet.

Parameters:

name - name of this DataSet.

initalSize - initial capacity of buffer (N.B. size=0)

Throws:

IllegalArgumentException - if name is null

DoubleDataSet

public DoubleDataSet(DataSet another)

Creates a new instance of DoubleDataSet as copy of another (deep-copy).

Parameters:

another - name of this DataSet.

DoubleDataSet

public DoubleDataSet(String name,
                     double[] xValues,
                     double[] yValues,
                     int initalSize,
                     boolean deepCopy)

Creates a new instance of DoubleDataSet.

The user than specify via the copy parameter, whether the dataset wraps the input arrays themselves or on a copies of the input arrays.

Parameters:

name - name of this data set.

xValues - X coordinates

yValues - Y coordinates

initalSize - how many data points are relevant to be taken

deepCopy - if true, the input array is copied

Throws:

IllegalArgumentException - if any of the parameters is null or if arrays with coordinates have different lengths

Method Detail

getXValues

public double[] getXValues()

Specified by:

getXValues in interface DataSet

Returns:

the x value array

getYValues

public double[] getYValues()

Specified by:

getYValues in interface DataSet

Returns:

the y value array

getDataCount

public int getDataCount()

Description copied from interface: DataSet

Get the number of data points in the data set

Specified by:

getDataCount in interface DataSet

Returns:

the number of data points

clearData

public DoubleDataSet clearData()

clear all data points

Returns:

itself (fluent design)

getCapacity

public int getCapacity()

Returns:

storage capacity of dataset

increaseCapacity

public DoubleDataSet increaseCapacity(int amount)

Parameters:

amount - storage capacity increase

Returns:

itself (fluent design)

resize

public DoubleDataSet resize(int size)

ensures minimum size, enlarges if necessary

Parameters:

size - the actually used array lengths

Returns:

itself (fluent design)

trim

public DoubleDataSet trim()

Trims the arrays list so that the capacity is equal to the size.

Returns:

itself (fluent design)

See Also:

ArrayList.trimToSize()

getX

public double getX(int index)

Description copied from interface: DataSet

Gets the x value of the data point with the index i

Specified by:

getX in interface DataSet

Parameters:

index - the index of the data point

Returns:

the x value

getY

public double getY(int index)

Description copied from interface: DataSet

Gets the y value of the data point with the index i

Specified by:

getY in interface DataSet

Parameters:

index - the index of the data point

Returns:

the y value

add

public DoubleDataSet add(double x,
                         double y)

Add point to the end of the data set

Parameters:

x - index

y - index

Returns:

itself

add

public DoubleDataSet add(double x,
                         double y,
                         String label)

Add point to the data set.

Parameters:

x - horizontal coordinate of the new data point

y - vertical coordinate of the new data point

label - the data label

Returns:

itself (fluent design)

add

public DoubleDataSet add(double[] xValuesNew,
                         double[] yValuesNew)

Add array vectors to data set.

Parameters:

xValuesNew - X coordinates

yValuesNew - Y coordinates

Returns:

itself

add

public DoubleDataSet add(int index,
                         double x,
                         double y)

add point to the data set

Specified by:

add in interface EditableDataSet

Parameters:

index - data point index at which the new data point should be added

x - horizontal coordinate of the new data point

y - vertical coordinate of the new data point

Returns:

itself (fluent design)

add

public DoubleDataSet add(int index,
                         double x,
                         double y,
                         String label)

add point to the data set

Parameters:

index - data point index at which the new data point should be added

x - horizontal coordinates of the new data point

y - vertical coordinates of the new data point

label - data point label (see CategoryAxis)

Returns:

itself (fluent design)

add

public DoubleDataSet add(int index,
                         double[] x,
                         double[] y)

add point to the data set

Parameters:

index - data point index at which the new data point should be added

x - horizontal coordinate of the new data point

y - vertical coordinate of the new data point

Returns:

itself (fluent design)

remove

public EditableDataSet remove(int index)

remove point from data set

Specified by:

remove in interface EditableDataSet

Parameters:

index - data point which should be removed

Returns:

itself (fluent design)

remove

public DoubleDataSet remove(int fromIndex,
                            int toIndex)

removes sub-range of data points

Parameters:

fromIndex - start index

toIndex - stop index

Returns:

itself (fluent design)

set

public DoubleDataSet set(int index,
                         double x,
                         double y)

replaces point coordinate of existing data point

Specified by:

set in interface EditableDataSet

Parameters:

index - the index of the data point

x - new horizontal coordinate

y - new vertical coordinate N.B. errors are implicitly assumed to be zero

Returns:

itself (fluent design)

set

public DoubleDataSet set(double[] xValues,
                         double[] yValues,
                         boolean copy)

Initialises the data set with specified data.

Note: The method copies values from specified double arrays.

Parameters:

xValues - X coordinates

yValues - Y coordinates

copy - true: makes an internal copy, false: use the pointer as is (saves memory allocation

Returns:

itself

set

public DoubleDataSet set(double[] xValues,
                         double[] yValues)

Initialises the data set with specified data.

Note: The method copies values from specified double arrays.

Parameters:

xValues - X coordinates

yValues - Y coordinates

Returns:

itself

set

public DoubleDataSet set(int index,
                         double[] x,
                         double[] y)

set

public DoubleDataSet set(DataSet other)

clear old data and overwrite with data from 'other' data set (deep copy)

Parameters:

other - the source data set

Returns:

itself (fluent design)