de.gsi.dataset.spi

Class MultiDimDoubleDataSet

java.lang.Object

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

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

de.gsi.dataset.spi.MultiDimDoubleDataSet

All Implemented Interfaces:

DataSet, DataSetMetaData, EditableDataSet, EventSource, Serializable

public class MultiDimDoubleDataSet
extends AbstractDataSet<MultiDimDoubleDataSet>
implements EditableDataSet

Implementation of the DataSet interface which stores x,y,... values in nDim separate arrays. It provides methods allowing easy manipulation of data points.

Author:

rstein, akrimm

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected it.unimi.dsi.fastutil.doubles.DoubleArrayList[]	values

Fields inherited from interface de.gsi.dataset.DataSet

DIM_X, DIM_Y, DIM_Z

Fields inherited from interface de.gsi.dataset.DataSetMetaData

TAG_GAIN_RANGE, TAG_OVERSHOOT, TAG_UNDERSHOOT

Constructor Summary

Constructors

Constructor and Description
MultiDimDoubleDataSet(DataSet another) Creates a new instance of MultiDimDoubleDataSet as copy of another (deep-copy).
MultiDimDoubleDataSet(String name, double[][] values, int initalSize, boolean deepCopy) Creates a new instance of MultiDimDoubleDataSet.
MultiDimDoubleDataSet(String name, int nDim) Creates a new instance of MultiDimDoubleDataSet.
MultiDimDoubleDataSet(String name, int nDims, int initalSize) Creates a new instance of MultiDimDoubleDataSet.

Method Summary

Modifier and Type	Method and Description
MultiDimDoubleDataSet	add(double... newValues) Add point to the end of the data set
MultiDimDoubleDataSet	add(double[][] valuesNew) Add array vectors to data set.
MultiDimDoubleDataSet	add(double[] newValues, String label) Add point to the data set.
MultiDimDoubleDataSet	add(int index, double... newValues) add point to the data set
MultiDimDoubleDataSet	add(int index, double[][] newValues) add point to the data set
MultiDimDoubleDataSet	add(int index, double[] newValues, String label) add point to the data set
MultiDimDoubleDataSet	clearData() clear all data points
double	get(int dimIndex, int index) Gets the x value of the data point with the index i
int	getCapacity()
int	getDataCount() Get the number of data points in the data set.
int	getDataCount(int dimIndex) Get the number of data points in the data set for a specific dimension.
double	getValue(int dimIndex, double x) Gets the interpolated y value of the data point for given x coordinate
double[]	getValues(int dimIndex)
MultiDimDoubleDataSet	increaseCapacity(int amount)
EditableDataSet	remove(int index) remove point from data set
MultiDimDoubleDataSet	remove(int fromIndex, int toIndex) removes sub-range of data points
MultiDimDoubleDataSet	resize(int size) ensures minimum size, enlarges if necessary
MultiDimDoubleDataSet	set(DataSet other) clear old data and overwrite with data from 'other' data set (deep copy)
MultiDimDoubleDataSet	set(double[][] values) Initialises the data set with specified data.
MultiDimDoubleDataSet	set(double[][] values, boolean copy) Initialises the data set with specified data.
MultiDimDoubleDataSet	set(int index, double... newValue) replaces point coordinate of existing data point
MultiDimDoubleDataSet	set(int index, double[][] values) Sets the values of the DataSet from index onwards.
MultiDimDoubleDataSet	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, autoNotification, binarySearch, clearMetaInfo, equalDataLabels, equalEditConstraints, equalErrorValues, equalMetaData, equals, equals, equalValues, fireInvalidated, getAxisDescriptions, getDataLabel, getDataLabelMap, getDataStyleMap, getDimension, getEditConstraints, getErrorList, getIndex, getInfoList, getMetaInfo, getName, getStyle, getThis, getWarningList, hashCode, lock, minNeigbourSearchX, recomputeLimits, removeDataLabel, removeStyle, setEditConstraints, setName, toString, updateEventListener

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

getStyle, setStyle

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface de.gsi.dataset.EditableDataSet

getEditConstraints, setEditConstraints, setName

Methods inherited from interface de.gsi.dataset.DataSet

getAxisDescription, getAxisDescriptions, getDataLabel, getDimension, getIndex, getName, getStyle, getStyle, lock, recomputeLimits, setStyle

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

addListener, autoNotification, invokeListener, invokeListener, invokeListener, isAutoNotification, removeListener, updateEventListener

Field Detail

values

protected it.unimi.dsi.fastutil.doubles.DoubleArrayList[] values

Constructor Detail

MultiDimDoubleDataSet

public MultiDimDoubleDataSet(DataSet another)

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

Parameters:

another - another Dataset to copy the content from

MultiDimDoubleDataSet

public MultiDimDoubleDataSet(String name,
                             int nDim)

Creates a new instance of MultiDimDoubleDataSet.

Parameters:

name - name of this DataSet.

nDim - the number of dimensions

Throws:

IllegalArgumentException - if name is null

MultiDimDoubleDataSet

public MultiDimDoubleDataSet(String name,
                             double[][] values,
                             int initalSize,
                             boolean deepCopy)

Creates a new instance of MultiDimDoubleDataSet.

The user can 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.

values - the values for the new dataset double[nDims][nDataPoints]

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

MultiDimDoubleDataSet

public MultiDimDoubleDataSet(String name,
                             int nDims,
                             int initalSize)

Creates a new instance of MultiDimDoubleDataSet.

Parameters:

name - name of this DataSet.

nDims - the number of dimensions

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

Throws:

IllegalArgumentException - if name is null

Method Detail

add

public MultiDimDoubleDataSet add(double... newValues)

Add point to the end of the data set

Parameters:

newValues - the coordinate of the new value

Returns:

itself

add

public MultiDimDoubleDataSet add(double[] newValues,
                                 String label)

Add point to the data set.

Parameters:

newValues - the coordinate of the new value

label - the data label

Returns:

itself (fluent design)

add

public MultiDimDoubleDataSet add(double[][] valuesNew)

Add array vectors to data set.

Parameters:

valuesNew - the coordinates of the new value

Returns:

itself

add

public MultiDimDoubleDataSet add(int index,
                                 double... newValues)

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

newValues - the coordinates for the new point

Returns:

itself (fluent design)

add

public MultiDimDoubleDataSet add(int index,
                                 double[] newValues,
                                 String label)

add point to the data set

Parameters:

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

newValues - coordinate of the new data point

label - data point label (see CategoryAxis)

Returns:

itself (fluent design)

add

public MultiDimDoubleDataSet add(int index,
                                 double[][] newValues)

add point to the data set

Parameters:

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

newValues - the coordinates of the new points

Returns:

itself (fluent design)

clearData

public MultiDimDoubleDataSet clearData()

clear all data points

Returns:

itself (fluent design)

get

public final double get(int dimIndex,
                        int index)

Description copied from interface: DataSet

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

Specified by:

get in interface DataSet

Parameters:

dimIndex - the dimension index (ie. '0' equals 'X', '1' equals 'Y')

index - data point index

Returns:

the x value

getCapacity

public int getCapacity()

Returns:

storage capacity of dataset

getDataCount

public int getDataCount()

Description copied from interface: DataSet

Get the number of data points in the data set. The default implementation is the number of points in the highest dimension.

Specified by:

getDataCount in interface DataSet

Returns:

the number of data points

getValues

public final double[] getValues(int dimIndex)

Specified by:

getValues in interface DataSet

Parameters:

dimIndex - the dimension index (ie. '0' equals 'X', '1' equals 'Y')

Returns:

the x value array

increaseCapacity

public MultiDimDoubleDataSet increaseCapacity(int amount)

Parameters:

amount - storage capacity increase

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 MultiDimDoubleDataSet remove(int fromIndex,
                                    int toIndex)

removes sub-range of data points

Parameters:

fromIndex - start index (inclusive)

toIndex - stop index (exclusive)

Returns:

itself (fluent design)

resize

public MultiDimDoubleDataSet resize(int size)

ensures minimum size, enlarges if necessary

Parameters:

size - the actually used array lengths

Returns:

itself (fluent design)

set

public MultiDimDoubleDataSet 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)

set

public MultiDimDoubleDataSet set(double[][] values)

Initialises the data set with specified data.

Note: The method copies values from specified double arrays.

Parameters:

values - coordinates

Returns:

itself

set

public MultiDimDoubleDataSet set(double[][] values,
                                 boolean copy)

Initialises the data set with specified data.

Note: The method copies values from specified double arrays.

Parameters:

values - coordinates

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

Returns:

itself

set

public MultiDimDoubleDataSet set(int index,
                                 double... newValue)

replaces point coordinate of existing data point

Specified by:

set in interface EditableDataSet

Parameters:

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

newValue - new data point coordinate

Returns:

itself (fluent design)

set

public MultiDimDoubleDataSet set(int index,
                                 double[][] values)

Sets the values of the DataSet from index onwards. Clears all labels in the overwritten section of data.

Parameters:

index - start index of the data

values - coordinates for the new points

Returns:

itself

trim

public MultiDimDoubleDataSet trim()

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

Returns:

itself (fluent design)

See Also:

ArrayList.trimToSize()

getDataCount

public int getDataCount(int dimIndex)

Description copied from interface: DataSet

Get the number of data points in the data set for a specific dimension.

Specified by:

getDataCount in interface DataSet

Parameters:

dimIndex - the dimension index (ie. '0' equals 'X', '1' equals 'Y')

Returns:

the number of data points

getValue

public double getValue(int dimIndex,
                       double x)

Description copied from interface: DataSet

Gets the interpolated y value of the data point for given x coordinate

Specified by:

getValue in interface DataSet

Parameters:

dimIndex - the dimension index (ie. '0' equals 'X', '1' equals 'Y')

x - the new x coordinate

Returns:

the y value