org.jlab.groot.matrix

Class SparseVectorGrid

java.lang.Object

org.jlab.groot.matrix.SparseVectorGrid

public class SparseVectorGrid
extends Object

Constructor Summary

Constructors

Constructor and Description
SparseVectorGrid()
SparseVectorGrid(int[] bins)
SparseVectorGrid(int size, int[] bins)

Method Summary

Modifier and Type	Method and Description
void	addBin(DataVector vec, int[] index)
void	addBin(int[] index)
void	addBinContent(int order, double value, int[] index)
void	fill(double[] array) fill the grid element 0 with weight of 1.0
void	fill(double[] array, int order) fill the grid with values from array for element = order with default weight of 1.0
void	fill(double[] array, int order, double weight) increment the value of the particular bin, the bin is determined by axis.
Axis	getAxis(int index)
String	getAxisNamesString() returns ":" separated list of axis names
DataVector	getBin(int[] index) returns a vector for a bin, if the entry does not exist a NULL will be returned.
double	getBinContent(int order, int[] index)
boolean	getBinsByAxis(double[] values, int[] index) fills the array of indices with bin values taken from the axis.
HashMap<Long,DataVector>	getGrid()
SparseIndex	getIndexer()
int	getNumberOfBins()
int	getVectorSize()
double	integral(int order)
static void	main(String[] args)
H1F	projection(int dim, int order)
void	setAxisNames(String[] names) sets names for all the axis.
void	setBinContent(int order, double value, int[] index)
void	show()
H1F	slice(int dim, int order, int[] bmin, int[] bmax)

Methods inherited from class java.lang.Object

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

Constructor Detail

SparseVectorGrid

public SparseVectorGrid()

SparseVectorGrid

public SparseVectorGrid(int[] bins)

SparseVectorGrid

public SparseVectorGrid(int size,
                        int[] bins)

Method Detail

getGrid

public HashMap<Long,DataVector> getGrid()

getVectorSize

public int getVectorSize()

addBin

public void addBin(int[] index)

addBin

public void addBin(DataVector vec,
                   int[] index)

getAxis

public Axis getAxis(int index)

setAxisNames

public void setAxisNames(String[] names)

sets names for all the axis.

Parameters:

names - array of names to set axis titles

getBinsByAxis

public boolean getBinsByAxis(double[] values,
                             int[] index)

fills the array of indices with bin values taken from the axis.

Parameters:

values - axis values

index - returned index for each dimension

Returns:

returns true if all indices are within the bounds, false otherwise

fill

public void fill(double[] array)

fill the grid element 0 with weight of 1.0

Parameters:

array - values along the axis

fill

public void fill(double[] array,
                 int order)

fill the grid with values from array for element = order with default weight of 1.0

Parameters:

array - values along the axis

order - element index

fill

public void fill(double[] array,
                 int order,
                 double weight)

increment the value of the particular bin, the bin is determined by axis. order is index in the array.

Parameters:

array - values along the axis

order - element index

weight - increment amount

getBin

public DataVector getBin(int[] index)

returns a vector for a bin, if the entry does not exist a NULL will be returned.

Parameters:

index -

Returns:

getAxisNamesString

public String getAxisNamesString()

returns ":" separated list of axis names

Returns:

string with all axis names

addBinContent

public void addBinContent(int order,
                          double value,
                          int[] index)

setBinContent

public void setBinContent(int order,
                          double value,
                          int[] index)

getBinContent

public double getBinContent(int order,
                            int[] index)

getIndexer

public SparseIndex getIndexer()

integral

public double integral(int order)

slice

public H1F slice(int dim,
                 int order,
                 int[] bmin,
                 int[] bmax)

projection

public H1F projection(int dim,
                      int order)

getNumberOfBins

public int getNumberOfBins()

show

public void show()

main

public static void main(String[] args)