/*
* BinNormalizer.java
*
* Created on January 24, 2001, 12:12 PM
*/
package jas.hist.normalization;
import jas.hist.DataSource;
import jas.hist.Rebinnable1DHistogramData;
/**
* Calculates a normalization factor base on a specific bin.
* @author tonyj
* @version $Id: BinNormalizer.java 11553 2007-06-05 22:06:23Z duns $
*/
public class BinNormalizer extends DataSourceNormalizer
{
/** Create a new BinNormalizer
* @param data The data source
* @param bin The bin number.
*/
public BinNormalizer(DataSource data, int bin)
{
super(data);
this.bin = bin;
init();
}
protected double calculateNormalization()
{
if (source instanceof Rebinnable1DHistogramData)
{
Rebinnable1DHistogramData data = (Rebinnable1DHistogramData) source;
int nBins = data.getBins();
double xMin = data.getMin();
double xMax = data.getMax();
double[][] bins = data.rebin(nBins,xMin,xMax,false,hurry);
double[] y = bins[0];
return y[bin] > 0 ? y[bin] : 1;
}
else return 1;
}
private int bin;
}