Test2.java

package hep.aida.ref;

import hep.aida.IHistogram1D;
import hep.aida.IHistogram2D;
import hep.aida.IHistogram3D;

import java.util.Random;

/**
 * A very(!) basic test of the reference implementations
 * of AIDA histograms
 */
public class Test2
{
	public static void main(String[] argv)
	{
		Random r = new Random();
		IHistogram1D h1 = new Histogram1D("AIDA 1D Histogram",40,-3,3);
		for (int i=0; i<10000; i++) h1.fill(r.nextGaussian());
		
		IHistogram2D h2 = new Histogram2D("AIDA 2D Histogram",40,-3,3,40,-3,3);
		for (int i=0; i<10000; i++) h2.fill(r.nextGaussian(),r.nextGaussian());
		
		// Write the results as a PlotML files!
		writeAsXML(h1,"aida1.xml");
		writeAsXML(h2,"aida2.xml");
		
		// Try some projections
		
		writeAsXML(h2.projectionX(),"projectionX.xml");
		writeAsXML(h2.projectionY(),"projectionY.xml");
	}
	public static void main2(String[] argv)
	{
		double[] bounds = { -30,0,30, 1000 };
		Random r = new Random();
		IHistogram1D h1 = new Histogram1D("AIDA 1D Histogram",new VariableAxis(bounds));
		//IHistogram1D h1 = new Histogram1D("AIDA 1D Histogram",2,-3,3);
		for (int i=0; i<10000; i++) h1.fill(r.nextGaussian());
		
		IHistogram2D h2 = new Histogram2D("AIDA 2D Histogram",new VariableAxis(bounds),new VariableAxis(bounds));
		//IHistogram2D h2 = new Histogram2D("AIDA 2D Histogram",2,-3,3, 2,-3,3);
		for (int i=0; i<10000; i++) h2.fill(r.nextGaussian(),r.nextGaussian());
		
		//IHistogram3D h3 = new Histogram3D("AIDA 3D Histogram",new VariableAxis(bounds),new VariableAxis(bounds),new VariableAxis(bounds));
		IHistogram3D h3 = new Histogram3D("AIDA 3D Histogram",10, -2, +2,    5, -2, +2,    3, -2, +2);
		for (int i=0; i<10000; i++) h3.fill(r.nextGaussian(),r.nextGaussian(),r.nextGaussian());
		
		// Write the results as a PlotML files!
		writeAsXML(h1,"aida1.xml");
		writeAsXML(h2,"aida2.xml");
		writeAsXML(h3,"aida2.xml");
		
		// Try some projections
		
		writeAsXML(h2.projectionX(),"projectionX.xml");
		writeAsXML(h2.projectionY(),"projectionY.xml");
	}
	private static void writeAsXML(IHistogram1D h,String filename)
	{
		System.out.println(new Converter().toString(h));
		//System.out.println(new Converter().toXML(h));
		/*
		try
		{
			PrintWriter out = new PrintWriter(new FileWriter(filename));
			out.println(new Converter().toXML(h));
			out.close();
		}
		catch (IOException x) { x.printStackTrace(); }
		*/
	}
	private static void writeAsXML(IHistogram2D h,String filename)
	{
		System.out.println(new Converter().toString(h));
		//System.out.println(new Converter().toXML(h));
		/*
		try
		{
			PrintWriter out = new PrintWriter(new FileWriter(filename));
			out.println(new Converter().toXML(h));
			out.close();
		}
		catch (IOException x) { x.printStackTrace(); }
		*/
	}
	private static void writeAsXML(IHistogram3D h,String filename)
	{
		System.out.println(new Converter().toString(h));
		//System.out.println(new Converter().toXML(h));
		/*
		try
		{
			PrintWriter out = new PrintWriter(new FileWriter(filename));
			out.println(new Converter().toXML(h));
			out.close();
		}
		catch (IOException x) { x.printStackTrace(); }
		*/
	}
}