CGMAnalyze.java

// Copyright 2003, FreeHEP.
package org.freehep.graphicsio.cgm.test;

import hep.aida.IAnalysisFactory;
import hep.aida.IHistogram1D;
import hep.aida.IHistogramFactory;
import hep.aida.ITree;

import java.io.FileInputStream;
import java.io.IOException;

import org.freehep.graphicsio.cgm.CGMDummyTag;
import org.freehep.graphicsio.cgm.CGMInputStream;
import org.freehep.util.io.Tag;

/**
 * @author Mark Donszelmann
 * @version $Id: CGMAnalyze.java 8584 2006-08-10 23:06:37Z duns $
 */
public class CGMAnalyze {

    public static void main(String[] args) {

        try {
            IAnalysisFactory af = IAnalysisFactory.create();
            ITree tree = af.createTreeFactory().create("CGMAnalyze.aida",
                    "xml", false, true);
            IHistogramFactory hf = af.createHistogramFactory(tree);
            IHistogram1D tagType = hf.createHistogram1D("TagType", 1000, 0,
                    1000);
            IHistogram1D tagSize = hf.createHistogram1D("TagSize", 100, 0, 100);

            FileInputStream fis = new FileInputStream(args[0]);
            CGMInputStream cgm = new CGMInputStream(fis);

            long start = System.currentTimeMillis();

            Tag tag = cgm.readTag();
            while (tag != null) {
                // System.out.println(tag);
                tagType.fill(tag.getTag());
                tagSize.fill(((CGMDummyTag) tag).getLength());
                tag = cgm.readTag();
            }
            tree.commit();
            System.out.println("Analyzed file in: "
                    + (System.currentTimeMillis() - start) + " ms.");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}