DemoSW3DAligner.java example

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biojava-master
/*
 *                    BioJava development code
 *
 * This code may be freely distributed and modified under the
 * terms of the GNU Lesser General Public Licence.  This should
 * be distributed with the code.  If you do not have a copy,
 * see:
 *
 *      http://www.gnu.org/copyleft/lesser.html
 *
 * Copyright for this code is held jointly by the individual
 * authors.  These should be listed in @author doc comments.
 *
 * For more information on the BioJava project and its aims,
 * or to join the biojava-l mailing list, visit the home page
 * at:
 *
 *      http://www.biojava.org/
 *
 * Created on Mar 26, 2010
 *
 */
package demo;

import org.biojava.nbio.structure.Atom;
import org.biojava.nbio.structure.Structure;
import org.biojava.nbio.structure.StructureTools;
import org.biojava.nbio.structure.align.StructureAlignment;
import org.biojava.nbio.structure.align.StructureAlignmentFactory;
import org.biojava.nbio.structure.align.gui.StructureAlignmentDisplay;
import org.biojava.nbio.structure.align.model.AFPChain;
import org.biojava.nbio.structure.align.seq.SmithWaterman3DParameters;
import org.biojava.nbio.structure.align.seq.SmithWaterman3Daligner;
import org.biojava.nbio.structure.align.util.AtomCache;

public class DemoSW3DAligner {



	public static void main(String[] args){

		String name1 = "1MBN.A";
		String name2 = "4ODC.A";

		AtomCache cache = new AtomCache();

		Structure structure1 = null;
		Structure structure2 = null;

		try {

			StructureAlignment algorithm  = StructureAlignmentFactory.getAlgorithm(SmithWaterman3Daligner.algorithmName);

			System.out.println("using " + algorithm.getAlgorithmName());

			SmithWaterman3DParameters params = new SmithWaterman3DParameters();

			System.out.println("Gap open:" + params.getGapOpen());
			System.out.println("Gap extension:" + params.getGapExtend());

			structure1 = cache.getStructure(name1);
			structure2 = cache.getStructure(name2);

			Atom[] ca1 = StructureTools.getAtomCAArray(structure1);
			Atom[] ca2 = StructureTools.getAtomCAArray(structure2);


			AFPChain afpChain = algorithm.align(ca1,ca2,params);

			afpChain.setName1(name1);
			afpChain.setName2(name2);

			// flexible original results:
			System.out.println(afpChain.toFatcat(ca1,ca2));

			// print rotation matrices
			System.out.println(afpChain.toRotMat());
			//System.out.println(afpChain.toCE(ca1, ca2));

			// print XML representation
			//System.out.println(AFPChainXMLConverter.toXML(afpChain,ca1,ca2));

			StructureAlignmentDisplay.display(afpChain, ca1, ca2);

		} catch (Exception e) {
			e.printStackTrace();
			return;
		}
	}


}