/* * 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 28.04.2004 * @author Andreas Prlic * */ package org.biojava.nbio.structure; import java.util.List; import javax.vecmath.Point3d; /** * A simple interface for an Atom. * The coordinates can be accessed via the * {@link #getCoords()}, or the * {@link #getX()}, {@link #getY()}, {@link #getZ()} methods. * There are a few additional methods here to provide some PDB specific information. * * @author Andreas Prlic * @author Horvath Tamas * @version %I% %G% * @since 1.4 * */ public interface Atom extends Cloneable, PDBRecord { /** * Set atom name, e.g. "CA". * @param s a trimmed String specifying the name value * @see #getName */ public void setName(String s); /** * Get atom name, e.g. "CA". * Beware that some PDB atom names are ambiguous (e.g. CA, which means C-alpha or Calcium), * the ambiguity can simply be resolved by also checking the element with {@link #getElement()} * @return a trimmed String representing the name value * @see #setName */ public String getName(); /** * Set element of the atom name, e.g. {@link Element#Fe} * @param e an Element enumeration * @see #getElement */ public void setElement(Element e); /** * Get element of the atom, e.g. {@link Element#Ca} * @return an Element enumeration * @see #setElement */ public Element getElement(); /** * Set PDB atom number. * @param i an int specifying the PDBserial value * @see #getPDBserial */ public void setPDBserial(int i) ; /** * Get PDB atom number. * @return an int representing the PDBserial value * @see #setPDBserial */ public int getPDBserial() ; /** * Set the coordinates. * @param c an array of doubles specifying the coords value * @see #getCoords */ public void setCoords(double[] c); /** * Get the coordinates. * @return a new array of doubles representing the coords value * @see #setCoords * @see #getCoordsAsPoint3d() */ public double[] getCoords() ; /** * Get the coordinates. * <p> * Internally the coordinates are represented as Point3d so this * is recommended over {@link #getCoords()} * @return a reference to the Point3d coordinates * @see #getCoords() */ public Point3d getCoordsAsPoint3d(); /** * Set the X coordinate. * @param x a double * @see #getX() */ public void setX(double x); /** * Set the Y coordinate. * @param y a double * @see #getY() */ public void setY(double y); /** * Set the Z coordinate. * @param z a double * @see #getZ() */ public void setZ(double z); /** * Get coordinate X. * @return a double * @see #setX(double) */ public double getX() ; /** * Get coordinate Y. * @return a double * @see #setY(double) */ public double getY() ; /** * Get coordinate Z. * @return a double * @see #setZ(double) */ public double getZ() ; /** * Set alternate Location. * @param c a Character object specifying the alt loc value * @see #getAltLoc */ public void setAltLoc(Character c); /** * Get alternate Location. * @return a Character object representing the alt loc value * @see #setAltLoc */ public Character getAltLoc(); /** * Set occupancy. * @param occupancy a float specifying the occupancy value * @see #getOccupancy */ public void setOccupancy(float occupancy) ; /** * Get occupancy. * @return a float representing the occupancy value * @see #setOccupancy */ public float getOccupancy(); /** * Set temp factor . * @param temp a float specifying the temp factor value * @see #getTempFactor */ public void setTempFactor(float temp) ; /** * Get temp factor. * @return a float representing the temp factor value * @see #setTempFactor */ public float getTempFactor() ; /** * Return an identical copy of this object . * @return an identical copy of this object */ public Object clone(); /** * Set the back-reference to its parent Group. * @param parent the parent Group * @see #getGroup() */ public void setGroup(Group parent); /** * Return the parent Group of the Atom. * returns null if the referenced object is not Group * @return Group the parent Group of the Atom, or null * @see #setGroup(Group) */ public Group getGroup(); /** * Add a bond * @param bond to be added * @see #getBonds() */ public void addBond(Bond bond); /** * Get all {@link Bond}s this atom is part of. * * @return a list of {@link Bond}s or null if no bonds exist for this Atom */ public List<Bond> getBonds(); /** * Sets the bonds * @param bonds */ public void setBonds(List<Bond> bonds); /** Test if another atom has a bond to this atom * * @param other * @return */ public boolean hasBond(Atom other); /** * Get the charge of this atom * * @return a the integer charge. */ public short getCharge(); /** * Set the charge of this atom * * @return void. */ public void setCharge(short charge); }