/* File: CelestialObjectInfo.java University of Applied Science Berne,HTA-Biel/Bienne, Computer Science Department. Diploma thesis J3D Solar System Simulator Originally written by Marcel Portner & Bernhard Hari (c) 2000 CVS - Information : $Header: /var/cvsreps/projects/c450/2000/sss3d/source_diploma/sss3d/contentbranch/CelestialObjectInfo.java,v 1.15 2000/12/13 13:37:07 portm Exp $ $Author: portm $ $Date: 2000/12/13 13:37:07 $ $State: Exp $ */ package sss3d.contentbranch; import sss3d.utils.SSS3dConstants; import sss3d.utils.xmlparser.*; import org.w3c.dom.Document; /** * An instanciated class of this object contains all the * information about a celestial object. The class provides * methods to retrieve information from these objects.
* The filename given to the constructor contains the name of the * file without the type. We used the file extension .xml for * the information (XML) files.
* The next example creates an instance of an object, containing * information about the sun. To do this the constructor calls * the class method read () from the XMLParser object * with the arguments this and path. *
 *    filename : sun.xml
 *    use CelestialObjectInfo cObjInfo = new CelestialObjectInfo("sun");
 * 
* * @author Marcel Portner & Bernhard Hari * @version $Revision: 1.15 $ * @see sss3d.utils.xmlparser.XMLParser */ public class CelestialObjectInfo{ private XMLParser ifp; // for parsing and reading the // information files. private Document document = null; // holds the whole document for // easier creating and updating // the JTree inside InfoBox // org.w3c.dom.Document private String name = null; // filename private String parent = null; // parentname // Possible types : STAR, PLANET, MOON, SATELLITE, ROCKET, COMET, UNKNOWN private int type = SSS3dConstants.UNKNOWN_TYPE; // parameters private double scalingFactor = 0.0d; // scaling factor for representation private double volume = 0.0d; // volume of the object private double distance = 0.0d; // distance between object and sun private double diameter = 0.0d; // mean diameter of the object private double minDistanceFromSun = 0.0d; // used for ellipse equation private double maxDistanceFromSun = 0.0d; // used for ellipse equation private int nbrOfPositions = 0; // number of positions to calculate // the flight path of the object private double mass = 0.0d; // mass private double density = 0.0d; // density private double surfaceGravity = 0.0d; // surface gravity private double escapeVelocity = 0.0d; // escape velocity private double rotationPeriod = 0.0d; // mean rotation period // around the own axe private double orbitPeriod = 0.0d; // mean rotation period // around the sun private double meanOrbitVelocity = 0.0d; // orbit velocity private double orbitEccentricity = 0.0d; // orbit eccentrycity private double orbitInclinationToEcliptic = 0.0d; // orbit inclination to ecliptic private double inclinationOfEquatorToOrbit = 0.0d; // inclination of equator to orbit private double tempAtSolidSurface = 0.0d; // temperature on solid surface private String atmosphericConstitutents = null; // atmospheric constitutents // parameters for the kepler (comet) private double epoch = 0.0; // Zeitpunkt des Periheldurchgangs private double equinox = 0.0; // Aequinoktium der Bahnelemente private double longitudeNode = 0.0; // Laenge des aufsteigenden Knotens in [°] private double perihelion = 0.0; // Argument des Perihels in [°] /** * Constructs a new object from the file defined by the argument filename. * @param filename name of file without extension. */ public CelestialObjectInfo(String name, int type) { this.name = name; this.type = type; String path = "xml/" + name + ".xml"; // temporary until we introduce a better solution ifp = new XMLParser(this, XMLConstants.XML_CELESTIALOBJECT, path); ifp.read(XMLConstants.XML_CELESTIALOBJECT); // read and set all values coresponding to this object } /** * Sets the document of the object given by the argument. * @param document org.w3c.dom.Document */ public void setDocument(org.w3c.dom.Document document) { this.document = document; } /** * Returns the DOM document of the object. * @return org.w3c.dom.Document the DOM document */ public org.w3c.dom.Document getDocument() { return document; } /** * Sets the type of the object given by the argument. * @param type type of the object */ public void setType(String str) { int type = SSS3dConstants.UNKNOWN_TYPE; if( str.equals( SSS3dConstants.TYPES[SSS3dConstants.UNKNOWN_TYPE] )) { type = SSS3dConstants.UNKNOWN_TYPE; } else if( str.equals( SSS3dConstants.TYPES[SSS3dConstants.INI_TYPE] )) { type = SSS3dConstants.INI_TYPE; } else if( str.equals( SSS3dConstants.TYPES[SSS3dConstants.STAR_TYPE] )) { type = SSS3dConstants.STAR_TYPE; } else if( str.equals( SSS3dConstants.TYPES[SSS3dConstants.PLANET_TYPE] )) { type = SSS3dConstants.PLANET_TYPE; } else if( str.equals( SSS3dConstants.TYPES[SSS3dConstants.MOON_TYPE] )) { type = SSS3dConstants.MOON_TYPE; } else if( str.equals( SSS3dConstants.TYPES[SSS3dConstants.COMET_TYPE] )) { type = SSS3dConstants.COMET_TYPE; } else if( str.equals( SSS3dConstants.TYPES[SSS3dConstants.SATELLITE_TYPE] )) { type = SSS3dConstants.SATELLITE_TYPE; } else if( str.equals( SSS3dConstants.TYPES[SSS3dConstants.ROCKET_TYPE] )) { type = SSS3dConstants.ROCKET_TYPE; } else { System.out.println("Error in CelestialObjectInfo: " + str); } this.type = type; } /** * Returns the type of the object (integer). * @return int the type of the object */ public int getTypeNbr() { return type; } /** * Returns the type of the object. (string representation) * @return String the type of the object */ public String getType() { String str = ""; switch( type ){ case SSS3dConstants.UNKNOWN_TYPE : str = SSS3dConstants.TYPES[SSS3dConstants.UNKNOWN_TYPE]; break; case SSS3dConstants.INI_TYPE : str = SSS3dConstants.TYPES[SSS3dConstants.INI_TYPE]; break; case SSS3dConstants.STAR_TYPE : str = SSS3dConstants.TYPES[SSS3dConstants.STAR_TYPE]; break; case SSS3dConstants.PLANET_TYPE : str = SSS3dConstants.TYPES[SSS3dConstants.PLANET_TYPE]; break; case SSS3dConstants.MOON_TYPE : str = SSS3dConstants.TYPES[SSS3dConstants.MOON_TYPE]; break; case SSS3dConstants.COMET_TYPE : str = SSS3dConstants.TYPES[SSS3dConstants.COMET_TYPE]; break; case SSS3dConstants.SATELLITE_TYPE : str = SSS3dConstants.TYPES[SSS3dConstants.SATELLITE_TYPE]; break; case SSS3dConstants.ROCKET_TYPE : str = SSS3dConstants.TYPES[SSS3dConstants.ROCKET_TYPE]; break; default : str = SSS3dConstants.TYPES[SSS3dConstants.UNKNOWN_TYPE]; } return str; } /** * Sets the name/id of the object given by the argument. * @param name name of the object */ public void setName(String name) { this.name = name; } /** * Returns the name/id of the object. * @return String the name of the object */ public String getName() { return name; } /** * Sets the name/id of the parent object given by the argument. * @param parent name of the parent object */ public void setParentName(String parent) { this.parent = parent; } /** * Returns the name/id of the parent object. * @return String the name of the parent object */ public String getParentName() { return parent; } /** * Sets the scaling factor of the object given by the argument. * @param scalingFactor scaling value */ public void setScalingFactor(double scalingFactor){ this.scalingFactor = scalingFactor; } /** * Returns the scaling factor of the object. * @return double the scaling factor of the object */ public double getScalingFactor(){ return scalingFactor; } /** * Sets the diameter of the object given by the argument. * @param diameter diameter of the object */ public void setDiameter(double diameter) { this.diameter = diameter; } /** * Returns the diameter of the object. * @return double the diameter of the object */ public double getDiameter() { return diameter; } /** * Sets the minimum distance between the sun and the object given by the argument. * @param distance minimum distance between the object and the sun */ public void setMinDistanceFromSun(double distance) { this.minDistanceFromSun = distance; } /** * Returns the minimum distance between the sun and the object. * @return double minimum distance between the object and the sun */ public double getMinDistanceFromSun() { return minDistanceFromSun; } /** * Sets the maximum distance between the sun and the object given by the argument. * @param distance maximum distance between the object and the sun */ public void setMaxDistanceFromSun(double distance) { this.maxDistanceFromSun = distance; } /** * Returns the maximum distance between the sun and the object. * @return double maximum distance between the object and the sun */ public double getMaxDistanceFromSun() { return maxDistanceFromSun; } /** * Sets the number of positions for the flight path of the object. * @param pos number of positons */ public void setNbrOfPositions(int pos) { this.nbrOfPositions = pos; } /** * Returns the number of positions for the flight path of the object. * @return int number of positons */ public int getNbrOfPositions() { return nbrOfPositions; } /** * Sets the rotation period of the object around the own axe. * @param double rotation period */ public void setRotationPeriod(double rotationPeriod) { this.rotationPeriod = rotationPeriod; } /** * Returns the rotation period of the object around the own axe. * @return double rotation period */ public double getRotationPeriod() { return rotationPeriod; } /** * Sets the period around the sun of the object. * @param orbitPeriod period around the sun */ public void setOrbitPeriod(double orbitPeriod) { this.orbitPeriod = orbitPeriod; } /** * Returns the period around the sun of the object. * @return double period around the sun */ public double getOrbitPeriod() { return orbitPeriod; } /** * Sets the mean orbit velocity of the object. * @param meanOrbitVelocity mean orbit velocity */ public void setMeanOrbitVelocity(double meanOrbitVelocity) { this.meanOrbitVelocity = meanOrbitVelocity; } /** * Returns the mean orbit velocity of the object. * @return double mean orbit velocity */ public double getMeanOrbitVelocity() { return meanOrbitVelocity; } /** * Sets the orbit eccentricity of the object. * @param orbitEccentricity */ public void setOrbitEccentricity(double orbitEccentricity) { this.orbitEccentricity = orbitEccentricity; } /** * Returns the orbit eccentricity of the object. * @return double orbit eccentricity */ public double getOrbitEccentricity() { return orbitEccentricity; } /** * Sets the orbit inclination to ecliptic value of the object. * @param orbitInclinationToEcliptic orbit inclination to ecliptic */ public void setOrbitInclinationToEcliptic(double orbitInclinationToEcliptic) { this.orbitInclinationToEcliptic = orbitInclinationToEcliptic; } /** * Returns the orbit inclination to ecliptic of the object. * @return double orbit inclination to ecliptic */ public double getOrbitInclinationToEcliptic() { return orbitInclinationToEcliptic; } /** * Sets the inclination of equator to orbit value of the object. * @param inclination of equator to orbit */ public void setInclinationOfEquatorToOrbit(double inclinationOfEquatorToOrbit){ this.inclinationOfEquatorToOrbit = inclinationOfEquatorToOrbit; } /** * Returns the inclination of equator to orbit of the object. * @return double inclination of equator to orbit */ public double getInclinationOfEquatorToOrbit() { return inclinationOfEquatorToOrbit; } /** * Sets the volume of the object. * @param volume volume of the object */ public void setVolume(double volume) { this.volume = volume; } /** * Returns the volume of the object. * @return double the volume of the object */ public double getVolume() { return volume; } /** * Sets the distance between the sun and the object. * @param distance distance between sun and the object */ public void setDistance(double distance) { this.distance = distance; } /** * Returns the distance between the sun and the object. * @return double distance between the sun and the object */ public double getDistance() { return distance; } /** * Sets the mass of the object. * @param mass the mass of the object */ public void setMass(double mass) { this.mass = mass; } /** * Returns the mass of the object. * @return double the mass of the object */ public double getMass() { return mass; } /** * Sets the density of the object. * @param density density of the object */ public void setDensity(double density) { this.density = density; } /** * Returns the density of the object. * @return double density of the object */ public double getDensity() { return density; } /** * Sets the surface gravity of the object. * @param surfaceGravity surface gravity */ public void setSurfaceGravity(double surfaceGravity) { this.surfaceGravity = surfaceGravity; } /** * Returns the surface gravity of the object. * @return double surface gravity */ public double getSurfaceGravity() { return surfaceGravity; } /** * Sets the escape velocity of the object. * @param escapeVelocity escape velocity */ public void setEscapeVelocity(double escapeVelocity) { this.escapeVelocity = escapeVelocity; } /** * Returns the escape velocity of the object. * @return double escape velocity */ public double getEscapeVelocity() { return escapeVelocity; } /** * Sets the temperature at the solid surface of the object. * @param temperature the temperature at the solid surface */ public void setTempAtSolidSurface(double temperature) { this.tempAtSolidSurface = temperature; } /** * Returns the temperature at the solid surface of the object. * @return double temperature at the solid surface */ public double getTempAtSolidSurface() { return tempAtSolidSurface; } /** * Sets the atmospheric constitutents of the object. * @param constitutents atmospheric constitutents */ public void setAtmosphericConstitutents(String constitutents) { this.atmosphericConstitutents = constitutents; } /** * Returns the atmospheric constitutents of the object. * @return String atmospheric constitutents */ public String getAtmosphericConstitutents() { return atmosphericConstitutents; } /** * Sets the epoch of the object. * @param epoch epoch of the object */ public void setEpoch(double epoch) { this.epoch = epoch; } /** * Returns the epoch of the object. * @return double the epoch of the object */ public double getEpoch() { return epoch; } /** * Sets the equinox of the object. * @param equinox equinox of the object */ public void setEquinox(double equinox) { this.equinox = equinox; } /** * Returns the equinox of the object. * @return double the equinox of the object */ public double getEquinox() { return equinox; } /** * Sets the longitudeNode of the object. * @param longitudeNode longitudeNode of the object */ public void setLongitudeNode(double longitudeNode) { this.longitudeNode = longitudeNode; } /** * Returns the longitudeNode of the object. * @return double the longitudeNode of the object */ public double getLongitudeNode() { return longitudeNode; } /** * Sets the perihelion of the object. * @param perihelion perihelion of the object */ public void setPerihelion(double perihelion) { this.perihelion = perihelion; } /** * Returns the perihelion of the object. * @return double the perihelion of the object */ public double getPerihelion() { return perihelion; } }// end of class CelestialObjectInfo