lcsim/src/org/lcsim/event/base
diff -N BaseTrack.java
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ BaseTrack.java 25 Mar 2006 06:22:41 -0000 1.1
@@ -0,0 +1,226 @@
+/*
+ * BaseTrack.java
+ *
+ * Created on March 24, 2006, 9:18 PM
+ *
+ * $Id: BaseTrack.java,v 1.1 2006/03/25 06:22:41 ngraf Exp $
+ */
+
+package org.lcsim.event.base;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.lcsim.event.Track;
+import org.lcsim.event.TrackerHit;
+
+/**
+ *
+ * @author Norman Graf
+ */
+public class BaseTrack implements Track
+{
+ protected double[] _refPoint = new double[3];
+ protected boolean _refPointIsDCA = true;
+ protected double[] _parameters = new double[5];
+ protected double[][] _covMatrix = new double[5][5];
+ protected double[] _momentum = new double[3];
+ protected int _charge;
+ protected boolean _fitSuccess;
+ protected double _chi2;
+ protected int _ndf;
+ protected double _dEdx;
+ protected double _dEdxErr;
+ protected double _innermostHitRadius = 9999.;
+ protected int[] _subdetId;
+ protected List<Track> _tracks;
+ protected List<TrackerHit> _hits;
+ protected int _type;
+
+ /** Creates a new instance of BaseTrack */
+ public BaseTrack()
+ {
+ }
+
+ // add following setters for subclasses.
+
+ public void setCharge(int charge)
+ {
+ _charge = charge;
+ }
+
+ // TODO replace this with a SpacePoint
+ public void setReferencePoint(double[] point)
+ {
+ _refPoint = point;
+ }
+
+ public void setRefPointIsDCA(boolean isDCA)
+ {
+ _refPointIsDCA = isDCA;
+ }
+
+ public void setMomentum( double[] p)
+ {
+ _momentum = p;
+ }
+
+ public void setFitSuccess( boolean success)
+ {
+ _fitSuccess = success;
+ }
+
+ public void setTrackParameters(double[] params)
+ {
+ _parameters = params;
+ }
+
+ public void setCovarianceMatrix( double[][] cov)
+ {
+ _covMatrix = cov;
+ }
+
+ public void setChisq( double chisq)
+ {
+ _chi2 = chisq;
+ }
+
+ public void setNDF( int n)
+ {
+ _ndf = n;
+ }
+
+ public void setTrackType(int type)
+ {
+ _type = type;
+ }
+
+ public void addHit(TrackerHit hit)
+ {
+ _hits.add(hit);
+ double[] pos = hit.getPosition();
+ double radius = pos[0]*pos[0]+pos[1]*pos[1];
+ if(radius < _innermostHitRadius*_innermostHitRadius)
+ {
+ _innermostHitRadius = Math.sqrt(radius);
+ }
+ _dEdx += hit.getdEdx();
+ }
+
+ public void addHits(List<TrackerHit> hits)
+ {
+ _hits.addAll(hits);
+ for(TrackerHit hit : hits)
+ {
+ double[] pos = hit.getPosition();
+ double radius = pos[0]*pos[0]+pos[1]*pos[1];
+ if(radius < _innermostHitRadius*_innermostHitRadius)
+ {
+ _innermostHitRadius = Math.sqrt(radius);
+ }
+ _dEdx += hit.getdEdx();
+ }
+ }
+
+ // TODO add convenience methods to replace clunky interface
+ // Track interface
+
+ public int getCharge()
+ {
+ return _charge;
+ }
+
+ public double[] getReferencePoint()
+ {
+ return _refPoint;
+ }
+ public double getReferencePointX()
+ {
+ return _refPoint[0];
+ }
+ public double getReferencePointY()
+ {
+ return _refPoint[1];
+ }
+ public double getReferencePointZ()
+ {
+ return _refPoint[2];
+ }
+ public boolean isReferencePointPCA()
+ {
+ return false;
+ }
+ public double[] getMomentum()
+ {
+ return _momentum;
+ }
+ public double getPX()
+ {
+ return _momentum[0];
+ }
+ public double getPY()
+ {
+ return _momentum[1];
+ }
+ public double getPZ()
+ {
+ return _momentum[2];
+ }
+
+ public boolean fitSuccess()
+ {
+ return _fitSuccess;
+ }
+ public double getTrackParameter(int i)
+ {
+ return _parameters[i];
+ }
+ public double[] getTrackParameters()
+ {
+ return _parameters;
+ }
+ public double getErrorMatrixElement(int i, int j)
+ {
+ return _covMatrix[i][j];
+ }
+ public double[][] getErrorMatrix()
+ {
+ return _covMatrix;
+ }
+ public double getChi2()
+ {
+ return _chi2;
+ }
+ public int getNDF()
+ {
+ return _ndf;
+ }
+
+ public double getdEdx()
+ {
+ return _dEdx;
+ }
+ public double getdEdxError()
+ {
+ return _dEdxErr;
+ }
+ public double getRadiusOfInnermostHit()
+ {
+ return _innermostHitRadius;
+ }
+ public int[] getSubdetectorHitNumbers()
+ {
+ return _subdetId;
+ }
+ public List<Track> getTracks()
+ {
+ return _tracks;
+ }
+ public List<TrackerHit> getTrackerHits()
+ {
+ return _hits;
+ }
+ public int getType()
+ {
+ return _type;
+ }
+}
\ No newline at end of file
