1 package org.lcsim.recon.tracking.vsegment.hit;
2
3 import java.util.List;
4
5 import org.lcsim.event.MCParticle;
6
7 import org.lcsim.recon.tracking.vsegment.geom.Sensor;
8
9 /**
10 * Representation of signal from a single tracker channel (pixel or strip).
11 *
12 * @author D.Onoprienko
13 * @version $Id: DigiTrackerHit.java,v 1.1 2008/12/06 21:53:44 onoprien Exp $
14 */
15 public interface DigiTrackerHit extends Comparable<DigiTrackerHit> {
16
17 /**
18 * Returns signal in the channel.
19 * The signal value is the digitization algorithm output if running on Monte Carlo,
20 * calibrated and corrected signal if runnung on data.
21 */
22 public double getSignal();
23
24 /** Returns time associated with the hit. */
25 public double getTime();
26
27 /** Returns {@link Sensor} object this hit belongs to. */
28 public Sensor getSensor();
29
30 /** Returns channel ID on the sensor. */
31 public int getChannel();
32
33 /** Returns <tt>true</tt> if the hit is a superposition of more than one elemental hit. */
34 public boolean isComposite();
35
36 /**
37 * Returns a list of underlying elemental hits.
38 * If the hit is not composite, returns a list with a single element - this hit.
39 */
40 public List<DigiTrackerHit> getElementalHits();
41
42 /**
43 * Returns <tt>MCParticle</tt> that produced the hit.
44 * If the hit is composite, or does not have <tt>MCParticle</tt> associated with
45 * it (noise, beam test data, etc.), returns <tt>null</tt>.
46 */
47 public MCParticle getMCParticle();
48
49 }