1 package org.lcsim.event;
2
3 /**
4 * The interface for a MC TrackerHit generated by the detector simulation.
5 * @author Jeremy McCormick
6 * @version $Id: SimTrackerHit.java,v 1.21 2011/08/24 18:51:17 jeremy Exp $
7 */
8 public interface SimTrackerHit extends Hit {
9
10 /**
11 * Get the layer number of the hit.
12 * @return The layer number of the hit.
13 */
14 public int getLayer();
15
16 /**
17 * Get the center of the hit in Cartesian coordinates.
18 * @return The center point of the hit.
19 */
20 double[] getPoint();
21
22 /** returns dE/dx energy deposition */
23 double getdEdx();
24
25 // @Deprecated
26 // @deprecated
27 // Use {@link #getCellID64()} instead.
28 int getCellID();
29
30 /**
31 * Get the full 64-bit ID of this hit.
32 * @return The ID.
33 */
34 long getCellID64();
35
36 /**
37 * Get the time of the hit [ns].
38 * @return The time of the hit [ns].
39 */
40 double getTime();
41
42 /**
43 * Get the associated MCParticle that made this hit.
44 * @return The hit's MCParticle.
45 */
46 MCParticle getMCParticle();
47
48 /**
49 * Get the 3-momentum of the particle at the hit's position [GeV].
50 * Optional, only if bit LCIOConstants.THBIT_MOMENTUM is set.
51 * @return The 3-momentum of the particle at the hit's position.
52 */
53 double[] getMomentum();
54
55 /**
56 * The path length of the particle in the sensitive material that resulted in this hit.
57 * This is only stored together with momentum, i.e. if LCIO::THBIT_MOMENTUM is set.
58 * @return The path length of the hit.
59 */
60 double getPathLength();
61
62 /**
63 * Get the start point of the hit.
64 * @return The start point.
65 */
66 double[] getStartPoint();
67
68 /**
69 * Get the end point of the hit.
70 * @return The end point.
71 */
72 double[] getEndPoint();
73 }