1 package org.lcsim.detector;
2
3 import hep.physics.vec.Hep3Vector;
4
5 /**
6 *
7 * Interface to placements of {@link org.lcsim.detector.ILogicalVolume}
8 * objects in the geometry tree.
9 *
10 * @author Jeremy McCormick <jeremym@slac.stanford.edu>
11 */
12 public interface IPhysicalVolume
13 {
14 public String getName();
15
16 /**
17 * Get the associated LogicalVolume.
18 * @return The associated LogicalVolume.
19 */
20 public ILogicalVolume getLogicalVolume();
21
22 /**
23 * Get the mother's LogicalVolume.
24 * @return The mother's LogicalVolume.
25 */
26 public ILogicalVolume getMotherLogicalVolume();
27
28 /**
29 * Get the transformation from mother's coordinate system.
30 * @return The transformation from mother's coordinate system.
31 */
32 public ITransform3D getTransform();
33
34 /**
35 * Get the translation component of the coordinate transform.
36 * @return The translation component of the coordinate transform.
37 */
38 public Hep3Vector getTranslation();
39
40 /**
41 * Get the rotation component of the coordinate transform.
42 * @return The rotation component of the coordinate transform.
43 */
44 public IRotation3D getRotation();
45
46 /**
47 * Get the copy number.
48 * @return The copy number of this volume.
49 */
50 public int getCopyNumber();
51
52 /**
53 * Transform a point from parent to this volume.
54 * @param point A point in parent coordinate system.
55 * @return Point transformed to local coordinate system.
56 */
57 public Hep3Vector transformParentToLocal(Hep3Vector point);
58
59 /**
60 * True if this volume is a sensitive component;
61 * False if this volume is not a sensitive component.
62 */
63 // FIXME: Move to LogicalVolume or DetectorElement? Geant4 uses LogicalVolume for this.
64 public boolean isSensitive();
65 }