1 package org.lcsim.recon.tracking.spacegeom;
2 /** A Cylindrical SpacePointVector
3 *@author Norman A. Graf
4 *@version 1.0
5 *
6 */
7
8 public class CylindricalPointVector extends SpacePointVector
9 {
10
11 /** Constructor
12 * CylindricalPointVector
13 * @param r Cylindrical radius coordinate
14 * @param phi Cylindrical phi coordinate
15 * @param z Cylindrical z coordinate
16 * @param vr Cylindrical radius vector component
17 * @param vphi Cylindrical phi vector component
18 * @param vz Cylindrical z vector component
19 */
20 public CylindricalPointVector(double r, double phi, double z, double vr, double vphi, double vz)
21 {
22 super(new CylindricalPoint(r,phi,z));
23 _vx = cosPhi()*vr - sinPhi()*vphi;
24 _vy = sinPhi()*vr + cosPhi()*vphi;
25 _vz = vz;
26 }
27
28 /**Constructor
29 * CylindricalPointVector
30 * @param spt SpacePoint for this points position
31 * @param vr Cylindrical radius vector component
32 * @param vphi Cylindrical phi vector component
33 * @param vz Cylindrical z vector component
34 */
35 public CylindricalPointVector(SpacePoint spt, double vr, double vphi, double vz)
36 {
37 super(spt);
38 _vx = cosPhi()*vr - sinPhi()*vphi;
39 _vy = sinPhi()*vr + cosPhi()*vphi;
40 _vz = vz;
41 }
42 }