1 package org.lcsim.recon.tracking.spacegeom;
2
3 /** Spherical SpacePointVector
4 *@author Norman A. Graf
5 *@version 1.0
6 *
7 */
8
9 public class SphericalPointVector extends SpacePointVector
10 {
11
12 /** Constructor
13 * SphericalPointVector
14 * @param r Spherical radius coordinate
15 * @param phi Spherical phi coordinate
16 * @param theta Spherical theta coordinate
17 * @param vr Spherical delta radius coordinate
18 * @param vtheta Spherical delta theta coordinate
19 * @param vphi Spherical rdelta phi coordinate
20 */
21 public SphericalPointVector(double r, double phi, double theta, double vr, double vtheta, double vphi)
22 {
23 super(new SphericalPoint(r,phi,theta));
24 _vx = sinTheta()*cosPhi()*vr
25 + cosTheta()*cosPhi()*vtheta - sinPhi()*vphi;
26 _vy = sinTheta()*sinPhi()*vr
27 + cosTheta()*sinPhi()*vtheta + cosPhi()*vphi;
28 _vz = cosTheta()*vr - sinTheta()*vtheta;
29 }
30
31 /**Constructor
32 * SphericalPointVector
33 * @param spt SpacePoint for this point's location
34 * @param vr Spherical delta radius coordinate
35 * @param vtheta Spherical delta theta coordinate
36 * @param vphi Spherical rdelta phi coordinate
37 */
38 public SphericalPointVector(SpacePoint spt, double vr, double vtheta, double vphi)
39 {
40 super(spt);
41 _vx = sinTheta()*cosPhi()*vr
42 + cosTheta()*cosPhi()*vtheta - sinPhi()*vphi;
43 _vy = sinTheta()*sinPhi()*vr
44 + cosTheta()*sinPhi()*vtheta + cosPhi()*vphi;
45 _vz = cosTheta()*vr - sinTheta()*vtheta;
46 }
47 }