1 package org.lcsim.recon.tracking.spacegeom;
2 /** A Cylindrical SpacePoint
3 *
4 *@author Norman A. Graf
5 *@version 1.0
6 *@see SpacePoint
7 */
8 public class CylindricalPoint extends SpacePoint
9 {
10
11 /** Constructor.
12 * Constructs a SpacePoint with Cylindrical coordinates
13 * @param r Cylindrical radius coordinate
14 * @param phi Cylindrical phi coordinate
15 * @param z Cylindrical z coordinate
16 */
17 public CylindricalPoint(double r, double phi, double z)
18 {
19 _xy = r;
20 _phi = phi;
21 _z = z;
22 _x = r*Math.cos(phi);
23 _y = r*Math.sin(phi);
24 _xyz = Math.sqrt(_xy*_xy+_z*_z);
25 _theta = Math.atan2(_xy,_z);
26 }
27 }