1 package org.lcsim.spacegeom;
2 /** A Cartesian SpacePoint
3 *
4 *@author Norman A. Graf
5 *@version $Id: CartesianPoint.java,v 1.1.1.1 2010/12/01 00:15:57 jeremy Exp $
6 *
7 */
8 import static org.lcsim.spacegeom.Representation.Cartesian;
9
10 public class CartesianPoint extends SpacePoint
11 {
12 protected CartesianPoint() {
13
14 }
15 /**
16 * Constructor.
17 * Constructs a SpacePoint with Cartesian coordinates
18 * @param x Cartesian x coordinate
19 * @param y Cartesian y coordinate
20 * @param z Cartesian z coordinate
21 */
22 public CartesianPoint(double x, double y, double z)
23 {
24 _x = x;
25 _y = y;
26 _z = z;
27 _representation = Cartesian;
28 _xy = Double.NaN;
29 _xyz = Math.sqrt(_x*_x + _y*_y + _z*_z);
30 _phi = Double.NaN;
31 _theta = Double.NaN;
32 }
33
34 /**
35 * Constructs a CartesianSpacePoint from a legacy vector
36 * @param x
37 */
38 public CartesianPoint(double[] x)
39 {
40 this(x[0], x[1], x[2]);
41 }
42 }