List of Vect2Ang() Examples

Examples of Vect2Ang()

gov.fnal.eag.healpix.PixTools.Vect2Ang()
converts a Vector3d in a tuple of angles tup[0] = theta co-latitude measured from North pole, in [0,PI] radians, tup[1] = phi longitude measured eastward, in [0,2PI] radians @param v Vector3d @return double[] out_tup out_tup[0] = theta out_tup[1] = phi

Examples of gov.fnal.eag.healpix.PixTools.Vect2Ang()

  public void testVec2Ang() {
    double PI = Math.PI;
    Vector3d v = new Vector3d(0.0, 1.0, 0.0);
    PixTools pt = new PixTools();
    double[] ang_tup = { 0., 0. };
    ang_tup = pt.Vect2Ang(v);
    System.out.println(" Theta=" + ang_tup[0] / PI + " Phi=" + ang_tup[1]
        / PI);
    assertEquals("Theta=" + ang_tup[0], 0.5, ang_tup[0] / PI, 1e-10);
    assertEquals("Phi=" + ang_tup[1], 0.5, ang_tup[1] / PI, 1e-10);
    v = new Vector3d(1.0, 0.0, 0.0);

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Examples of gov.fnal.eag.healpix.PixTools.Vect2Ang()

    System.out.println(" Theta=" + ang_tup[0] / PI + " Phi=" + ang_tup[1]
        / PI);
    assertEquals("Theta=" + ang_tup[0], 0.5, ang_tup[0] / PI, 1e-10);
    assertEquals("Phi=" + ang_tup[1], 0.5, ang_tup[1] / PI, 1e-10);
    v = new Vector3d(1.0, 0.0, 0.0);
    ang_tup = pt.Vect2Ang(v);
    assertEquals("phi=" + ang_tup[1], 0., ang_tup[1] / PI, 1e-10);
    System.out.println(" test Vect2Ang is done");
  }


  public void testAng2Pix() throws Exception {

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