List of vect2pix_ring() Examples

Examples of vect2pix_ring()

gov.fnal.eag.healpix.PixTools.vect2pix_ring()
renders the pixel number ipix (RING scheme) for a pixel which contains a point on a sphere at coordinate vector (x,y,z), given the map resolution parameter nside @param nside long map resolution @param vector Vector3d of the point coordinates @return long pixel number @throws IllegalArgumentException

Examples of gov.fnal.eag.healpix.PixTools.vect2pix_ring()

      pix =  pt.ang2pix_ring(nside,theta, phi);
    } catch (Exception e) {
      e.printStackTrace();
    }
    Vector3d v = pt.Ang2Vec(theta,phi);
    long pix1 =  pt.vect2pix_ring(nside,v);
    assertEquals("pix=" + pix, pix1, pix, 1e-10);
    assertEquals("pix=" + pix, 76, pix, 1e-10);


    long pix2 =  pt.ang2pix_nest(nside,theta,phi);
    long pix3 =  pt.vect2pix_nest(nside,v);

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Examples of gov.fnal.eag.healpix.PixTools.vect2pix_ring()

    int ipix = 83;
    int respix = 0;
    PixTools pt = new PixTools();
    Vector3d v1 = new Vector3d(0., 0., 0.);
    v1 = pt.pix2vect_ring(nside, ipix);
    respix = (int) pt.vect2pix_ring(nside, v1);
    assertEquals("respix = " + respix, 83, respix, 1e-10);


    System.out.println("------------------------------------------");
    System.out.println(" test vect2pix_ring is done");
  }

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