List of neighbours_nest() Examples

Examples of neighbours_nest()

gov.fnal.eag.healpix.PixTools.neighbours_nest()
returns 7 or 8 neighbours of any pixel in the nested scheme The neighbours are ordered in the following way: First pixel is the one to the south ( the one west of the south direction is taken for pixels that don't have a southern neighbour). From then on the neighbors are ordered in the clockwise direction. @param nside the map resolution @param ipix long pixel number @return ArrayList @throws IllegalArgumentException

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

    long[] test32 = { 40, 44, 45, 34, 35, 33, 38, 36 };
    long[] test3 = { 0, 2, 13, 15, 11, 7, 6, 1 };
    long[] test25 = { 42, 24, 26, 27, 10, 8, 30, 43 };
    //
    ArrayList npixList = new ArrayList();
    npixList = pt.neighbours_nest(nside, ipix);
    for (int i = 0; i < npixList.size(); i++) {
      assertEquals("ip = " + ((Long) npixList.get( i)).longValue(),
          test25[ i], ((Long) npixList.get(  i)).longValue(), 1e-10);
    }
    ipix = 17;

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

      assertEquals("ip = " + ((Long) npixList.get( i)).longValue(),
          test25[ i], ((Long) npixList.get(  i)).longValue(), 1e-10);
    }
    ipix = 17;


    npixList = pt.neighbours_nest(nside, ipix);
    for (int i = 0; i < npixList.size(); i++) {
      assertEquals("ip = " + ((Long) npixList.get(i)).longValue(),
          test17[i], ((Long) npixList.get(i)).longValue(), 1e-10);
    }
    ipix = 32;

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

      assertEquals("ip = " + ((Long) npixList.get(i)).longValue(),
          test17[i], ((Long) npixList.get(i)).longValue(), 1e-10);
    }
    ipix = 32;


    npixList = pt.neighbours_nest(nside, ipix);
    for (int i = 0; i < npixList.size(); i++) {
      assertEquals("ip = " + ((Long) npixList.get(i)).longValue(),
          test32[i], ((Long) npixList.get(i)).longValue(), 1e-10);
    }
    ipix = 3;

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

      assertEquals("ip = " + ((Long) npixList.get(i)).longValue(),
          test32[i], ((Long) npixList.get(i)).longValue(), 1e-10);
    }
    ipix = 3;


    npixList = pt.neighbours_nest(nside, ipix);
    for (int i = 0; i < npixList.size(); i++) {
      assertEquals("ip = " + ((Long) npixList.get(i)).longValue(),
          test3[i], ((Long) npixList.get(i)).longValue(), 1e-10);
    }
    System.out.println(" test NeighboursNest is done");

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