cdm/src/main/java/ucar/nc2/ft/fmrc/EnsCoord.java
static public EnsCoord findEnsCoord(List<EnsCoord> ensCoords, EnsCoord want) {
    if (want == null) return null;

    for (EnsCoord ec : ensCoords) {
      if (want.equalsData(ec))
        return ec;
    }

    // make a new one
    EnsCoord result = new EnsCoord(want);
    ensCoords.add(result);
    return result;
  }
static public EnsCoord findEnsCoord(List<EnsCoord> ensCoords, EnsCoord want) {
    if (want == null) return null;

    for (EnsCoord ec : ensCoords) {
      if (want.equalsData(ec))
        return ec;
    }

    // make a new one
    EnsCoord result = new EnsCoord(want);
    ensCoords.add(result);
    return result;
  }
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