cdm/src/main/java/ucar/nc2/ft/point/standard/CoordSysEvaluator.java
static public CoordinateAxis findCoordByType(NetcdfDataset ds, AxisType atype) {
    return findCoordByType(ds, atype, null);
  }
static public CoordinateAxis findCoordByType(NetcdfDataset ds, AxisType atype) {
    return findCoordByType(ds, atype, null);
  }
Search for Axis by Type.
@param ds search in this dataset's "Best" coordinate system.
@param atype search for this type of CoordinateAxis. takes the first one it finds.
@return the found CoordinateAxis, or null if none