cdm/src/main/java/ucar/nc2/ft/point/standard/CoordSysEvaluator.java
static public String findCoordNameByType(NetcdfDataset ds, AxisType atype) {
     CoordinateAxis coordAxis = findCoordByType(ds, atype);
     return coordAxis == null ? null : coordAxis.getFullName();
   }
static public String findCoordNameByType(NetcdfDataset ds, AxisType atype) {
     CoordinateAxis coordAxis = findCoordByType(ds, atype);
     return coordAxis == null ? null : coordAxis.getFullName();
   }
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 name, or null if none