cdm/src/main/java/ucar/nc2/dt/grid/GridDataset.java
static public GridDataset open(String location) throws java.io.IOException {
    return open(location, NetcdfDataset.getDefaultEnhanceMode());
  }
static public GridDataset open(String location) throws java.io.IOException {
    return open(location, NetcdfDataset.getDefaultEnhanceMode());
  }
Open a netcdf dataset, using NetcdfDataset.defaultEnhanceMode plus CoordSystems
and turn into a GridDataset.

@param location netcdf dataset to open, using NetcdfDataset.acquireDataset().
@return GridDataset
@throws java.io.IOException on read error
@see ucar.nc2.dataset.NetcdfDataset#acquireDataset