cdm/src/main/java/ucar/nc2/dataset/CoordSysBuilder.java
protected void makeCoordinateSystems(NetcdfDataset ncDataset) {
    for (VarProcess vp : varList) {
      if (vp.isCoordinateSystem) {
        vp.makeCoordinateSystem();
      }
    }
  }
protected void makeCoordinateSystems(NetcdfDataset ncDataset) {
    for (VarProcess vp : varList) {
      if (vp.isCoordinateSystem) {
        vp.makeCoordinateSystem();
      }
    }
  }
Take all previously identified Coordinate Systems and create a
CoordinateSystem object.

@param ncDataset why