public CoverageTable(String path,String covtype){
  this.covtype=covtype;
  tablepath=path + "/" + covtype+ "/";
  doAntarcticaWorkaround=(tablepath.indexOf("browse") >= 0);
  internSchema();
  loadIntVDT();
  loadCharVDT();
  featureTypeInfo=getFeatureTypeInfo();
}

public CoverageTable ( String path , String covtype ) { this . covtype = covtype ; tablepath = path + "/" + covtype + "/" ; doAntarcticaWorkaround = ( tablepath . indexOf ( "browse" ) >= 0 ) ; internSchema ( ) ; loadIntVDT ( ) ; loadCharVDT ( ) ; featureTypeInfo = getFeatureTypeInfo ( ) ; }
construct a coveragetable object . data is expected to be in a directory called path / covtype .
