public DataState setCoverage(CoverageCollection coverageDataset, Coverage grid) {
    this.dataState = new DataState(coverageDataset, grid);
    this.lastGrid = null;
    isNewField = true;
    return this.dataState;
  }
public DataState setCoverage(CoverageCollection coverageDataset, Coverage grid) {
    this.dataState = new DataState(coverageDataset, grid);
    this.lastGrid = null;
    isNewField = true;
    return this.dataState;
  }
public DataState setCoverage ( CoverageCollection coverageDataset , Coverage grid ) { this . dataState = new DataState ( coverageDataset , grid ) ; this . lastGrid = null ; isNewField = true ; return this . dataState ; }
/* set the Grid
/ * set the Grid