visad/src/main/java/ucar/nc2/iosp/grid/GridVariable.java
void addProduct(GridRecord record) {
    records.add(record);
    if (firstRecord == null) {
      firstRecord = record;
    }
  }
void addProduct(GridRecord record) {
    records.add(record);
    if (firstRecord == null) {
      firstRecord = record;
    }
  }
Add in a new product

@param record grid  to add