visad/src/main/java/ucar/nc2/iosp/grid/GridDefRecord.java
public final void addParam(String key, String value) {
    //System.out.println(" adding " + key + " = " + value);
    paramStr.put(key.trim(), value);
    paramsValues = paramsValues +"\t"+ key +"\t"+ value;
  }
public final void addParam(String key, String value) {
    //System.out.println(" adding " + key + " = " + value);
    paramStr.put(key.trim(), value);
    paramsValues = paramsValues +"\t"+ key +"\t"+ value;
  }
adds a param and value.

@param key   name of the param
@param value of the param