cdm/src/main/java/ucar/nc2/iosp/nowrad/NOWRadiosp.java
public byte[] readOneRowData(byte[] ddata, int rLen, int xt) throws IOException, InvalidRangeException {
    int run;
    byte[] bdata = new byte[xt];
    int nbin = 0;
    int total = 0;

    for (run = 0; run < rLen; run++) {
      int drun = DataType.unsignedByteToShort(ddata[run]) >> 4;
      byte dcode1 = (byte) (DataType.unsignedByteToShort(ddata[run]) & 0Xf);

      for (int i = 0; i < drun; i++) {
        bdata[nbin++] = dcode1;
        total++;
      }
    }

    if (total < xt) {
      for (run = total; run < xt; run++) {
        bdata[run] = 0;
      }
    }

    return bdata;
  }
public byte[] readOneRowData(byte[] ddata, int rLen, int xt) throws IOException, InvalidRangeException {
    int run;
    byte[] bdata = new byte[xt];
    int nbin = 0;
    int total = 0;

    for (run = 0; run < rLen; run++) {
      int drun = DataType.unsignedByteToShort(ddata[run]) >> 4;
      byte dcode1 = (byte) (DataType.unsignedByteToShort(ddata[run]) & 0Xf);

      for (int i = 0; i < drun; i++) {
        bdata[nbin++] = dcode1;
        total++;
      }
    }

    if (total < xt) {
      for (run = total; run < xt; run++) {
        bdata[run] = 0;
      }
    }

    return bdata;
  }
Read data from encoded values and run len into regular data array

@param ddata is encoded data values
@return the data array of row data