this.formatConverter = converter;
    public TDSFile(DataInput myIn) throws IOException {        super(myIn);        ChunkHeader c=new ChunkHeader(myIn);        if (c.type!=MAIN_3DS)            throw new IOException("Header doesn't match 0x4D4D; Header=" + Integer.toHexString(c.type));        c.length-=6;        setHeader(c);        chunk();    }