No worries, solved now.
On Tuesday, October 4, 2016 at 6:22:57 AM UTC+1, Mitchell Hockley wrote:
>
> Could anyone help me with the following please?
>
> How can I return a stream of bits which represents an array of double
> precision numbers?
>
> For example, if I wanted to return two values each equal to
> 0.3333333333333 I could do the following in nodejs:
>
> app.get('/GetBinaryData', function(req, res)
> {
> var buf = new Buffer(16);
>
> buf[0] = 0x55;
> buf[1] = 0x55;
> buf[2] = 0x55;
> buf[3] = 0x55;
> buf[4] = 0x55;
> buf[5] = 0x55;
> buf[6] = 0xd5;
> buf[7] = 0x3f;
>
> buf[8] = 0x55;
> buf[9] = 0x55;
> buf[10] = 0x55;
> buf[11] = 0x55;
> buf[12] = 0x55;
> buf[13] = 0x55;
> buf[14] = 0xd5;
> buf[15] = 0x3f;
>
> res.send(buf);
> }
> );
>
> At the client side I receive the stream and read 8 bits at a time to get
> the two values.
>
> I understand there may be endian issues, but ignoring them the questions
> simplifies to:
>
> If I want to send the content of this array:
>
> var array = [7.1,5.2,13.3,300.4];
>
> to a client from nodejs as binary data how can I do it?
>
> (can be floats if necessary. Maybe there's a entirely better way I am
> unaware of, that would be great).
>
> Thanks fro any help,
> Mitch.
>
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