Re: [Psidev-ms-dev] Silly question about possible encodings in mzML.

[Brian P. <bri...@in...>]

Perhaps even 8 and 16 bit?  32 bit seems like overkill for a charge state
(unless you're using compression, of course).

 

Brian

 

  _____  

From: Angel Pizarro [mailto:an...@ma...] 
Sent: Monday, June 08, 2009 9:44 AM
To: Mass spectrometry standard development
Subject: Re: [Psidev-ms-dev] Silly question about possible encodings in
mzML.

 

I agree with Matt here. 

-a

On Mon, Jun 8, 2009 at 12:38 PM, Matthew Chambers
<mat...@va...> wrote:

Is it sensible to store charge state array in a floating point type? I
think we may need to bring back the 32 and 64 bit integer types.

-Matt



Marc Sturm wrote:
> Hi Lennart,
>
> These are the possible combinations:
>
> + MS:1000518 ! binary data type (children only)
>     - MS:1000521 ! 32-bit float
>     - MS:1000523 ! 64-bit float
> + MS:1000572 ! binary data compression type (children only)
>     - MS:1000574 ! zlib compression
>     - MS:1000576 ! no compression
>
> I think it's always little endian.
>
> Best,
>   Marc
>
>> Dear PSI-MS Enthousiasts,
>>
>>
>> I have a really silly question, which I guess I should know, but I'll
>> put forward that I've missed a few too many meetings and calls recently.
>>
>> The question is: which data encodings can we expect in mzML binary
arrays?
>>
>> Is it simply bzipped/non-bzipped base64 (little-endian), or am I missing
>> some other possible options? And I further assume bzipping to be flagged
>> by a CV param?
>>
>>
>>
>> Thanks in advance,
>>
>> lnnrt.
>>
>>
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>
>
>
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