Re: [Psidev-ms-dev] Smaller files

[Rune S. P. <ru...@ph...>]

I looked for the capability in the latest (20080327) snapshot xsd from 
Lennart and couldn't find it.
Isn't integer intensities also quite common.
Data from the Waters Premier seem to be integer ion counts.

-Rune

Matt Chambers wrote:
> Hi Rune, mzML has both of these capabilities. With separate binary 
> arrays (like mzXML 3.0 theoretically supports but so far is rare in the 
> wild), the m/z array can be 64 and the intensity array can be 32, which 
> is most likely to fit current instrument capabilities. Also, 
> chromatogram time values probably don't need 64 bit either. SPC's 
> converter tools support writing and reading compressed mzML last time I 
> checked.
>
> -Matt
>
>
> Rune Schjellerup Philosof wrote:
>   
>> In mzXML 3.0 there are two options for generating smaller files.
>> 1. Saving in 32bit instead of 64bit.
>> 2. Compressing the scans using zllib.
>>
>> Any special reasons why these features hasn't survived into mzML (yet)?
>>
>> --
>> Regards
>> Rune
>>
>>   
>>     
>
>
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