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From: wenbo <wen...@gm...> - 2014-05-25 12:19:44
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Hi Hannes: Thank you for your prompt and exact answer. I got it now. Best regards! Bo On Sun, May 25, 2014 at 6:23 PM, Hannes Röst <han...@gm...> wrote: > Hi Bo > > If this is about msconvert.exe, probably the proteowizard mailing list > would have more knowledgeable people on it. However, from what I can > see, these options relate to the precision in which the data is stored > - e.g. whether 32 or 64 bits are used to store the information. If 64 > bits are used, you will use up somewhat more diskspace. Internally, > OpenMS uses 32 bit precision for intensity and 64 for mz, so this > might not be a bad choice to also store the data in that format, e.g. > I would recommend for you to use -mz64 and -inten32 > > More theoretical: According to IEEE 754 there are usually 23 bits used > for 32 bit floating point numbers which lead to a precision of about 7 > decimal places which is in the range of sub-ppm. Therefore, for mz > values it could have a slight effect but probably still less than the > instrument precision. > > Hannes > > > > On 25 May 2014 05:47, wenbo <wen...@gm...> wrote: > > Hi, > > Does anyone know the difference of the following parameters from > msconvert? > > What's their impact to OpenMS workflow? And usually how to set? > > --64 : set default binary encoding to 64-bit > precision > > [default] > > --32 : set default binary encoding to 32-bit > precision > > --mz64 : encode m/z values in 64-bit precision > [default] > > --mz32 : encode m/z values in 32-bit precision > > --inten64 : encode intensity values in 64-bit precision > > --inten32 : encode intensity values in 32-bit precision > > > > Many thanks and best regards! > > Bo > > > > > ------------------------------------------------------------------------------ > > "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE > > Instantly run your Selenium tests across 300+ browser/OS combos. > > Get unparalleled scalability from the best Selenium testing platform > > available > > Simple to use. Nothing to install. Get started now for free." > > http://p.sf.net/sfu/SauceLabs > > _______________________________________________ > > Open-ms-general mailing list > > Ope...@li... > > https://lists.sourceforge.net/lists/listinfo/open-ms-general > > > > > ------------------------------------------------------------------------------ > "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE > Instantly run your Selenium tests across 300+ browser/OS combos. > Get unparalleled scalability from the best Selenium testing platform > available > Simple to use. Nothing to install. Get started now for free." > http://p.sf.net/sfu/SauceLabs > _______________________________________________ > Open-ms-general mailing list > Ope...@li... > https://lists.sourceforge.net/lists/listinfo/open-ms-general > |