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Thanks everyone  for your replies.
cheers
Nishant

On Mon, Nov 21, 2016 at 6:03 PM, Wei Wang <[log in to unmask]> wrote:

> My personal test shows that the different paths vary little with each
> other, as long as the scaling is done only once. Another way could be what
> is said on XDSwiki: Minimum I/Sigma=50, CORRECTIONS=MODULATION, NBATCH=1.
> Then the XDS_ASCII.HKL is handed over to Aimless with default settings.
>
> One question raised is that how can I move the 'aliens' with Z>20 to
> REMOVE.HKL? I didn't find answer yet. Maybe I didn't read carefully over
> the documents, but I would appreciate it if someone can teach me.
>
> Regards,
>
> Wei
>
>
> On Mon, Nov 21, 2016 at 6:13 AM, Tim Gruene <[log in to unmask]> wrote:
>
>> Dear Nishant,
>>
>> XDS_ASCII.HKL contains corrected, scaled, but not merged reflections.
>> You can specifically ask XDS to merge your data, but I would not do so
>> unless
>> really necessary - you loose a lot of information.
>>
>> I would like to offer a different opinion to Graeme's:
>> You can read XDS_ASCII.HKL into pointless and aimless and provide aimless
>> with
>> the option 'onlymerge'. This way aimless merges the data, but it does not
>> rescale them.
>>
>> XDS performs a couple of corrections in the CORRECT step, the output of
>> which
>> is XDS_ASCII.HKL. And while XDS is extremely well documented, I am not
>> sure
>> aimless takes into account how XDS treats the data. I would therefore
>> trust
>> the step of scaling to the same author and continue with XDS_ASCII.HKL.
>>
>> Best,
>> Tim
>>
>>
>> On Monday, November 21, 2016 11:37:15 AM Nishant Varshney wrote:
>> > Dear All,
>> >
>> > Just to understand more, the XDS_ASCII.HKL file generated after running
>> XDS
>> > contains scaled and merged reflections?
>> >
>> > Moreover, what happens exactly, if you use XDS_ASCII.HKL file in AIMLESS
>> > instead of INTEGRATE.HKL file??
>> >
>> > I ran AIMLESS separately, one using already scaled XDS_ASCII.HKL and
>> > another using INTEGRATE.HKL and I found that in the run using
>> XDS_ASCII.HKL
>> > little lesser total number of observation but marginally better
>> statistics.
>> >
>> > Thanks
>> > Nishant
>> >
>> > On Thu, Nov 17, 2016 at 10:08 PM, Andreas Forster <[log in to unmask]
>> >
>> >
>> > wrote:
>> > > Dear Wei,
>> > >
>> > > if you process your data with XDS, the best is probably to do the
>> scaling
>> > > in XDS (CORRECT) and be done with it.  If you want to use Aimless for
>> > > merging, you can turn off scaling with the ONLYMERGE keyword or use
>> SCALES
>> > > CONSTANT.
>> > >
>> > > All best.
>> > >
>> > >
>> > > Andreas
>> > >
>> > > On Thu, Nov 17, 2016 at 9:40 PM, Wei Wang <[log in to unmask]>
>> wrote:
>> > >> Hi,
>> > >>
>> > >> Is there a way to let xds_par use less than all processors/threads
>> on the
>> > >> machine? Sometimes I would like to process something else while XDS
>> is
>> > >> running.
>> > >>
>> > >> Another question is related to the scaling procedure. My
>> understanding is
>> > >> that the XDS already does the scaling during correction. So if I
>> follow
>> > >> the
>> > >> XDS-Aimless route, then probably I should let Aimless do "skip
>> scaling
>> > >> and
>> > >> only merge"? Please elucidate me on this issue.
>> > >>
>> > >> Regards,
>> > >>
>> > >> Wei
>> >
>> > --
>> > Dr. Nishant Kumar Varshney,
>> > IISc-ICTP Fellow
>> > XRD2 Beamline, Elettra-Sincrotrone,
>> > In Area Science Park,
>> > Basovizza, S.S. 14, Km 163,5,
>> > 34012 Trieste, Italy
>> > +39-040-375 8737 (office ESP4 P1 031)
>> > +39-040-375-8435 (XRD2 beamline)
>> > +39 3318809798 (Mobile)
>> --
>> --
>> Paul Scherrer Institut
>> Dr. Tim Gruene
>> - persoenlich -
>> Principal Investigator
>> Biology and Chemistry
>> OFLC/102
>> CH-5232 Villigen PSI
>>
>> Phone: +41 (0)56 310 5297
>>
>> GPG Key ID = A46BEE1A
>>
>>
>


-- 
Dr. Nishant Kumar Varshney,
IISc-ICTP Fellow
XRD2 Beamline, Elettra-Sincrotrone,
In Area Science Park,
Basovizza, S.S. 14, Km 163,5,
34012 Trieste, Italy
+39-040-375 8737 (office ESP4 P1 031)
+39-040-375-8435 (XRD2 beamline)
+39 3318809798 (Mobile)