Dear bob,
thank You for help!
Bartek
W dniu 22.11.2019 o 14:04, Von Dreele, Robert B. pisze:
Dear Bartek,
I take your point. Actually trickier than one might think. Working on it.
Bob
On 11/22/2019 12:08 PM, Bartłomiej Gędziorowski via GSAS-II wrote:
Yes,
I know it sounds crazy, but if someone chose by mistake a wrong set
than it would be nice to have the possibility to easily correct
mistake. I think it would be easy to implement it by adding to the
menu a position and use the same dialog window used during adding a
histogram.
Bartek
W dniu 22.11.2019 o 10:47, Von Dreele, Robert B. pisze:
Hi,
You want to switch from one default to another? Say from lab CuKa to
synchrotron (or vice versa)?
Bob
P.S. I'm not up early in Chicago. I'm in the UK for 6 months.
On 11/22/2019 9:43 AM, Bartłomiej Gędziorowski via GSAS-II wrote:
Dear Bob,
yes, I know that, but there I can only select parameters from file,
or reset to default values. There is no way to chose different type
of default profiles, the same way it can be done when you load
histogram and press 'cancel' on profile prompt.
Bartłomiej,
W dniu 22.11.2019 o 10:36, Von Dreele, Robert B. pisze:
Dear Bartlomiej,
There are Save & Load menu items in Instrument Parameters for
saving a set of profile coefficients & then reading them in. If
you do this for the same histogram, it will reset the default values.
Bob
On 11/22/2019 9:30 AM, Bartłomiej Gędziorowski via GSAS-II wrote:
Thank You Brian,
i did it exactly same thing, but I was thinking that maybe
someone here did measurements on this very equipment and got the
parameter file.
However, I've got another question, this time about GSASII menus.
The instrument parameters that can be refined for typical XRD are
slightly different than these for synchrotron. E.g., for XRD we
can select the type of radiation, and for synchrotron the wave
length. Is there any way to change the parameters set, other than
removing the histogram and adding it again?
Bartłomiej
W dniu 21.11.2019 o 17:52, Toby, Brian H. pisze:
You might try one of the generic parameter sets (press cancel at
the parameter dialog) or just start with peak fitting to get
parameters from the pattern you have, (see Determining Starting
Profile Parameters from a Standard
<https://subversion.xray.aps.anl.gov/pyGSAS/Tutorials/CWInstDemo/FindProfParamCW.htm>).
Either way you will not be able to get useful information on
size and microstrain, but you can start without an instrument
parameter file.
Brian
On Nov 21, 2019, at 10:00 AM, Bartłomiej Gędziorowski via
GSAS-II <[email protected] <mailto:[email protected]>> wrote:
Dear all,
My colleague got a pattern from a synchrotron 'BL02B2 —
SPring-8'. I tried to help him with the refinement; however,
it's my first attempt to fit synchrotron data and we don't have
the parameter file. The colleague wrote an email to the
operators, but we didn't get any response. I'm wondering if
anybody did some measurements there and got the parameters? I
will appreciate any help.
I post the link to the website of the synchrotron.
http://www.spring8.or.jp/wkg/BL02B2/instrument/lang-en/INS-0000000318/instrument_summary_view
Best regards,
Bartłomiej
--
Bartłomiej Gędzioroski, Ph.D.
AGH University of Science and Technology,
Faculty of Energy and Fuels,
Department of Hydrogen Energy,
al. Mickiewicza 30
30-059 Krakow, Poland
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