Re: [Ifeffit] Larch 0.9.51

[Matt Newville]

Hi Stefan,


On Tue, Apr 27, 2021 at 12:24 PM Mangold, Stefan (IPS) <
stefan.mang...@kit.edu> wrote:

> Dear all,
>
> tested the latest version on two Macs:
>

Sorry for the trouble.



> M1 on Big Sur
> XAS viewer starts up, but the open dialog doesn’t work, it doesn’t open at
> all
>

Oh, I can definitely believe that there could be problems on M1 chips.  I
don't have access to one of these, at least not yet, so have not done any
testing with that.  I don't know to what extent the underlying python
libraries are well-tested on M1 either.In some ways "XAS Viewer starts
up" is an encouraging sign, but I don't know what might be going wrong from
there.   There isn't much you can do with XAS_Viewer without having read in
some data, so it might be hard to test further.




> old MacPro an 10.12.6
> XAS viewer starts up, but the open dialog starts up, but I get a message,
> the he can’t read in the file or files. These file worked with the older
> version.
>

Oh, can you send the files in question?  There were changes in reading
files that appear to be Spec files, but I think everything else should be
the same.I don't think that OSX 10.12 is old enough to have "known
problems".



> In both cases I started with an anaconda installation and made the update.
>
> Matt, I can sent you more information.
>

Yes, that would be helpful.  Thanks,

--Matt
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Re: [Ifeffit] Larch 0.9.51

[Mangold, Stefan (IPS)]

Dear all,

tested the latest version on two Macs:

M1 on Big Sur
XAS viewer starts up, but the open dialog doesn’t work, it doesn’t open at all

old MacPro an 10.12.6
XAS viewer starts up, but the open dialog starts up, but I get a message, the 
he can’t read in the file or files. These file worked with the older version.

In both cases I started with an anaconda installation and made the update.

Matt, I can sent you more information.

Best regards

Stefan


Am 23.04.2021 um 18:12 schrieb Matt Newville 
mailto:newvi...@cars.uchicago.edu>>:

Hi Folks,

Larch 0.9.51 is now available for download and use.   It's been several months 
since the last release, and there have been some important improvements to XAFS 
data processing and to the XAS Viewer application:

 - Parameters saved in an Athena Project File are now correctly saved and read 
into XAS Viewer (thanks Tyler Valentine!)

 - There is now a simple "Apply to all marked groups" feature for pre-edge peak 
fitting. That is, you can define a pre-edge peak model with one data set and 
then apply it to many others, either inspecting the individual fits or saving a 
CSV file with all the parameters and uncertainties for each fit to each data 
set.

 - XAS Viewer can now import multiple scans from a Spec file (thanks Mauro 
Rovezzi for help with this).  It may seem that Specfiles are "legacy", but the 
reader should also be able to handle the ESRF Bliss HDF5 files (as read in with 
the silx package, from ESRF), which is their way of efficiently stacking 
multiple scans into a single binary file.  While support for this here should 
be considered "beta" (or maybe "alpha"!), it is also reasonable to expect that 
this or a similar HDF5 format file will become a common way to collect and 
store XAFS data.

 - There are binary installers for Windows, MacOSX, and Linux. There are also 
now "GetLarch.sh" and "GetLarch.bat" scripts (that are very short) that can be 
run to do the download and install, essentially mimicking what the binary 
installer does.  This may be useful for folks wanting to install Larch on 
multi-user servers or in existing (or "other") Python environments.
This might also be useful for those who run into permissions issues, especially 
on MacOS, where installing a package from an untrusted source is often blocked 
by default.  With the installer script, the unprivileged user is simply running 
a script that downloads a bunch of files and places them in the home folder.
These scripts might also be useful for those who run into problems downloading 
very large files from 
millenia.cars.aps.anl.gov, as the installer 
scripts will use Anaconda and PyPI resources that are better distributed 
throughout the world.

... which brings me to a final note (I'll send out another message next week):  
The APS will have a planned power outage from April 30 to May 4 . This will 
take millenia.cars.aps.anl.gov off-line for 
those 5 +/- 1 days.  That machine hosts the binary installers and also this 
mailing list.   Mail sent to this list during that time will likely be lost 
(email routing servers can handle destination servers being down for a few 
hours, but not days).   So, if you're planning on sending announcements here, 
either do it before April 29 or wait until May 5.

If you have any questions, problems, or suggestions, please let me know.

--Matt

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[Ifeffit] Larch 0.9.51

[Matt Newville]

Hi Folks,

Larch 0.9.51 is now available for download and use.   It's been several
months since the last release, and there have been some important
improvements to XAFS data processing and to the XAS Viewer application:

 - Parameters saved in an Athena Project File are now correctly saved and
read into XAS Viewer (thanks Tyler Valentine!)

 - There is now a simple "Apply to all marked groups" feature for pre-edge
peak fitting. That is, you can define a pre-edge peak model with one data
set and then apply it to many others, either inspecting the individual fits
or saving a CSV file with all the parameters and uncertainties for each fit
to each data set.

 - XAS Viewer can now import multiple scans from a Spec file (thanks Mauro
Rovezzi for help with this).  It may seem that Specfiles are "legacy", but
the reader should also be able to handle the ESRF Bliss HDF5 files (as read
in with the silx package, from ESRF), which is their way of efficiently
stacking multiple scans into a single binary file.  While support for this
here should be considered "beta" (or maybe "alpha"!), it is also reasonable
to expect that this or a similar HDF5 format file will become a common way
to collect and store XAFS data.

 - There are binary installers for Windows, MacOSX, and Linux. There are
also now "GetLarch.sh" and "GetLarch.bat" scripts (that are very short)
that can be run to do the download and install, essentially mimicking what
the binary installer does.  This may be useful for folks wanting to install
Larch on multi-user servers or in existing (or "other") Python
environments.
This might also be useful for those who run into permissions issues,
especially on MacOS, where installing a package from an untrusted source is
often blocked by default.  With the installer script, the unprivileged user
is simply running a script that downloads a bunch of files and places them
in the home folder.
These scripts might also be useful for those who run into problems
downloading very large files from millenia.cars.aps.anl.gov, as the
installer scripts will use Anaconda and PyPI resources that are better
distributed throughout the world.

... which brings me to a final note (I'll send out another message next
week):  The APS will have a planned power outage from April 30 to May 4 .
This will take millenia.cars.aps.anl.gov off-line for those 5 +/- 1 days.
That machine hosts the binary installers and also this mailing list.   Mail
sent to this list during that time will likely be lost (email routing
servers can handle destination servers being down for a few hours, but not
days).   So, if you're planning on sending announcements here, either do it
before April 29 or wait until May 5.

If you have any questions, problems, or suggestions, please let me know.

--Matt
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