Dear CCP4BB

The DIALS team have now released DIALS 1.3 / xia2 0.5: this includes a number 
of fixes to problems reported over the last couple of months (detailed in 
release notes) as well as useful developments, particularly for Eiger detector 
data processing & small molecule data processing.

We would like to draw xia2 users to slight changes in the program output and 
the way the program command-line options work - detailed here:

http://xia2.blogspot.co.uk/2016/07/xia2-command-syntax-now-changed.html

As always, any problems please contact 
dials-supp...@lists.sourceforge.net<mailto:dials-supp...@lists.sourceforge.net> 
or xia2.supp...@gmail.com<mailto:xia2.supp...@gmail.com>, or if you like feel 
free to report issues at

https://github.com/dials/dials/issues

or

https://github.com/xia2/xia2/issues

(feature requests are always welcome)

Installers for Linux, MacOS X and MacOS X 10.6 as well as a source file 
distribution are available from:

http://dials.github.io/installation.html

Best wishes, Graeme (on behalf of the DIALS / xia2 development teams)

=========

Release notes

DIALS 1.3.0 (2015-07-29):

• Improved support for processing compressed images (#79)
• More efficient parallel processing in dials.find_spots (#150)
• dials.image_viewer is now more responsive to parameter changes (#166), and 
can display resolution ellipses when detector is at 2theta angle > 0 (#66). 
Image annotations work for summed images (#107).
• The distl spotfinding webserver has been updated to the most recent versions 
of apache and mod_python, and expanded to support the dials spotfinder, 
including native support for Eiger HDF5 data from Dectris. Some documentation 
is available.
• dials.two_theta_refine provides a refinement of the unit cell parameters 
against the 2theta angles of indexed reflections.
xia2 0.5.45:

• xia2 version 0.5 includes a major overhaul of the available command line 
parameters (xia2/xia2#42). xia2 is moving away from switch-like command line 
parameters (eg. -3dii) to PHIL format parameters (eg. pipeline=3dii) - the same 
command line parameter format used in DIALS. Deprecation warnings are given for 
the most used commands, including all pipeline commands. Run xia2 without any 
parameters to get a very brief overview of available parameters.
• Unit cell sizes are obtained via 2theta refinement, and reported with 
estimated standard deviations when possible (xia2/xia2#28). The command 
xia2.get_unit_cell_errors will be removed in the future.
• Bruker CCD images (.sfrm) are now supported. It may be necessary to set a 
suitable gain value as command line parameter (eg. gain=10)
• xia2 generates a crystallographic information file (xia2.cif) by default 
(xia2/xia2#27)
• Small molecule processing now uses multi sweep indexer by default when 
possible (xia2/xia2#37). High resolution data are no longer cut off when 
running small molecule processing. To return to previous behaviour, use 
keep_all_reflections=false (xia2/xia2#30). xia2.small_molecule is a new 
shortcut for xia2 small_molecule=true.
• Spotfinding results are displayed for XDS pipeline processing (xia2/xia2#20)

Source Code installation

You can compile DIALS 1.3 from scratch by running

$ wget 
https://raw.githubusercontent.com/dials/cctbx/dials-1.3/libtbx/auto_build/bootstrap.py

$ python bootstrap.py --builder=dials hot update base build

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