Pointless: Difference between revisions
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[[xprep]] | [[ccp4com:XPREP|xprep]] | ||
[[Space group determination]] | [[Space group determination]] | ||
[[Scaling with SCALA]] | [[Scaling with SCALA]] | ||
Revision as of 21:24, 22 November 2009
The pointless program (see Scaling and Assessment of Data Quality, Philip Evans, Acta Cryst D 62, 72-82) serves to identify space group possibilities from unmerged data.
It may be obtained from ftp://ftp.ccp4.ac.uk/ccp4/6.0.2/prerelease/ but the version at ftp://ftp.mrc-lmb.cam.ac.uk/pub/pre/ is the newest (versions before 1.2.13 have a bug which makes them crash on certain XDS_ASCII.HKL files; version 1.2.14 fixes another bug). HTML documentation is at ftp://ftp.ccp4.ac.uk/ccp4/6.0.2/prerelease/pointless.html
Typical usage for space group determination is
pointless xdsin XDS_ASCII.HKL
Typical usage for converting to multi-record MTZ file (for scaling with SCALA) is
pointless -copy xdsin XDS_ASCII.HKL hklout XDS_ASCII.mtz
See also: