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XDSCC12 is a program for generating [[CC1/2|delta-CC<sub>1/2</sub>]] and delta-CC<sub>1/2-ano</sub>ano values for XDS_ASCII.HKL (written by [[XDS]]), or for XSCALE.HKL containing several files of type XDS_ASCII.HKL after scaling in [[XSCALE]] (with MERGE=FALSE).
It implements the method described in Assmann, Brehm and Diederichs (2016) Identification of rogue datasets in serial crystallography. J. Appl. Cryst. 49, 1021 [http://journals.iucr.org/j/issues/2016/03/00/zw5005/zw5005.pdf], and it does this not only for the individual datasets in XSCALE.HKL, but also for individual frames, or groups of frames, of a single dataset collected with the rotation method and processed by [[XDS]].
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The program output in the terminal window is terse but supposed to be self-explanatory; it can (and most often should) be saved or re-directed to a file. xdscc12 . The .. > xdscc12.log # or xdscc12 ... | tee xdscc12.logIf xdscc12 is used with XDS_ASCII.HKL, the isomorphous delta-CC<sub>1/2</sub> of a batch of frames (width chosen with the -t option) relative to all data is most easily visualized via [[XDSGUI]] (Statistics tab); the anomalous delta-CC<sub>1/2-ano</sub> may be plotted with e.g. gnuplot after grepping the relevant lines from the output.
Statistics are given (in resolution shells) for the isomorphous and the anomalous signal.