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Re: [Imgcif-l] CBF Format
- To: The Crystallographic Binary File and its imgCIF application to image data <imgcif-l@iucr.org>
- Subject: Re: [Imgcif-l] CBF Format
- From: Jon Wright <wright@esrf.fr>
- Date: Thu, 13 Sep 2007 15:35:39 +0200
- In-Reply-To: <Pine.LNX.4.64.0709131357550.12486@ls1.lmb.internal>
- References: <46E8433B.7080908@rayonix.com><46E850F9.5010003@lbl.gov> <Pine.LNX.4.64.0709122208150.14234@ls1.lmb.internal> <Pine.BSF.4.58.0709121743070.12146@epsilon.pair.com> <Pine.LNX.4.64.0709131138330.27469@ls1.lmb.internal> <Pine.BSF.4.58.0709130834260.6079@epsilon.pair.com><Pine.LNX.4.64.0709131357550.12486@ls1.lmb.internal>
Hi everyone, Perhaps it is a mistake to mention this in public (the code is neither complete nor perfect) but there is an attempt at parsing mar ccd headers into cif which can be viewed at: http://cbflib.cvs.sourceforge.net/cbflib/CBFlib/pycbf/xmas/ The attempt was to make a cif header file which describes the geometry of the diffractometer at the xmas beamline at ESRF. Might be useful for someone else, although it is doubtful that you are putting motor positions into the comments sections (which do appear in vi). For Justin's project at mar - it is great that you are doing this properly! The many varied and interesting configurations that ccd detectors can be used in mean that you might want to provide a mechanism to allow people to describe the axes on their instrument (eg a cif template file to work out which way up the ccd has been bolted on, and if it is a vertical or horizontal two theta arm today). A slightly unrelated question; does anyone have dictionary entries for: "recommended dark current image to use for corrections" "recommended flat field image to use for corrections" "recommended grid image to use for corrections" Seems the "raw" versus "linear" item in array_intensities tells if the image is corrected. In the case that we are saving raw data and applying corrections later, it would be handy to fill out the information above. For corrected data a "history" which describes the corrections applied would also be useful. There appear to be some interesting issues relating to flat field corrections on fibre optic tapers at the moment? Best, Jon _______________________________________________ imgcif-l mailing list imgcif-l@iucr.org http://scripts.iucr.org/mailman/listinfo/imgcif-l
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- References:
- [Imgcif-l] CBF Format (Justin Anderson)
- Re: [Imgcif-l] CBF Format (Nicholas K. Sauter)
- Re: [Imgcif-l] CBF Format (Harry Powell)
- Re: [Imgcif-l] CBF Format (Herbert J. Bernstein)
- Re: [Imgcif-l] CBF Format (Harry Powell)
- Re: [Imgcif-l] CBF Format (Herbert J. Bernstein)
- Re: [Imgcif-l] CBF Format (Harry Powell)
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