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Re: [Imgcif-l] Where are _diffrn_detector_element.center[1],[2]?
- To: James Hester <james.r.hester@gmail.com>, The Crystallographic Binary File and its imgCIF application to image data<imgcif-l@iucr.org>
- Subject: Re: [Imgcif-l] Where are _diffrn_detector_element.center[1],[2]?
- From: "Herbert J. Bernstein via imgcif-l" <imgcif-l@iucr.org>
- Date: Mon, 15 Nov 2021 06:44:50 -0500
- Cc: "Herbert J. Bernstein" <yayahjb@gmail.com>
- In-Reply-To: <CAM+dB2f4y1Jwy2HLVS-ma13D=SScP9Jwk0+0oXEfs=zQwuSHEQ@mail.gmail.com>
- References: <CAM+dB2f4y1Jwy2HLVS-ma13D=SScP9Jwk0+0oXEfs=zQwuSHEQ@mail.gmail.com>
They were deprecated in cif_img_1.6, so they are in the deprecated section of the dictionary (near the bottom). Do you need them back for some reason? -- Herbert save__diffrn_detector_element.center[1] _item_description.description ; The value of _diffrn_detector_element.center[1] is the *X* component of the distortion-corrected beam centre in millimetres from the (0, 0) (lower-left) corner of the detector element viewed from the sample side. The *X* and *Y* axes are the laboratory coordinate system coordinates defined in the AXIS category measured when all positioning axes for the detector are at their zero settings. If the resulting *X* or *Y* axis is then orthogonal to the detector, the *Z* axis is used instead of the orthogonal axis. Because of ambiguity about the setting used to determine this centre, use of this data item is deprecated. The data item _diffrn_data_frame.center_fast which is referenced to the detector coordinate system and not directly to the laboratory coordinate system should be used instead. ; _item.name '_diffrn_detector_element.center[1]' _item.category_id diffrn_detector_element _item.mandatory_code no _item_default.value 0.0 _item_sub_category.id vector _item_type.code float _item_related.related_name '_diffrn_data_frame.center_fast' _item_related.function_code replacedby _item_units.code millimetres save_ save__diffrn_detector_element.center[2] _item_description.description ; The value of _diffrn_detector_element.center[2] is the *Y* component of the distortion-corrected beam centre in millimetres from the (0, 0) (lower-left) corner of the detector element viewed from the sample side. The *X* and *Y* axes are the laboratory coordinate system coordinates defined in the AXIS category measured when all positioning axes for the detector are at their zero settings. If the resulting *X* or *Y* axis is then orthogonal to the detector, the *Z* axis is used instead of the orthogonal axis. Because of ambiguity about the setting used to determine this centre, use of this data item is deprecated. The data item _diffrn_data_frame.center_slow which is referenced to the detector coordinate system and not directly to the laboratory coordinate system should be used instead. ; _item.name '_diffrn_detector_element.center[2]' _item.category_id diffrn_detector_element _item.mandatory_code no _item_default.value 0.0 _item_sub_category.id vector _item_type.code float _item_related.related_name '_diffrn_data_frame.center_slow' _item_related.function_code replacedby _item_units.code millimetres save_ On Mon, Nov 15, 2021 at 12:48 AM James H via imgcif-l <imgcif-l@iucr.org> wrote: > Hi all, > > I noticed that _diffrn_detector_element.centre[1],[2] are missing from > imgCIF version 1.8.4 ( > > http://www.bernstein-plus-sons.com/software/CBF/doc/cif_img_1.8.4.html#diffrn_ detector_element > ). > Is this an oversight or have they morphed into the > _diffrn_detector_element.reference_center_* elements? > > thanks, > James. > -- > T +61 (02) 9717 9907 > F +61> M +61 (04) 0249 4148 > _______________________________________________ > imgcif-l mailing list > imgcif-l@iucr.org > http://mailman.iucr.org/cgi-bin/mailman/listinfo/imgcif-l > _______________________________________________ imgcif-l mailing list imgcif-l@iucr.org http://mailman.iucr.org/cgi-bin/mailman/listinfo/imgcif-l
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