Data Item _diffrn_detector_element.center[1]

General

Item name
_diffrn_detector_element.center[1]
Category name
diffrn_detector_element
Attribute name
center[1]
Required in PDB entries
no
Used in currrent PDB entries
No

Item 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.

Data Type

Data type code
float
Data type detail
float item types are the subset of numbers that are the floating point numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?
Default value
0.0
Units
millimetres

Subcategories

Subcategory Name Subcategory Description
vector The collection of elements of a vector.