| DRAFT DICTIONARY CBF/imgCIF Extensions Dictionary | Draft version 1.5 for comment | 
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Definition:
        The increment for each step for the specified axis
               in millimetres.  In general, this will agree with
               _diffrn_scan_frame_axis.displacement_rstrt_incr.
               The sum of the values of
               _diffrn_scan_frame_axis.displacement,
               _diffrn_scan_frame_axis.displacement_increment and
               _diffrn_scan_frame_axis.displacement_rstrt_incr is the
               angular setting of the axis at the start of the integration
               time for the next frame relative to a given frame and
               should equal _diffrn_scan_frame_axis.displacement
               for this next frame.  If the individual frame values
               vary, then the value of
               _diffrn_scan_axis.displacement_rstrt_incr will be
               representative
               of the ensemble of values of
               _diffrn_scan_frame_axis.displacement_rstrt_incr (e.g.
               the mean).
Type: float
Mandatory item: no
Category: diffrn_scan_axis
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