[pdDMG] DDLm pdCIF Issue 1: could detector and 2 theta offset be looped together in pd_calib?

[James Hester]

There having been no response to this, I will assume that there is limited
to no demand for a multi-detector+multi-offset capability and leave the
current powCIF draft as is.

James.

On 24 October 2016 at 11:23, James Hester <jamesrhester at gmail.com> wrote:

> In DDL1, items in the pd_calib category can vary by detector ("loops may
> be used for calibration information that differs by detector channel").
> Similarly, 2theta offset values can be looped where the offset varies by
> point.  While this is fine, it is not clear if we wish the pd dictionary to
> cover a situation where both detector and 2 theta offset vary, that is, for
> each detector in a multi-detector setup the 2 theta offset can take
> multiple values for different points collected by that detector.  Has
> anyone encountered such a situation?
>
> If the situation is rare, but conceivable, we can create a separate
> 'extension dictionary' which covers this case, but mainstream software is
> protected from misinterpreting loops (this is a new feature).
>
> James.
>
> --
> T +61 (02) 9717 9907
> F +61 (02) 9717 3145
> M +61 (04) 0249 4148
>



-- 
T +61 (02) 9717 9907
F +61 (02) 9717 3145
M +61 (04) 0249 4148
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