In the ADXV viewer:
http://www.scripps.edu/tainer/arvai/adxv.html
Go to Edit:Settings and click on the "Small Spots" radio button. This
solves most of the "I can't interpret the spots" problems you describe.
-James Holton
MAD Scientist
On 4/27/2015 3:31 PM, Bernhard Rupp (Hofkristallrat a.D.) wrote:
> Hi Fellows,
>
> I wonder whether it's just me and my eyesight failing (or excessive internal
> lubrication)....
>
> It seems that the art of looking at diffraction patterns and being able to
> tell
> a lot about modulation, superstructures, extinctions, etc. becomes kind of
> useless
> old fart stuff when dealing with PAD images. I can’t for my life see
> interpretable patterns on frames where
> the beamline autoprocessing delivers actual data sets. The absence of a
> point spread function
> etc that gave interpretable film-like images on IPs or CCDs, seems to be the
> reason.
>
> A PAD pixel with 1000000 counts looks like one with 100 when viewed with the
> low dynamic range of the displays
> compared to the huge dynamic range of the detector.
>
> Is there somewhere in the process a humanly unusable composite image with a
> point spread that
> allows visual pre-processing, inspection, and interpretation despite a low
> dynamic display range?
>
> Looking at the hklview or similar after processing is pointless (no pun
> intended), because the stuff I might be
> interested in is already processed away.
>
> Some humanly interpretable raw data images would be quite useful...
>
> Best regards, BR
> -----------------------------------------------------------------
> Bernhard Rupp
> 001 (925) 209-7429
> +43 (676) 571-0536
> [log in to unmask]
> http://www.ruppweb.org/
> -----------------------------------------------------------------
> The man who follows the crowd will get
> no further than the crowd.
> The man who walks alone will find himself
> in places where no one has been before.
> -----------------------------------------------------------------
|