Thanks - particularly great if we had these images/option available to look at in real time during data collection, w/o first having to download the raw data (not really feasible during remote data collection). I don't think the ESRF online data base has the option, but other beam lines may?
Thx, BR -----Original Message----- From: James Holton [mailto:[email protected]] Sent: Monday, April 27, 2015 4:05 PM To: [email protected]; [email protected] Subject: Re: [ccp4bb] PAD images 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 > [email protected] > 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. > -----------------------------------------------------------------
