Re: Getting a time series of some NDPluginStats

[Mark Rivers via Tech-talk <tech-talk at aps.anl.gov>]

> On that related note, I also have a separate datum that I want to put into a time series.  At present I write that value out on its own NDArray Address.  Do I then use that address in the NDTimeSeriesConfigure line later?

Yes, that is correct.  You can actually put more than 1 datum in an array, which is what NDPluginStats does.  This is documented here:

https://areadetector.github.io/master/ADCore/NDPluginTimeSeries.html

There are other example drivers that use NDPluginTimeSeries in ADCSimDetector (https://github.com/areaDetector/ADCsimdetector) and in quadEM (https://github.com/epics-modules/quadEM)

Mark

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From: Iain Marcuson <iain.marcuson at sydortechnologies.com>
Sent: Thursday, September 8, 2022 8:58 AM
To: Mark Rivers <rivers at cars.uchicago.edu>; tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: RE: Getting a time series of some NDPluginStats

 

It looks like that would solve the problem.  Part of my reason for asking is that I am trying to get a better sense of how the various areaDetector plugins work and fit together.

 

On that related note, I also have a separate datum that I want to put into a time series.  At present I write that value out on its own NDArray Address.  Do I then use that address in the NDTimeSeriesConfigure line later?

 

From: Mark Rivers <rivers at cars.uchicago.edu>
Sent: Thursday, September 08, 2022 9:26 AM
To: tech-talk at aps.anl.gov; Iain Marcuson <iain.marcuson at sydortechnologies.com>
Subject: Re: Getting a time series of some NDPluginStats

 

Hi Iain,

 

> I would like to be able to do the time series of the X and Y centroids. 

 

The time series of the X and Y centroids is easy.  This is a screen shot of the NDPluginStats screen.

 

 

In the Centroid section there is a menu labeled "Time series plots".  Simply select "Centroid X" and you will see a plot like this:

 

 

Maybe I am not understanding the question?

 

Mark

 

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From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Iain Marcuson via Tech-talk <tech-talk at aps.anl.gov>
Sent: Thursday, September 8, 2022 7:26 AM
To: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: Getting a time series of some NDPluginStats

 

For a project, I successfully have NDPluginStats computing the profile and centroid of an image.  I would like to be able to do the time series of the X and Y centroids.  I have been looking at the synApps QuadEM as a starting point, and it seems that in QuadEM the positions are output on specific NDArray Addresses, while that is not the case with NDPluginStats.  Is there some way to select only the centroids of the NDPluginStats to put into a time series?

 

Iain Marcuson

Software Engineer, Sydor Technologies

585.278.1168 | www.SydorTechnologies.com

Skype: iain.marcuson at sydorinstruments.com

 

 

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