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<== Date ==> <== Thread ==>

Subject: RE: Getting images from area detector plugins
From: Mark Rivers via Tech-talk <[email protected]>
To: 'Randall Cayford' <[email protected]>
Cc: "[email protected]" <[email protected]>
Date: Fri, 24 Jan 2020 20:26:12 +0000

Ø  That’s where I’m lost.  I think you are saying that there is a channel access PV that contains the JPEG bytes.  

Ø  If so, which PV is it?  I’m not sure what waveform record I’m looking for.

 

It will be $(P)$(R)ArrayData, where $(P) is the prefix for that detector and $(R) is the prefix for the NDPluginStdArrays plugin.

 

For example with the standard setup of the areaDetector ADSimDetector this command reads the first 100 bytes from the NDPluginStdArrays plugin waveform record.

 

corvette:ADSimDetector/simDetectorApp/op>caget -#100 13SIM1:image1:ArrayData

13SIM1:image1:ArrayData 100 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 -128 -127 -126 -125 -124 -123 -122 -121 -120 -119 -118 -117 -116 -115 -114 -113 -112 -111 -110 -109 -108 -107 -106 -105 -104 -103 -102 -101 -100 -99 -98 -97 -96 -95 -94 -93 -92 -91 -90 -89 -88 -87 -86 -85 -84 -83 -82 -81 -80 -79 -78 -77 -76 -75 -74 -73 -72 -71 -70 -69 -68 -67 -66 -65 -64 -63 -62 -61 -60 -59 -58 -57 -56 -55 -54 -53 -52 -51 -50 -49 -48 -47

 

This does not currently handle compressed data, but I will make changes today so that it will.

 

Mark

 

 

 

From: Randall Cayford <[email protected]>
Sent: Friday, January 24, 2020 2:03 PM
To: Mark Rivers <[email protected]>
Cc: Wang Xiaoqiang <[email protected]>; [email protected]
Subject: Re: Getting images from area detector plugins

 

Hi,



On Jan 24, 2020, at 11:49 AM, Mark Rivers <[email protected]> wrote:

 

With Channel Access the waveform record will contain just the JPEG bytes, as will the “value” member of the NTNDArray structure.

 

 

That’s where I’m lost.  I think you are saying that there is a channel access PV that contains the JPEG bytes.  If so, which PV is it?  I’m not sure what waveform record I’m looking for.

 

Thanks.

 

Randall

 


References:
CAS-client thread issues in areaDetector IOC Wlodek, Jakub via Tech-talk
RE: CAS-client thread issues in areaDetector IOC Mark Rivers via Tech-talk
Re: CAS-client thread issues in areaDetector IOC Wlodek, Jakub via Tech-talk
Re: CAS-client thread issues in areaDetector IOC Michael Davidsaver via Tech-talk
Getting images from area detector plugins Randall Cayford via Tech-talk
RE: Getting images from area detector plugins Mark Rivers via Tech-talk
Re: Getting images from area detector plugins Wang Xiaoqiang via Tech-talk
Re: Getting images from area detector plugins Mark Rivers via Tech-talk
Re: Getting images from area detector plugins Randall Cayford via Tech-talk
RE: Getting images from area detector plugins Mark Rivers via Tech-talk
Re: Getting images from area detector plugins Randall Cayford via Tech-talk

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