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Top Forums Programming Python Screen Capture of RIGOL 1054Z on macOS Catalina Using NI-VISA Post 303043102 by Neo on Saturday 18th of January 2020 06:23:03 AM
Old 01-18-2020
Bench Test Kit also works to grab RIGOL screens (over the LAN only):

Code:
https://github.com/philcrump/bench-test-kit

Code:
(bench-test-kit) bash-3.2$ ./ds1054-capture bmp 192.168.2.50
Found Instrument ID: RIGOL TECHNOLOGIES,DS1104Z,DS1ZA244612446,00.04.04.SP4
Receiving screen capture...
Saved screenshot to /Users/Tim/Desktop/rigol/bench-test-kit/DS1104Z_2020-01-18_18:15:10.bmp (376.1KB)

More pretty noise, this time using channel 2:

Python Screen Capture of RIGOL 1054Z on macOS Catalina Using NI-VISA-ds1104z_2020-01-18_18-12-04jpg


This pretty much wraps up Python Screen Capture of RIGOL 1054Z on macOS Catalina Using NI-VISA.

Hope at least one RIGOL user finds this helpful.


Python Screen Capture of RIGOL 1054Z on macOS Catalina Using NI-VISA-noise_blue51jpg


Final capture at the standard 800px width (versus the 1024px width I have created by enlarging 800px to 1024px width). JPG capture.

Note, the best way to get JPG capture to work on this RIGOL is to specify the JPG file type in the LXI command; but name the file with the .jpeg extension. This works best, consistently, for JPGs for some reason yet explained. But, if you don't want this confusion, go with BMP images, which are consistently better, with the BPM24 option, and file extension .bmp.

Python Screen Capture of RIGOL 1054Z on macOS Catalina Using NI-VISA-testneo61jpg
 

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SCREENCAPTURE(1)					    BSD General Commands Manual 					  SCREENCAPTURE(1)

NAME
screencapture -- capture images from the screen and save them to a file or the clipboard SYNOPSIS
screencapture [-SWCTMPcimswxto] file DESCRIPTION
The screencapture utility is not very well documented to date. A list of options follows. -c Force screen capture to go to the clipboard. -C Capture the cursor as well as the screen. Only allowed in non-interactive modes. -i Capture screen interactively, by selection or window. The control key will cause the screen shot to go to the clipboard. The space key will toggle between mouse selection and window selection modes. The escape key will cancel the interactive screen shot. -m Only capture the main monitor, undefined if -i is set. -M Open the taken picture in a new Mail message. -o In window capture mode, do not capture the shadow of the window. -P Open the taken picture in a Preview window. -s Only allow mouse selection mode. -S In window capture mode, capture the screen instead of the window. -t <format> Image format to create, default is png (other options include pdf, jpg, tiff and other formats). -T <seconds> Take the picture after a delay of <seconds>, default is 5. -w Only allow window selection mode. -W Start interaction in window selection mode. -x Do not play sounds. -a Do not capture attached windows. -r Do not add screen dpi meta data to captured file. files where to save the screen capture, 1 file per screen BUGS
Better documentation is needed for this utility. SECURITY CONSIDERATIONS
To capture screen content while logged in via ssh, you must launch screencapture in the same mach bootstrap hierarchy as loginwindow: PID=pid of loginwindow sudo launchctl bsexec $PID screencapture [options] HISTORY
A screencapture utility first appeared in Mac OS X v10.2. Mac OS June 16, 2004 Mac OS
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