Main Detectors

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In the process of editing and updating this page. Please contact Juliette Mammei crowder@jlab.org with questions or suggestions.

PREX Main<< HOW TOs << Expert Tools << Detectors

Motion System

RHRS

Image 1 - RHRS_detector GUI. The readings are not necessarily correct.
  • Log in as pi@rpi1-prex (ask RC or expert for password)
  • cd into Production/RHRS-LHRS-motion-control-GUI/RHRSnewgui/ directory
  • Run ./RHRSnewgui -platform xcb
  • A gui will pop up (Image 1)
  • To stream camera:
    • Click on camera radio button
    • Go to the web browser in the client computer and run http://rpi1-prex:8080/?action=stream
    • When you clicked camera radio button a GUI might have popped up
      • From the GUI choose what angle you want to rotate in PAN direction and TILT direction
      • Once you choose the angle click SET button, otherwise the camera will vibrate

LHRS

Image 2 - LHRS_detector GUI. The readings are not necessarily correct.
  • Log in as pi@rpi4-prex (ask RC or expert for password)
  • cd into Production/RHRS-LHRS-motion-control-GUI/LHRSnewgui/ directory
  • Run ./LHRSnewgui -platform xcb
  • A gui will pop up (Image 2)
  • To stream camera:
    • Click on camera radio button
    • Go to the web browser in the client computer and run http://rpi4-prex:8080/?action=stream
    • When you clicked camera radio button a GUI might have popped up
      • From the GUI choose what angle you want to rotate in PAN direction and TILT direction
      • Once you choose the angle click SET button, otherwise the camera will vibrate