Difference between revisions of "Eyesis4Pi 393 User Guide - Recording"

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*[[Eyesis4Pi_393|Eyesis4Pi 393 Main Article]]  
*[[Eyesis4Pi_393|Eyesis4Pi 393 Main Article]]  
*[[Eyesis4Pi workflow|Workflow]]  
*[[Eyesis4Pi workflow|Workflow]]  
*[[Eyesis4Pi User Guide|User Guide - Recording]]  
*[[Eyesis4Pi_393_User_Guide_-_Recording|User Guide - Recording]]  
*[[Eyesis4Pi Footage Procedures page|User Guide - Post-Processing: Footage Procedures]]  
*[[Eyesis4Pi Footage Procedures page|User Guide - Post-Processing: Footage Procedures]]  
*[[Eyesis4pi Post-Processing|User Guide - Post-processing: ImageJ]]  
*[[Eyesis4pi Post-Processing|User Guide - Post-processing: ImageJ]]  

Revision as of 17:25, 17 April 2017

Download & Install

Install GUI to the device that will be used for recording. There are several ways to install it:


cd <any-path>
git clone https://git.elphel.com/Elphel/eyesis4pi-393-gui.git
git pull (repeat any time to get the latest)



Follow the instructions in INSTALL.txt:

1. (For Kubuntu 16.04) Install the following packages, terminal:
 sudo apt-get install apache2 php5.6 php5.6-curl
2. Make the src folder visible to the web server:
2a. Create a link, terminal: "sudo ln -sf <path-to-eyesis4pi_gui-folder> /var/www/eyesisgui"
2b. Or copy all the files to /var/www/eyesisgui.
Note: "/var/www" is the (apache2) web server's document root folder.

(for recording to the device over network only)
2c. Make the footage root folder "/data/footage" writable for everyone.


  • Eyesis4Pi 393
  • External SSD enclosure
  • Switch
  • PC / Laptop

Power On

  • Connect all cables - power, network, eSATA.
  • Power on: switch, SSD enclosure, Eyesis4Pi393. Boot takes about 1 min.
  • Setup PC IP (can be done beforehand).
  • Refresh GUI after camera boots
Note 1: If GUI is refreshed before subcamera has mounted SSD it will not display SSD free space. Refresh in a few moments or until SSD gets mounted.

Important Notice: Use a fan to cool the camera's pole when shooting indoors.

GUI access

Network Setup

IP address: (example)

Note: Eyesis4Pi 393 default IP addresses:



Setting recording parameters: camera settings

  • Settings -> Camera-tab
Trigger period,ms  - 1/FPS, 200 = 5fps, 250 = 4fps, 500 = 2fps, 1000 = 1fps...
HDRVexpos - not used.
Manual Exposure - used when auto exposure is off.
AutoExp max, ms - the autoexposure value limit.
AutoExp level - value of a pixel at which the autoexposure works.
AutoExp fracpix - number of pixels below the Autoexp level.
AutoExp frame ahead - number of previous frames used for calculatin the current frame exposure.
HDR mode - not used
Compression quality - JP4/JPEG compression quality.
  • Settings -> Other-tab
Displays temperatures
Normal REC - record to a file system
Fast REC - record to a raw partition (default mode)
Reset Fast REC - when Fast REC is enabled the system remembers write pointers, reset - sets the write pointer back to the beginning of the raw partiiton
Reboot - system reboot
Eyesis4pi393gui tab camera.png
Eyesis4pi393gui tab other.png


  • Record-button to start recording


  • Stop-button for stop.