A python script for capturing screenshots from a USB webcam.

• Flexible number of USB webcams
• Overlays Campaign ID and Timestamp info
• No on-site configuration required
• Can be run by Windows Task Scheduler

• Github @liam.heff
• Mail liam.heffernan

• Reads webcam.config from C:\Lidar\Settings
• Creates output folder
• Searches campaign_path and reads the most recent file and extracts key_word
• Captures image from webcams in sequential order
• Overlays key_word and Timestamp info onto image
• Writes execution log to output folder

Create an environment with Python 3.9, OpenCV, Pyinstaller & Pyinstaller_versionfile.
Copy webcam.config file to C:\Lidar\Settings folder.
Run the following commands.

  (base) conda env create -n webcam python=3.9
  (base) conda activate webcam
  (webcam) conda install -c conda-forge opencv pyinstaller
  (webcam) pip install pyinstaller_versionfile
  (webcam) cd `...\webcam_capture\webcam`
  (webcam) python main.py

Example of expected log outputs showing successful and error outputs.

2022-10-26 14:05:06.587 Cam 1 image saved
2022-10-26 14:05:12.285 Cam 2 image saved
2022-10-26 14:05:20.805 Cam 1 image saved
2022-10-26 14:05:20.807 Cam 2 not detected

Update relevant details in the version_file_builder.py and execute to make the version.txt file required for the pyinstaller .exe build.

(base) conda activate webcam
(webcam) cd `...\webcam_capture\webcam`
(webcam) pyinstaller main.spec

• Copy webcam.config file to C:\Lidar\Settings folder
• Copy webcam_capture.exe to C:\Lidar\Software folder
• Create task in Windows Task Scheduler to run at desired frequency
• Create GoodSync task to sync output_folder to data server on a daily basis

• Build live image capture