Combining Image Capture with Monitoring

I'd been looking around for an article on the relationship between image capture and more conventional

Hi Tech on Australia's oldest bridge

measurement and instrumentation.

In SCADA systems there have been instances I recall where image capture can be triggered by door movement for security purposes.  The door opens, the person or animal coming in [yes Kangaroos can open doors] triggers an image capture - where the image captured is then uploaded to the central control room.