Project portfolio : Optical counting

An interesting combination of both a Machine Vision application and migration of a legacy application, WyeTec were commissioned to do a "faithful" translation of software originally coded using Borland C++ Builder 6 to a modern .Net / C# application.

Future-proofing legacy applications:

The project remit was to keep as close as possible to the original capture and analysis routines, though it was understood that some changes would be required as certain legacy components could no longer be supported. Some further changes were identified as desirable to help future-proof the application and ensure good programming practice.

Windows Presentation Foundation (WPF) was chosen as a development platform to provide a rich user interface, targeted at touchscreen devices running Windows IoT (effectively Windows 10 embedded).

Embracing new technologies:

The original application used manufacturer-specific libraries to capture image data from a cameralink line-scan camera that was approaching end of life. The routines were replaced with manufacturer-agnostic code that would support any suitable gigE Vision compliant camera, with hooks put in place to allow for expansion of the capture and analysis routines in the future.

The work included moving system parameters that had been hard-coded to settings in an SQL database, improvements to system responsiveness and significant improvements to the range of samples that could be handled by the machine.

Phase 2 of the project has seen development of new analysis methods and additions to the range of supported hardware, significantly expanding the range of materials that can be handled by the machine.

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