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A library that is intended for designing high-quality industrial control widgets for Ada applications. The widgets are composed of transparent layers drawn by cairo. The widgets are fully scalable graphics. A time controlled refresh policy is supported for real-time and heavy-duty applications. The library supports caching graphical operations and stream I/O for serialization and deserialization. Ready-to-use gauge, meter, oscilloscope widgets are provided as samples as well as an editor widget for WYSIWYG design of complex dashboards. The software is based on GtkAda and cairoada, the Ada bindings to GTK+ and cairo.

The library provides an implementation of dimensioned values for Ada. Unit checks are made at run-time, if not optimized out by the compiler. SI and irregular measurement units are supported. Shifted units like degrees Celsius are supported too. Conversions from and back to strings are provided for all various irregular units. An extensive set of GTK widgets for dealing with dimensioned values is included, though use of GTK is not mandatory for the rest of the library.

...Automatic differentiation means the user does not need to define the analytic expressions for all the various partial derivatives. It also means that those complex expressions are essentially calculated at compile time, and merely evaluated at runtime. First order derivatives only, forward accumulation. Choose "files" and either the "initial_submission" directory for the Ada version, or the other directory "cpp_AD" for the C++ version.

...Currently it runs on a Linux based PC (used for concept and unit testing), a PowerPC prototype board with various I/O connectors (used for integration testing) and an Advanced Traffic Controller. SCOPE has the ability to simulate 64 traffic sensors and 8 pedestrian calls. It has several menu options to facilitate real time logging and debugging. SCOPE is easily ported to any platform and has wireless Android Tablet / Java PC interfaces.

A GPL (with same special exception as the GNAT run-time) package hierarchy for the I/O of Image Data (PPM, TIFF, others...) as well as packages for manipulation of that data. There is no intension of producing packages in the main library for displayi