Ascent is an easy-to-use flyweight in situ visualization and analysis library for HPC simulations. It supports: * Supports: Making Pictures, Transforming Data, and Capturing Data for use outside of Ascent * Young effort, yet already includes most common visualization operations * Provides a simple infrastructure to integrate custom analysis * Provides C++, C, Python, and Fortran APIs WWW: https://ascent.readthedocs.io/en/latest/