This Python tool allows you to draw signal-flow graphs, calculate transfer functions (SymPy code is generated for further use in Jupyter notebooks), do graph manipulations (e.g., node elimination and graph transposition), and save a graph as TikZ for use in LaTeX documentation.
Fixes #6
The grid disappears because the key release event is not called when another window gets active. The problem is fixed by manually calling the release function when the MainWindow gets inactive.
Fixes #6 The grid disappears because the key release event is not called when another window gets active. The problem is fixed by manually calling the release function when the MainWindow gets inactive.