The green check mark on the time series plot, which is supposed to let you edit the axes parameters, does nothing. It works fine for the scatter plots.
Recent changes to src\Externals\swmm\outputapi\SMOutputSWIG.py allow testing of the time series plots, which now work as designed, including the editing of axis parameters, line colors, labels, etc.
The green check mark on the time series plot, which is supposed to let you edit the axes parameters, does nothing. It works fine for the scatter plots.