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IRSIM

Known Issue. No output on analyser (see screenshot1.png)

If you struck against a no output on analyser, this is because the background is
being drawn white, and the traces are drawn white, so the result is white-on-white,
and invisible! The display was being redrawn.

The Tcl/Tk version was hacked on top of the X11 version, and some things aren't
properly configured for Tcl/Tk.  In Magic and XCircuit, the X defaults has been
moved to Tcl, where they are read from a Tcl script.  In IRSIM, the properties
are still controlled by X11 and the X11 resource manager.

The white-on-white probably comes from a default .Xdefaults or possibly
.Xresources setting "*background: white" which makes all backgrounds white by
default.

You can avoid this by adding to your home .Xdefaults file:

    irsim.background:  black

and then reloading with "xrdb -load .Xdefaults".
(see screenshot2.png)

Meanwhile, upstream is working to find a fix.

Chitlesh Goorah
chitlesh [AT] fedoraproject DOT org