Has anyone experience with running ngspice on a mac (M1)? Everything works fine, except that I canno...

Lukas Bongartz

11/15/2023, 6:23 PM

Has anyone experience with running ngspice on a mac (M1)? Everything works fine, except that I cannot get the plotting function to work (homebrew installation). Error message:

Can't open viewport for graphics.

I have XQuartz (2.8.2 ) installed and other plotting tools (e.g., gnuplot) work fine. Seems that ngspice cannot connect to XQuartz somehow. Any help is appreciated!

Stefan Schippers

11/15/2023, 9:10 PM

When building ngspice did you run configure with the

--with-x

option?

Lukas Bongartz

11/15/2023, 9:28 PM

When executing

brew install ngspice --with-x

, I receive

Error: invalid option: --with-x

Stefan Schippers

11/15/2023, 9:46 PM

no the option I mentioned is to be used if you compile ngspice from sources. I see you are installing a compiled package so forget the --with-x

Stefan Schippers

11/16/2023, 1:03 AM

also ensure you run ngspice in interactive mode if the plot is inside a .control / .endc section:

ngspice -i circuit.spice

Harald Pretl

11/16/2023, 8:01 AM

Alternatively, you can run

ngspice

in our Docker natively on Mac M1 (in addition to many more tools, of course): https://github.com/iic-jku/IIC-OSIC-TOOLS

Holger Vogt

12/11/2023, 1:01 PM

Homebrew does compile ngspice with configure flag --without-x, so without graphics interface to X11.

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