Hi everyone,
I'm having an issue with the Julia Nix-expression[1]. I am trying to use it
together with the Julia package PyPlot[2] to plot figures with matplotlib. If I
try it in the command-line interface, then no plots show up. I only get a
textual representation of the figure objects. However, when I use
`savefig("tmp.png")` then the plot is correctly saved to the output file. In
the IJulia[3] notebook no inline plots are displayed after calls to `plot`, or
`title`, only the textual object representations. However, if I call `gcf()` to
retrieve the current figure object, then the plot is correctly displayed inline
in the notebook. Within python everything works fine: Plots in the commandline
`ipython --pylab=qt`, as well as in the notebook with `%matplotlib inline` are
displayed as expected. I would like to get Julia to display plots in gui
windows from the command-line, and inline in IJulia notebooks.
Please note, I am not sure if this is an issue with the Julia Nix-expression,
or with the Julia package `PyPlot`. However, before posting an issue on the
PyPlot project I would like to try and make sure that it's not an issue with my
use of Nix. Hence, my question: Is anyone here using Julia as a Nix-package to
create plots with matplotlib through PyPlot in the cli, or in an IJulia
notebook? If so, how did you get it working?
I am running Julia within a nix-shell of the following expression:
{ nixpkgs ? <nixpkgs>
, system ? builtins.currentSystem }:
with (import nixpkgs { inherit system; });
let py = pkgs.pythonPackages; in
stdenv.mkDerivation {
name = "dummy";
src = ./empty;
buildInputs = with py; [
stdenv python readline ipython julia pyqt4 matplotlib
];
}
Best, Andreas
[1]:
https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/compilers/julia/0.3.3.nix
[2]: https://github.com/stevengj/PyPlot.jl
[3]: https://github.com/JuliaLang/IJulia.jl
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