Add gnuplot-based cylinder2d plots

Leads to big files but is of much higher quality than anything
print-ready that I can convince ParaView to generate.

1 files changed, 1 insertions, 0 deletions

diff --git a/shell.nix b/shell.nix
index 1985f45..5e939b2 100644
--- a/shell.nix
+++ b/shell.nix
@@ -21,6 +21,7 @@ stdenv.mkDerivation rec {
     gnumake
     texlive-custom
     python3Packages.pygments
+    gnuplot
   ];
 
   shellHook = ''