From 46445b2cdd4d6090491acfa04925d3ed61b5c7c9 Mon Sep 17 00:00:00 2001
From: Niklas Wahl <niklaswahl2011@gmail.com>
Date: Fri, 3 Feb 2023 01:15:32 +0100
Subject: [PATCH] option to disable function plot in optimization

---
 optimization/optimizer/matRad_OptimizerIPOPT.m | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/optimization/optimizer/matRad_OptimizerIPOPT.m b/optimization/optimizer/matRad_OptimizerIPOPT.m
index 8f493d77c..8c0827e05 100644
--- a/optimization/optimizer/matRad_OptimizerIPOPT.m
+++ b/optimization/optimizer/matRad_OptimizerIPOPT.m
@@ -22,6 +22,9 @@
         wResult
         resultInfo
         env
+
+        %Visualization
+        showPlot = true;
     end
     
     properties (Access = private)
@@ -107,6 +110,10 @@
                 matRad_cfg.dispError('IPOPT mex interface not available for %s!',obj.env);
             end
 
+            if matRad_cfg.disableGUI || (matRad_cfg.isOctave && isequal(graphics_toolkit(),'gnuplot'))
+                obj.showPlot = false;
+            end
+
         end
         
         function obj = optimize(obj,w0,optiProb,dij,cst)
@@ -244,7 +251,7 @@
             obj.allObjectiveFunctionValues(iter + 1) = objective;
             %We don't want the optimization to crash because of drawing
             %errors
-            if ~obj.plotFailed
+            if obj.showPlot && ~obj.plotFailed
                 try            
                     obj.plotFunction();
                 catch ME