update

run.py

@@ -3,7 +3,8 @@ import os
 
 
 def run(show_plots=False):
-    names = [name_ for name_ in os.listdir("./problems") if "tsp" in name_]
+    # names = [name_ for name_ in os.listdir("./problems") if "tsp" in name_]
+    names = ["ch130.tsp"]
     for name in names:
         print("\n\n#############################")
         filename = f"problems/{name}"
@@ -22,4 +23,4 @@ def run(show_plots=False):
 
 
 if __name__ == '__main__':
-    run()
+    run(show_plots=True)

src/TSP_solver.py

@@ -53,6 +53,7 @@ class Solver_TSP:
         plt.title(self.instance.name)
         ordered_points = self.instance.points[self.solution]
         plt.plot(ordered_points[:, 1], ordered_points[:, 2], 'b-')
+        plt.show()
 
     def check_if_solution_is_valid(self, solution):
         rights_values = np.sum([self.check_validation(i, solution[:-1]) for i in np.arange(self.instance.nPoints)])