Python-визуализация сетки

visual_mesh.py

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+import matplotlib.pyplot as plt
+
+x_coords = []
+y_coords = []
+
+try:
+    filename = input("Input name: ")
+    with open(f'{filename}', 'r') as file:
+        lines = file.readlines()
+
+    for line in lines[2:]:
+        if line.strip():
+            x, y = map(float, line.strip().split())
+            x_coords.append(x)
+            y_coords.append(y)
+
+    plt.figure(figsize=(10, 6))
+    plt.scatter(x_coords, y_coords, s=10, c='blue', alpha=0.5)
+    plt.xlabel('X')
+    plt.ylabel('Y')
+    plt.grid(True)
+    plt.axis('equal')
+    plt.savefig(f"{filename[:-4]}.png")
+    plt.show()
+except FileNotFoundError:
+    print(f"{filename} not found. ABORT!")