Polar Plot python from Cees Bassa in matrix

polar-plot.py

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+#!/usr/bin/env python3
+#
+# polar_plot.py
+#
+# Copyright (C) 2023, Cees Bassa
+# GPLv3+
+
+import numpy as np
+import matplotlib.pyplot as plt
+
+if __name__ == "__main__":
+    fig = plt.figure(figsize=(8, 8))
+    ax = fig.add_subplot(111, projection="polar")
+
+    ax.set_theta_offset(np.pi / 2.0)
+    ax.set_rticks([90, 60, 30, 0])
+    ax.set_rgrids([90, 60, 30, 0], ["", "30$^\circ$", "60$^\circ$", ""], angle=22.5)
+    ax.grid(True)
+    ax.bar(0, 90).remove()
+    ax.set_rmax(90.0)
+    ax.set_ylim(0.0, 90.0)
+
+    plt.show()
+