Add main.py to run example code

main.py

@@ -0,0 +1,57 @@
+#!/usr/bin/python3
+"""The main module is the entry point of the computational-geometry-visu application."""
+
+from tkinter import *
+import linesegment
+import point
+import algorithm
+
+def update_algorithm():
+    if SWEEP.is_running():
+        SWEEP.step()
+        SWEEP.draw(w, canvas_width, canvas_height, 150, 70)
+        master.after(300, update_algorithm)
+        # if SWEEP.get_section() == "sweep-left-to-right" or \
+        #    SWEEP.get_section() == "sweep-right-to-left":
+        #     master.after(1, update_algorithm)
+        # else:
+        #     master.after(1000, update_algorithm)
+        #     SWEEP.draw(w, canvas_width, canvas_height, 150, 70)
+    else:
+        print("Finished")
+        SWEEP.draw(w, canvas_width, canvas_height, 150, 70)
+
+
+POINT_SET = []
+
+for _ in range(40):
+    POINT_SET.append(point.get_random(0, 150, 0, 70))
+    # POINT_SET.append(linesegment.get_random(0, 100, 0, 100))
+
+
+master = Tk()
+
+canvas_width = 1500
+canvas_height = 700
+w = Canvas(master,
+           width=canvas_width,
+           height=canvas_height)
+w.pack()
+SWEEP = algorithm.ConvexHullIncremental(POINT_SET)
+# SWEEP = algorithm.NearestNeighborsSweep(POINT_SET)
+SWEEP.start()
+SWEEP.draw(w, canvas_width, canvas_height, 150, 70)
+
+master.after(10, update_algorithm)
+
+mainloop()
+
+# print("POINT_SET = [")
+# for pnt in POINT_SET:
+#     print(pnt.str() + ",")
+# print("]")
+
+
+# RESULT = SWEEP.run()
+
+# SWEEP.get_result_string(True)