chore: import upstream snapshot with attribution

2026-07-13 13:35:51 +08:00
commit c36a561cd8
2172 changed files with 455595 additions and 0 deletions
@@ -0,0 +1,30 @@
+import os
+
+import cv2 as cv
+import matplotlib
+import matplotlib.animation as manimation
+import matplotlib.pyplot as plt
+import numpy as np
+
+matplotlib.use("agg")
+
+# Make video can be used to visualize test data
+
+
+def make_video(xy, filename):
+    os.system("rm -rf pics/*")
+    FFMpegWriter = manimation.writers["ffmpeg"]
+    metadata = dict(
+        title="Movie Test", artist="Matplotlib", comment="Movie support!"
+    )
+    writer = FFMpegWriter(fps=15, metadata=metadata)
+    fig = plt.figure()
+    plt.xlim(-200, 200)
+    plt.ylim(-200, 200)
+    fig_num = len(xy)
+    color = ["ro", "bo", "go", "ko", "yo", "mo", "co"]
+    with writer.saving(fig, filename, len(xy)):
+        for i in range(len(xy)):
+            for j in range(len(xy[0])):
+                plt.plot(xy[i, j, 1], xy[i, j, 0], color[j % len(color)])
+            writer.grab_frame()