From 65f181b5a27efe91bc5a3b8a2a78e39707855510 Mon Sep 17 00:00:00 2001
From: Peter Teuben <teuben@gmail.com>
Date: Thu, 29 Jun 2023 23:18:51 -0400
Subject: [PATCH] simple animation in matplotlib

---
 animate2 | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100755 animate2

diff --git a/animate2 b/animate2
new file mode 100755
index 0000000..1110168
--- /dev/null
+++ b/animate2
@@ -0,0 +1,40 @@
+#! /usr/bin/env python
+
+import numpy as np
+import glob
+import matplotlib.pyplot as plt
+from matplotlib.animation import FuncAnimation
+
+# get the filenames, make sure they are sorted in time
+f = glob.glob('run1/tab/LinWave*tab')
+f.sort()
+
+# 1-based columns numbers for now
+xcol = 3
+ycol = 5
+
+# delay in ms
+delay=100
+
+# create the figure and axes objects
+fig, ax = plt.subplots()
+
+# function that draws each frame of the animation
+def animate(i):
+    # print(f[i])
+    d = np.loadtxt(f[i]).T
+    x = d[xcol-1]
+    y = d[ycol-1]
+    
+    ax.clear()
+    ax.plot(x, y)
+    #ax.set_xlim([0,20])
+    #ax.set_ylim([0,10])
+    ax.set_title(f[i])
+
+
+# run the animation
+ani = FuncAnimation(fig, animate, frames=len(f), interval=delay, repeat=False)
+
+plt.show()
+