multiple line plots

1 files changed, 40 insertions, 0 deletions

diff --git a/vis/animation/multi_line_plot_ani.py b/vis/animation/multi_line_plot_ani.py
new file mode 100644
index 0000000..35b53c6
--- /dev/null
+++ b/vis/animation/multi_line_plot_ani.py
@@ -0,0 +1,40 @@
+import numpy as np
+import matplotlib.pyplot as plt
+from matplotlib.animation import FuncAnimation
+
+fig, axes = plt.subplots(1, 2)
+
+xdata, ydata1, ydata2 = [], [], []
+
+ln1, = axes[0].plot([], [], 'ro')
+ln2, = axes[1].plot([], [], 'go')
+
+
+def init():
+    # print('init')
+    axes[0].set_xlim(0, 2*np.pi)
+    axes[0].set_ylim(-1, 1)
+    axes[1].set_xlim(0, 2*np.pi)
+    axes[1].set_ylim(-1, 1)
+    return ln1, ln2,
+
+
+def animate(i):
+    # print('animate', i)
+    xdata.append(i)
+    ydata1.append(np.sin(i))
+    ln1.set_data(xdata, ydata1)
+
+    ydata2.append(np.cos(i))
+    ln2.set_data(xdata, ydata2)
+    return ln1, ln2,
+
+
+ani = FuncAnimation(fig,
+                    animate,
+                    frames=np.linspace(0, 2*np.pi, 128),
+                    init_func=init,
+                    blit=True
+                    )
+plt.show()
+