On Wed, Feb 27, 2013 at 1:49 AM, Rita <rmorgan...@gmail.com> wrote:
> Hi,
>
> I am currently plotting cpu utilization over time (plot_time). I would
> like the color of my line to be red when at 100%. 80-90% a bit less red,
> more yellow, and lower numbers will be green. Any thoughts of doing this?
>
A few years ago, Gökhan Sever posted this technique, which is the simplest
and best I've seen:
##
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.linspace(0, 3 * np.pi, 5000)
y = np.sin(x)
z = np.cos(0.5 * (x[:-1] + x[1:])) # 1st derivative
cmap_z = cm.coolwarm(z)
fig, ax1 = plt.subplots(nrows=1, ncols=1)
ax1.scatter(x, y, c=cmap_z, marker='_', s=5)
fig.show()
##
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