File: lines3d_demo.py

package info (click to toggle)
matplotlib 0.99.3-1
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 33,060 kB
  • ctags: 28,162
  • sloc: python: 79,063; cpp: 64,496; objc: 4,513; ansic: 1,948; makefile: 146; sh: 7
file content (19 lines) | stat: -rw-r--r-- 392 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
import matplotlib as mpl
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
import matplotlib.pyplot as plt

mpl.rcParams['legend.fontsize'] = 10

fig = plt.figure()
ax = Axes3D(fig)
theta = np.linspace(-4 * np.pi, 4 * np.pi, 100)
z = np.linspace(-2, 2, 100)
r = z**2 + 1
x = r * np.sin(theta)
y = r * np.cos(theta)
ax.plot(x, y, z, label='parametric curve')
ax.legend()

plt.show()