.. _mplot3d-lines3d_demo: mplot3d example code: lines3d_demo.py ===================================== .. plot:: /home/tcaswell/other_source/matplotlib/doc/mpl_examples/mplot3d/lines3d_demo.py :: 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 = fig.gca(projection='3d') 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() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)