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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

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<title>Text annotations in 3D — Matplotlib 2.0.2.post4416.dev0+g1df513f documentation</title>

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<h1>Text annotations in 3D<a class="headerlink" href="#text-annotations-in-3d" title="Permalink to this headline">¶</a></h1>

Demonstrates the placement of text annotations on a 3D plot.

Functionality shown:

<li>Using the text function with three types of ‘zdir’ values: None, an axis

name (ex. ‘x’), or a direction tuple (ex. (1, 1, 0)).</li>

<li>Using the text function with the color keyword.</li>

<li>Using the text2D function to place text on a fixed position on the ax

object.</li>

</ul>

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<div class="highlight-python"><div class="highlight"><pre>from mpl_toolkits.mplot3d import Axes3D

import matplotlib.pyplot as plt

fig = <a href="../../api/_as_gen/matplotlib.figure.figaspect.html#matplotlib.figure" title="View documentation for matplotlib.pyplot.figure">plt.figure</a>()

ax = fig.gca(projection='3d')

# Demo 1: zdir

zdirs = (None, 'x', 'y', 'z', (1, 1, 0), (1, 1, 1))

xs = (1, 4, 4, 9, 4, 1)

ys = (2, 5, 8, 10, 1, 2)

zs = (10, 3, 8, 9, 1, 8)

for zdir, x, y, z in zip(zdirs, xs, ys, zs):

label = '(%d, %d, %d), dir=%s' % (x, y, z, zdir)

ax.text(x, y, z, label, zdir)

# Demo 2: color

ax.text(9, 0, 0, "red", color='red')

# Demo 3: text2D

# Placement 0, 0 would be the bottom left, 1, 1 would be the top right.

ax.text2D(0.05, 0.95, "2D Text", transform=ax.transAxes)

# Tweaking display region and labels

ax.set_xlim(0, 10)

ax.set_ylim(0, 10)

ax.set_zlim(0, 10)

ax.set_xlabel('X axis')

ax.set_ylabel('Y axis')

ax.set_zlabel('Z axis')

<a href="../../api/_as_gen/matplotlib.pyplot.show.html#matplotlib.pyplot.show" title="View documentation for matplotlib.pyplot.show">plt.show</a>()

</pre></div>

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