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import numpy as np
import matplotlib.pyplot as plt
from matplotlib.testing.decorators import image_comparison
from matplotlib.transforms import IdentityTransform
from mpl_toolkits.axisartist.axislines import AxesZero, SubplotZero, Subplot
from mpl_toolkits.axisartist import Axes, SubplotHost
@image_comparison(['SubplotZero.png'], style='default')
def test_SubplotZero():
# Remove this line when this test image is regenerated.
plt.rcParams['text.kerning_factor'] = 6
fig = plt.figure()
ax = SubplotZero(fig, 1, 1, 1)
fig.add_subplot(ax)
ax.axis["xzero"].set_visible(True)
ax.axis["xzero"].label.set_text("Axis Zero")
for n in ["top", "right"]:
ax.axis[n].set_visible(False)
xx = np.arange(0, 2 * np.pi, 0.01)
ax.plot(xx, np.sin(xx))
ax.set_ylabel("Test")
@image_comparison(['Subplot.png'], style='default')
def test_Subplot():
# Remove this line when this test image is regenerated.
plt.rcParams['text.kerning_factor'] = 6
fig = plt.figure()
ax = Subplot(fig, 1, 1, 1)
fig.add_subplot(ax)
xx = np.arange(0, 2 * np.pi, 0.01)
ax.plot(xx, np.sin(xx))
ax.set_ylabel("Test")
ax.axis["top"].major_ticks.set_tick_out(True)
ax.axis["bottom"].major_ticks.set_tick_out(True)
ax.axis["bottom"].set_label("Tk0")
def test_Axes():
fig = plt.figure()
ax = Axes(fig, [0.15, 0.1, 0.65, 0.8])
fig.add_axes(ax)
ax.plot([1, 2, 3], [0, 1, 2])
ax.set_xscale('log')
fig.canvas.draw()
@image_comparison(['ParasiteAxesAuxTrans_meshplot.png'],
remove_text=True, style='default', tol=0.075)
def test_ParasiteAxesAuxTrans():
data = np.ones((6, 6))
data[2, 2] = 2
data[0, :] = 0
data[-2, :] = 0
data[:, 0] = 0
data[:, -2] = 0
x = np.arange(6)
y = np.arange(6)
xx, yy = np.meshgrid(x, y)
funcnames = ['pcolor', 'pcolormesh', 'contourf']
fig = plt.figure()
for i, name in enumerate(funcnames):
ax1 = SubplotHost(fig, 1, 3, i+1)
fig.add_subplot(ax1)
ax2 = ax1.get_aux_axes(IdentityTransform(), viewlim_mode=None)
if name.startswith('pcolor'):
getattr(ax2, name)(xx, yy, data[:-1, :-1])
else:
getattr(ax2, name)(xx, yy, data)
ax1.set_xlim((0, 5))
ax1.set_ylim((0, 5))
ax2.contour(xx, yy, data, colors='k')
@image_comparison(['axisline_style.png'], remove_text=True, style='mpl20')
def test_axisline_style():
fig = plt.figure(figsize=(2, 2))
ax = fig.add_subplot(axes_class=AxesZero)
ax.axis["xzero"].set_axisline_style("-|>")
ax.axis["xzero"].set_visible(True)
ax.axis["yzero"].set_axisline_style("->")
ax.axis["yzero"].set_visible(True)
for direction in ("left", "right", "bottom", "top"):
ax.axis[direction].set_visible(False)
@image_comparison(['axisline_style_size_color.png'], remove_text=True,
style='mpl20')
def test_axisline_style_size_color():
fig = plt.figure(figsize=(2, 2))
ax = fig.add_subplot(axes_class=AxesZero)
ax.axis["xzero"].set_axisline_style("-|>", size=2.0, facecolor='r')
ax.axis["xzero"].set_visible(True)
ax.axis["yzero"].set_axisline_style("->, size=1.5")
ax.axis["yzero"].set_visible(True)
for direction in ("left", "right", "bottom", "top"):
ax.axis[direction].set_visible(False)
@image_comparison(['axisline_style_tight.png'], remove_text=True,
style='mpl20')
def test_axisline_style_tight():
fig = plt.figure(figsize=(2, 2))
ax = fig.add_subplot(axes_class=AxesZero)
ax.axis["xzero"].set_axisline_style("-|>", size=5, facecolor='g')
ax.axis["xzero"].set_visible(True)
ax.axis["yzero"].set_axisline_style("->, size=8")
ax.axis["yzero"].set_visible(True)
for direction in ("left", "right", "bottom", "top"):
ax.axis[direction].set_visible(False)
fig.tight_layout()
@image_comparison(['subplotzero_ylabel.png'], style='mpl20')
def test_subplotzero_ylabel():
fig = plt.figure()
ax = fig.add_subplot(111, axes_class=SubplotZero)
ax.set(xlim=(-3, 7), ylim=(-3, 7), xlabel="x", ylabel="y")
zero_axis = ax.axis["xzero", "yzero"]
zero_axis.set_visible(True) # they are hidden by default
ax.axis["left", "right", "bottom", "top"].set_visible(False)
zero_axis.set_axisline_style("->")
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