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# Copyright Crown and Cartopy Contributors
#
# This file is part of Cartopy and is released under the BSD 3-clause license.
# See LICENSE in the root of the repository for full licensing details.
from io import BytesIO
import matplotlib.pyplot as plt
import numpy as np
import cartopy.crs as ccrs
def test_empty_plot():
"""Test making a plot with empty arrays."""
fig = plt.figure()
ax = plt.axes(projection=ccrs.Mercator())
ax.plot([], [], transform=ccrs.PlateCarree())
fig.savefig(BytesIO())
def test_triplot_bbox_tight():
"""Test triplot with a tight bbox (#1060)."""
x = np.degrees([-0.101, -0.090, -0.069])
y = np.degrees([0.872, 0.883, 0.888])
triangles = np.asarray([[0, 1, 2]])
fig = plt.figure()
ax = plt.axes(projection=ccrs.OSGB(approx=False))
ax.triplot(x, y, triangles, transform=ccrs.Geodetic())
fig.savefig(BytesIO(), bbox_inches='tight')
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