/usr/lib/python2.7/dist-packages/cartopy/tests/mpl/test_axes.py is in python-cartopy 0.14.2+dfsg1-2build3.
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#
# This file is part of cartopy.
#
# cartopy is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cartopy is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with cartopy. If not, see <https://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
import unittest
from matplotlib.testing.decorators import cleanup
import matplotlib.path as mpath
import matplotlib.pyplot as plt
from nose.tools import assert_equal
import numpy as np
import cartopy.crs as ccrs
from cartopy.mpl.geoaxes import InterProjectionTransform
from .test_caching import CallCounter
class TestNoSpherical(unittest.TestCase):
def setUp(self):
self.ax = plt.axes(projection=ccrs.PlateCarree())
self.data = np.arange(12).reshape((3, 4))
def tearDown(self):
plt.clf()
plt.close()
def test_contour(self):
with self.assertRaises(ValueError):
self.ax.contour(self.data, transform=ccrs.Geodetic())
def test_contourf(self):
with self.assertRaises(ValueError):
self.ax.contourf(self.data, transform=ccrs.Geodetic())
def test_pcolor(self):
with self.assertRaises(ValueError):
self.ax.pcolor(self.data, transform=ccrs.Geodetic())
def test_pcolormesh(self):
with self.assertRaises(ValueError):
self.ax.pcolormesh(self.data, transform=ccrs.Geodetic())
def test_transform_PlateCarree_shortcut():
src = ccrs.PlateCarree(central_longitude=0)
target = ccrs.PlateCarree(central_longitude=180)
# of the 3 paths, 2 of them cannot be short-cutted.
pth1 = mpath.Path([[0.5, 0], [10, 10]])
pth2 = mpath.Path([[0.5, 91], [10, 10]])
pth3 = mpath.Path([[-0.5, 0], [10, 10]])
trans = InterProjectionTransform(src, target)
counter = CallCounter(target, 'project_geometry')
with counter:
trans.transform_path(pth1)
# pth1 should allow a short-cut.
assert_equal(counter.count, 0)
with counter:
trans.transform_path(pth2)
assert_equal(counter.count, 1)
with counter:
trans.transform_path(pth3)
assert_equal(counter.count, 2)
@cleanup
def test_geoaxes_subplot():
ax = plt.subplot(1, 1, 1, projection=ccrs.PlateCarree())
assert_equal(str(ax.__class__),
"<class 'cartopy.mpl.geoaxes.GeoAxesSubplot'>")
if __name__ == '__main__':
import nose
nose.runmodule(argv=['-s', '--with-doctest'], exit=False)
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