#: GitHub issue #1018 identified a bug in the Polygon handling

#: of the closed attribute; the path was not getting closed

#: when set_xy was used to set the vertices.

# open set of vertices:

xy = [[0, 0], [0, 1], [1, 1]]

# closed set:

xyclosed = xy + [[0, 0]]

# start with open path and close it:

p = Polygon(xy, closed=True)

assert_array_equal(p.get_xy(), xyclosed)

p.set_xy(xy)

assert_array_equal(p.get_xy(), xyclosed)

# start with closed path and open it:

p = Polygon(xyclosed, closed=False)

assert_array_equal(p.get_xy(), xy)

p.set_xy(xyclosed)

assert_array_equal(p.get_xy(), xy)

# start with open path and leave it open:

p = Polygon(xy, closed=False)

assert_array_equal(p.get_xy(), xy)

p.set_xy(xy)

assert_array_equal(p.get_xy(), xy)

# start with closed path and leave it closed:

p = Polygon(xyclosed, closed=True)

assert_array_equal(p.get_xy(), xyclosed)

p.set_xy(xyclosed)

loc = np.asarray([1.0, 2.0])

width = 2

height = 3

angle = 30.0

# A rotated rectangle

rect1 = Rectangle(loc, width, height, angle=angle)

# A non-rotated rectangle

rect2 = Rectangle(loc, width, height)

# Set up an explicit rotation matrix (in radians)

angle_rad = np.pi * angle / 180.0

rotation_matrix = np.array([[np.cos(angle_rad), -np.sin(angle_rad)],

[np.sin(angle_rad), np.cos(angle_rad)]])

# Translate to origin, rotate each vertex, and then translate back

new_verts = np.inner(rotation_matrix, rect2.get_verts() - loc).T + loc

# They should be the same

# These two rectangles have the same vertices, but starting from a

# different point. (We also drop the last vertex, which is a duplicate.)

pos_vertices = Rectangle((-3, -2), 3, 2).get_verts()[:-1]

neg_vertices = Rectangle((0, 0), -3, -2).get_verts()[:-1]

fig = plt.figure()

ax = fig.add_subplot(111)

ax.set_xlim([-18, 20])

ax.set_ylim([-150, 100])

path = mpath.Path.unit_regular_star(8).deepcopy()

path.vertices *= [10, 100]

path.vertices -= [5, 25]

path2 = mpath.Path.unit_circle().deepcopy()

path2.vertices *= [10, 100]

path2.vertices += [10, -25]

combined = mpath.Path.make_compound_path(path, path2)

patch = mpatches.PathPatch(

combined, alpha=0.5, facecolor='coral', edgecolor='none')

ax.add_patch(patch)

bbox = mtransforms.Bbox([[-12, -77.5], [50, -110]])

result_path = combined.clip_to_bbox(bbox)

result_patch = mpatches.PathPatch(

result_path, alpha=0.5, facecolor='green', lw=4, edgecolor='black')

"""

star = mpath.Path.unit_regular_star(6)

circle = mpath.Path.unit_circle()

# concatenate the star with an internal cutout of the circle

verts = np.concatenate([circle.vertices, star.vertices[::-1]])

codes = np.concatenate([circle.codes, star.codes])

cut_star1 = mpath.Path(verts, codes)

cut_star2 = mpath.Path(verts + 1, codes)

ax = plt.axes()

patch = mpatches.PathPatch(cut_star1,

linewidth=5, linestyle='dashdot',

facecolor=(1, 0, 0, 0.5),

edgecolor=(0, 0, 1, 0.75))

ax.add_patch(patch)

col = mcollections.PathCollection([cut_star2],

linewidth=5, linestyles='dashdot',

facecolor=(1, 0, 0, 0.5),

edgecolor=(0, 0, 1, 0.75))

ax.add_collection(col)

ax.set_xlim([-1, 2])

#: Test checks that specifying an alpha attribute for a patch or

#: collection will override any alpha component of the facecolor

#: or edgecolor.

star = mpath.Path.unit_regular_star(6)

circle = mpath.Path.unit_circle()

# concatenate the star with an internal cutout of the circle

verts = np.concatenate([circle.vertices, star.vertices[::-1]])

codes = np.concatenate([circle.codes, star.codes])

cut_star1 = mpath.Path(verts, codes)

cut_star2 = mpath.Path(verts + 1, codes)

ax = plt.axes()

patch = mpatches.PathPatch(cut_star1,

linewidth=5, linestyle='dashdot',

alpha=0.25,

facecolor=(1, 0, 0, 0.5),

edgecolor=(0, 0, 1, 0.75))

ax.add_patch(patch)

col = mcollections.PathCollection([cut_star2],

linewidth=5, linestyles='dashdot',

alpha=0.25,

facecolor=(1, 0, 0, 0.5),

edgecolor=(0, 0, 1, 0.75))

ax.add_collection(col)

ax.set_xlim([-1, 2])

# Make sure the alpha kwarg does not override 'none' facecolor.

# Addresses issue #7478.

c = plt.Circle((0, 0), 1, facecolor='none', alpha=1)

#: A test to check that patches and collections accept custom dash

#: patterns as linestyle and that they display correctly.

star = mpath.Path.unit_regular_star(6)

circle = mpath.Path.unit_circle()

# concatenate the star with an internal cutout of the circle

verts = np.concatenate([circle.vertices, star.vertices[::-1]])

codes = np.concatenate([circle.codes, star.codes])

cut_star1 = mpath.Path(verts, codes)

cut_star2 = mpath.Path(verts + 1, codes)

ax = plt.axes()

patch = mpatches.PathPatch(

cut_star1,

linewidth=5, linestyle=(0, (5, 7, 10, 7)),

facecolor=(1, 0, 0), edgecolor=(0, 0, 1))

ax.add_patch(patch)

col = mcollections.PathCollection(

[cut_star2],

linewidth=5, linestyles=[(0, (5, 7, 10, 7))],

facecolor=(1, 0, 0), edgecolor=(0, 0, 1))

ax.add_collection(col)

ax.set_xlim([-1, 2])

#: Test if linestyle can also be specified with short mnemonics like "--"

#: c.f. GitHub issue #2136

star = mpath.Path.unit_regular_star(6)

circle = mpath.Path.unit_circle()

# concatenate the star with an internal cutout of the circle

verts = np.concatenate([circle.vertices, star.vertices[::-1]])

codes = np.concatenate([circle.codes, star.codes])

linestyles = ["-", "--", "-.", ":",

"solid", "dashed", "dashdot", "dotted"]

fig = plt.figure()

ax = fig.add_subplot(1, 1, 1)

for i, ls in enumerate(linestyles):

star = mpath.Path(verts + i, codes)

patch = mpatches.PathPatch(star,

linewidth=3, linestyle=ls,

facecolor=(1, 0, 0),

edgecolor=(0, 0, 1))

ax.add_patch(patch)

ax.set_xlim([-1, i + 1])

ax.set_ylim([-1, i + 1])

param_dict = {'center': ((0, 0), (1, 1), 'set_center'),

'r': (5, 8, 'set_radius'),

'width': (2, 3, 'set_width'),

'theta1': (0, 30, 'set_theta1'),

'theta2': (45, 50, 'set_theta2')}

init_args = {k: v[0] for k, v in param_dict.items()}

w = mpatches.Wedge(**init_args)

for attr, (old_v, new_v, func) in param_dict.items():

assert getattr(w, attr) == old_v

getattr(w, func)(new_v)

ax = plt.axes()

t1 = 2.313869244286224

args = [[52.31386924, 232.31386924],

[52.313869244286224, 232.31386924428622],

[t1, t1 + 180.0],

[0, 360],

[90, 90 + 360],

[-180, 180],

[0, 380],

[45, 46],

[46, 45]]

for i, (theta1, theta2) in enumerate(args):

x = i % 3

y = i // 3

wedge = mpatches.Wedge((x * 3, y * 3), 1, theta1, theta2,

facecolor='none', edgecolor='k', lw=3)

ax.add_artist(wedge)

ax.set_xlim([-2, 8])

"""

p = mpatches.Circle(xy=(1, 2), radius=3)

assert str(p) == 'Circle(xy=(1, 2), radius=3)'

p = mpatches.Ellipse(xy=(1, 2), width=3, height=4, angle=5)

assert str(p) == 'Ellipse(xy=(1, 2), width=3, height=4, angle=5)'

p = mpatches.Rectangle(xy=(1, 2), width=3, height=4, angle=5)

assert str(p) == 'Rectangle(xy=(1, 2), width=3, height=4, angle=5)'

p = mpatches.Wedge(center=(1, 2), r=3, theta1=4, theta2=5, width=6)

assert str(p) == 'Wedge(center=(1, 2), r=3, theta1=4, theta2=5, width=6)'

p = mpatches.Arc(xy=(1, 2), width=3, height=4, angle=5, theta1=6, theta2=7)

expected = 'Arc(xy=(1, 2), width=3, height=4, angle=5, theta1=6, theta2=7)'

assert str(p) == expected

p = mpatches.RegularPolygon((1, 2), 20, radius=5)

assert str(p) == "RegularPolygon((1, 2), 20, radius=5, orientation=0)"

p = mpatches.CirclePolygon(xy=(1, 2), radius=5, resolution=20)

assert str(p) == "CirclePolygon((1, 2), radius=5, resolution=20)"

p = mpatches.FancyBboxPatch((1, 2), width=3, height=4)

assert str(p) == "FancyBboxPatch((1, 2), width=3, height=4)"

# Further nice __str__ which cannot be `eval`uated:

path = mpath.Path([(1, 2), (2, 2), (1, 2)], closed=True)

p = mpatches.PathPatch(path)

assert str(p) == "PathPatch3((1, 2) ...)"

data = [[1, 2], [2, 2], [1, 2]]

p = mpatches.Polygon(data)

assert str(p) == "Polygon3((1, 2) ...)"

p = mpatches.FancyArrowPatch(path=path)

assert str(p)[:27] == "FancyArrowPatch(Path(array("

p = mpatches.FancyArrowPatch((1, 2), (3, 4))

assert str(p) == "FancyArrowPatch((1, 2)->(3, 4))"

p = mpatches.ConnectionPatch((1, 2), (3, 4), 'data')

assert str(p) == "ConnectionPatch((1, 2), (3, 4))"

s = mpatches.Shadow(p, 1, 1)

assert str(s) == "Shadow(ConnectionPatch((1, 2), (3, 4)))"

# Not testing Arrow, FancyArrow here

fig, ax = plt.subplots()

rects = ax.bar(range(5), range(1, 6))

for i, rect in enumerate(rects):

rect.set_facecolor('none')

rect.set_edgecolor('C{}'.format(i))

rect.set_hatch('/')

ax.autoscale_view()

ax.autoscale(False)

for i in range(5):

with mstyle.context({'hatch.color': 'C{}'.format(i)}):

r = Rectangle((i - .8 / 2, 5), .8, 1, hatch='//', fc='none')

import matplotlib.testing.jpl_units as U

U.register()

p = mpatches.Rectangle((5*U.km, 6*U.km), 1*U.km, 2*U.km)

fig, ax = plt.subplots()

ax.add_patch(p)

ax.set_xlim([4*U.km, 7*U.km])

fig, (ax1, ax2) = plt.subplots(1, 2)

con = mpatches.ConnectionPatch(xyA=(0.1, 0.1), xyB=(0.9, 0.9),

coordsA='data', coordsB='data',

axesA=ax2, axesB=ax1,

arrowstyle="->")

ax2.add_artist(con)

xyA = (0.6, 1.0) # in axes coordinates

xyB = (0.0, 0.2) # x in axes coordinates, y in data coordinates

coordsA = "axes fraction"

coordsB = ax2.get_yaxis_transform()

con = mpatches.ConnectionPatch(xyA=xyA, xyB=xyB, coordsA=coordsA,

coordsB=coordsB, arrowstyle="-")

# Test that connection patch can be added as figure artist, and that figure

# pixels count negative values from the top right corner (this API may be

# changed in the future).

ax1, ax2 = fig_test.subplots(1, 2)

con = mpatches.ConnectionPatch(

xyA=(.3, .2), coordsA="data", axesA=ax1,

xyB=(-30, -20), coordsB="figure pixels",

arrowstyle="->", shrinkB=5)

fig_test.add_artist(con)

ax1, ax2 = fig_ref.subplots(1, 2)

bb = fig_ref.bbox

# Necessary so that pixel counts match on both sides.

plt.rcParams["savefig.dpi"] = plt.rcParams["figure.dpi"]

con = mpatches.ConnectionPatch(

xyA=(.3, .2), coordsA="data", axesA=ax1,

xyB=(bb.width - 30, bb.height - 20), coordsB="figure pixels",

arrowstyle="->", shrinkB=5)

# Check that creating a rectangle with timedeltas doesn't fail

from datetime import datetime, timedelta

start = datetime(2017, 1, 1, 0, 0, 0)

delta = timedelta(seconds=16)

patch = mpatches.Rectangle((start, 0), delta, 1)

fig, ax = plt.subplots()

from datetime import datetime

start = datetime(2017, 1, 1, 0, 0, 0)

dt_delta = datetime(1970, 1, 5) # Will be 5 days if units are done wrong

with pytest.raises(TypeError):

mpatches.Rectangle((start, 0), dt_delta, 1)

with pytest.raises(TypeError):

ell = mpatches.Ellipse((0.5, 0.5), 0.5, 1.0, 0)

points = [(0.0, 0.5), (0.2, 0.5), (0.25, 0.5), (0.5, 0.5)]

path = ell.get_path()

transform = ell.get_transform()

radius = ell._process_radius(None)

expected = np.array([path.contains_point(point,

transform,

radius) for point in points])

result = np.array([ell.contains_point(point) for point in points])

ell = mpatches.Ellipse((0.5, 0.5), 0.5, 1.0, 0)

points = [(0.0, 0.5), (0.2, 0.5), (0.25, 0.5), (0.5, 0.5)]

path = ell.get_path()

transform = ell.get_transform()

radius = ell._process_radius(None)

expected = path.contains_points(points, transform, radius)

result = ell.contains_points(points)

xy = np.array([.2, .3])

dxy = np.array([.1, .2])

# We need to work around the nonsensical (dpi-dependent) interpretation of

# offsets by the Shadow class...

plt.rcParams["savefig.dpi"] = "figure"

# Test image.

a1 = fig_test.subplots()

rect = mpatches.Rectangle(xy=xy, width=.5, height=.5)

shadow = mpatches.Shadow(rect, ox=dxy[0], oy=dxy[1])

a1.add_patch(rect)

a1.add_patch(shadow)

# Reference image.

a2 = fig_ref.subplots()

rect = mpatches.Rectangle(xy=xy, width=.5, height=.5)

shadow = mpatches.Rectangle(

xy=xy + fig_ref.dpi / 72 * dxy, width=.5, height=.5,

fc=np.asarray(mcolors.to_rgb(rect.get_facecolor())) * .3,

ec=np.asarray(mcolors.to_rgb(rect.get_facecolor())) * .3,

alpha=.5)

a2.add_patch(shadow)

from datetime import datetime

# Smoke test to check that FancyArrowPatch works with units

dtime = datetime(2000, 1, 1)

fig, ax = plt.subplots()

arrow = FancyArrowPatch((0, dtime), (0.01, dtime))

ax = plt.figure().add_subplot()

ax.set_axis_off()

# A large arc that crosses the axes view limits.