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import matplotlib.pyplot as plt
import matplotlib.patches as mpatches
x1, y1 = 0.3, 0.3
x2, y2 = 0.7, 0.7
fig = plt.figure(1)
fig.clf()
from mpl_toolkits.axes_grid.axes_grid import Grid
from mpl_toolkits.axes_grid.anchored_artists import AnchoredText
from matplotlib.font_manager import FontProperties
def add_at(ax, t, loc=2):
fp = dict(size=10)
_at = AnchoredText(t, loc=loc, prop=fp)
ax.add_artist(_at)
return _at
grid = Grid(fig, 111, (4, 4), label_mode="1", share_all=True)
grid[0].set_autoscale_on(False)
ax = grid[0]
ax.plot([x1, x2], [y1, y2], "o")
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->"))
add_at(ax, "A $->$ B", loc=2)
ax = grid[1]
ax.plot([x1, x2], [y1, y2], "o")
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->",
connectionstyle="arc3,rad=0.3"))
add_at(ax, "connectionstyle=arc3", loc=2)
ax = grid[2]
ax.plot([x1, x2], [y1, y2], "o")
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->",
connectionstyle="arc3,rad=0.3",
shrinkB=5,
)
)
add_at(ax, "shrinkB=5", loc=2)
ax = grid[3]
ax.plot([x1, x2], [y1, y2], "o")
el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.5)
ax.add_artist(el)
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->",
connectionstyle="arc3,rad=0.2",
)
)
ax = grid[4]
ax.plot([x1, x2], [y1, y2], "o")
el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.5)
ax.add_artist(el)
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->",
connectionstyle="arc3,rad=0.2",
patchB=el,
)
)
add_at(ax, "patchB", loc=2)
ax = grid[5]
ax.plot([x1], [y1], "o")
ax.annotate("Test",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
ha="center", va="center",
bbox=dict(boxstyle="round",
fc="w",
),
arrowprops=dict(arrowstyle="->",
#connectionstyle="arc3,rad=0.2",
)
)
add_at(ax, "annotate", loc=2)
ax = grid[6]
ax.plot([x1], [y1], "o")
ax.annotate("Test",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
ha="center", va="center",
bbox=dict(boxstyle="round",
fc="w",
),
arrowprops=dict(arrowstyle="->",
#connectionstyle="arc3,rad=0.2",
relpos=(0., 0.)
)
)
add_at(ax, "relpos=(0,0)", loc=2)
#ax.set_xlim(0, 1)
#ax.set_ylim(0, 1)
plt.draw()
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