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Use subplots() instead of axes_grid in suitable examples. #10127

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Dec 29, 2017
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Use subplots() instead of axes_grid in suitable examples. #10127

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48 changes: 12 additions & 36 deletions examples/userdemo/annotate_explain.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,28 +7,13 @@

import matplotlib.pyplot as plt
import matplotlib.patches as mpatches
from mpl_toolkits.axes_grid1.axes_grid import AxesGrid
from matplotlib.offsetbox import AnchoredText


fig, axs = plt.subplots(2, 2)
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Did you change the shape on purpose? I don't really mind, but the original was 1x4...

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Then you'd need to set a figsize (otherwise the subplots are really small), and it just works as well without it after reshaping to (2, 2). Basically, trying to concentrate the example on the relevant points.

(the connectionstyle example does set the figsize because I don't think it can really be made to work nicely without it).

x1, y1 = 0.3, 0.3
x2, y2 = 0.7, 0.7

fig = plt.figure(1, figsize=(8, 3))
fig.clf()


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 = AxesGrid(fig, 111, (1, 4), label_mode="1", share_all=True)

grid[0].set_autoscale_on(False)

ax = grid[0]
ax = axs.flat[0]
ax.plot([x1, x2], [y1, y2], ".")
el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.2)
ax.add_artist(el)
Expand All @@ -42,10 +27,9 @@ def add_at(ax, t, loc=2):
connectionstyle="arc3,rad=0.3",
),
)
ax.text(.05, .95, "connect", transform=ax.transAxes, ha="left", va="top")

add_at(ax, "connect", loc=2)

ax = grid[1]
ax = axs.flat[1]
ax.plot([x1, x2], [y1, y2], ".")
el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.2)
ax.add_artist(el)
Expand All @@ -59,11 +43,9 @@ def add_at(ax, t, loc=2):
connectionstyle="arc3,rad=0.3",
),
)
ax.text(.05, .95, "clip", transform=ax.transAxes, ha="left", va="top")

add_at(ax, "clip", loc=2)


ax = grid[2]
ax = axs.flat[2]
ax.plot([x1, x2], [y1, y2], ".")
el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.2)
ax.add_artist(el)
Expand All @@ -77,11 +59,9 @@ def add_at(ax, t, loc=2):
connectionstyle="arc3,rad=0.3",
),
)
ax.text(.05, .95, "shrink", transform=ax.transAxes, ha="left", va="top")

add_at(ax, "shrink", loc=2)


ax = grid[3]
ax = axs.flat[3]
ax.plot([x1, x2], [y1, y2], ".")
el = mpatches.Ellipse((x1, y1), 0.3, 0.4, angle=30, alpha=0.2)
ax.add_artist(el)
Expand All @@ -95,13 +75,9 @@ def add_at(ax, t, loc=2):
connectionstyle="arc3,rad=0.3",
),
)
ax.text(.05, .95, "mutate", transform=ax.transAxes, ha="left", va="top")

add_at(ax, "mutate", loc=2)

grid[0].set_xlim(0, 1)
grid[0].set_ylim(0, 1)
grid[0].axis["bottom"].toggle(ticklabels=False)
grid[0].axis["left"].toggle(ticklabels=False)
fig.subplots_adjust(left=0.05, right=0.95, bottom=0.05, top=0.95)
for ax in axs.flat:
ax.set(xlim=(0, 1), ylim=(0, 1), xticks=[], yticks=[], aspect=1)

plt.show()
91 changes: 23 additions & 68 deletions examples/userdemo/connectionstyle_demo.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,33 +7,14 @@

import matplotlib.pyplot as plt
import matplotlib.patches as mpatches
from mpl_toolkits.axes_grid1.axes_grid import AxesGrid
from matplotlib.offsetbox import AnchoredText


fig = plt.figure(1, figsize=(8, 5))
fig.clf()


def add_at(ax, t, loc=2):
fp = dict(size=8)
_at = AnchoredText(t, loc=loc, prop=fp)
ax.add_artist(_at)
return _at


grid = AxesGrid(fig, 111, (3, 5), label_mode="1", share_all=True)

grid[0].set_autoscale_on(False)

fig, axs = plt.subplots(3, 5, figsize=(8, 4.8))
x1, y1 = 0.3, 0.3
x2, y2 = 0.7, 0.7


def demo_con_style(ax, connectionstyle, label=None):
if label is None:
label = connectionstyle

x1, y1 = 0.3, 0.2
x2, y2 = 0.8, 0.6

Expand All @@ -50,53 +31,27 @@ def demo_con_style(ax, connectionstyle, label=None):
),
)

add_at(ax, label, loc=2)


column = grid.axes_column[0]

demo_con_style(column[0], "angle3,angleA=90,angleB=0",
label="angle3,\nangleA=90,\nangleB=0")
demo_con_style(column[1], "angle3,angleA=0,angleB=90",
label="angle3,\nangleA=0,\nangleB=90")

column = grid.axes_column[1]

demo_con_style(column[0], "arc3,rad=0.")
demo_con_style(column[1], "arc3,rad=0.3")
demo_con_style(column[2], "arc3,rad=-0.3")

column = grid.axes_column[2]

demo_con_style(column[0], "angle,angleA=-90,angleB=180,rad=0",
label="angle,\nangleA=-90,\nangleB=180,\nrad=0")
demo_con_style(column[1], "angle,angleA=-90,angleB=180,rad=5",
label="angle,\nangleA=-90,\nangleB=180,\nrad=5")
demo_con_style(column[2], "angle,angleA=-90,angleB=10,rad=5",
label="angle,\nangleA=-90,\nangleB=10,\nrad=0")

column = grid.axes_column[3]

demo_con_style(column[0], "arc,angleA=-90,angleB=0,armA=30,armB=30,rad=0",
label="arc,\nangleA=-90,\nangleB=0,\narmA=30,\narmB=30,\nrad=0")
demo_con_style(column[1], "arc,angleA=-90,angleB=0,armA=30,armB=30,rad=5",
label="arc,\nangleA=-90,\nangleB=0,\narmA=30,\narmB=30,\nrad=5")
demo_con_style(column[2], "arc,angleA=-90,angleB=0,armA=0,armB=40,rad=0",
label="arc,\nangleA=-90,\nangleB=0,\narmA=0,\narmB=40,\nrad=0")

column = grid.axes_column[4]

demo_con_style(column[0], "bar,fraction=0.3",
label="bar,\nfraction=0.3")
demo_con_style(column[1], "bar,fraction=-0.3",
label="bar,\nfraction=-0.3")
demo_con_style(column[2], "bar,angle=180,fraction=-0.2",
label="bar,\nangle=180,\nfraction=-0.2")

grid[0].set_xlim(0, 1)
grid[0].set_ylim(0, 1)
grid.axes_llc.axis["bottom"].toggle(ticklabels=False)
grid.axes_llc.axis["left"].toggle(ticklabels=False)
fig.subplots_adjust(left=0.05, right=0.95, bottom=0.05, top=0.95)
ax.text(.05, .95, connectionstyle.replace(",", ",\n"),
transform=ax.transAxes, ha="left", va="top")


demo_con_style(axs[0, 0], "angle3,angleA=90,angleB=0")
demo_con_style(axs[1, 0], "angle3,angleA=0,angleB=90")
demo_con_style(axs[0, 1], "arc3,rad=0.")
demo_con_style(axs[1, 1], "arc3,rad=0.3")
demo_con_style(axs[2, 1], "arc3,rad=-0.3")
demo_con_style(axs[0, 2], "angle,angleA=-90,angleB=180,rad=0")
demo_con_style(axs[1, 2], "angle,angleA=-90,angleB=180,rad=5")
demo_con_style(axs[2, 2], "angle,angleA=-90,angleB=10,rad=5")
demo_con_style(axs[0, 3], "arc,angleA=-90,angleB=0,armA=30,armB=30,rad=0")
demo_con_style(axs[1, 3], "arc,angleA=-90,angleB=0,armA=30,armB=30,rad=5")
demo_con_style(axs[2, 3], "arc,angleA=-90,angleB=0,armA=0,armB=40,rad=0")
demo_con_style(axs[0, 4], "bar,fraction=0.3")
demo_con_style(axs[1, 4], "bar,fraction=-0.3")
demo_con_style(axs[2, 4], "bar,angle=180,fraction=-0.2")

for ax in axs.flat:
ax.set(xlim=(0, 1), ylim=(0, 1), xticks=[], yticks=[], aspect=1)
fig.tight_layout(pad=0)

plt.show()
68 changes: 21 additions & 47 deletions examples/userdemo/simple_annotate01.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,61 +8,38 @@
import matplotlib.pyplot as plt
import matplotlib.patches as mpatches


fig, axs = plt.subplots(2, 4)
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Again, I don't mind it, but this one is pretty different from the old version.

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The previous example had a bunch of empty, useless subplots.
The reason for reordering the subplots is explained above, but again it's just so that "connectionstyle=arc3" doesn't get overwritten by the next subplot.

x1, y1 = 0.3, 0.3
x2, y2 = 0.7, 0.7

fig = plt.figure(1)
fig.clf()
from mpl_toolkits.axes_grid1.axes_grid import Grid
from matplotlib.offsetbox 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 = axs.flat[0]
ax.plot([x1, x2], [y1, y2], "o")
ax.annotate("",
xy=(x1, y1), xycoords='data',
xytext=(x2, y2), textcoords='data',
arrowprops=dict(arrowstyle="->"))
ax.text(.05, .95, "A $->$ B", transform=ax.transAxes, ha="left", va="top")

add_at(ax, "A $->$ B", loc=2)


ax = grid[1]
ax = axs.flat[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"))

add_at(ax, "connectionstyle=arc3", loc=2)

arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.3",
shrinkB=5)
)
ax.text(.05, .95, "shrinkB=5", transform=ax.transAxes, ha="left", va="top")

ax = grid[2]
ax = axs.flat[3]
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)

arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.3"))
ax.text(.05, .95, "connectionstyle=arc3", transform=ax.transAxes, ha="left", va="top")

ax = grid[3]
ax = axs.flat[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)
Expand All @@ -72,8 +49,7 @@ def add_at(ax, t, loc=2):
arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.2")
)


ax = grid[4]
ax = axs.flat[5]
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)
Expand All @@ -83,11 +59,9 @@ def add_at(ax, t, loc=2):
arrowprops=dict(arrowstyle="->", connectionstyle="arc3,rad=0.2",
patchB=el)
)
ax.text(.05, .95, "patchB", transform=ax.transAxes, ha="left", va="top")

add_at(ax, "patchB", loc=2)


ax = grid[5]
ax = axs.flat[6]
ax.plot([x1], [y1], "o")
ax.annotate("Test",
xy=(x1, y1), xycoords='data',
Expand All @@ -96,11 +70,9 @@ def add_at(ax, t, loc=2):
bbox=dict(boxstyle="round", fc="w"),
arrowprops=dict(arrowstyle="->")
)
ax.text(.05, .95, "annotate", transform=ax.transAxes, ha="left", va="top")

add_at(ax, "annotate", loc=2)


ax = grid[6]
ax = axs.flat[7]
ax.plot([x1], [y1], "o")
ax.annotate("Test",
xy=(x1, y1), xycoords='data',
Expand All @@ -109,7 +81,9 @@ def add_at(ax, t, loc=2):
bbox=dict(boxstyle="round", fc="w", ),
arrowprops=dict(arrowstyle="->", relpos=(0., 0.))
)
ax.text(.05, .95, "relpos=(0,0)", transform=ax.transAxes, ha="left", va="top")

add_at(ax, "relpos=(0,0)", loc=2)
for ax in axs.flat:
ax.set(xlim=(0, 1), ylim=(0, 1), xticks=[], yticks=[], aspect=1)

plt.show()