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Simplify subgridspec example/tutorial. #17057

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Merged
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Apr 7, 2020
Merged

Simplify subgridspec example/tutorial. #17057

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46 changes: 16 additions & 30 deletions examples/userdemo/demo_gridspec06.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,7 @@
"""

import matplotlib.pyplot as plt
import matplotlib.gridspec as gridspec
import numpy as np
from itertools import product


def squiggle_xy(a, b, c, d):
Expand All @@ -18,35 +16,23 @@ def squiggle_xy(a, b, c, d):


fig = plt.figure(figsize=(8, 8))

# gridspec inside gridspec
outer_grid = gridspec.GridSpec(4, 4, wspace=0.0, hspace=0.0)

for i in range(16):
inner_grid = gridspec.GridSpecFromSubplotSpec(
3, 3, subplot_spec=outer_grid[i], wspace=0.0, hspace=0.0)
a = i // 4 + 1
b = i % 4 + 1
for j, (c, d) in enumerate(product(range(1, 4), repeat=2)):
ax = fig.add_subplot(inner_grid[j])
ax.plot(*squiggle_xy(a, b, c, d))
ax.set_xticks([])
ax.set_yticks([])
fig.add_subplot(ax)

all_axes = fig.get_axes()
outer_grid = fig.add_gridspec(4, 4, wspace=0, hspace=0)

for a in range(4):
for b in range(4):
# gridspec inside gridspec
inner_grid = outer_grid[a, b].subgridspec(3, 3, wspace=0, hspace=0)
for c in range(3):
for d in range(3):
ax = fig.add_subplot(inner_grid[c, d])
ax.plot(*squiggle_xy(a + 1, b + 1, c + 1, d + 1))
ax.set(xticks=[], yticks=[])

# show only the outside spines
for ax in all_axes:
for sp in ax.spines.values():
sp.set_visible(False)
if ax.is_first_row():
ax.spines['top'].set_visible(True)
if ax.is_last_row():
ax.spines['bottom'].set_visible(True)
if ax.is_first_col():
ax.spines['left'].set_visible(True)
if ax.is_last_col():
ax.spines['right'].set_visible(True)
for ax in fig.get_axes():
ax.spines['top'].set_visible(ax.is_first_row())
ax.spines['bottom'].set_visible(ax.is_last_row())
ax.spines['left'].set_visible(ax.is_first_col())
ax.spines['right'].set_visible(ax.is_last_col())

plt.show()
43 changes: 16 additions & 27 deletions tutorials/intermediate/gridspec.py
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Original file line number Diff line number Diff line change
Expand Up @@ -226,42 +226,31 @@
# spines in each of the inner 3x3 grids.

import numpy as np
from itertools import product


def squiggle_xy(a, b, c, d, i=np.arange(0.0, 2*np.pi, 0.05)):
return np.sin(i*a)*np.cos(i*b), np.sin(i*c)*np.cos(i*d)


fig11 = plt.figure(figsize=(8, 8), constrained_layout=False)

# gridspec inside gridspec
outer_grid = fig11.add_gridspec(4, 4, wspace=0.0, hspace=0.0)

for i in range(16):
inner_grid = outer_grid[i].subgridspec(3, 3, wspace=0.0, hspace=0.0)
a, b = int(i/4)+1, i % 4+1
for j, (c, d) in enumerate(product(range(1, 4), repeat=2)):
ax = fig11.add_subplot(inner_grid[j])
ax.plot(*squiggle_xy(a, b, c, d))
ax.set_xticks([])
ax.set_yticks([])
fig11.add_subplot(ax)

all_axes = fig11.get_axes()
outer_grid = fig11.add_gridspec(4, 4, wspace=0, hspace=0)

for a in range(4):
for b in range(4):
# gridspec inside gridspec
inner_grid = outer_grid[a, b].subgridspec(3, 3, wspace=0, hspace=0)
for c in range(3):
for d in range(3):
ax = fig11.add_subplot(inner_grid[c, d])
ax.plot(*squiggle_xy(a + 1, b + 1, c + 1, d + 1))
ax.set(xticks=[], yticks=[])

# show only the outside spines
for ax in all_axes:
for sp in ax.spines.values():
sp.set_visible(False)
if ax.is_first_row():
ax.spines['top'].set_visible(True)
if ax.is_last_row():
ax.spines['bottom'].set_visible(True)
if ax.is_first_col():
ax.spines['left'].set_visible(True)
if ax.is_last_col():
ax.spines['right'].set_visible(True)
for ax in fig11.get_axes():
ax.spines['top'].set_visible(ax.is_first_row())
ax.spines['bottom'].set_visible(ax.is_last_row())
ax.spines['left'].set_visible(ax.is_first_col())
ax.spines['right'].set_visible(ax.is_last_col())

plt.show()

Expand Down