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Commit72d9a86

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Merge pull request#12940 from QuLogic/showcase-pyplot
Avoid pyplot in showcase examples.
2 parents99d8900 +a4a6306 commit72d9a86

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4 files changed

+39
-39
lines changed

4 files changed

+39
-39
lines changed

‎examples/showcase/bachelors_degrees_by_gender.py

Lines changed: 21 additions & 21 deletions
Original file line numberDiff line numberDiff line change
@@ -19,17 +19,18 @@
1919
asfileobj=False)
2020
gender_degree_data=np.genfromtxt(fname,delimiter=',',names=True)
2121

22-
# These are the colors that will be used in the plot
23-
color_sequence= ['#1f77b4','#aec7e8','#ff7f0e','#ffbb78','#2ca02c',
24-
'#98df8a','#d62728','#ff9896','#9467bd','#c5b0d5',
25-
'#8c564b','#c49c94','#e377c2','#f7b6d2','#7f7f7f',
26-
'#c7c7c7','#bcbd22','#dbdb8d','#17becf','#9edae5']
27-
2822
# You typically want your plot to be ~1.33x wider than tall. This plot
2923
# is a rare exception because of the number of lines being plotted on it.
3024
# Common sizes: (10, 7.5) and (12, 9)
3125
fig,ax=plt.subplots(1,1,figsize=(12,14))
3226

27+
# These are the colors that will be used in the plot
28+
ax.set_prop_cycle(color=[
29+
'#1f77b4','#aec7e8','#ff7f0e','#ffbb78','#2ca02c','#98df8a',
30+
'#d62728','#ff9896','#9467bd','#c5b0d5','#8c564b','#c49c94',
31+
'#e377c2','#f7b6d2','#7f7f7f','#c7c7c7','#bcbd22','#dbdb8d',
32+
'#17becf','#9edae5'])
33+
3334
# Remove the plot frame lines. They are unnecessary here.
3435
ax.spines['top'].set_visible(False)
3536
ax.spines['bottom'].set_visible(False)
@@ -47,22 +48,23 @@
4748
ax.set_xlim(1969.5,2011.1)
4849
ax.set_ylim(-0.25,90)
4950

50-
# Make sure your axis ticks are large enough to be easily read.
51-
# You don't want your viewers squinting to read your plot.
52-
plt.xticks(range(1970,2011,10),fontsize=14)
53-
plt.yticks(range(0,91,10),fontsize=14)
51+
# Set a fixed location and format for ticks.
52+
ax.set_xticks(range(1970,2011,10))
53+
ax.set_yticks(range(0,91,10))
5454
ax.xaxis.set_major_formatter(plt.FuncFormatter('{:.0f}'.format))
5555
ax.yaxis.set_major_formatter(plt.FuncFormatter('{:.0f}%'.format))
5656

5757
# Provide tick lines across the plot to help your viewers trace along
5858
# the axis ticks. Make sure that the lines are light and small so they
5959
# don't obscure the primary data lines.
60-
plt.grid(True,'major','y',ls='--',lw=.5,c='k',alpha=.3)
60+
ax.grid(True,'major','y',ls='--',lw=.5,c='k',alpha=.3)
6161

6262
# Remove the tick marks; they are unnecessary with the tick lines we just
63-
# plotted.
64-
plt.tick_params(axis='both',which='both',bottom=False,top=False,
65-
labelbottom=True,left=False,right=False,labelleft=True)
63+
# plotted. Make sure your axis ticks are large enough to be easily read.
64+
# You don't want your viewers squinting to read your plot.
65+
ax.tick_params(axis='both',which='both',labelsize=14,
66+
bottom=False,top=False,labelbottom=True,
67+
left=False,right=False,labelleft=True)
6668

6769
# Now that the plot is prepared, it's time to actually plot the data!
6870
# Note that I plotted the majors in order of the highest % in the final year.
@@ -80,14 +82,12 @@
8082
'Math and Statistics':0.75,'Architecture':-0.75,
8183
'Computer Science':0.75,'Engineering':-0.25}
8284

83-
forrank,columninenumerate(majors):
85+
forcolumninmajors:
8486
# Plot each line separately with its own color.
8587
column_rec_name=column.replace('\n','_').replace(' ','_')
8688

87-
line=plt.plot(gender_degree_data['Year'],
88-
gender_degree_data[column_rec_name],
89-
lw=2.5,
90-
color=color_sequence[rank])
89+
line,=ax.plot('Year',column_rec_name,data=gender_degree_data,
90+
lw=2.5)
9191

9292
# Add a text label to the right end of every line. Most of the code below
9393
# is adding specific offsets y position because some labels overlapped.
@@ -98,7 +98,7 @@
9898

9999
# Again, make sure that all labels are large enough to be easily read
100100
# by the viewer.
101-
plt.text(2011.5,y_pos,column,fontsize=14,color=color_sequence[rank])
101+
ax.text(2011.5,y_pos,column,fontsize=14,color=line.get_color())
102102

103103
# Make the title big enough so it spans the entire plot, but don't make it
104104
# so big that it requires two lines to show.
@@ -111,5 +111,5 @@
111111
# Finally, save the figure as a PNG.
112112
# You can also save it as a PDF, JPEG, etc.
113113
# Just change the file extension in this call.
114-
#plt.savefig('percent-bachelors-degrees-women-usa.png', bbox_inches='tight')
114+
#fig.savefig('percent-bachelors-degrees-women-usa.png', bbox_inches='tight')
115115
plt.show()

‎examples/showcase/integral.py

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -26,8 +26,8 @@ def func(x):
2626
y=func(x)
2727

2828
fig,ax=plt.subplots()
29-
plt.plot(x,y,'r',linewidth=2)
30-
plt.ylim(ymin=0)
29+
ax.plot(x,y,'r',linewidth=2)
30+
ax.set_ylim(bottom=0)
3131

3232
# Make the shaded region
3333
ix=np.linspace(a,b)
@@ -36,11 +36,11 @@ def func(x):
3636
poly=Polygon(verts,facecolor='0.9',edgecolor='0.5')
3737
ax.add_patch(poly)
3838

39-
plt.text(0.5* (a+b),30,r"$\int_a^b f(x)\mathrm{d}x$",
40-
horizontalalignment='center',fontsize=20)
39+
ax.text(0.5* (a+b),30,r"$\int_a^b f(x)\mathrm{d}x$",
40+
horizontalalignment='center',fontsize=20)
4141

42-
plt.figtext(0.9,0.05,'$x$')
43-
plt.figtext(0.1,0.9,'$y$')
42+
fig.text(0.9,0.05,'$x$')
43+
fig.text(0.1,0.9,'$y$')
4444

4545
ax.spines['right'].set_visible(False)
4646
ax.spines['top'].set_visible(False)

‎examples/showcase/mandelbrot.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -61,7 +61,7 @@ def mandelbrot_set(xmin, xmax, ymin, ymax, xn, yn, maxiter, horizon=2.0):
6161
light=colors.LightSource(azdeg=315,altdeg=10)
6262
M=light.shade(M,cmap=plt.cm.hot,vert_exag=1.5,
6363
norm=colors.PowerNorm(0.3),blend_mode='hsv')
64-
plt.imshow(M,extent=[xmin,xmax,ymin,ymax],interpolation="bicubic")
64+
ax.imshow(M,extent=[xmin,xmax,ymin,ymax],interpolation="bicubic")
6565
ax.set_xticks([])
6666
ax.set_yticks([])
6767

‎examples/showcase/xkcd.py

Lines changed: 11 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -12,27 +12,27 @@
1212

1313
withplt.xkcd():
1414
# Based on "Stove Ownership" from XKCD by Randall Munroe
15-
#http://xkcd.com/418/
15+
#https://xkcd.com/418/
1616

1717
fig=plt.figure()
1818
ax=fig.add_axes((0.1,0.2,0.8,0.7))
1919
ax.spines['right'].set_color('none')
2020
ax.spines['top'].set_color('none')
21-
plt.xticks([])
22-
plt.yticks([])
21+
ax.set_xticks([])
22+
ax.set_yticks([])
2323
ax.set_ylim([-30,10])
2424

2525
data=np.ones(100)
2626
data[70:]-=np.arange(30)
2727

28-
plt.annotate(
28+
ax.annotate(
2929
'THE DAY I REALIZED\nI COULD COOK BACON\nWHENEVER I WANTED',
3030
xy=(70,1),arrowprops=dict(arrowstyle='->'),xytext=(15,-10))
3131

32-
plt.plot(data)
32+
ax.plot(data)
3333

34-
plt.xlabel('time')
35-
plt.ylabel('my overall health')
34+
ax.set_xlabel('time')
35+
ax.set_ylabel('my overall health')
3636
fig.text(
3737
0.5,0.05,
3838
'"Stove Ownership" from xkcd by Randall Munroe',
@@ -42,7 +42,7 @@
4242

4343
withplt.xkcd():
4444
# Based on "The Data So Far" from XKCD by Randall Munroe
45-
#http://xkcd.com/373/
45+
#https://xkcd.com/373/
4646

4747
fig=plt.figure()
4848
ax=fig.add_axes((0.1,0.2,0.8,0.7))
@@ -51,12 +51,12 @@
5151
ax.spines['top'].set_color('none')
5252
ax.xaxis.set_ticks_position('bottom')
5353
ax.set_xticks([0,1])
54+
ax.set_xticklabels(['CONFIRMED BY\nEXPERIMENT','REFUTED BY\nEXPERIMENT'])
5455
ax.set_xlim([-0.5,1.5])
56+
ax.set_yticks([])
5557
ax.set_ylim([0,110])
56-
ax.set_xticklabels(['CONFIRMED BY\nEXPERIMENT','REFUTED BY\nEXPERIMENT'])
57-
plt.yticks([])
5858

59-
plt.title("CLAIMS OF SUPERNATURAL POWERS")
59+
ax.set_title("CLAIMS OF SUPERNATURAL POWERS")
6060

6161
fig.text(
6262
0.5,0.05,

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