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Commit03955c2

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DOC: Simplify annoation arrow style reference
Position everything in data coordiates rather than Axes coordinates. While the code annotate() is not the primary goal of this example, it's slightly simpler to follow if we keep everything in data coordinates, which is what all the commands (plot, text, annotate) are by default in.The output is basically unchanged, with the exception of making the point marker and the textbox edge dark grey so that the black annotation line stands out more.
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‎galleries/examples/text_labels_and_annotations/fancyarrow_demo.py

Lines changed: 12 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -19,35 +19,31 @@
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nrow= (len(styles)+1)//ncol
2020
axs= (plt.figure(figsize=(4*ncol,1+nrow))
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.add_gridspec(1+nrow,ncol,
22-
wspace=.7,left=.1,right=.9,bottom=0,top=1).subplots())
22+
wspace=0,hspace=0,left=0,right=1,bottom=0,top=1).subplots())
2323
foraxinaxs.flat:
24+
ax.set_xlim(-0.5,4)
2425
ax.set_axis_off()
2526
foraxinaxs[0, :]:
26-
ax.text(0,.5,"arrowstyle",
27-
transform=ax.transAxes,size="large",color="tab:blue",
28-
horizontalalignment="center",verticalalignment="center")
29-
ax.text(.35,.5,"default parameters",
30-
transform=ax.transAxes,
31-
horizontalalignment="left",verticalalignment="center")
27+
ax.text(-0.25,0.5,"arrowstyle",size="large",color="tab:blue")
28+
ax.text(1.25,.5,"default parameters",size="large")
3229
forax, (stylename,stylecls)inzip(axs[1:, :].T.flat,styles.items()):
33-
l,=ax.plot(.25,.5,"ok",transform=ax.transAxes)
34-
ax.annotate(stylename, (.25,.5), (-0.1,.5),
35-
xycoords="axes fraction",textcoords="axes fraction",
36-
size="large",color="tab:blue",
37-
horizontalalignment="center",verticalalignment="center",
30+
# draw dot and annotation with arrowstyle
31+
l,=ax.plot(1,0,"o",color="grey")
32+
ax.annotate(stylename, (1,0), (0,0),
33+
size="large",color="tab:blue",ha="center",va="center",
3834
arrowprops=dict(
3935
arrowstyle=stylename,connectionstyle="arc3,rad=-0.05",
4036
color="k",shrinkA=5,shrinkB=5,patchB=l,
4137
),
42-
bbox=dict(boxstyle="square",fc="w"))
38+
bbox=dict(boxstyle="square",fc="w",ec="grey"))
39+
# draw default parameters
4340
# wrap at every nth comma (n = 1 or 2, depending on text length)
4441
s=str(inspect.signature(stylecls))[1:-1]
4542
n=2ifs.count(',')>3else1
46-
ax.text(.35,.5,
43+
ax.text(1.25,0,
4744
re.sub(', ',lambdam,c=itertools.count(1):m.group()
4845
ifnext(c)%nelse'\n',s),
49-
transform=ax.transAxes,
50-
horizontalalignment="left",verticalalignment="center")
46+
verticalalignment="center")
5147

5248
plt.show()
5349

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