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Commit1a34f89

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story645tacaswell
andcommitted
document how to use text.Annotation for figure annotations and rainbow texts
Co-authored-by: Thomas A Caswell <tcaswell@gmail.com>
1 parent3f2925b commit1a34f89

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‎galleries/examples/text_labels_and_annotations/rainbow_text.py

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importmatplotlib.pyplotasplt
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plt.rcParams["font.size"]=20
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ax=plt.figure().add_subplot(xticks=[],yticks=[])
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# The first word, created with text().
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color="blue",family="serif")# custom properties
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plt.show()
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# %%
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#
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# Figure Text
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# -----------
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#
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# Figure text can be concatenated in a similar manner by creating a `~.text.Annotation`
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# object and adding it to the figure:
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importmatplotlib.textasmtext
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fig,ax=plt.subplots(subplot_kw=dict(visible=False))
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text=fig.text(.1,.5,"Matplotlib",color="red")
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text=mtext.Annotation(" says,",xycoords=text,xy=(1,0),
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va="bottom",color="gold",weight="bold")
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fig.add_artist(text)# manually add artist to figure
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text=mtext.Annotation(" hello",xycoords=text,xy=(1,0),
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va="bottom",color="green",style="italic")
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fig.add_artist(text)
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text=mtext.Annotation(" world!",xycoords=text,xy=(1,0),
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va="bottom",color="blue",family="serif")
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fig.add_artist(text)
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# %%
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#
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# .. admonition:: References
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#
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# The use of the following functions, methods, classes and modules is shown
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# in this example:
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#
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# - `matplotlib.axes.Axes.annotate`
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# - `matplotlib.text.Annotation`
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#
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# .. tags:: component: annotation, component: text, styling: color

‎galleries/users_explain/text/annotations.py

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@@ -586,7 +586,33 @@ def __call__(self, x0, y0, width, height, mutation_size):
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connectionstyle="arc3,rad=-0.2",
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relpos=(1.,0.),
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fc="w"))
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# %%
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# Create Annotation Artist
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# ^^^^^^^^^^^^^^^^^^^^^^^^
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#
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# An annotation artist may also be created using `.text.Annotation` and then added to
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# the figure. This can be used to annotate other artists that are on the figure. For
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# example:
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importmatplotlib.patchesasmpatches
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importmatplotlib.textasmtext
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fig,ax=plt.subplots(subplot_kw=dict(visible=False),figsize=(3,3))
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# add circle to figure
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smile=mpatches.Circle((.5,.5),radius=.5,fc='gold',ec='k')
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fig.add_artist(smile)
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# position text relative to artist
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eyes=mtext.Annotation("O o",xy=(.5,.5),xycoords=smile,
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fontsize=77,va='bottom',ha='center')
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fig.add_artist(eyes)
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# connect two endpoints positioned relative to artists
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mouth=mtext.Annotation("",xy=(.25,.25),xytext=(.75,.35),
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xycoords=smile,textcoords=smile,
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arrowprops=dict(arrowstyle="-",lw=5))
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fig.add_artist(mouth)
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# %%
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# Placing Artist at anchored Axes locations
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# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

‎pyproject.toml

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"galleries/examples/style_sheets/bmh.py" = ["E501"]
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"galleries/examples/subplots_axes_and_figures/demo_constrained_layout.py" = ["E402"]
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"galleries/examples/text_labels_and_annotations/custom_legends.py" = ["E402"]
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"galleries/examples/text_labels_and_annotations/rainbow_text.py" = ["E402"]
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"galleries/examples/ticks/date_concise_formatter.py" = ["E402"]
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"galleries/examples/ticks/date_formatters_locators.py" = ["F401"]
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"galleries/examples/user_interfaces/embedding_in_gtk3_panzoom_sgskip.py" = ["E402"]

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