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Commitc6eedb1

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story645tacaswell
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document how to use text.Annotation for figure annotations and rainbow texts
Co-authored-by: Thomas A Caswell <tcaswell@gmail.com>
1 parentb01462c commitc6eedb1

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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 +586,37 @@ 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 added to directly
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# to the figure. For 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 a circle and a square
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circle=mpatches.Circle((.25,.75),radius=.15,fc='gold',ec='navy')
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fig.add_artist(circle)
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square=mpatches.Rectangle((.75,.25),height=.25,width=.25,fc='navy',ec='gold')
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fig.add_artist(square)
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# position annotation line between both artists
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con=mtext.Annotation("",xy=(.95,.25),xytext=(0,1),
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xycoords=circle,textcoords=square,
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arrowprops=dict(arrowstyle="-",lw=3,ls='--',color='navy'))
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fig.add_artist(con)
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# Position text relative to annotation
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label=mtext.Annotation("connection",xy=(.5,.5),xytext=(1,1),
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xycoords=con,textcoords=fig.transFigure,
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arrowprops=dict(arrowstyle="->",lw=3,ls=':',color='gold'),
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size=20,color='navy',va='top',ha='right')
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fig.add_artist(label)
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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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