| | """ |
| | ================================= |
| | Connection styles for annotations |
| | ================================= |
| | |
| | When creating an annotation using `~.Axes.annotate`, the arrow shape can be |
| | controlled via the *connectionstyle* parameter of *arrowprops*. For further |
| | details see the description of `.FancyArrowPatch`. |
| | """ |
| |
|
| | import matplotlib.pyplot as plt |
| |
|
| |
|
| | def demo_con_style(ax, connectionstyle): |
| | x1, y1 = 0.3, 0.2 |
| | x2, y2 = 0.8, 0.6 |
| |
|
| | ax.plot([x1, x2], [y1, y2], ".") |
| | ax.annotate("", |
| | xy=(x1, y1), xycoords='data', |
| | xytext=(x2, y2), textcoords='data', |
| | arrowprops=dict(arrowstyle="->", color="0.5", |
| | shrinkA=5, shrinkB=5, |
| | patchA=None, patchB=None, |
| | connectionstyle=connectionstyle, |
| | ), |
| | ) |
| |
|
| | ax.text(.05, .95, connectionstyle.replace(",", ",\n"), |
| | transform=ax.transAxes, ha="left", va="top") |
| |
|
| |
|
| | fig, axs = plt.subplots(3, 5, figsize=(7, 6.3), layout="constrained") |
| | demo_con_style(axs[0, 0], "angle3,angleA=90,angleB=0") |
| | demo_con_style(axs[1, 0], "angle3,angleA=0,angleB=90") |
| | demo_con_style(axs[0, 1], "arc3,rad=0.") |
| | demo_con_style(axs[1, 1], "arc3,rad=0.3") |
| | demo_con_style(axs[2, 1], "arc3,rad=-0.3") |
| | demo_con_style(axs[0, 2], "angle,angleA=-90,angleB=180,rad=0") |
| | demo_con_style(axs[1, 2], "angle,angleA=-90,angleB=180,rad=5") |
| | demo_con_style(axs[2, 2], "angle,angleA=-90,angleB=10,rad=5") |
| | demo_con_style(axs[0, 3], "arc,angleA=-90,angleB=0,armA=30,armB=30,rad=0") |
| | demo_con_style(axs[1, 3], "arc,angleA=-90,angleB=0,armA=30,armB=30,rad=5") |
| | demo_con_style(axs[2, 3], "arc,angleA=-90,angleB=0,armA=0,armB=40,rad=0") |
| | demo_con_style(axs[0, 4], "bar,fraction=0.3") |
| | demo_con_style(axs[1, 4], "bar,fraction=-0.3") |
| | demo_con_style(axs[2, 4], "bar,angle=180,fraction=-0.2") |
| |
|
| | for ax in axs.flat: |
| | ax.set(xlim=(0, 1), ylim=(0, 1.25), xticks=[], yticks=[], aspect=1.25) |
| | fig.set_constrained_layout_pads(wspace=0, hspace=0, w_pad=0, h_pad=0) |
| |
|
| | plt.show() |
| |
|
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|
