diff --git a/galleries/examples/text_labels_and_annotations/fancyarrow_demo.py b/galleries/examples/text_labels_and_annotations/fancyarrow_demo.py index 4f45a9a72a47..6a2700d20515 100644 --- a/galleries/examples/text_labels_and_annotations/fancyarrow_demo.py +++ b/galleries/examples/text_labels_and_annotations/fancyarrow_demo.py @@ -3,7 +3,11 @@ Annotation arrow style reference ================================ -Overview of the arrow styles available in `~.Axes.annotate`. +Overview of the available `.ArrowStyle` settings. These are used for the *arrowstyle* +parameter of `~.Axes.annotate` and `.FancyArrowPatch`. + +Each style can be configured with a set of parameters, which are stated along with +their default values. """ import inspect @@ -12,38 +16,38 @@ import matplotlib.pyplot as plt -import matplotlib.patches as mpatches +from matplotlib.patches import ArrowStyle -styles = mpatches.ArrowStyle.get_styles() +styles = ArrowStyle.get_styles() ncol = 2 nrow = (len(styles) + 1) // ncol -axs = (plt.figure(figsize=(4 * ncol, 1 + nrow)) - .add_gridspec(1 + nrow, ncol, - wspace=0, hspace=0, left=0, right=1, bottom=0, top=1).subplots()) +gridspec_kw = dict(wspace=0, hspace=0.05, left=0, right=1, bottom=0, top=1) +fig, axs = plt.subplots(1 + nrow, ncol, + figsize=(4 * ncol, 1 + nrow), gridspec_kw=gridspec_kw) for ax in axs.flat: - ax.set_xlim(-0.5, 4) + ax.set_xlim(-0.1, 4) ax.set_axis_off() for ax in axs[0, :]: - ax.text(-0.25, 0.5, "arrowstyle", size="large", color="tab:blue") - ax.text(1.25, .5, "default parameters", size="large") + ax.text(0, 0.5, "arrowstyle", size="large", color="tab:blue") + ax.text(1.4, .5, "default parameters", size="large") for ax, (stylename, stylecls) in zip(axs[1:, :].T.flat, styles.items()): # draw dot and annotation with arrowstyle - l, = ax.plot(1, 0, "o", color="grey") - ax.annotate(stylename, (1, 0), (0, 0), - size="large", color="tab:blue", ha="center", va="center", + l, = ax.plot(1.25, 0, "o", color="darkgrey") + ax.annotate(stylename, (1.25, 0), (0, 0), + size="large", color="tab:blue", va="center", family="monospace", arrowprops=dict( - arrowstyle=stylename, connectionstyle="arc3,rad=-0.05", - color="k", shrinkA=5, shrinkB=5, patchB=l, + arrowstyle=stylename, connectionstyle="arc3,rad=0", + color="black", shrinkA=5, shrinkB=5, patchB=l, ), - bbox=dict(boxstyle="square", fc="w", ec="grey")) + bbox=dict(boxstyle="square", fc="w", ec="darkgrey")) # draw default parameters # wrap at every nth comma (n = 1 or 2, depending on text length) s = str(inspect.signature(stylecls))[1:-1] n = 2 if s.count(',') > 3 else 1 - ax.text(1.25, 0, + ax.text(1.4, 0, re.sub(', ', lambda m, c=itertools.count(1): m.group() if next(c) % n else '\n', s), - verticalalignment="center") + verticalalignment="center", color="0.3") plt.show()