{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "\n# Annotating a plot\n\nThis example shows how to annotate a plot with an arrow pointing to provided\ncoordinates. We modify the defaults of the arrow, to \"shrink\" it.\n\nFor a complete overview of the annotation capabilities, also see the\n`annotation tutorial`.\n\n.. redirect-from:: /gallery/pyplots/annotation_basic\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "import matplotlib.pyplot as plt\nimport numpy as np\n\nfig, ax = plt.subplots()\n\nt = np.arange(0.0, 5.0, 0.01)\ns = np.cos(2*np.pi*t)\nline, = ax.plot(t, s, lw=2)\n\nax.annotate('local max', xy=(2, 1), xytext=(3, 1.5),\n arrowprops=dict(facecolor='black', shrink=0.05),\n )\nax.set_ylim(-2, 2)\nplt.show()" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ ".. admonition:: References\n\n The use of the following functions, methods, classes and modules is shown\n in this example:\n\n - `matplotlib.axes.Axes.annotate` / `matplotlib.pyplot.annotate`\n\n" ] } ], "metadata": { "kernelspec": { "display_name": "Python 3", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.13.2" } }, "nbformat": 4, "nbformat_minor": 0 }