{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "\n# Resize Axes with tight layout\n\n`~.Figure.tight_layout` attempts to resize subplots in a figure so that there\nare no overlaps between Axes objects and labels on the Axes.\n\nSee `tight_layout_guide` for more details and\n`constrainedlayout_guide` for an alternative.\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "import itertools\nimport warnings\n\nimport matplotlib.pyplot as plt\n\nfontsizes = itertools.cycle([8, 16, 24, 32])\n\n\ndef example_plot(ax):\n ax.plot([1, 2])\n ax.set_xlabel('x-label', fontsize=next(fontsizes))\n ax.set_ylabel('y-label', fontsize=next(fontsizes))\n ax.set_title('Title', fontsize=next(fontsizes))" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "fig, ax = plt.subplots()\nexample_plot(ax)\nfig.tight_layout()" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "fig, ((ax1, ax2), (ax3, ax4)) = plt.subplots(nrows=2, ncols=2)\nexample_plot(ax1)\nexample_plot(ax2)\nexample_plot(ax3)\nexample_plot(ax4)\nfig.tight_layout()" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "fig, (ax1, ax2) = plt.subplots(nrows=2, ncols=1)\nexample_plot(ax1)\nexample_plot(ax2)\nfig.tight_layout()" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "fig, (ax1, ax2) = plt.subplots(nrows=1, ncols=2)\nexample_plot(ax1)\nexample_plot(ax2)\nfig.tight_layout()" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "fig, axs = plt.subplots(nrows=3, ncols=3)\nfor ax in axs.flat:\n example_plot(ax)\nfig.tight_layout()" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "plt.figure()\nax1 = plt.subplot(221)\nax2 = plt.subplot(223)\nax3 = plt.subplot(122)\nexample_plot(ax1)\nexample_plot(ax2)\nexample_plot(ax3)\nplt.tight_layout()" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "plt.figure()\nax1 = plt.subplot2grid((3, 3), (0, 0))\nax2 = plt.subplot2grid((3, 3), (0, 1), colspan=2)\nax3 = plt.subplot2grid((3, 3), (1, 0), colspan=2, rowspan=2)\nax4 = plt.subplot2grid((3, 3), (1, 2), rowspan=2)\nexample_plot(ax1)\nexample_plot(ax2)\nexample_plot(ax3)\nexample_plot(ax4)\nplt.tight_layout()" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "fig = plt.figure()\n\ngs1 = fig.add_gridspec(3, 1)\nax1 = fig.add_subplot(gs1[0])\nax2 = fig.add_subplot(gs1[1])\nax3 = fig.add_subplot(gs1[2])\nexample_plot(ax1)\nexample_plot(ax2)\nexample_plot(ax3)\ngs1.tight_layout(fig, rect=[None, None, 0.45, None])\n\ngs2 = fig.add_gridspec(2, 1)\nax4 = fig.add_subplot(gs2[0])\nax5 = fig.add_subplot(gs2[1])\nexample_plot(ax4)\nexample_plot(ax5)\nwith warnings.catch_warnings():\n # gs2.tight_layout cannot handle the subplots from the first gridspec\n # (gs1), so it will raise a warning. We are going to match the gridspecs\n # manually so we can filter the warning away.\n warnings.simplefilter(\"ignore\", UserWarning)\n gs2.tight_layout(fig, rect=[0.45, None, None, None])\n\n# now match the top and bottom of two gridspecs.\ntop = min(gs1.top, gs2.top)\nbottom = max(gs1.bottom, gs2.bottom)\n\ngs1.update(top=top, bottom=bottom)\ngs2.update(top=top, bottom=bottom)\n\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.figure.Figure.tight_layout` /\n `matplotlib.pyplot.tight_layout`\n - `matplotlib.figure.Figure.add_gridspec`\n - `matplotlib.figure.Figure.add_subplot`\n - `matplotlib.pyplot.subplot2grid`\n\n.. tags::\n\n component: axes\n component: subplot\n styling: size\n level: beginner\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 }