{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "\n# Inverted axis\n\nThis example demonstrates two ways to invert the direction of an axis:\n\n- If you want to set *explicit axis limits* anyway, e.g. via `~.Axes.set_xlim`, you\n can swap the limit values: ``set_xlim(4, 0)`` instead of ``set_xlim(0, 4)``.\n- Use `.Axis.set_inverted` if you only want to invert the axis *without modifying\n the limits*, i.e. keep existing limits or existing autoscaling behavior.\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "import matplotlib.pyplot as plt\nimport numpy as np\n\nx = np.arange(0.01, 4.0, 0.01)\ny = np.exp(-x)\n\nfig, (ax1, ax2) = plt.subplots(1, 2, figsize=(6.4, 4), layout=\"constrained\")\nfig.suptitle('Inverted axis with ...')\n\nax1.plot(x, y)\nax1.set_xlim(4, 0) # inverted fixed limits\nax1.set_title('fixed limits: set_xlim(4, 0)')\nax1.set_xlabel('decreasing x \u27f6')\nax1.grid(True)\n\nax2.plot(x, y)\nax2.xaxis.set_inverted(True) # inverted axis with autoscaling\nax2.set_title('autoscaling: set_inverted(True)')\nax2.set_xlabel('decreasing x \u27f6')\nax2.grid(True)\n\nplt.show()" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ ".. tags::\n\n component: axis\n plot-type: line\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 }