{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "\n# Text alignment\n\nTexts are aligned relative to their anchor point depending on the properties\n``horizontalalignment`` (default: ``left``) and ``verticalalignment``\n(default: ``baseline``.)\n\n.. redirect-from:: /gallery/pyplots/text_layout\n\n.. plot::\n\n import matplotlib.pyplot as plt\n import numpy as np\n\n y = [0.22, 0.34, 0.5, 0.56, 0.78]\n x = [0.17, 0.5, 0.855]\n X, Y = np.meshgrid(x, y)\n\n fig, ax = plt.subplots(figsize=(6, 4), dpi=100)\n ax.set(xlim=(0, 1), ylim=(0, 1), xticks=[], yticks=[])\n ax.spines[:].set_visible(False)\n ax.text(0.5, 0.5, 'plot', fontsize=128, ha='center', va='center', zorder=1)\n ax.hlines(y, x[0], x[-1], color='grey')\n ax.vlines(x, y[0], y[-1], color='grey')\n ax.plot(X.ravel(), Y.ravel(), 'o')\n pad_x = 0.02\n pad_y = 0.04\n ax.text(x[0] - pad_x, y[0], 'bottom', ha='right', va='center')\n ax.text(x[0] - pad_x, y[1], 'baseline', ha='right', va='center')\n ax.text(x[0] - pad_x, y[2], 'center', ha='right', va='center')\n ax.text(x[0] - pad_x, y[3], 'center_baseline', ha='right', va='center')\n ax.text(x[0] - pad_x, y[4], 'top', ha='right', va='center')\n ax.text(x[0], y[0] - pad_y, 'left', ha='center', va='top')\n ax.text(x[1], y[0] - pad_y, 'center', ha='center', va='top')\n ax.text(x[2], y[0] - pad_y, 'right', ha='center', va='top')\n ax.set_xlabel('horizontalalignment', fontsize=14)\n ax.set_ylabel('verticalalignment', fontsize=14, labelpad=35)\n ax.set_title(\n 'Relative position of text anchor point depending on alignment')\n plt.show()\n" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "The following plot uses this to align text relative to a plotted rectangle.\n\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "import matplotlib.pyplot as plt\n\nfig, ax = plt.subplots()\n\n# Build a rectangle in axes coords\nleft, width = .25, .5\nbottom, height = .25, .5\nright = left + width\ntop = bottom + height\np = plt.Rectangle((left, bottom), width, height, fill=False)\np.set_transform(ax.transAxes)\np.set_clip_on(False)\nax.add_patch(p)\n\nax.text(left, bottom, 'left top',\n horizontalalignment='left',\n verticalalignment='top',\n transform=ax.transAxes)\n\nax.text(left, bottom, 'left bottom',\n horizontalalignment='left',\n verticalalignment='bottom',\n transform=ax.transAxes)\n\nax.text(right, top, 'right bottom',\n horizontalalignment='right',\n verticalalignment='bottom',\n transform=ax.transAxes)\n\nax.text(right, top, 'right top',\n horizontalalignment='right',\n verticalalignment='top',\n transform=ax.transAxes)\n\nax.text(right, bottom, 'center top',\n horizontalalignment='center',\n verticalalignment='top',\n transform=ax.transAxes)\n\nax.text(left, 0.5 * (bottom + top), 'right center',\n horizontalalignment='right',\n verticalalignment='center',\n rotation='vertical',\n transform=ax.transAxes)\n\nax.text(left, 0.5 * (bottom + top), 'left center',\n horizontalalignment='left',\n verticalalignment='center',\n rotation='vertical',\n transform=ax.transAxes)\n\nax.text(0.5 * (left + right), 0.5 * (bottom + top), 'middle',\n horizontalalignment='center',\n verticalalignment='center',\n transform=ax.transAxes)\n\nax.text(right, 0.5 * (bottom + top), 'centered',\n horizontalalignment='center',\n verticalalignment='center',\n rotation='vertical',\n transform=ax.transAxes)\n\nax.text(left, top, 'rotated\\nwith newlines',\n horizontalalignment='center',\n verticalalignment='center',\n rotation=45,\n transform=ax.transAxes)\n\nax.set_axis_off()\n\nplt.show()" ] } ], "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 }