{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "\n# Watermark image\n\nOverlay an image on a plot by moving it to the front (``zorder=3``) and making it\nsemi-transparent (``alpha=0.7``).\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "import matplotlib.pyplot as plt\nimport numpy as np\n\nimport matplotlib.cbook as cbook\nimport matplotlib.image as image\n\nwith cbook.get_sample_data('logo2.png') as file:\n im = image.imread(file)\n\nfig, ax = plt.subplots()\n\nnp.random.seed(19680801)\nx = np.arange(30)\ny = x + np.random.randn(30)\nax.bar(x, y, color='#6bbc6b')\nax.grid()\n\nfig.figimage(im, 25, 25, zorder=3, alpha=.7)\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.image`\n - `matplotlib.image.imread` / `matplotlib.pyplot.imread`\n - `matplotlib.figure.Figure.figimage`\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 }