{ "cells": [ { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "%matplotlib inline" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "# Read Image Files\n\nRead and plot image files (JPEG, TIFF, PNG, etc).\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "from pyvista import examples" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "PyVista fully supports reading images into their own spatially\nreferenced data objects (this example) as well as supports texture\nmapping of images onto datasets (see `texture_example`{.interpreted-text\nrole=\"ref\"}).\n\nDownload a JPEG image of a puppy and load it to\n`pyvista.ImageData`{.interpreted-text role=\"class\"}. This could\nsimilarly be implemented with any image file by using the\n`pyvista.read`{.interpreted-text role=\"func\"} function and passing the\npath to the image file.\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "image = examples.download_puppy()\n# or...\n# image = pv.read('my_image.jpg')" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "When plotting images stored in `pyvista.ImageData`{.interpreted-text\nrole=\"class\"} objects, it is important to specify using the\n[rgb]{.title-ref} option when plotting to ensure that the image\\'s true\ncolors are used and not mapped.\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "# True image colors\nimage.plot(rgb=True, cpos=\"xy\")" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "# Mapped image colors\nimage.plot(cpos=\"xy\")" ] } ], "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": "3.12.2" } }, "nbformat": 4, "nbformat_minor": 0 }