{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "\n# Identify whether artists intersect\n\nThe lines intersecting the rectangle are colored in red, while the others\nare left as blue lines. This example showcases the `.intersects_bbox` function.\n" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": false }, "outputs": [], "source": [ "import matplotlib.pyplot as plt\nimport numpy as np\n\nfrom matplotlib.path import Path\nfrom matplotlib.transforms import Bbox\n\n# Fixing random state for reproducibility\nnp.random.seed(19680801)\n\n\nleft, bottom, width, height = (-1, -1, 2, 2)\nrect = plt.Rectangle((left, bottom), width, height,\n facecolor=\"black\", alpha=0.1)\n\nfig, ax = plt.subplots()\nax.add_patch(rect)\n\nbbox = Bbox.from_bounds(left, bottom, width, height)\n\nfor i in range(12):\n vertices = (np.random.random((2, 2)) - 0.5) * 6.0\n path = Path(vertices)\n if path.intersects_bbox(bbox):\n color = 'r'\n else:\n color = 'b'\n ax.plot(vertices[:, 0], vertices[:, 1], color=color)\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 }