{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "fc72e37e-e3a2-4e75-ad5d-336d24f6a33c",
   "metadata": {},
   "source": [
    "# Venn Diagram"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "5ad691ef-aacf-42ba-8348-635584136c0d",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-01-27T17:13:28.554603Z",
     "iopub.status.busy": "2026-01-27T17:13:28.554525Z",
     "iopub.status.idle": "2026-01-27T17:13:28.557331Z",
     "shell.execute_reply": "2026-01-27T17:13:28.557060Z"
    }
   },
   "outputs": [],
   "source": [
    "from math import sqrt\n",
    "\n",
    "from lets_plot import *"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "6a0e740c-8b41-432c-9577-3d99b2a67583",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-01-27T17:13:28.558384Z",
     "iopub.status.busy": "2026-01-27T17:13:28.558306Z",
     "iopub.status.idle": "2026-01-27T17:13:28.559956Z",
     "shell.execute_reply": "2026-01-27T17:13:28.559727Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "\n",
       "        <div id=\"PwTC8t\"></div>\n",
       "        <script type=\"text/javascript\" data-lets-plot-script=\"library\">\n",
       "            if(!window.letsPlotCallQueue) {\n",
       "                window.letsPlotCallQueue = [];\n",
       "            };\n",
       "            window.letsPlotCall = function(f) {\n",
       "                window.letsPlotCallQueue.push(f);\n",
       "            };\n",
       "            (function() {\n",
       "                var script = document.createElement(\"script\");\n",
       "                script.type = \"text/javascript\";\n",
       "                script.src = \"https://cdn.jsdelivr.net/gh/JetBrains/lets-plot@v4.8.2/js-package/distr/lets-plot.min.js\";\n",
       "                script.onload = function() {\n",
       "                    window.letsPlotCall = function(f) {f();};\n",
       "                    window.letsPlotCallQueue.forEach(function(f) {f();});\n",
       "                    window.letsPlotCallQueue = [];\n",
       "                    \n",
       "                };\n",
       "                script.onerror = function(event) {\n",
       "                    window.letsPlotCall = function(f) {};    // noop\n",
       "                    window.letsPlotCallQueue = [];\n",
       "                    var div = document.createElement(\"div\");\n",
       "                    div.style.color = 'darkred';\n",
       "                    div.textContent = 'Error loading Lets-Plot JS';\n",
       "                    document.getElementById(\"PwTC8t\").appendChild(div);\n",
       "                };\n",
       "                var e = document.getElementById(\"PwTC8t\");\n",
       "                e.appendChild(script);\n",
       "            })()\n",
       "        </script>\n",
       "        "
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "LetsPlot.setup_html()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "dc317cd6-6edf-4c59-9133-3ab25ab3a079",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-01-27T17:13:28.561100Z",
     "iopub.status.busy": "2026-01-27T17:13:28.561016Z",
     "iopub.status.idle": "2026-01-27T17:13:28.563010Z",
     "shell.execute_reply": "2026-01-27T17:13:28.562800Z"
    }
   },
   "outputs": [],
   "source": [
    "r = .5\n",
    "h = r * sqrt(3)/2\n",
    "sets_data = {\n",
    "    'x': [0, r, r/2],\n",
    "    'y': [0, 0, h],\n",
    "    'size': [2*r, 2*r, 2*r],\n",
    "    'color': ['#e24462', '#306998', '#ffe873'],\n",
    "}\n",
    "texts_data = {\n",
    "    'x': [-r/2, r + r/2, r/2, r/2, -r/8, r + r/8, r/2],\n",
    "    'y': [-r/4, -r/4, h + r/2, -3*r/8, 5*r/8, 5*r/8, 5*r/16],\n",
    "    'text': [\"Kotlin\", \"Geospatial\\nVisualization\", \"Grammar\\nof\\nGraphics\", \"ArcGIS\", \"Kandy\", \"ggmap\", \"Lets-Plot\"],\n",
    "    'size': [.4*r]*7,\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "6613d60d-0c7b-47b1-a4e4-5e4710642ae7",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-01-27T17:13:28.564175Z",
     "iopub.status.busy": "2026-01-27T17:13:28.564093Z",
     "iopub.status.idle": "2026-01-27T17:13:28.617100Z",
     "shell.execute_reply": "2026-01-27T17:13:28.616780Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "   <div id=\"qCfJqZ\" ></div>\n",
       "   <script type=\"text/javascript\" data-lets-plot-script=\"plot\">\n",
       "   \n",
       "   (function() {\n",
       "   // ----------\n",
       "   \n",
       "   const forceImmediateRender = false;\n",
       "   const responsive = false;\n",
       "   \n",
       "   let sizing = {\n",
       "       width_mode: \"MIN\",\n",
       "       height_mode: \"SCALED\",\n",
       "       width: null, \n",
       "       height: null \n",
       "   };\n",
       "   \n",
       "   const preferredWidth = document.body.dataset.letsPlotPreferredWidth;\n",
       "   if (preferredWidth !== undefined) {\n",
       "       sizing = {\n",
       "           width_mode: 'FIXED',\n",
       "           height_mode: 'SCALED',\n",
       "           width: parseFloat(preferredWidth)\n",
       "       };\n",
       "   }\n",
       "   \n",
       "   const containerDiv = document.getElementById(\"qCfJqZ\");\n",
       "   let fig = null;\n",
       "   \n",
       "   function renderPlot() {\n",
       "       if (fig === null) {\n",
       "           const plotSpec = {\n",
       "\"mapping\":{\n",
       "},\n",
       "\"data_meta\":{\n",
       "},\n",
       "\"coord\":{\n",
       "\"name\":\"fixed\",\n",
       "\"ratio\":1.0,\n",
       "\"flip\":false\n",
       "},\n",
       "\"ggsize\":{\n",
       "\"width\":600.0,\n",
       "\"height\":600.0\n",
       "},\n",
       "\"theme\":{\n",
       "\"name\":\"classic\",\n",
       "\"line\":\"blank\",\n",
       "\"axis\":\"blank\"\n",
       "},\n",
       "\"kind\":\"plot\",\n",
       "\"scales\":[{\n",
       "\"aesthetic\":\"size\",\n",
       "\"guide\":\"none\",\n",
       "\"scale_mapper_kind\":\"identity\"\n",
       "},{\n",
       "\"aesthetic\":\"fill\",\n",
       "\"guide\":\"none\",\n",
       "\"scale_mapper_kind\":\"identity\"\n",
       "},{\n",
       "\"aesthetic\":\"x\",\n",
       "\"limits\":[-0.5,1.0]\n",
       "},{\n",
       "\"aesthetic\":\"y\",\n",
       "\"limits\":[-0.5,0.9330127018922193]\n",
       "}],\n",
       "\"layers\":[{\n",
       "\"geom\":\"point\",\n",
       "\"data\":{\n",
       "\"x\":[0.0,0.5,0.25],\n",
       "\"y\":[0.0,0.0,0.4330127018922193],\n",
       "\"size\":[1.0,1.0,1.0],\n",
       "\"color\":[\"#e24462\",\"#306998\",\"#ffe873\"]\n",
       "},\n",
       "\"mapping\":{\n",
       "\"x\":\"x\",\n",
       "\"y\":\"y\",\n",
       "\"size\":\"size\",\n",
       "\"fill\":\"color\"\n",
       "},\n",
       "\"tooltips\":\"none\",\n",
       "\"data_meta\":{\n",
       "\"series_annotations\":[{\n",
       "\"type\":\"float\",\n",
       "\"column\":\"x\"\n",
       "},{\n",
       "\"type\":\"float\",\n",
       "\"column\":\"y\"\n",
       "},{\n",
       "\"type\":\"float\",\n",
       "\"column\":\"size\"\n",
       "},{\n",
       "\"type\":\"str\",\n",
       "\"column\":\"color\"\n",
       "}]\n",
       "},\n",
       "\"size_unit\":\"x\",\n",
       "\"shape\":21.0,\n",
       "\"alpha\":0.5,\n",
       "\"color\":\"black\"\n",
       "},{\n",
       "\"geom\":\"text\",\n",
       "\"data\":{\n",
       "\"x\":[-0.25,0.75,0.25,0.25,-0.0625,0.5625,0.25],\n",
       "\"y\":[-0.125,-0.125,0.6830127018922193,-0.1875,0.3125,0.3125,0.15625],\n",
       "\"text\":[\"Kotlin\",\"Geospatial\\nVisualization\",\"Grammar\\nof\\nGraphics\",\"ArcGIS\",\"Kandy\",\"ggmap\",\"Lets-Plot\"],\n",
       "\"size\":[0.2,0.2,0.2,0.2,0.2,0.2,0.2]\n",
       "},\n",
       "\"mapping\":{\n",
       "\"x\":\"x\",\n",
       "\"y\":\"y\",\n",
       "\"label\":\"text\",\n",
       "\"size\":\"size\"\n",
       "},\n",
       "\"data_meta\":{\n",
       "\"series_annotations\":[{\n",
       "\"type\":\"float\",\n",
       "\"column\":\"x\"\n",
       "},{\n",
       "\"type\":\"float\",\n",
       "\"column\":\"y\"\n",
       "},{\n",
       "\"type\":\"str\",\n",
       "\"column\":\"text\"\n",
       "},{\n",
       "\"type\":\"float\",\n",
       "\"column\":\"size\"\n",
       "}]\n",
       "},\n",
       "\"size_unit\":\"x\"\n",
       "}],\n",
       "\"metainfo_list\":[],\n",
       "\"spec_id\":\"1\"\n",
       "};\n",
       "           window.letsPlotCall(function() { fig = LetsPlot.buildPlotFromProcessedSpecs(plotSpec, containerDiv, sizing); });\n",
       "       } else {\n",
       "           fig.updateView({});\n",
       "       }\n",
       "   }\n",
       "   \n",
       "   const renderImmediately = \n",
       "       forceImmediateRender || (\n",
       "           sizing.width_mode === 'FIXED' && \n",
       "           (sizing.height_mode === 'FIXED' || sizing.height_mode === 'SCALED')\n",
       "       );\n",
       "   \n",
       "   if (renderImmediately) {\n",
       "       renderPlot();\n",
       "   }\n",
       "   \n",
       "   if (!renderImmediately || responsive) {\n",
       "       // Set up observer for initial sizing or continuous monitoring\n",
       "       var observer = new ResizeObserver(function(entries) {\n",
       "           for (let entry of entries) {\n",
       "               if (entry.contentBoxSize && \n",
       "                   entry.contentBoxSize[0].inlineSize > 0) {\n",
       "                   if (!responsive && observer) {\n",
       "                       observer.disconnect();\n",
       "                       observer = null;\n",
       "                   }\n",
       "                   renderPlot();\n",
       "                   if (!responsive) {\n",
       "                       break;\n",
       "                   }\n",
       "               }\n",
       "           }\n",
       "       });\n",
       "       \n",
       "       observer.observe(containerDiv);\n",
       "   }\n",
       "   \n",
       "   // ----------\n",
       "   })();\n",
       "   \n",
       "   </script>"
      ],
      "text/plain": [
       "<lets_plot.plot.core.PlotSpec at 0x7633631dd810>"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ggplot() + \\\n",
    "    geom_point(aes('x', 'y', size='size', fill='color'), \\\n",
    "               data=sets_data, size_unit='x', \\\n",
    "               shape=21, alpha=.5, color='black', \\\n",
    "               tooltips='none') + \\\n",
    "    geom_text(aes('x', 'y', label='text', size='size'), \\\n",
    "              data=texts_data, size_unit='x') + \\\n",
    "    scale_size_identity() + scale_fill_identity() + \\\n",
    "    xlim(-r, 2*r) + ylim(-r, h + r) + \\\n",
    "    coord_fixed() + \\\n",
    "    ggsize(600, 600) + \\\n",
    "    theme_void()"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "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",
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  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}