kotlin/vehicle-routing.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "source": [
    "# Vehicle routing with Timefold in a Kotlin notebook\n",
    "\n",
    "This notebook solves a simple Capacitated Vehicle Routing Problem (CVRP) in Kotlin with Timefold, the open source solver AI.\n",
    "\n",
    "Input:\n",
    "* A set of visits with a location and a load\n",
    "* A set of vehicles with a home location and a capacity\n",
    "\n",
    "Output:\n",
    "* Each visit assigned to a vehicle\n",
    "* Per vehicle the order in which to travel to the visits assigned to it\n",
    "\n",
    "Constraints:\n",
    "* Hard: Do not exceed the capacity of each visit.\n",
    "* Soft: Minimize the travel distance.\n",
    "\n",
    "## Dependencies\n",
    "\n",
    "Let's use Timefold to optimize the vehicle routing problem and jackson to read the input JSON file:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "@file:DependsOn(\"ai.timefold.solver:timefold-solver-core:1.10.0\")\n",
    "@file:DependsOn(\"com.fasterxml.jackson.module:jackson-module-kotlin:2.16.1\")"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:49:30.743256Z",
     "start_time": "2024-05-24T10:49:30.417344Z"
    }
   },
   "outputs": [],
   "execution_count": 1
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Data classes\n",
    "\n",
    "### Location\n",
    "\n",
    "A location is a point on the earth, specified by a latitude and a longitude:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "import com.fasterxml.jackson.annotation.JsonFormat\n",
    "\n",
    "@JsonFormat(shape = JsonFormat.Shape.ARRAY)\n",
    "data class Location(\n",
    "    val latitude: Double,\n",
    "    val longitude: Double) {\n",
    "    \n",
    "    fun calcEuclideanDistanceTo(other: Location): Double {\n",
    "        val xDifference = latitude - other.latitude\n",
    "        val yDifference = longitude - other.longitude\n",
    "        return Math.sqrt(xDifference * xDifference + yDifference * yDifference)\n",
    "    }\n",
    "    \n",
    "}"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:49:31.020825Z",
     "start_time": "2024-05-24T10:49:30.744708Z"
    }
   },
   "outputs": [],
   "execution_count": 2
  },
  {
   "cell_type": "markdown",
   "source": [
    "### Visit\n",
    "\n",
    "Each visit has a name, a location and a load to be delivered:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "import java.time.Duration\n",
    "\n",
    "data class Visit(\n",
    "    val name: String,\n",
    "    val location: Location,\n",
    "    val load: Int) {\n",
    "\n",
    "    override fun toString(): String = name\n",
    "}"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:49:31.081443Z",
     "start_time": "2024-05-24T10:49:31.022363Z"
    }
   },
   "outputs": [],
   "execution_count": 3
  },
  {
   "cell_type": "markdown",
   "source": [
    "### Vehicle\n",
    "\n",
    "Each vehicle has a name, a home location and a capacity.\n",
    "\n",
    "The solver assigns each visit to a vehicle and decides the best order of the visits per vehicle.\n",
    "Therefor, the `Vehicle` class is a `@PlanningEntity`, because it changes during solving.\n",
    "Its `visits` field is a `@PlanningListVariable`, because the solver fills it in.\n"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "import ai.timefold.solver.core.api.domain.entity.PlanningEntity\n",
    "import ai.timefold.solver.core.api.domain.variable.PlanningListVariable\n",
    "\n",
    "\n",
    "@PlanningEntity\n",
    "data class Vehicle(\n",
    "    val name: String,\n",
    "    val homeLocation: Location,\n",
    "    val capacity: Int) {\n",
    "\n",
    "    @PlanningListVariable\n",
    "    var visits: MutableList<Visit> = ArrayList()\n",
    "    \n",
    "    // No-arg constructor required for Timefold\n",
    "    constructor() : this(\"\", Location(0.0, 0.0), 0)\n",
    "\n",
    "    override fun toString(): String = name\n",
    "}"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:49:31.198079Z",
     "start_time": "2024-05-24T10:49:31.084734Z"
    }
   },
   "outputs": [],
   "execution_count": 4
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Constraints\n",
    "\n",
    "There are hard and soft constraints:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "import ai.timefold.solver.core.api.score.buildin.hardsoftlong.HardSoftLongScore\n",
    "import ai.timefold.solver.core.api.score.stream.Constraint\n",
    "import ai.timefold.solver.core.api.score.stream.ConstraintFactory\n",
    "import ai.timefold.solver.core.api.score.stream.ConstraintProvider\n",
    "import ai.timefold.solver.core.api.score.stream.Joiners\n",
    "import java.time.Duration\n",
    "\n",
    "class VehicleRoutingConstraintProvider : ConstraintProvider {\n",
    "\n",
    "    override fun defineConstraints(constraintFactory: ConstraintFactory): Array<Constraint>? {\n",
    "        return arrayOf(\n",
    "            // Hard constraints\n",
    "            capacity(constraintFactory),\n",
    "            // Soft constraints\n",
    "            minimizeDistance(constraintFactory)\n",
    "        )\n",
    "    }\n",
    "    \n",
    "    fun capacity(constraintFactory: ConstraintFactory): Constraint {\n",
    "        // TODO Not the most efficient implementation\n",
    "        return constraintFactory\n",
    "            .forEach(Vehicle::class.java)\n",
    "            .expand({ vehicle -> vehicle.visits.sumOf { it.load } })\n",
    "            .filter({ vehicle, load -> load > vehicle.capacity })\n",
    "            .penalizeLong(HardSoftLongScore.ONE_HARD,\n",
    "                { vehicle, load -> (load - vehicle.capacity).toLong() })\n",
    "            .asConstraint(\"vehicle-routing\", \"Capacity\");\n",
    "    }\n",
    "    \n",
    "    fun minimizeDistance(constraintFactory: ConstraintFactory): Constraint {\n",
    "        // TODO Not the most efficient implementation\n",
    "        return constraintFactory\n",
    "            .forEach(Vehicle::class.java)\n",
    "            .penalizeLong(HardSoftLongScore.ONE_SOFT, { vehicle ->\n",
    "                var distance: Double = 0.0\n",
    "                var previousLocation: Location = vehicle.homeLocation\n",
    "                for (visit in vehicle.visits) {\n",
    "                    distance += previousLocation.calcEuclideanDistanceTo(visit.location)\n",
    "                    previousLocation = visit.location\n",
    "                }\n",
    "                distance += previousLocation.calcEuclideanDistanceTo(vehicle.homeLocation)\n",
    "                (distance * 1_000_000.0).toLong()\n",
    "            })\n",
    "            .asConstraint(\"vehicle-routing\", \"Minimize distance\");\n",
    "    }\n",
    "\n",
    "}"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:49:31.635807Z",
     "start_time": "2024-05-24T10:49:31.200369Z"
    }
   },
   "outputs": [],
   "execution_count": 5
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Schedule\n",
    "\n",
    "The `Schedule` class holds the entire dataset.\n",
    "It contains the list of all vehicles (the entities the solver must fill in) and a list of all visits (the values it needs to assign to those entities)."
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "import ai.timefold.solver.core.api.domain.solution.PlanningEntityCollectionProperty\n",
    "import ai.timefold.solver.core.api.domain.solution.PlanningScore\n",
    "import ai.timefold.solver.core.api.domain.solution.PlanningSolution\n",
    "import ai.timefold.solver.core.api.domain.solution.ProblemFactCollectionProperty\n",
    "import ai.timefold.solver.core.api.domain.valuerange.ValueRangeProvider\n",
    "import ai.timefold.solver.core.api.score.buildin.hardsoftlong.HardSoftLongScore\n",
    "\n",
    "\n",
    "@PlanningSolution\n",
    "data class Schedule(\n",
    "    val name: String,\n",
    "    @PlanningEntityCollectionProperty\n",
    "    val vehicles: List<Vehicle>,\n",
    "    @ProblemFactCollectionProperty\n",
    "    @ValueRangeProvider\n",
    "    val visits: List<Visit>) {\n",
    "\n",
    "    @PlanningScore\n",
    "    var score: HardSoftLongScore? = null\n",
    "\n",
    "    // No-arg constructor required for Timefold\n",
    "    constructor() : this(\"\", emptyList(), emptyList())\n",
    "\n",
    "}"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:49:31.704186Z",
     "start_time": "2024-05-24T10:49:31.637883Z"
    }
   },
   "outputs": [],
   "execution_count": 6
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Read the input data\n",
    "\n",
    "Read the input dataset from a JSON file into a `Schedule` instance:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "import java.io.File\n",
    "import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper\n",
    "import com.fasterxml.jackson.module.kotlin.readValue\n",
    "\n",
    "val mapper = jacksonObjectMapper()\n",
    "val problem: Schedule =  mapper.readValue(File(\"vehicle-routing-data.json\"))"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:49:31.873254Z",
     "start_time": "2024-05-24T10:49:31.705418Z"
    }
   },
   "outputs": [],
   "execution_count": 7
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Solve\n",
    "\n",
    "Let's solve for 30 seconds:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "import ai.timefold.solver.core.config.solver.SolverConfig\n",
    "import ai.timefold.solver.core.api.solver.SolverFactory\n",
    "import ai.timefold.solver.core.api.solver.Solver\n",
    "\n",
    "val solverFactory: SolverFactory<Schedule> = SolverFactory.create(SolverConfig()\n",
    "        .withSolutionClass(Schedule::class.java)\n",
    "        .withEntityClasses(Vehicle::class.java)\n",
    "        .withConstraintProviderClass(VehicleRoutingConstraintProvider::class.java)\n",
    "        // The solver runs only for 5 seconds on this small dataset.\n",
    "        // It's recommended to run for at least 5 minutes (\"5m\") otherwise.\n",
    "        .withTerminationSpentLimit(Duration.ofSeconds(30)))\n",
    "\n",
    "println(\"Solving the problem ...\")\n",
    "val solver: Solver<Schedule> = solverFactory.buildSolver()\n",
    "val solution: Schedule = solver.solve(problem)\n",
    "println(\"Solving finished with score (${solution.score}).\")"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:50:02.057731Z",
     "start_time": "2024-05-24T10:49:31.874886Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Solving the problem ...\n",
      "Solving finished with score (0hard/-24094376soft).\n"
     ]
    }
   ],
   "execution_count": 8
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Print the schedule\n",
    "\n",
    "Print the visits per vehicle:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "HTML(buildString {\n",
    "    append(\"<p style='font-size: x-large'>Score: ${solution.score}</p>\")\n",
    "    append(\"<ul>\")\n",
    "    for (vehicle in solution.vehicles) {\n",
    "        append(\"<li>${vehicle.name}: ${vehicle.visits.joinToString(\", \")}</li>\")\n",
    "    }\n",
    "    append(\"</ul>\")\n",
    "})"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:50:02.155083Z",
     "start_time": "2024-05-24T10:50:02.058480Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<p style='font-size: x-large'>Score: 0hard/-24094376soft</p><ul><li>Vehicle A: JURBISE, CHIEVRES, MAFFLE, GONDREGNIES, PEPINGEN</li><li>Vehicle B: KOMEN, ELVERDINGE, RENINGE, BULSKAMP, LISSEWEGE, DAMME, LANDEGEM, NIEUWKERKEN-WAAS</li><li>Vehicle C: LES_BONS_VILLERS, HEPPIGNIES, ORET, MONT_NAM., EVELETTE, WARNANT-DREYE</li><li>Vehicle D: FONTAINE-L'EVEQUE, SOMZEE, SAINT-MARTIN, VOSSEM</li><li>Vehicle E: OLLIGNIES, MAULDE, GUIGNIES, BAVIKHOVE, WETTEREN</li><li>Vehicle F: DONSTIENNES, BOURLERS, BERSILLIES-L'ABBAYE, NAAST, SINT-KWINTENS-LENNIK</li><li>Vehicle G: AVE-ET-AUFFE, POUPEHAN, VAUX-LEZ-ROSIERES, SELANGE, TAILLES, ANTHISNES</li><li>Vehicle H: HUMBEEK, HOFSTADE_BT., HAREN_BRUSSEL</li><li>Vehicle I: GELINDEN, VILLERS-L'EVEQUE, ROSMEER, MERKSPLAS</li><li>Vehicle J: TILFF, XHENDELESSE, BLERET</li></ul>"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 9
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Visualization\n",
    "\n",
    "Visualize the solution:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "%use lets-plot\n",
    "%use lets-plot-gt"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:50:05.991903Z",
     "start_time": "2024-05-24T10:50:02.155863Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "   <div id=\"eBIbmy\"></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@v4.3.0/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",
       "           };\n",
       "           script.onerror = function(event) {\n",
       "               window.letsPlotCall = function(f) {};\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(\"eBIbmy\").appendChild(div);\n",
       "           };\n",
       "           var e = document.getElementById(\"eBIbmy\");\n",
       "           e.appendChild(script);\n",
       "       })();\n",
       "   </script>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "execution_count": 10
  },
  {
   "cell_type": "markdown",
   "source": [
    "### Map"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "val locations = mutableListOf<Location>()\n",
    "solution.vehicles.forEach { vehicle ->\n",
    "    locations.add(vehicle.homeLocation)\n",
    "    locations.addAll(vehicle.visits.map { it.location })\n",
    "    locations.add(vehicle.homeLocation)\n",
    "}\n",
    "\n",
    "val dataset = mapOf(\n",
    "        \"latitude\" to locations.map { it.latitude },\n",
    "        \"longitude\" to locations.map { it.longitude },\n",
    ")\n",
    "\n",
    "print(\"The notebook must be trusted for the map to render.\")\n",
    "letsPlot(dataset) + geomPath() { x = \"longitude\"; y = \"latitude\" }"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:50:06.256328Z",
     "start_time": "2024-05-24T10:50:05.993708Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The notebook must be trusted for the map to render."
     ]
    },
    {
     "data": {
      "text/html": [
       "   <div id=\"xoCWmZ\"></div>\n",
       "   <script type=\"text/javascript\" data-lets-plot-script=\"plot\">\n",
       "       (function() {\n",
       "           var plotSpec={\n",
       "\"mapping\":{\n",
       "},\n",
       "\"data\":{\n",
       "\"latitude\":[50.8427501,50.5208191,50.5661351,50.6200815,50.6271045,50.7360287,50.8427501,50.8427501,50.77614,50.8848669,50.9477884,51.0432467,51.2948381,51.2365829,51.0566021,51.1936164,50.8427501,50.8427501,50.5427462,50.4814121,50.2998711,50.3534706,50.411922,50.5951652,50.8427501,50.8427501,50.4100558,50.2950667,50.5009515,50.8346073,50.8427501,50.8427501,50.6876172,50.6165736,50.5499808,50.8753581,51.0005742,50.8427501,50.8427501,50.2849958,50.025208,50.2624949,50.5504316,50.8068661,50.8427501,50.8427501,50.1085676,49.8122243,49.9102794,49.6096472,50.2273877,50.4812987,50.8427501,50.8427501,50.9667658,50.9912912,50.8919578,50.8427501,50.8427501,50.7670559,50.7044254,50.8460854,51.361787,50.8427501,50.8427501,50.5695196,50.6061517,50.688785,50.8427501],\n",
       "\"longitude\":[4.3515499,3.9017078,3.7853169,3.8018102,3.9115699,4.1360863,4.3515499,4.3515499,3.007366,2.8162074,2.7891722,2.6501345,3.1994146,3.3400765,3.573045,4.1787815,4.3515499,4.3515499,4.4476802,4.4932598,4.6155651,4.9014191,5.173705,5.2276287,4.3515499,4.3515499,4.3249526,4.4831638,4.6473657,4.557627,4.3515499,4.3515499,3.8574228,3.5470846,3.3727285,3.3113744,3.8693544,4.3515499,4.3515499,4.3106966,4.3409814,4.1523037,4.0964803,4.1538281,4.3515499,4.3515499,5.1429583,5.0029,5.5659053,5.8560275,5.7437507,5.5198048,4.3515499,4.3515499,4.3834362,4.492735,4.4182942,4.3515499,4.3515499,5.2628934,5.4399729,5.5750235,4.861625,4.3515499,4.3515499,5.5844061,5.7830075,5.2859129,4.3515499]\n",
       "},\n",
       "\"kind\":\"plot\",\n",
       "\"scales\":[],\n",
       "\"layers\":[{\n",
       "\"mapping\":{\n",
       "\"x\":\"longitude\",\n",
       "\"y\":\"latitude\"\n",
       "},\n",
       "\"stat\":\"identity\",\n",
       "\"position\":\"identity\",\n",
       "\"geom\":\"path\",\n",
       "\"data\":{\n",
       "}\n",
       "}]\n",
       "};\n",
       "           var plotContainer = document.getElementById(\"xoCWmZ\");\n",
       "           window.letsPlotCall(function() {{\n",
       "               LetsPlot.buildPlotFromProcessedSpecs(plotSpec, -1, -1, plotContainer);\n",
       "           }});\n",
       "       })();\n",
       "   </script>"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 11
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Statistics\n",
    "\n",
    "For a big dataset, a schedule visualization is often too verbose.\n",
    "Let's visualize the solution through statistics:"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "%use kandy"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:50:08.073844Z",
     "start_time": "2024-05-24T10:50:06.257297Z"
    }
   },
   "outputs": [],
   "execution_count": 12
  },
  {
   "cell_type": "markdown",
   "source": [
    "### Visits per vehicle"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "val vehicles = solution.vehicles.map { it.name }\n",
    "val visitCounts = solution.vehicles.map { it.visits.size }\n",
    "\n",
    "plot {\n",
    "    layout.title = \"Visits per vehicle\"\n",
    "    bars {\n",
    "        x(vehicles) { axis.name = \"Vehicle\" }\n",
    "        y(visitCounts) { axis.name = \"Visits\" }\n",
    "    }\n",
    "}"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:50:08.374687Z",
     "start_time": "2024-05-24T10:50:08.075015Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "            <iframe src='about:blank' style='border:none !important;' width='600' height='400' srcdoc=\"&lt;html lang=&quot;en&quot;>\n",
       "   &lt;head>\n",
       "       &lt;meta charset=&quot;UTF-8&quot;>\n",
       "       &lt;style> html, body { margin: 0; overflow: hidden; } &lt;/style>\n",
       "       &lt;script type=&quot;text/javascript&quot; data-lets-plot-script=&quot;library&quot; src=&quot;https://cdn.jsdelivr.net/gh/JetBrains/lets-plot@v4.2.0/js-package/distr/lets-plot.min.js&quot;>&lt;/script>\n",
       "   &lt;/head>\n",
       "   &lt;body>\n",
       "          &lt;div id=&quot;tpMRrz&quot;>&lt;/div>\n",
       "   &lt;script type=&quot;text/javascript&quot; data-lets-plot-script=&quot;plot&quot;>\n",
       "       var plotSpec={\n",
       "&quot;ggtitle&quot;:{\n",
       "&quot;text&quot;:&quot;Visits per vehicle&quot;\n",
       "},\n",
       "&quot;mapping&quot;:{\n",
       "},\n",
       "&quot;data&quot;:{\n",
       "},\n",
       "&quot;kind&quot;:&quot;plot&quot;,\n",
       "&quot;scales&quot;:[{\n",
       "&quot;aesthetic&quot;:&quot;x&quot;,\n",
       "&quot;discrete&quot;:true,\n",
       "&quot;name&quot;:&quot;Vehicle&quot;\n",
       "},{\n",
       "&quot;aesthetic&quot;:&quot;y&quot;,\n",
       "&quot;name&quot;:&quot;Visits&quot;,\n",
       "&quot;limits&quot;:[null,null]\n",
       "}],\n",
       "&quot;layers&quot;:[{\n",
       "&quot;mapping&quot;:{\n",
       "&quot;x&quot;:&quot;x&quot;,\n",
       "&quot;y&quot;:&quot;y&quot;\n",
       "},\n",
       "&quot;stat&quot;:&quot;identity&quot;,\n",
       "&quot;data&quot;:{\n",
       "&quot;x&quot;:[&quot;Vehicle A&quot;,&quot;Vehicle B&quot;,&quot;Vehicle C&quot;,&quot;Vehicle D&quot;,&quot;Vehicle E&quot;,&quot;Vehicle F&quot;,&quot;Vehicle G&quot;,&quot;Vehicle H&quot;,&quot;Vehicle I&quot;,&quot;Vehicle J&quot;],\n",
       "&quot;y&quot;:[5.0,8.0,6.0,4.0,5.0,5.0,6.0,3.0,4.0,3.0]\n",
       "},\n",
       "&quot;sampling&quot;:&quot;none&quot;,\n",
       "&quot;position&quot;:&quot;dodge&quot;,\n",
       "&quot;geom&quot;:&quot;bar&quot;\n",
       "}]\n",
       "};\n",
       "       var plotContainer = document.getElementById(&quot;tpMRrz&quot;);\n",
       "       LetsPlot.buildPlotFromProcessedSpecs(plotSpec, -1, -1, plotContainer);\n",
       "   &lt;/script>\n",
       "   &lt;/body>\n",
       "&lt;/html>\"></iframe>            <svg xmlns=\"http:https://www.w3.org/2000/svg\" xmlns:xlink=\"http:https://www.w3.org/1999/xlink\" class=\"plt-container\" id=8cea893e-aef2-4795-9bd5-2879dde812ba width=\"100%\" height=\"100%\" style=\"max-width: 600.0px; max-height: 400.0px;\" viewBox=\"0 0 600.0 400.0\" preserveAspectRatio=\"xMinYMin meet\">\n",
       "  <style type=\"text/css\">\n",
       "  .plt-container {\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   user-select: none;\n",
       "   -webkit-user-select: none;\n",
       "   -moz-user-select: none;\n",
       "   -ms-user-select: none;\n",
       "}\n",
       "text {\n",
       "   text-rendering: optimizeLegibility;\n",
       "}\n",
       "#pow7nkZ .plot-title {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 16.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .plot-subtitle {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 15.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .plot-caption {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .legend-title {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 15.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .legend-item {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .axis-title-x {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 15.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .axis-text-x {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dBeIBoj .axis-tooltip-text-x {\n",
       "   fill: #ffffff;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .axis-title-y {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 15.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .axis-text-y {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dBeIBoj .axis-tooltip-text-y {\n",
       "   fill: #ffffff;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .facet-strip-text-x {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#pow7nkZ .facet-strip-text-y {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dBeIBoj .tooltip-text {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dBeIBoj .tooltip-title {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: bold;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dBeIBoj .tooltip-label {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: bold;\n",
       "   font-style: normal;   \n",
       "}\n",
       "\n",
       "  </style>\n",
       "  <g id=\"pow7nkZ\">\n",
       "    <path fill-rule=\"evenodd\" fill=\"rgb(255,255,255)\" fill-opacity=\"1.0\" d=\"M0.0 0.0 L0.0 400.0 L600.0 400.0 L600.0 0.0 Z\">\n",
       "    </path>\n",
       "    <g transform=\"translate(23.0 34.0 ) \">\n",
       "      <g transform=\"translate(13.980605455468202 0.0 ) \">\n",
       "        <line x1=\"34.89928217999473\" y1=\"264.6440659298154\" x2=\"34.89928217999473\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"88.59048553383278\" y1=\"264.6440659298154\" x2=\"88.59048553383278\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"142.2816888876708\" y1=\"264.6440659298154\" x2=\"142.2816888876708\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"195.97289224150887\" y1=\"264.6440659298154\" x2=\"195.97289224150887\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"249.6640955953469\" y1=\"264.6440659298154\" x2=\"249.6640955953469\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"303.35529894918494\" y1=\"264.6440659298154\" x2=\"303.35529894918494\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"357.046502303023\" y1=\"264.6440659298154\" x2=\"357.046502303023\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"410.737705656861\" y1=\"264.6440659298154\" x2=\"410.737705656861\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"464.42890901069904\" y1=\"264.6440659298154\" x2=\"464.42890901069904\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"518.1201123645371\" y1=\"264.6440659298154\" x2=\"518.1201123645371\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "      </g>\n",
       "      <g transform=\"translate(13.980605455468202 0.0 ) \">\n",
       "        <line x1=\"0.0\" y1=\"201.63357404176412\" x2=\"553.0193945445318\" y2=\"201.63357404176412\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"0.0\" y1=\"138.62308215371283\" x2=\"553.0193945445318\" y2=\"138.62308215371283\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"0.0\" y1=\"75.61259026566154\" x2=\"553.0193945445318\" y2=\"75.61259026566154\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"0.0\" y1=\"12.602098377610275\" x2=\"553.0193945445318\" y2=\"12.602098377610275\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "      </g>\n",
       "      <g transform=\"translate(13.980605455468202 0.0 ) \" clip-path=\"url(#cygvVFC)\" clip-bounds-jfx=\"[rect (0.0, 0.0), (553.0193945445318, 264.6440659298154)]\">\n",
       "        <defs>\n",
       "          <clipPath id=\"cygvVFC\">\n",
       "            <rect x=\"0.0\" y=\"0.0\" width=\"553.0193945445318\" height=\"264.6440659298154\">\n",
       "            </rect>\n",
       "          </clipPath>\n",
       "        </defs>\n",
       "        <rect x=\"493.95907085531\" y=\"170.12832809773846\" height=\"94.51573783207692\" width=\"48.32208301845429\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"440.2678675014719\" y=\"138.62308215371283\" height=\"126.02098377610255\" width=\"48.32208301845418\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"386.5766641476339\" y=\"170.12832809773846\" height=\"94.51573783207692\" width=\"48.32208301845424\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"332.88546079379586\" y=\"75.61259026566154\" height=\"189.03147566415385\" width=\"48.32208301845424\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"279.1942574399578\" y=\"107.1178362096872\" height=\"157.52622972012819\" width=\"48.32208301845424\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"225.5030540861198\" y=\"107.1178362096872\" height=\"157.52622972012819\" width=\"48.32208301845424\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"171.8118507322817\" y=\"138.62308215371283\" height=\"126.02098377610255\" width=\"48.32208301845424\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"118.12064737844369\" y=\"75.61259026566154\" height=\"189.03147566415385\" width=\"48.322083018454265\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"64.42944402460566\" y=\"12.602098377610275\" height=\"252.0419675522051\" width=\"48.32208301845424\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"10.73824067076761\" y=\"107.1178362096872\" height=\"157.52622972012819\" width=\"48.32208301845424\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "      </g>\n",
       "      <g transform=\"translate(13.980605455468202 264.6440659298154 ) \">\n",
       "        <g transform=\"translate(34.89928217999473 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle A</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(88.59048553383278 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle B</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(142.2816888876708 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle C</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(195.97289224150887 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle D</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(249.6640955953469 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle E</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(303.35529894918494 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle F</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(357.046502303023 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle G</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(410.737705656861 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle H</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(464.42890901069904 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle I</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(518.1201123645371 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle J</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <line x1=\"0.0\" y1=\"0.0\" x2=\"553.0193945445318\" y2=\"0.0\" stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\">\n",
       "        </line>\n",
       "      </g>\n",
       "      <g transform=\"translate(13.980605455468202 0.0 ) \">\n",
       "        <g transform=\"translate(0.0 264.6440659298154 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>0</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 201.63357404176412 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>2</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 138.62308215371283 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>4</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 75.61259026566154 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>6</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 12.602098377610275 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>8</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "      </g>\n",
       "    </g>\n",
       "    <g transform=\"translate(36.9806054554682 15.2 ) \">\n",
       "      <text class=\"plot-title\" y=\"0.0\">\n",
       "        <tspan>Visits per vehicle</tspan>\n",
       "      </text>\n",
       "    </g>\n",
       "    <g transform=\"translate(14.5 166.3220329649077 ) rotate(-90.0 ) \">\n",
       "      <text class=\"axis-title-y\" y=\"0.0\" text-anchor=\"middle\">\n",
       "        <tspan>Visits</tspan>\n",
       "      </text>\n",
       "    </g>\n",
       "    <g transform=\"translate(313.4903027277341 391.5 ) \">\n",
       "      <text class=\"axis-title-x\" y=\"0.0\" text-anchor=\"middle\">\n",
       "        <tspan>Vehicle</tspan>\n",
       "      </text>\n",
       "    </g>\n",
       "    <path fill=\"rgb(0,0,0)\" fill-opacity=\"0.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" stroke-width=\"0.0\" d=\"M0.0 0.0 L0.0 400.0 L600.0 400.0 L600.0 0.0 Z\">\n",
       "    </path>\n",
       "  </g>\n",
       "  <g id=\"dBeIBoj\">\n",
       "  </g>\n",
       "</svg>\n",
       "        <script>document.getElementById(\"8cea893e-aef2-4795-9bd5-2879dde812ba\").style.display = \"none\";</script>"
      ],
      "application/plot+json": {
       "output_type": "lets_plot_spec",
       "output": {
        "ggtitle": {
         "text": "Visits per vehicle"
        },
        "mapping": {},
        "data": {},
        "kind": "plot",
        "scales": [
         {
          "aesthetic": "x",
          "discrete": true,
          "name": "Vehicle"
         },
         {
          "aesthetic": "y",
          "name": "Visits",
          "limits": [
           null,
           null
          ]
         }
        ],
        "layers": [
         {
          "mapping": {
           "x": "x",
           "y": "y"
          },
          "stat": "identity",
          "data": {
           "x": [
            "Vehicle A",
            "Vehicle B",
            "Vehicle C",
            "Vehicle D",
            "Vehicle E",
            "Vehicle F",
            "Vehicle G",
            "Vehicle H",
            "Vehicle I",
            "Vehicle J"
           ],
           "y": [
            5.0,
            8.0,
            6.0,
            4.0,
            5.0,
            5.0,
            6.0,
            3.0,
            4.0,
            3.0
           ]
          },
          "sampling": "none",
          "position": "dodge",
          "geom": "bar"
         }
        ]
       },
       "apply_color_scheme": true,
       "swing_enabled": true
      }
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 13
  },
  {
   "cell_type": "markdown",
   "source": [
    "### Load per vehicle"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "source": [
    "val vehicles = solution.vehicles.map { it.name }\n",
    "val load = solution.vehicles.map { it.visits.sumOf { it.load } }\n",
    "\n",
    "plot {\n",
    "    layout.title = \"Load per vehicle\"\n",
    "    bars {\n",
    "        x(vehicles) { axis.name = \"Vehicle\" }\n",
    "        y(load) { axis.name = \"Load\" }\n",
    "    }\n",
    "}"
   ],
   "metadata": {
    "collapsed": false,
    "ExecuteTime": {
     "end_time": "2024-05-24T10:50:08.492415Z",
     "start_time": "2024-05-24T10:50:08.375600Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "            <iframe src='about:blank' style='border:none !important;' width='600' height='400' srcdoc=\"&lt;html lang=&quot;en&quot;>\n",
       "   &lt;head>\n",
       "       &lt;meta charset=&quot;UTF-8&quot;>\n",
       "       &lt;style> html, body { margin: 0; overflow: hidden; } &lt;/style>\n",
       "       &lt;script type=&quot;text/javascript&quot; data-lets-plot-script=&quot;library&quot; src=&quot;https://cdn.jsdelivr.net/gh/JetBrains/lets-plot@v4.2.0/js-package/distr/lets-plot.min.js&quot;>&lt;/script>\n",
       "   &lt;/head>\n",
       "   &lt;body>\n",
       "          &lt;div id=&quot;z5DYH0&quot;>&lt;/div>\n",
       "   &lt;script type=&quot;text/javascript&quot; data-lets-plot-script=&quot;plot&quot;>\n",
       "       var plotSpec={\n",
       "&quot;ggtitle&quot;:{\n",
       "&quot;text&quot;:&quot;Load per vehicle&quot;\n",
       "},\n",
       "&quot;mapping&quot;:{\n",
       "},\n",
       "&quot;data&quot;:{\n",
       "},\n",
       "&quot;kind&quot;:&quot;plot&quot;,\n",
       "&quot;scales&quot;:[{\n",
       "&quot;aesthetic&quot;:&quot;x&quot;,\n",
       "&quot;discrete&quot;:true,\n",
       "&quot;name&quot;:&quot;Vehicle&quot;\n",
       "},{\n",
       "&quot;aesthetic&quot;:&quot;y&quot;,\n",
       "&quot;name&quot;:&quot;Load&quot;,\n",
       "&quot;limits&quot;:[null,null]\n",
       "}],\n",
       "&quot;layers&quot;:[{\n",
       "&quot;mapping&quot;:{\n",
       "&quot;x&quot;:&quot;x&quot;,\n",
       "&quot;y&quot;:&quot;y&quot;\n",
       "},\n",
       "&quot;stat&quot;:&quot;identity&quot;,\n",
       "&quot;data&quot;:{\n",
       "&quot;x&quot;:[&quot;Vehicle A&quot;,&quot;Vehicle B&quot;,&quot;Vehicle C&quot;,&quot;Vehicle D&quot;,&quot;Vehicle E&quot;,&quot;Vehicle F&quot;,&quot;Vehicle G&quot;,&quot;Vehicle H&quot;,&quot;Vehicle I&quot;,&quot;Vehicle J&quot;],\n",
       "&quot;y&quot;:[89.0,98.0,100.0,98.0,93.0,88.0,100.0,76.0,94.0,98.0]\n",
       "},\n",
       "&quot;sampling&quot;:&quot;none&quot;,\n",
       "&quot;position&quot;:&quot;dodge&quot;,\n",
       "&quot;geom&quot;:&quot;bar&quot;\n",
       "}]\n",
       "};\n",
       "       var plotContainer = document.getElementById(&quot;z5DYH0&quot;);\n",
       "       LetsPlot.buildPlotFromProcessedSpecs(plotSpec, -1, -1, plotContainer);\n",
       "   &lt;/script>\n",
       "   &lt;/body>\n",
       "&lt;/html>\"></iframe>            <svg xmlns=\"http:https://www.w3.org/2000/svg\" xmlns:xlink=\"http:https://www.w3.org/1999/xlink\" class=\"plt-container\" id=61430769-02b6-4e1f-849e-b102c2a244ec width=\"100%\" height=\"100%\" style=\"max-width: 600.0px; max-height: 400.0px;\" viewBox=\"0 0 600.0 400.0\" preserveAspectRatio=\"xMinYMin meet\">\n",
       "  <style type=\"text/css\">\n",
       "  .plt-container {\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   user-select: none;\n",
       "   -webkit-user-select: none;\n",
       "   -moz-user-select: none;\n",
       "   -ms-user-select: none;\n",
       "}\n",
       "text {\n",
       "   text-rendering: optimizeLegibility;\n",
       "}\n",
       "#p6W41qO .plot-title {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 16.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .plot-subtitle {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 15.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .plot-caption {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .legend-title {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 15.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .legend-item {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .axis-title-x {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 15.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .axis-text-x {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dulM1sT .axis-tooltip-text-x {\n",
       "   fill: #ffffff;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .axis-title-y {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 15.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .axis-text-y {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dulM1sT .axis-tooltip-text-y {\n",
       "   fill: #ffffff;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .facet-strip-text-x {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#p6W41qO .facet-strip-text-y {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dulM1sT .tooltip-text {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: normal;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dulM1sT .tooltip-title {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: bold;\n",
       "   font-style: normal;   \n",
       "}\n",
       "#dulM1sT .tooltip-label {\n",
       "   fill: #474747;\n",
       "   font-family: Lucida Grande, sans-serif;\n",
       "   font-size: 13.0px;\n",
       "   font-weight: bold;\n",
       "   font-style: normal;   \n",
       "}\n",
       "\n",
       "  </style>\n",
       "  <g id=\"p6W41qO\">\n",
       "    <path fill-rule=\"evenodd\" fill=\"rgb(255,255,255)\" fill-opacity=\"1.0\" d=\"M0.0 0.0 L0.0 400.0 L600.0 400.0 L600.0 0.0 Z\">\n",
       "    </path>\n",
       "    <g transform=\"translate(23.0 34.0 ) \">\n",
       "      <g transform=\"translate(29.941816366404606 0.0 ) \">\n",
       "        <line x1=\"33.89202129726573\" y1=\"264.6440659298154\" x2=\"33.89202129726573\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"86.03359252382839\" y1=\"264.6440659298154\" x2=\"86.03359252382839\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"138.17516375039105\" y1=\"264.6440659298154\" x2=\"138.17516375039105\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"190.3167349769537\" y1=\"264.6440659298154\" x2=\"190.3167349769537\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"242.45830620351637\" y1=\"264.6440659298154\" x2=\"242.45830620351637\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"294.599877430079\" y1=\"264.6440659298154\" x2=\"294.599877430079\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"346.7414486566417\" y1=\"264.6440659298154\" x2=\"346.7414486566417\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"398.8830198832044\" y1=\"264.6440659298154\" x2=\"398.8830198832044\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"451.024591109767\" y1=\"264.6440659298154\" x2=\"451.024591109767\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"503.16616233632965\" y1=\"264.6440659298154\" x2=\"503.16616233632965\" y2=\"0.0\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "      </g>\n",
       "      <g transform=\"translate(29.941816366404606 0.0 ) \">\n",
       "        <line x1=\"0.0\" y1=\"214.23567241937437\" x2=\"537.0581836335953\" y2=\"214.23567241937437\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"0.0\" y1=\"163.82727890893335\" x2=\"537.0581836335953\" y2=\"163.82727890893335\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"0.0\" y1=\"113.4188853984923\" x2=\"537.0581836335953\" y2=\"113.4188853984923\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"0.0\" y1=\"63.01049188805129\" x2=\"537.0581836335953\" y2=\"63.01049188805129\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "        <line x1=\"0.0\" y1=\"12.602098377610275\" x2=\"537.0581836335953\" y2=\"12.602098377610275\" stroke=\"rgb(233,233,233)\" stroke-opacity=\"1.0\" stroke-width=\"1.0\" fill=\"none\">\n",
       "        </line>\n",
       "      </g>\n",
       "      <g transform=\"translate(29.941816366404606 0.0 ) \" clip-path=\"url(#cVj3f20)\" clip-bounds-jfx=\"[rect (0.0, 0.0), (537.0581836335954, 264.6440659298154)]\">\n",
       "        <defs>\n",
       "          <clipPath id=\"cVj3f20\">\n",
       "            <rect x=\"0.0\" y=\"0.0\" width=\"537.0581836335954\" height=\"264.6440659298154\">\n",
       "            </rect>\n",
       "          </clipPath>\n",
       "        </defs>\n",
       "        <rect x=\"479.7024552843765\" y=\"17.642937728654374\" height=\"247.001128201161\" width=\"46.927414103906415\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"427.56088405781384\" y=\"27.72461643074257\" height=\"236.9194494990728\" width=\"46.92741410390636\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"375.41931283125115\" y=\"73.09217059013949\" height=\"191.5518953396759\" width=\"46.927414103906415\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"323.2777416046885\" y=\"12.602098377610275\" height=\"252.0419675522051\" width=\"46.92741410390636\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"271.1361703781258\" y=\"42.84713448387487\" height=\"221.79693144594052\" width=\"46.927414103906415\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"218.99459915156316\" y=\"30.24503610626462\" height=\"234.39902982355076\" width=\"46.927414103906386\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"166.8530279250005\" y=\"17.642937728654374\" height=\"247.001128201161\" width=\"46.927414103906386\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"114.71145669843786\" y=\"12.602098377610275\" height=\"252.0419675522051\" width=\"46.9274141039064\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"62.569885471875196\" y=\"17.642937728654374\" height=\"247.001128201161\" width=\"46.9274141039064\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "        <rect x=\"10.428314245312531\" y=\"40.32671480835282\" height=\"224.31735112146256\" width=\"46.927414103906386\" stroke=\"rgb(255,255,255)\" stroke-opacity=\"1.0\" fill=\"rgb(17,142,216)\" fill-opacity=\"1.0\" stroke-width=\"1.6500000000000001\">\n",
       "        </rect>\n",
       "      </g>\n",
       "      <g transform=\"translate(29.941816366404606 264.6440659298154 ) \">\n",
       "        <g transform=\"translate(33.89202129726573 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle A</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(86.03359252382839 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle B</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(138.17516375039105 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle C</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(190.3167349769537 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle D</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(242.45830620351637 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle E</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(294.599877430079 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle F</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(346.7414486566417 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle G</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(398.8830198832044 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle H</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(451.024591109767 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle I</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(503.16616233632965 0.0 ) \">\n",
       "          <line stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" x2=\"0.0\" y2=\"4.0\">\n",
       "          </line>\n",
       "          <g transform=\"translate(0.0 7.0 ) rotate(90.0 ) \">\n",
       "            <text class=\"axis-text-x\" dy=\"0.35em\">\n",
       "              <tspan>Vehicle J</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <line x1=\"0.0\" y1=\"0.0\" x2=\"537.0581836335954\" y2=\"0.0\" stroke-width=\"1.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\">\n",
       "        </line>\n",
       "      </g>\n",
       "      <g transform=\"translate(29.941816366404606 0.0 ) \">\n",
       "        <g transform=\"translate(0.0 264.6440659298154 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>0</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 214.23567241937437 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>20</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 163.82727890893335 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>40</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 113.4188853984923 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>60</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 63.01049188805129 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>80</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "        <g transform=\"translate(0.0 12.602098377610275 ) \">\n",
       "          <g transform=\"translate(-3.0 0.0 ) \">\n",
       "            <text class=\"axis-text-y\" text-anchor=\"end\" dy=\"0.35em\">\n",
       "              <tspan>100</tspan>\n",
       "            </text>\n",
       "          </g>\n",
       "        </g>\n",
       "      </g>\n",
       "    </g>\n",
       "    <g transform=\"translate(52.94181636640461 15.2 ) \">\n",
       "      <text class=\"plot-title\" y=\"0.0\">\n",
       "        <tspan>Load per vehicle</tspan>\n",
       "      </text>\n",
       "    </g>\n",
       "    <g transform=\"translate(14.5 166.3220329649077 ) rotate(-90.0 ) \">\n",
       "      <text class=\"axis-title-y\" y=\"0.0\" text-anchor=\"middle\">\n",
       "        <tspan>Load</tspan>\n",
       "      </text>\n",
       "    </g>\n",
       "    <g transform=\"translate(321.4709081832023 391.5 ) \">\n",
       "      <text class=\"axis-title-x\" y=\"0.0\" text-anchor=\"middle\">\n",
       "        <tspan>Vehicle</tspan>\n",
       "      </text>\n",
       "    </g>\n",
       "    <path fill=\"rgb(0,0,0)\" fill-opacity=\"0.0\" stroke=\"rgb(71,71,71)\" stroke-opacity=\"1.0\" stroke-width=\"0.0\" d=\"M0.0 0.0 L0.0 400.0 L600.0 400.0 L600.0 0.0 Z\">\n",
       "    </path>\n",
       "  </g>\n",
       "  <g id=\"dulM1sT\">\n",
       "  </g>\n",
       "</svg>\n",
       "        <script>document.getElementById(\"61430769-02b6-4e1f-849e-b102c2a244ec\").style.display = \"none\";</script>"
      ],
      "application/plot+json": {
       "output_type": "lets_plot_spec",
       "output": {
        "ggtitle": {
         "text": "Load per vehicle"
        },
        "mapping": {},
        "data": {},
        "kind": "plot",
        "scales": [
         {
          "aesthetic": "x",
          "discrete": true,
          "name": "Vehicle"
         },
         {
          "aesthetic": "y",
          "name": "Load",
          "limits": [
           null,
           null
          ]
         }
        ],
        "layers": [
         {
          "mapping": {
           "x": "x",
           "y": "y"
          },
          "stat": "identity",
          "data": {
           "x": [
            "Vehicle A",
            "Vehicle B",
            "Vehicle C",
            "Vehicle D",
            "Vehicle E",
            "Vehicle F",
            "Vehicle G",
            "Vehicle H",
            "Vehicle I",
            "Vehicle J"
           ],
           "y": [
            89.0,
            98.0,
            100.0,
            98.0,
            93.0,
            88.0,
            100.0,
            76.0,
            94.0,
            98.0
           ]
          },
          "sampling": "none",
          "position": "dodge",
          "geom": "bar"
         }
        ]
       },
       "apply_color_scheme": true,
       "swing_enabled": true
      }
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 14
  },
  {
   "metadata": {},
   "cell_type": "markdown",
   "source": [
    "## Analyze the score\n",
    "\n",
    "Break down the score per constraint and print it:"
   ]
  },
  {
   "metadata": {
    "ExecuteTime": {
     "end_time": "2024-05-24T10:50:08.593734Z",
     "start_time": "2024-05-24T10:50:08.493787Z"
    }
   },
   "cell_type": "code",
   "source": [
    "import ai.timefold.solver.core.api.solver.SolutionManager\n",
    "\n",
    "val solutionManager = SolutionManager.create(solverFactory)\n",
    "val scoreAnalysis = solutionManager.analyze(solution)\n",
    "\n",
    "HTML(buildString {\n",
    "    append(\"<p style='font-size: x-large'>Score: ${scoreAnalysis.score}</p>\")\n",
    "    append(\"<ul>\")\n",
    "    for (constraint in scoreAnalysis.constraintMap().values) {\n",
    "        append(\"<li>${constraint.constraintRef().constraintName}: ${constraint.score.toShortString()}</li>\")\n",
    "    }\n",
    "    append(\"</ul>\")\n",
    "})"
   ],
   "outputs": [
    {
     "data": {
      "text/html": [
       "<p style='font-size: x-large'>Score: 0hard/-24094376soft</p><ul><li>Minimize distance: -24094376soft</li><li>Capacity: 0</li></ul>"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 15
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Conclusion\n",
    "\n",
    "To learn more about planning optimization, visit [timefold.ai](https://timefold.ai)."
   ],
   "metadata": {
    "collapsed": false
   }
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Kotlin",
   "language": "kotlin",
   "name": "kotlin"
  },
  "language_info": {
   "name": "kotlin",
   "version": "1.8.0",
   "mimetype": "text/x-kotlin",
   "file_extension": ".kt",
   "pygments_lexer": "kotlin",
   "codemirror_mode": "text/x-kotlin",
   "nbconvert_exporter": ""
  }
 },
 "nbformat": 4,
 "nbformat_minor": 0
}