ampledata/index.html

## index.html
<!DOCTYPE html>
<html>

<head>
    <meta charset='utf-8' />
    <title>Display buildings in 3D</title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.js'></script>
    <script src='https://npmcdn.com/@turf/turf/turf.min.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.css' rel='stylesheet' />
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        #map {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 100%;
        }
    </style>
</head>

<body>
    <div id='map'></div>
    <script>

        mapboxgl.accessToken =
            'pk.eyJ1Ijoic2FtZ2VocmV0IiwiYSI6ImNqZWExcDdwNTAxYnEyeG1tZnQ4MTNsODkifQ.68r_UjBeRkubf5eUs4uw-g';
        var map = new mapboxgl.Map({
            //style: 'mapbox://styles/ealessandrini/cj3qdzuis003g2sp3q5k43fdp?fresh=true',
            style: 'mapbox://styles/mapbox/dark-v9',
            center: [-74.010962, 40.709779],
            zoom: 15.5,
            pitch: 45,
            container: 'map'
        });

        // This object will hold the floor "discs"
        var floors = {
            "type": "FeatureCollection",
            "features": []
        }

        var buildingTops = {
            "type": "FeatureCollection",
            "features": []
        }

        map.on('load', function () {

            // Add a source and layer for the floor "discs"
            map.addSource("floors", {
                "type": "geojson",
                "data": floors
            });

            map.addSource("buildingtops", {
                "type": "geojson",
                "data": buildingTops
            });


            // The 'building' layer in the mapbox-streets vector source contains building-height
            // data from OpenStreetMap.
            map.addSource("buildings", {
                type: "vector",
                url: "mapbox://mapbox.3d-buildings"
            });

            map.addLayer({
                "id": "building-tops",
                "type": "fill-extrusion",
                "source": "buildingtops",
                "paint": {
                    'fill-extrusion-color': "yellow",
                    'fill-extrusion-height': ['get','extrusion_height'],
                    'fill-extrusion-base': ['get','base_height'],
                    'fill-extrusion-opacity': 1,
                }
            });
            map.addLayer({
                'id': '3d-buildings',
                'source': 'buildings',
                'source-layer': 'building',
                'type': 'fill-extrusion',
                'minzoom': 10,
                'paint': {
                    'fill-extrusion-color': ['case', ['==', ['feature-state', 'color'], 1], '#444',
                        '#ccc'
                    ],
                    'fill-extrusion-height': ['get', 'height'],
                    'fill-extrusion-base': ['get', 'min_height'],
                    'fill-extrusion-opacity': 0.7
                }
            });


            var url = "";
            var coordinates = [];
            var buildingIDList = [];
            var building_id = "";

            // Loop through the source GeoJSON
            customerData.features.forEach(function (feature) {
                // Set up the floor vizualization features
                var floor = feature;
                coordinates = feature.geometry.coordinates;
                var buffered = turf.buffer(turf.point(coordinates), 0.00000001);
                floor.geometry = buffered.geometry;
                floors.features.push(floor);
                // Query for which building footprints intersect them
                url = "https://api.mapbox.com/v4/mapbox.3d-buildings/tilequery/" + coordinates +
                    ".json?limit=50&radius=30&access_token=" + mapboxgl.accessToken;
                fetch(url)
                    .then(data => {
                        return data.json()
                    })
                    .then(res => {
                        buildingFeatures = res.features
                        // console.log('building features', buildingFeatures)
                        buildingFeatures.forEach(function (buildingFeature) {
                            // console.log('builidngFEature', buildingFeature)
                            building_id = buildingFeature.id
                            buildingIDList.push(building_id);


                            if (buildingFeature.properties.height > 100) {
                                let newTop = {
                                    "type": "Feature",
                                    "properties": {
                                        "base_height": "",
                                        "extrusion_height": ""
                                    }
                                }


                                coordinates = buildingFeature.geometry.coordinates
                                var bufferedPoint = turf.buffer(turf.point(coordinates),0.01)
                                newTop.geometry = bufferedPoint.geometry


                                newTop.properties.base_height = buildingFeature.properties.height / 2
                                newTop.properties.extrusion_height = buildingFeature.properties.height / 2 + 5
                                console.log('newtop', newTop)
                                buildingTops.features.push(newTop)

                                map.getSource("buildingtops").setData(buildingTops);
                            }
                            map.setFeatureState({
                                source: 'buildings',
                                sourceLayer: 'building',
                                id: building_id
                            }, {
                                'color': 0
                            })
                        })
                    })
                    .catch(function (error) {
                        console.log(error)
                    })
            });


            // Once the floor data is ready, update the source
            map.getSource("floors").setData(floors);

        });

        // Code for auto-rotation - makes nice GIFS :-)
        function rotateBy(current) {
            var rotateNumber = current;
            map.rotateTo(rotateNumber + 90, {
                duration: 24000,
                easing: function (t) {
                    return t;
                }
            });
        }

        map.on('click', function (e) {
            rotateBy(map.getBearing());
        });

        // Source data for the rental floors
        var customerData = {
            "type": "FeatureCollection",
            "name": "ss_building_sample",
            "features": [
                {
                    "type": "Feature",
                    "properties": {
                        "ID": 918400,
                        "PropertyID": 5011038,
                        "BuildingName": "3 World Trade Center",
                        "BuildingAddress": "175 Greenwich St",
                        "FloorAvail": 71,
                        "WeightedAverageRent": null,
                        "Estimated Rent": 55.76625,
                        "fl_height": 249,
                        "color": "yellow",
                        "fl_min_height": 245
                    },
                    "geometry": {
                        "type": "Point",
                        "coordinates": [-74.011608, 40.710893]
                    }
                }
            ]
        }
    </script>
</body>

</html>
	<!DOCTYPE html>
	<html>

	<head>
	<meta charset='utf-8' />
	<title>Display buildings in 3D</title>
	<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
	<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.js'></script>
	<script src='https://npmcdn.com/@turf/turf/turf.min.js'></script>
	<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.css' rel='stylesheet' />
	<style>
	body {
	margin: 0;
	padding: 0;
	}

	#map {
	position: absolute;
	top: 0;
	bottom: 0;
	width: 100%;
	}
	</style>
	</head>

	<body>
	<div id='map'></div>
	<script>

	mapboxgl.accessToken =
	'pk.eyJ1Ijoic2FtZ2VocmV0IiwiYSI6ImNqZWExcDdwNTAxYnEyeG1tZnQ4MTNsODkifQ.68r_UjBeRkubf5eUs4uw-g';
	var map = new mapboxgl.Map({
	//style: 'mapbox://styles/ealessandrini/cj3qdzuis003g2sp3q5k43fdp?fresh=true',
	style: 'mapbox://styles/mapbox/dark-v9',
	center: [-74.010962, 40.709779],
	zoom: 15.5,
	pitch: 45,
	container: 'map'
	});

	// This object will hold the floor "discs"
	var floors = {
	"type": "FeatureCollection",
	"features": []
	}

	var buildingTops = {
	"type": "FeatureCollection",
	"features": []
	}

	map.on('load', function () {

	// Add a source and layer for the floor "discs"
	map.addSource("floors", {
	"type": "geojson",
	"data": floors
	});

	map.addSource("buildingtops", {
	"type": "geojson",
	"data": buildingTops
	});



	// The 'building' layer in the mapbox-streets vector source contains building-height
	// data from OpenStreetMap.
	map.addSource("buildings", {
	type: "vector",
	url: "mapbox://mapbox.3d-buildings"
	});

	map.addLayer({
	"id": "building-tops",
	"type": "fill-extrusion",
	"source": "buildingtops",
	"paint": {
	'fill-extrusion-color': "yellow",
	'fill-extrusion-height': ['get','extrusion_height'],
	'fill-extrusion-base': ['get','base_height'],
	'fill-extrusion-opacity': 1,
	}
	});
	map.addLayer({
	'id': '3d-buildings',
	'source': 'buildings',
	'source-layer': 'building',
	'type': 'fill-extrusion',
	'minzoom': 10,
	'paint': {
	'fill-extrusion-color': ['case', ['==', ['feature-state', 'color'], 1], '#444',
	'#ccc'
	],
	'fill-extrusion-height': ['get', 'height'],
	'fill-extrusion-base': ['get', 'min_height'],
	'fill-extrusion-opacity': 0.7
	}
	});



	var url = "";
	var coordinates = [];
	var buildingIDList = [];
	var building_id = "";

	// Loop through the source GeoJSON
	customerData.features.forEach(function (feature) {
	// Set up the floor vizualization features
	var floor = feature;
	coordinates = feature.geometry.coordinates;
	var buffered = turf.buffer(turf.point(coordinates), 0.00000001);
	floor.geometry = buffered.geometry;
	floors.features.push(floor);
	// Query for which building footprints intersect them
	url = "https://api.mapbox.com/v4/mapbox.3d-buildings/tilequery/" + coordinates +
	".json?limit=50&radius=30&access_token=" + mapboxgl.accessToken;
	fetch(url)
	.then(data => {
	return data.json()
	})
	.then(res => {
	buildingFeatures = res.features
	// console.log('building features', buildingFeatures)
	buildingFeatures.forEach(function (buildingFeature) {
	// console.log('builidngFEature', buildingFeature)
	building_id = buildingFeature.id
	buildingIDList.push(building_id);


	if (buildingFeature.properties.height > 100) {
	let newTop = {
	"type": "Feature",
	"properties": {
	"base_height": "",
	"extrusion_height": ""
	}
	}


	coordinates = buildingFeature.geometry.coordinates
	var bufferedPoint = turf.buffer(turf.point(coordinates),0.01)
	newTop.geometry = bufferedPoint.geometry



	newTop.properties.base_height = buildingFeature.properties.height / 2
	newTop.properties.extrusion_height = buildingFeature.properties.height / 2 + 5
	console.log('newtop', newTop)
	buildingTops.features.push(newTop)

	map.getSource("buildingtops").setData(buildingTops);
	}
	map.setFeatureState({
	source: 'buildings',
	sourceLayer: 'building',
	id: building_id
	}, {
	'color': 0
	})
	})
	})
	.catch(function (error) {
	console.log(error)
	})
	});



	// Once the floor data is ready, update the source
	map.getSource("floors").setData(floors);

	});

	// Code for auto-rotation - makes nice GIFS :-)
	function rotateBy(current) {
	var rotateNumber = current;
	map.rotateTo(rotateNumber + 90, {
	duration: 24000,
	easing: function (t) {
	return t;
	}
	});
	}

	map.on('click', function (e) {
	rotateBy(map.getBearing());
	});

	// Source data for the rental floors
	var customerData = {
	"type": "FeatureCollection",
	"name": "ss_building_sample",
	"features": [
	{
	"type": "Feature",
	"properties": {
	"ID": 918400,
	"PropertyID": 5011038,
	"BuildingName": "3 World Trade Center",
	"BuildingAddress": "175 Greenwich St",
	"FloorAvail": 71,
	"WeightedAverageRent": null,
	"Estimated Rent": 55.76625,
	"fl_height": 249,
	"color": "yellow",
	"fl_min_height": 245
	},
	"geometry": {
	"type": "Point",
	"coordinates": [-74.011608, 40.710893]
	}
	}
	]
	}
	</script>
	</body>

	</html>