heatMaps/testeKernelGausiano.html at master · ProdutorAgro/heatMaps · GitHub

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<!DOCTYPE html>
<html>
<head>

	<title>Quick Start - Leaflet</title>

	<meta charset="utf-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0">

	<link rel="shortcut icon" type="image/x-icon" href="docs/images/favicon.ico" />

	<link rel="stylesheet" href="https://unpkg.com/leaflet@1.3.4/dist/leaflet.css" integrity="sha512-puBpdR0798OZvTTbP4A8Ix/l+A4dHDD0DGqYW6RQ+9jxkRFclaxxQb/SJAWZfWAkuyeQUytO7+7N4QKrDh+drA==" crossorigin=""/>
	<script src="https://unpkg.com/leaflet@1.3.4/dist/leaflet.js" integrity="sha512-nMMmRyTVoLYqjP9hrbed9S+FzjZHW5gY1TWCHA5ckwXZBadntCNs8kEqAWdrb9O7rxbCaA4lKTIWjDXZxflOcA==" crossorigin=""></script>
	<script src='https://npmcdn.com/@turf/turf/turf.min.js'></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/chroma-js/1.3.7/chroma.min.js"></script>

</head>
<body>


<div id="mapid" style="width: 1200px; height: 900px;"></div>
<script>

	var h = 15;

    var areaJson = {"type":"Polygon","coordinates":[[[-53.2098614,-24.3000435],[-53.2105532,-24.2998583],[-53.2109657,-24.2993532],[-53.2115398,-24.2993448],[-53.2124094,-24.297742],[-53.2127809,-24.2974012],[-53.2207925,-24.2962012],[-53.221644,-24.2965361],[-53.2222243,-24.2979741],[-53.2216208,-24.3002919],[-53.2219343,-24.3022873],[-53.2216323,-24.3032511],[-53.2212139,-24.3034486],[-53.217101,-24.3036766],[-53.2148378,-24.3046601],[-53.2116584,-24.3048551],[-53.2099158,-24.3046485],[-53.2098614,-24.3000435],[-53.2098614,-24.3000435]]]};

    var pontosComPeso = [

        [-53.22161882, -24.30118093, 1],
        [-53.22138295, -24.29714482, 1],
        [-53.21988196, -24.30127444, 1],
        [-53.21962501, -24.30258456, 1],
        [-53.21918588, -24.29934324, 1],
        [-53.21915521, -24.3033509, 1],
        [-53.21906179, -24.30310445, 1],
        [-53.21816861, -24.30014024, 1],
        [-53.21812818, -24.30138849, 1],
        [-53.21718541, -24.30273996, 1],
        [-53.21702594, -24.3017541, 1],
        [-53.21699119, -24.30197869, 1],
        [-53.21692578, -24.30199683, 1],
        [-53.21661104, -24.29948709, 1],
        [-53.21605175, -24.30151013, 1],
        [-53.21485867, -24.30008093, 1],
        [-53.21446668, -24.29963489, 1],
        [-53.21383935, -24.30166479, 1],
        [-53.21275825, -24.29768951, 1],
        [-53.21216219, -24.29973922, 1],
        [-53.21162634, -24.3017988, 1],
        [-53.21128604, -24.30209445, 1],
        [-53.21078907, -24.3026255, 1],
        [-53.21045956, -24.30008577, 1],
        [-53.21033637, -24.30216756, 1],
        [-53.21025036, -24.30004382, 1],
        [-53.21018187, -24.30216682, 1],
        [-53.21017414, -24.30316423, 1],
        [-53.21014091, -24.30005189, 1],
        [-53.20999731, -24.30441826, 1],
        [-53.20992246, -24.30191171, 1],
        [-53.20988271, -24.30019703, 1],
        [-53.21988759, -24.30131856,1*100],
        [-53.20994361, -24.30193939,1*100],
        [-53.22167497, -24.30120798,2*100],
        [-53.21927701, -24.29904331,2*100],
        [-53.21797397, -24.30144273,2*100],
        [-53.21681325, -24.29919796,5*100],
        [-53.21412204, -24.29935754,5*100],
        [-53.211794, -24.29950127, 6*100]
    ];

    var pontosFunction = [];

    pontosComPeso.forEach(function(a){
       for(var i = 1; i< a[2]; i++){
           pontosFunction.push(function(x,y){
               var primeiraParte = -(1/(2*h));
               var segundaParte = (Math.pow((x-a[0]), 2) +  Math.pow((y-a[1]), 2));

               return Math.exp(primeiraParte * segundaParte);
           });
       }
    });

    function formula(x, y){
        var primeiraParte = 1/(2*Math.PI*pontosFunction.length)
        var somatorio = pontosFunction.map(f => f(x, y)).reduce((a, b) => a +b , 0);

		return primeiraParte*somatorio;
    }


    var map = L.map('mapid');

    L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
        maxZoom: 16,
        minZoom:1
    }).addTo(map);

    var areaLayer = L.geoJSON(areaJson);
    map.fitBounds(areaLayer.getBounds());
	areaLayer.addTo(map);


    pontosComPeso.forEach(function(p){
        var marker = L.circleMarker(p.slice(0,2).reverse(), {
            radius: 5
        }).addTo(map);

        marker.bindPopup(p[2] + '');
    });


    var cellSide = 0.01;

    var bbox = areaLayer.getBounds().toBBoxString().split(',').map(function(item) {
        return parseFloat(item);
    });

    var squareGridJson = turf.hexGrid(bbox, cellSide);

    var areaLayerLayer = L.geoJSON(squareGridJson);


    var min = Infinity;
    var max = -Infinity;

    areaLayerLayer.eachLayer(function(layer){
       var center = layer.getBounds().getCenter();
       var r = formula(center.lng, center.lat);
       if(max < r){
           max = r;
       }
        if(min > r){
            min = r;
        }
    });

    var color = chroma.scale(['green', 'yellow', 'red']).domain([min, max]);

	var i = 0;

    areaLayerLayer.eachLayer(function(l){
        var center = l.getBounds().getCenter();


        var intersect = turf.intersect(areaLayer.toGeoJSON().features[0], l.toGeoJSON());

        if(intersect){

            var style = {
                color: color(formula(center.lng, center.lat)).hex(),
                weight: 0,
                fillOpacity: 1
            };

            l = L.geoJSON(intersect);

            l.setStyle(style);
            l.addTo(map);
            l.bringToBack();
        }

		i++;
    });


</script>


</body>
</html>