heatMaps/testeIDW.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 potencia = 1.5;
    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, 0],
        // [-53.22138295, -24.29714482, 0],
        // [-53.21988196, -24.30127444, 0],
        // [-53.21962501, -24.30258456, 0],
        // [-53.21918588, -24.29934324, 0],
        // [-53.21915521, -24.3033509, 0],
        // [-53.21906179, -24.30310445, 0],
        // [-53.21816861, -24.30014024, 0],
        // [-53.21812818, -24.30138849, 0],
        // [-53.21718541, -24.30273996, 0],
        // [-53.21702594, -24.3017541, 0],
        // [-53.21699119, -24.30197869, 0],
        // [-53.21692578, -24.30199683, 0],
        // [-53.21661104, -24.29948709, 0],
        // [-53.21605175, -24.30151013, 0],
        // [-53.21485867, -24.30008093, 0],
        // [-53.21446668, -24.29963489, 0],
        // [-53.21383935, -24.30166479, 0],
        // [-53.21275825, -24.29768951, 0],
        // [-53.21216219, -24.29973922, 0],
        // [-53.21162634, -24.3017988, 0],
        // [-53.21128604, -24.30209445, 0],
        [-53.21078907, -24.3026255, 0],
        [-53.21045956, -24.30008577, 0],
        [-53.21033637, -24.30216756, 0],
        [-53.21025036, -24.30004382, 0],
        [-53.21018187, -24.30216682, 0],
        [-53.21017414, -24.30316423, 0],
        [-53.21014091, -24.30005189, 0],
        [-53.20999731, -24.30441826, 0],
        [-53.20992246, -24.30191171, 0],
        [-53.20988271, -24.30019703, 0],
        [-53.21988759, -24.30131856,1],
        [-53.20994361, -24.30193939,1],
        [-53.22167497, -24.30120798,2],
        [-53.21927701, -24.29904331,2],
        [-53.21797397, -24.30144273,2],
        [-53.21681325, -24.29919796,5],
        [-53.21412204, -24.29935754,5],
        [-53.211794, -24.29950127, 6]
    ];

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

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

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


    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);

    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);


    areaLayerLayer.eachLayer(function(l){
        var centro = l.getBounds().getCenter();
        var primeiroPedacoValorPonto = pontosComPeso.map(function(a){
            var contagem = a[2];
            var latLng = a.slice(0,2).reverse();

            return contagem / Math.pow(centro.distanceTo(latLng), potencia);

        }).reduce((a,b) => a+b, 0);

        var segundoPedacoValorPonto = pontosComPeso.map(function(a){
            var latLng = a.slice(0,2).reverse();

            return 1 / Math.pow(centro.distanceTo(latLng), potencia);

        }).reduce((a,b) => a+b, 0);

        l.valorPonto = primeiroPedacoValorPonto/segundoPedacoValorPonto;

    });

    var color = chroma.scale(['green', 'yellow', 'red']).domain([1, 2]);

    var i = 0;

    areaLayerLayer.eachLayer(function(l) {

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

        if(intersect){

            var style = {
                color: color(l.valorPonto).hex(),
                weight: 0,
                fillOpacity: 1
            };

            l = L.geoJSON(intersect);

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


        i++;


    });


</script>


</body>
</html>