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map.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>iso-image</title>
<script src="./iso-image-dev.js"></script>
<script type="text/javascript" src="leaflet-1.0.2/leaflet-src.js"></script>
<link rel="stylesheet" type="text/css" href="leaflet-1.0.2/leaflet.css">
<style>
* { padding: 0; margin: 0; }
html, body, #map { height: 100%; width: 100%;}
</style>
</head>
<body>
<div id="map" ></div>
<script>
var map = L.map('map', {
center: [25.763889, 119.469167],
crs:L.CRS.EPSG3857,
zoom: 8,
maxZoom: 18,
minZoom: 1,
zoomControl: false,
attributionControl: false
})
L.tileLayer('http://{s}.google.cn/vt/lyrs=t@130,r@203000000&hl=zh-CN&gl=cn&src=app&x={x}&y={y}&z={z}&s=Gal', {subdomains: ["mt0", "mt1", "mt2", "mt3"] }).addTo(map)
var clip = []
// var areacode = [350102, 350103, 350104, 350105, 350111, 350121, 350122, 350123, 350124, 350125, 350181, 350182]
var areacode = [350102, 350103, 350104, 350105, 350111, 350121, 350122, 350123, 350124, 350125, 350181, 350182]
var ajax = 0
var getJson = function (url) {
var xmlhttp = new XMLHttpRequest()
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState === 4) {
if (xmlhttp.status === 200) {
var ret = JSON.parse(xmlhttp.responseText)
var features = ret.features || []
for (var j = 0; features[j]; j++) {
var rings = features[j].geometry.rings
clip = clip.concat(rings)
}
} else {
error(xmlhttp.responseText)
}
ajax++
doNext()
}
};
xmlhttp.open('GET', url)
xmlhttp.send()
}
setTimeout(function(){
for (var i = 0; areacode[i]; i++) {
var url = './areas/' + areacode[i] + '.json'
getJson(url)
}
}, 0)
function doNext () {
if (!(areacode.length == ajax)) return
setTimeout(function() {
// window['turfIsolines'] = null
draw()
}, 100)
// setInterval(function () {draw()}, 5000)
}
function draw() {
var url = './data.json'
var xmlhttp = new XMLHttpRequest()
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState === 4) {
if (xmlhttp.status === 200) {
var data = JSON.parse(xmlhttp.responseText)
if (window.Worker) {
// const myWorker = new Worker("worker.js")
// myWorker.onmessage = function(e) {
// console.log(e)
// }
// myWorker.postMessage({})
// myWorker.postMessage({
// IsoImage: IsoImage,
// points: data,
// opt: {
// type: 'kriging', // idw
// extent: [[118.3, 26.8], [120.3, 25]],
// clip: clip,
// level: [
// { value: 0, color: '#ffffff', unit: 'mm' },
// { value: 5, color: '#A9F18D', unit: 'mm' },
// { value: 10, color: '#38A801', unit: 'mm' },
// { value: 25, color: '#61B8FF', unit: 'mm' },
// { value: 30, color: '#81BcaF', unit: 'mm' },
// { value: 50, color: '#0100FC', unit: 'mm' },
// { value: 100, color: '#FA00FA', unit: 'mm' },
// { value: 250, color: '#FF0000', unit: 'mm' }
// ],
// cellWidth: 0.01,
// keyConfig: {
// x: 'X',
// y: 'Y',
// v: 'VAL',
// clipX: '0',
// clipY: '1'
// }
// }
// })
}
// kriging
var krigingImg = new IsoImage(data, {
type: 'idw',
worker: './worker',
extent: [[118.3, 26.8], [120.3, 25]],
clip: clip,
level: [
{ value: 0, color: '#ffffff', unit: 'mm' },
{ value: 5, color: '#A9F18D', unit: 'mm' },
{ value: 10, color: '#38A801', unit: 'mm' },
{ value: 25, color: '#61B8FF', unit: 'mm' },
{ value: 30, color: '#81BcaF', unit: 'mm' },
{ value: 50, color: '#0100FC', unit: 'mm' },
{ value: 100, color: '#FA00FA', unit: 'mm' },
{ value: 250, color: '#FF0000', unit: 'mm' }
],
cellWidth: 0.01,
keyConfig: {
x: 'X',
y: 'Y',
v: 'VAL',
clipX: '0',
clipY: '1'
}
}, function(that) {
var canvasLayer = that.layer(map) // .addTo(map)
that.getLeafletIsoImage(canvasLayer, {
// filter: [5, 25],
color: "#333"
}).addTo(map)
that.getLeafletLegend({
position: 'bottomleft'
// gradient: false,
// direction: 'horizontal'
}).addTo(map)
// console.log(that)
// var style = {
// stroke: true,
// weight: 1,
// opacity: 0.7,
// fillOpacity: 0.7,
// color: '#ff0000',
// fillColor: '#ff0000',
// renderer: canvasLayer
// }
// var marker = L['polyline'](that.option.fmtClip, style).addTo(map)
// console.log(marker)
// that.remove()
})
// krigingImg.initReady(function() {
// var canvasLayer = krigingImg.layer().addTo(map)
// krigingImg.drawIsoImage(canvasLayer, {
// // filter: [5, 25],
// color: "#333"
// }).addTo(map)
// krigingImg.drawLegend({
// position: 'bottomleft'
// // gradient: false,
// // direction: 'horizontal'
// }).addTo(map)
// })
// krigingImg.drawIsoImage(canvasLayer, {
// // filter: [5, 25],
// color: "#333"
// }).addTo(map)
}
else {
error(xmlhttp.responseText)
}
}
};
xmlhttp.open('GET', url)
xmlhttp.send()
}
</script>
</body>
</html>