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管线剖切参数获取.html
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管线剖切参数获取.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/>
<title>Echart ArcGIS</title>
<link rel="stylesheet" href="http://cityworks.cn/arcgis_js_v320_api/arcgis_js_api/library/3.20/3.20/esri/css/esri.css">
<style>
html, body, #map {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
#map {
height: 90%;
width: 100%;
margin: 0;
padding: 0;
}
body {
background-color: #FFF;
overflow: hidden;
font-family: "Trebuchet MS", sans-serif;
}
</style>
<script src="http://cityworks.cn/arcgis_js_v320_api/arcgis_js_api/library/3.20/3.20/init.js"></script>
</head>
<body>
<div id="map"></div>
<button onclick="fun1()">记录起点</button>
<label id="label1"></label> <label id="label2"></label>
</br>
<button onclick="fun2()">记录终点</button>
<label id="label3"></label> <label id="label4"></label>
</br>
<button onclick="fun3()">生产剖切线</button>
<script>
var map;
var x;
var y;
var x1;
var y1;
var x2;
var y2;
require(["esri/map", "esri/layers/ArcGISTiledMapServiceLayer", "esri/layers/ArcGISDynamicMapServiceLayer", "esri/geometry/Polyline", "esri/graphic", "esri/geometry/Extent", "dojo/domReady!"],
function (Map, ArcGISTiledMapServiceLayer, ArcGISDynamicMapServiceLayer, Polyline, Graphic, Extent) {
map = new Map("map", {
//basemap: "dark-gray",
//center: [423865, 2882658], // longitude, latitude
// zoom: 5
});
var ext = new Extent({
"xmin": 425218.64178836334,
"ymin": 2882404.138717771,
"xmax": 426363.91368091095,
"ymax": 2882970.213210494,
"spatialReference": {"wkid": 2437}
})
map.setExtent(ext, true)
var tileLayer = new ArcGISDynamicMapServiceLayer("http://10.10.120.2:6080/arcgis/rest/services/FuZhou_JSLW3/MapServer");
var tileLayer2 = new ArcGISTiledMapServiceLayer("http://172.25.10.61:6080/arcgis/rest/services/Vector2014_FzLocal/MapServer");
map.addLayer(tileLayer2);
map.addLayer(tileLayer);
map.on("click", executeIdentify);
function executeIdentify(event) {
x = event.mapPoint.x;
y = event.mapPoint.y;
}
fun1 = function () {
x1 = document.getElementById("label1").innerText = x
y1 = document.getElementById("label2").innerText = y
}
fun2 = function () {
x2 = document.getElementById("label3").innerText = x
y2 = document.getElementById("label4").innerText = y
}
fun3 = function () {
map.graphics.clear()
var myLine = {
geometry: {
"paths": [[[x1, y1], [x2, y2]]],
"spatialReference": {"wkid": 2437}
},
"symbol": {"color": [255, 0, 0, 255], "width": 1, "type": "esriSLS", "style": "esriSLSSolid"}
};
var graphic = new Graphic(myLine);
map.graphics.add(graphic);
var url = "http://172.25.10.61:6080/arcgis/rest/services/FZPIPELOCAL/MapServer/32";
var res= dissection(graphic,url)
res.then(function(data) {
console.log(inputParameters)
})
}
//剖切参数获取方法 v1.1
//输入剖切线 line Graphic, 被剖切数据服务,要素图层
function dissection(graphic,url) {
var p = new Promise(function(resolve, reject){
var geometry = graphic.geometry;
require(["esri/SpatialReference", "esri/tasks/query", "esri/tasks/QueryTask", "esri/geometry/mathUtils", "esri/geometry/Point", "esri/symbols/SimpleMarkerSymbol", "esri/Color","esri/graphic"],
function (SpatialReference, Query, QueryTask, mathUtils, Point, SimpleMarkerSymbol, Color,Graphic) {
var queryTask = new QueryTask(url);
var query = new Query();
query.returnGeometry = true;
query.outFields = ["*"];
query.outSpatialReference = {"wkid": 2437};
// query.where = where;
query.geometry = geometry;
queryTask.execute(query);
//查询输入线经过的管线
queryTask.on("complete", function (event) {
//计算输入剖线长度
var pS = new Point(geometry.paths[0][0], new SpatialReference({wkid: 2437}));
var pE = new Point(geometry.paths[0][1], new SpatialReference({wkid: 2437}));
var Linedistance = mathUtils.getLength(pS, pE);
var inputParameters = {
lineLenth: Linedistance,
pipes: []
}
//轮询查询管线参数
var features = event.featureSet.features;
var featureCount = features.length;
for (var i = 0; i < featureCount; i++) {
var geometryInput = features[i].geometry;
var res= getIntersection(geometryInput);
var Intersection =res[0]; //交点
var distance =res[1]; //距离左侧距离
var Name = features[i].attributes.GXXZ
var MS;
var QDMS = features[i].attributes.QDMS
var ZDMS = features[i].attributes.ZDMS
if (QDMS != null && QDMS != 9999 && ZDMS != 9999 && ZDMS != 9999) {
var MS = (QDMS + ZDMS) / 2
}
var GJ = features[i].attributes.GJ
var pipeParameter = {
distance: distance,
ms: MS,
gj: GJ,
name: Name
}
inputParameters.pipes.push(pipeParameter)
}
resolve(inputParameters);
});
//获取输入管线与剖切线的交点, 获取交点距离剖切线的距离
function getIntersection(inputGraphic) {
var p1Start = new Point(geometry.paths[0][0], new SpatialReference({wkid: 2437}));
var p1End = new Point(geometry.paths[0][1], new SpatialReference({wkid: 2437}));
var p2Start = new Point(inputGraphic.paths[0][0], new SpatialReference({wkid: 2437}));
var p2End = new Point(inputGraphic.paths[0][1], new SpatialReference({wkid: 2437}));
var IntersectionRes = mathUtils.getLineIntersection(p1Start, p1End, p2Start, p2End)
IntersectionRes.spatialReference = new SpatialReference({wkid: 2437})
//判断左侧端点
var leftP = p1Start.x < p1End.x ? p1Start : p1End
var distance = mathUtils.getLength(IntersectionRes, leftP)
var sms = new SimpleMarkerSymbol().setStyle(
SimpleMarkerSymbol.STYLE_SQUARE).setColor(
new Color([255, 0, 0, 0.5]));
var Pgraphic = new Graphic(IntersectionRes, sms);
map.graphics.add(Pgraphic);
return [IntersectionRes, distance];
}
});
});
return p
}
});
</script>
</body>
</html>