ArcGIS API For JavaScript 利用GP服务生成等值线、等值面

CJS代码参考如下：

require([
"esri/map",
"esri/layers/ArcGISTiledMapServiceLayer",
"esri/layers/ArcGISDynamicMapServiceLayer",
"esri/geometry/Point",
"esri/SpatialReference",
 
"esri/layers/ImageParameters",
"esri/symbols/SimpleMarkerSymbol",
"esri/symbols/TextSymbol",
"esri/layers/LabelClass",
"esri/renderers/SimpleRenderer",
"esri/layers/FeatureLayer",
"esri/Color",
"esri/symbols/SimpleLineSymbol",
"esri/layers/GraphicsLayer",
"esri/graphic",
"esri/tasks/FeatureSet",
"esri/geometry/geometryEngine",
"esri/tasks/Geoprocessor",
"dojo/domReady!"],
function(Map, ArcGISTiledMapServiceLayer,ArcGISDynamicMapServiceLayer, Point, SpatialReference,
 ImageParameters,SimpleMarkerSymbol,TextSymbol, LabelClass,SimpleRenderer,FeatureLayer,Color,SimpleLineSymbol,GraphicsLayer,Graphic,FeatureSet,geometryEngine,Geoprocessor) {
var map = new Map("map", {
//                        center: new Point(1.3091608700115489E7, 4273624.108445918, new SpatialReference({ wkid: 3857 })),
autoResize:true,
sliderStyle: "small",
logo: false,
showLabels : true
});
var baseSpatialRef = new SpatialReference({"wkt":'GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["degree",0.0174532925199433]]'});
 
var tiled = new ArcGISDynamicMapServiceLayer("http://localhost:6080/arcgis/rest/services/sishui/sishuifeature/MapServer");
map.addLayer(tiled);
 
 
var gp = new Geoprocessor("http://localhost:6080/arcgis/rest/services/test/dengzhimian/GPServer/dengzhimian");
//var gp = new Geoprocessor("http://localhost:6080/arcgis/rest/services/test/dengzhimian2/GPServer/dengzhimian2");
 
var graphicLayer = new GraphicsLayer({id:"dian"});
var sssym = new SimpleMarkerSymbol({
"color": [255,255,255,64],
"size": 12,
"angle": -30,
"xoffset": 0,
"yoffset": 0,
"type": "esriSMS",
"style": "esriSMSCircle",
"outline": {
"color": [0,0,0,255],
"width": 1,
"type": "esriSLS",
"style": "esriSLSSolid"
}
});
var features = [];
var graphic1 = new Graphic(new Point(117.320358,35.725506,baseSpatialRef),sssym,{"zvalue":10});
var graphic2 = new Graphic(new Point(117.251434,35.699341,baseSpatialRef),sssym,{"zvalue":30});
var graphic3 = new Graphic(new Point(117.522662,35.618930,baseSpatialRef),sssym,{"zvalue":400});
var graphic4 = new Graphic(new Point(117.275685,35.564684,baseSpatialRef),sssym,{"zvalue":28});
var graphic5 = new Graphic(new Point(117.447444,35.755972,baseSpatialRef),sssym,{"zvalue":70});
var graphic6 = new Graphic(new Point(117.155146,35.627075,baseSpatialRef),sssym,{"zvalue":100});
var graphic7 = new Graphic(new Point(117.404478,35.651812,baseSpatialRef),sssym,{"zvalue":0});
var graphic8 = new Graphic(new Point(117.105020,35.770945,baseSpatialRef),sssym,{"zvalue":180});
//显示数据源，用于展示等值面效果
graphicLayer.add(graphic1);
graphicLayer.add(graphic2);
graphicLayer.add(graphic3);
graphicLayer.add(graphic4);
graphicLayer.add(graphic5);
graphicLayer.add(graphic6);
graphicLayer.add(graphic7);
graphicLayer.add(graphic8);
map.addLayer(graphicLayer);
//组装输入参数
features.push(graphic1);
features.push(graphic2);
features.push(graphic3);
features.push(graphic4);
features.push(graphic5);
features.push(graphic6);
features.push(graphic7);
features.push(graphic8);
 
var featureset = new FeatureSet();
featureset.features = features;
var para = {
inputpoints:featureset,
zvalue:"zvalue"
//      clipfeature:"xian1"
}
 
//生成矢量等值面
gp.submitJob(para,function(result){
var mianGraphicLayer = new GraphicsLayer({id:"dengzhimian"});
var symbol = new esri.symbol.SimpleFillSymbol();
symbol.setColor(new dojo.Color([150,150,150,0.5]));
var renderer = new esri.renderer.ClassBreaksRenderer(symbol, "gridcode");//根据输出矢量的gridcode字段分类渲染
renderer.addBreak(1,9,new esri.symbol.SimpleFillSymbol().setColor(new dojo.Color([56, 168, 0,0.5])));
renderer.addBreak(10,24,new esri.symbol.SimpleFillSymbol().setColor(new dojo.Color([139, 209, 0,0.5])));
renderer.addBreak(25,49,new esri.symbol.SimpleFillSymbol().setColor(new dojo.Color([255,255,0,0.5])));
renderer.addBreak(50,99,new esri.symbol.SimpleFillSymbol().setColor(new dojo.Color([255,128,0,0.5])));
renderer.addBreak(100,199,new esri.symbol.SimpleFillSymbol().setColor(new dojo.Color([255,128,0,0.5])));
renderer.addBreak(200,Infinity,new esri.symbol.SimpleFillSymbol().setColor(new dojo.Color([255,0,0,0.5])));
mianGraphicLayer.setRenderer(renderer);
 
var jobId = result.jobId;
var status = result.jobStatus;
if(status == esri.tasks.JobInfo.STATUS_SUCCEEDED) {
//成功之后，将其中的结果取出来，当然这也是参数名字。
//在模型中，想要取出中间结果，需要设置为模型参数
gp.getResultData(jobId, "output", function(jobInfo){
var features = jobInfo.value.features;
dojo.forEach(features,function(graphic){
mianGraphicLayer.add(graphic);
});
map.addLayer(mianGraphicLayer);
});
}
});
});

标签：features,GP,JavaScript,Point,ArcGIS,var,new,graphicLayer,esri
来源： https://www.cnblogs.com/devgis/p/16366112.html