## 分析服务.FeatureBuffByMultiplyRing(option)

要素缓冲分析（多圈）

Fx 构造函数

#### # new FeatureBuffByMultiplyRing(option)

Zondy.Service.FeatureBuffByMultiplyRing

##### 参数:

名称 | 类型 | 属性 | 默认值 | 描述
--- | --- | --- | --- | ---
`option` | Object |  |  | 属性键值对
`radiusStr` | String | <optional> | "0.003,0.002,0.001" | 设置多圈缓冲分析的缓冲半径字符串

查看源代码 Igserver/MRFWS/FeatureBuffByMultiplyRing.js, line 8

##### Example

    //缓存结果图层的基地址
     var resultBaseUrl = "gdbp://MapGisLocal/OpenLayerVecterMap/sfcls/";
     //初始化Zondy.Object.FeatureGeometry对象
     var regGeo = new Zondy.Object.FeatureGeometry();
     //设置区要素的空间几何信息
     var gReg = new Zondy.Object.GRegion([
     new Zondy.Object.AnyLine([new Zondy.Object.Arc([
     new Zondy.Object.Point2D(0.46, 30.1),
     new Zondy.Object.Point2D(11.48, 6.22),
     new Zondy.Object.Point2D(36.73, 7.6),
     new Zondy.Object.Point2D(58.77, 25.51),
     new Zondy.Object.Point2D(41.33, 49.39)
     ])])
     ]);
     //设置区要素几何信息的方法。
     regGeo.setRegGeom([gReg]);
     //实例化CAttStruct类
     var regAttStr = new Zondy.Object.CAttStruct({
                        FldName: ["ID", "面积", "周长", "LayerID"],
                        FldNumber: 4,
                        FldType: ["FldLong", "FldDouble", "FldDouble", "FldLong"]
                    });
     var values = [1, 0.00058032464704422, 0.132101984752282, 8];
     //创建属性信息对象
     var valuesRow = new Zondy.Object.CAttDataRow(values, 3286);
     //实例化FeatureBuffByMultiplyRing类，设置要素缓冲分析必要参数，输出分析结果到缓冲分析结果图层
     var featureBufByMR = new Zondy.Service.FeatureBuffByMultiplyRing({
                        ip: "develop.smaryun.com",
                        port: "6163",
                        //设置多圈缓冲分析的缓冲半径字符串
                        radiusStr: "5,10,20"
                    });
     featureBufByMR.sfGeometryXML = JSON.stringify([regGeo]);
     featureBufByMR.attStrctXML = JSON.stringify(regAttStr);
     featureBufByMR.attRowsXML = JSON.stringify([valuesRow]);
     featureBufByMR.traceRadius = 0.0001;
     var resultname = "multiBuffAnalysisResultLayer" + self.getCurentTime();
     featureBufByMR.resultName = resultBaseUrl + resultname;
     featureBufByMR.execute(function (res) {
                        console.log(res);
                    }, "get",function (error) {
                        console.log(error);
                    });

### 继承关系

- Zondy.Service.FeatureBuffBase