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source
DynamicMapLayer
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DynamicDataLayer
允許您使用來自Map服務子圖層的數據或來自已注冊工作空間的數據創建動態圖層的對象。請參閱DynamicMapLayer,了解從Map服務圖層創建動態圖層以進行動態渲染、標記和過濾(定義表達式)。要從已注冊工作空間(例如表和表連接)中的其他源創建動態圖層,請參閱DynamicDataLayer。
例子:
// Creates two sublayers that point to the same map service layer. // Each layer presents different features in the data using // definition expressions and renderers. let mapImageLayer = new MapImageLayer({ sublayers: [{ id: 10, definitionExpression: "POP < 100000", renderer: { type: "simple", // autocasts as new SimpleRenderer() symbol: smallMarker }, source: { type: "map-layer", mapLayerId: 0 } }, { id: 11, definitionExpression: "POP > 100001", renderer: { type: "simple", // autocasts as new SimpleRenderer() symbol: largeMarker }, source: { type: "map-layer", mapLayerId: 0 } }] });
基本信息
以下是所在類或對象的基本信息。
AMD:
require(["esri/layers/support/Sublayer"], (Sublayer) => { /* code goes here */ });
ESM:
import Sublayer from "@arcgis/core/layers/support/Sublayer";
類:
esri/layers/support/Sublayer
繼承: Sublayer > Accessor
自從:用於 JavaScript 4.1 的 ArcGIS API
用法說明
Sublayer.source
函數(或屬性)的定義如下:
相關用法
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注:本文由純淨天空篩選整理自arcgis.com大神的英文原創作品 Sublayer.source。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。