-
timeExtent
TimeExtent
autocast
- 自從:ArcGIS 適用於 JavaScript 4.14 的 API
圖層的時間範圍。當圖層的 useViewTime 為
false
時,圖層指示視圖根據此時間範圍顯示來自圖層的數據。如果useViewTime
為true
,並且同時設置了圖層和視圖時間範圍,則將顯示位於視圖和圖層時間範圍交集內的要素。例如,如果圖層的時間範圍設置為顯示 1970 年至 1975 年之間的要素,並且視圖的時間範圍設置為 1972-1980 年,則要素圖層上的有效時間將為 1972-1975 年。默認值:null
例子:
if (!layer.useViewTime) { if (layer.timeExtent) { console.log("Current timeExtent:", layer.timeExtent.start, " - ", layer.timeExtent.end} } else { console.log("The layer will display data within the view's timeExtent."); console.log("Current view.timeExtent:", view.timeExtent.start, " - ", view.timeExtent.end} } }
// set the timeExtent on the layer and useViewTime false // In this case, the layer will honor its timeExtent and ignore // the view's timeExtent const layer = new ImageryLayer({ url: "https://sampleserver6.arcgisonline.com/arcgis/rest/services/ScientificData/SeaTemperature/ImageServer", timeExtent: { start: new Date(2014, 4, 18), end: new Date(2014, 4, 19) }, useViewTime: false });
// timeExtent is set on the layer and the view // In this case, the layer will display features that fall // within the intersection of view and layer time extents // features within Jan 1, 1976 - Jan 1, 1981 will be displayed const view = new MapView({ timeExtent: { start: new Date(1976, 0, 1), end: new Date(2002, 0, 1) } }); const layer = new FeatureLayer({ url: myUrl, timeExtent: { start: new Date(1974, 0, 1), end: new Date(1981, 0, 1) } });
基本信息
以下是所在類或對象的基本信息。
AMD:
require(["esri/layers/StreamLayer"], (StreamLayer) => { /* code goes here */ });
ESM:
import StreamLayer from "@arcgis/core/layers/StreamLayer";
類:
esri/layers/StreamLayer
繼承: StreamLayer > Layer > Accessor
自從:用於 JavaScript 4.0 的 ArcGIS API
用法說明
StreamLayer.timeExtent
函數(或屬性)的定義如下:
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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 StreamLayer.timeExtent。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。