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featureEffect
FeatureEffect
autocast
- 自从:ArcGIS 适用于 JavaScript 4.22 的 API
featureEffect 可用于吸引感兴趣的注意力特征。它允许通过 filter 选择特征,并且将 includedEffect 和 excludedEffect 应用于分别通过或未通过过滤器要求的那些特征。
注意
- 如果需要将效果应用到整个图层,请设置效果属性。
- 如果在图层上设置了
featureEffect
,它将被layerView.featureEffect
继承,除非开发人员在图层视图上覆盖它。如果设置了这两个属性,layerView.featureEffect
将优先于layer.featureEffect
。 - 如果应用了以下所有四个属性,那么它们将按以下顺序应用:
featureEffect
、效果、不透明度和混合模式。
已知限制
- 以下场景不支持FeatureEffect:
- 在 3D 中SceneViews
- 在使用HeatmapRenderer 渲染的图层中
- 当 FeatureReductionCluster 启用时
- 有关已知的打印限制,请参阅print。
例子:
// gray out features that fall outside of the 3 mile buffer of the mouse's location // by setting feature effect on excluded features layer.featureEffect = new FeatureEffect({ filter: new FeatureFilter({ geometry: filterGeometry, spatialRelationship: "intersects", distance: 3, units: "miles" }), excludedEffect: "grayscale(100%) opacity(30%)" });
// Apply a drop-shadow feature effect to the features that intersect the borough boundaries, // while applying blur and brightness effects to the features that are excluded from filter criteria. // The resulting map will make it easier to spot if the residents are more likely to experience deprivation // if they live on a borough boundary. const featureFilter = new FeatureFilter({ where: "BoroughEdge='true'" }); layer.featureEffect = new FeatureEffect({ filter: featureFilter, includedEffect: "drop-shadow(3px, 3px, 3px, black)", excludedEffect: "blur(1px) brightness(65%)" });
基本信息
以下是所在类或对象的基本信息。
AMD:
require(["esri/layers/CSVLayer"], (CSVLayer) => { /* code goes here */ });
ESM:
import CSVLayer from "@arcgis/core/layers/CSVLayer";
类:
esri/layers/CSVLayer
继承: CSVLayer > Layer > Accessor
自从:用于 JavaScript 4.1 的 ArcGIS API
用法说明
CSVLayer.featureEffect
函数(或属性)的定义如下:
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注:本文由纯净天空筛选整理自arcgis.com大神的英文原创作品 CSVLayer.featureEffect。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。