Arcgis api3.x加载自定义点
loadModules(["esri/graphic", "esri/layers/GraphicsLayer", "esri/symbols/PictureMarkerSymbol", "esri/geometry/Point"]).then(([Graph...
譬如朝露
ArcGIS API3.x For Javascript之查询功能
在ArcGIS API中查询功能是非常常用的，Esri给我们提供了三个类用于实现矢量数据查询功能。FindTask,QueryTask,IdentifyTask，他们之间的区...
arcgis api生成缓冲区范围，根据缓冲区查询数据
useEffect(() => { if (view && topType) { let heatMapLayer = view.map.findLayerById('heatmaplayer'); ...
arcgis api 使用Draw绘制点线面
import MapBox from '@/components/MapBox' import MapView from '@arcgis/core/views/MapView'; import { Button, Space ...
Arcgis api 4.x单击查询打开弹窗，并且显示多个数据
view?.on("click", event => { let { mapPoint } = event; var identifyTask = new IdentifyTask({ url:...
arcgis js 4.X查询（identify、find、query）
arcgis js 4.10 图属查询方法有三种：query、find、identify1. 对比方法范围查询模式输入参数identifymap service（多图层）查询模糊...
arcgis api4.x绘制园
let layer = new GraphicsLayer({ id: "circleLayer" }); view?.on("click", event => { layer.removeAll(); ...
arcgis api测距,测面，放大缩小等小部件自定义
export default function Tools(props: { view: MapView }) { const [select, setSelect] = useState('') const [isFullSc...