Merge remote-tracking branch 'origin/master'

罗广辉

2026-01-17 c53aab006b9db28e62381dba4fca4d77ec3566b0

 applications/drone-command/src/utils/cesium/adminBoundary.js

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import * as Cesium from 'cesium'
import jaGeojsonRaw from '@/assets/geojson/ja.geojson?raw'

const DEFAULT_OPTIONS = {
   strokeColor: '#00F9EC',
   strokeWidth: 2,
   fillColor: '#FFFFFF',
   fillAlpha: 0.05,
   labelFont: '14px Source Han Sans CN',
   labelFill: '#FFFFFF',
   labelOutline: '#18305C',
   labelOutlineAlpha: 1,
   zoomTo: true,
}

export const loadJaAdminBoundary = async (viewer, options = {}) => {
   if (!viewer) return null
   const config = { ...DEFAULT_OPTIONS, ...options }
   const geojson = JSON.parse(jaGeojsonRaw)

   const boundarySource = await Cesium.GeoJsonDataSource.load(geojson, {
      stroke: Cesium.Color.fromCssColorString(config.strokeColor),
      strokeWidth: config.strokeWidth,
      fill: Cesium.Color.fromCssColorString(config.fillColor).withAlpha(config.fillAlpha),
      clampToGround: true,
   })
   viewer.dataSources.add(boundarySource)

   const lineSource = new Cesium.CustomDataSource('jaBoundaryLineSource')
   boundarySource.entities.values.forEach(entity => {
      const polygon = entity.polygon
      if (!polygon) return
      const hierarchy = polygon.hierarchy?.getValue?.(viewer.clock.currentTime)
      const positions = hierarchy?.positions
      if (!positions?.length) return
      lineSource.entities.add({
         polyline: {
            positions,
            clampToGround: true,
            width: config.strokeWidth,
            material: Cesium.Color.fromCssColorString(config.strokeColor),
         },
      })
   })
   viewer.dataSources.add(lineSource)

   const labelSource = new Cesium.CustomDataSource('jaBoundaryLabelSource')
   geojson.features?.forEach(feature => {
      const name = feature?.properties?.name
      const point = feature?.properties?.centroid || feature?.properties?.center
      if (!name || !Array.isArray(point) || point.length < 2) return
      labelSource.entities.add({
         position: Cesium.Cartesian3.fromDegrees(point[0], point[1]),
         label: {
            text: name,
            font: config.labelFont,
            fillColor: Cesium.Color.fromCssColorString(config.labelFill),
            outlineColor: Cesium.Color.fromCssColorString(config.labelOutline).withAlpha(
               config.labelOutlineAlpha
            ),
            outlineWidth: 2,
            style: Cesium.LabelStyle.FILL_AND_OUTLINE,
            heightReference: Cesium.HeightReference.CLAMP_TO_GROUND,
            verticalOrigin: Cesium.VerticalOrigin.CENTER,
            horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
            disableDepthTestDistance: Number.POSITIVE_INFINITY,
         },
      })
   })
   viewer.dataSources.add(labelSource)

   if (config.zoomTo) {
      await viewer.flyTo(boundarySource, {
         duration: 0,
         offset: new Cesium.HeadingPitchRange(0, Cesium.Math.toRadians(-75), 0),
      })
   }

   return { boundarySource, lineSource, labelSource }
}

export const removeJaAdminBoundary = (viewer, sources) => {
   if (!viewer || !sources) return
   const { boundarySource, lineSource, labelSource } = sources
   if (boundarySource) viewer.dataSources.remove(boundarySource)
   if (lineSource) viewer.dataSources.remove(lineSource)
   if (labelSource) viewer.dataSources.remove(labelSource)
}