地图模式地图显示

guoshilong

2022-09-26 440828305a83b5e1ffd0f3e4b2b88f7c8c4f128d

 src/components/map/plotMap.vue

@@ -43,6 +43,7 @@
        }

        function initViewer (lat,lon) {
            console.log(11111111111)
            global.viewer = new global.DC.Viewer('viewer-container', {
                contextOptions: {
                    webgl: {
@@ -53,6 +54,7 @@
                },
                sceneMode: 2
            })
            console.log(global,22222222222)

            farmRegionLayer = new global.DC.VectorLayer('farmRegionLayer')
            global.viewer.addLayer(farmRegionLayer)
@@ -234,7 +236,12 @@
        getDetail(this.$farmId).then(res=>{
            this.farm.latitude = res.data.data.latitude
            this.farm.longitude = res.data.data.longitude
            global.DC.ready(initViewer(this.farm.latitude,this.farm.longitude))
            // global.DC.ready(initViewer(this.farm.latitude,this.farm.longitude))

            global.DC.ready(() => {
                initViewer(this.farm.latitude,this.farm.longitude)
            })

            this.addRegionPolyLine(NCregion)
        })
    },
@@ -474,18 +481,7 @@

        // 经纬度测算中心位置
        getCenter (arr) {
            var positionArr = []
            arr.forEach(e=>{
                // e = new global.DC.Namespace.Cesium.Cartesian3(e[0]-0, e[1]-0, 0)
                e[0] = e[0]-0
                e[1] = e[1]-0
                positionArr.push(e)
            })
            positionArr.push(arr[0])
            var positionTurf = [positionArr]
            var polygon = turf.polygon(positionTurf);
            var centroid = turf.centroid(polygon);
            let centerLonLat = []

            // if (arr.length) {
            //     const lon = []
            //     const lat = []
@@ -509,7 +505,22 @@
            //     centerLonLat = [Number(centerLongitude), Number(centerLatitude)]
            //     console.log("中心",centerLonLat)
            // }
            centerLonLat = [centroid.geometry.coordinates[0],centroid.geometry.coordinates[1]]
            let centerLonLat = []
            if(arr.length >= 3 ){
                var positionArr = []
                arr.forEach(e=>{
                    // e = new global.DC.Namespace.Cesium.Cartesian3(e[0]-0, e[1]-0, 0)
                    e[0] = e[0]-0
                    e[1] = e[1]-0
                    positionArr.push(e)
                })
                positionArr.push(arr[0])
                var positionTurf = [positionArr]
                var polygon = turf.polygon(positionTurf);
                var centroid = turf.centroid(polygon);

                centerLonLat = [centroid.geometry.coordinates[0],centroid.geometry.coordinates[1]]
            }
            return centerLonLat
        }
    }