添加返回引导页

guanqb

2022-09-01 332cb84f4e7dad39dc4d7e8a2d2a0717dcf72588

 src/components/map/plotMap.vue

@@ -5,10 +5,12 @@
</template>

<script>
import NCregion from "@/assets/region"

var farmRegionLayer = null
var plotRegionLayer = null
var farmLogoLayer = null
var regionPolyLineLayer = null
var addLayers = []
var addPlotLayers = []

@@ -17,10 +19,16 @@

    data () {
        return {

            polyline: null,
        }
    },

    watch: {
        'polyline' (newObj, oldObj) {
            if (newObj && oldObj) {
                plotRegionLayer.removeOverlay(oldObj)
            }
        }
    },
    computed: {

    },
@@ -49,6 +57,9 @@

            farmLogoLayer = new global.DC.HtmlLayer('farmLogoLayer')
            global.viewer.addLayer(farmLogoLayer)
            // 南城县边界数据
            regionPolyLineLayer = new global.DC.VectorLayer('regionPolyLineLayer')
            global.viewer.addLayer(regionPolyLineLayer)

            if (global.DC.Namespace.Cesium.FeatureDetection.supportsImageRenderingPixelated()) { // 判断是否支持图像渲染像素化处理
                global.viewer.setOptions({
@@ -217,8 +228,33 @@
        }

        global.DC.ready(initViewer)
        this.addRegionPolyLine(NCregion)
    },
    methods: {
        /**
         * 添加南城县边界的数据
         * @param {string} url arcgis服务地址
         */
        addRegionPolyLine (regionJSON) {
            let position = ''

            regionJSON.features[0].geometry.rings[0].forEach(item => {
                position += `${item[0]}, ${item[1]};`
            })

            // console.log(position, 565656)

            const polyline = new global.DC.Polyline(position)
            polyline.setStyle({
                width: 4,
                material: global.DC.Namespace.Cesium.Color.fromBytes(
                    244, 157, 21,
                    200
                ),
                clampToGround: true
            })
            regionPolyLineLayer.addOverlay(polyline)
        },
        addPolygon (positions, item) {
            const that = this

@@ -253,25 +289,26 @@

        addPlotPolygon (positions, item) {
            const that = this

            const center = this.getCenter(positions)
            if (item.strainUrl != "") {
                const urls = item.strainUrl.split(',')
                let imageStr = `<div class="farm-map-icon">`
                urls.forEach(url => {
                    imageStr += `<img src="${url}" alt=""width="100px" height="100px" text-align="center" class="strainImg">`
                })
                imageStr += `</div>`
                const divIcon = new global.DC.DivIcon(
                    new global.DC.Position(center[0], center[1], 0), imageStr
                )

            // const divIcon = new global.DC.DivIcon(
            //     new global.DC.Position(center[0], center[1], 0),
            //     `
            //             <div class="farm-map-icon">
            //                 <img src="/img/icon/3858.png" alt="">
            //                 // <div>${item.farmName}</div>
            //             </div>
            //             `
            // )
            // divIcon.attrParams = item
            // farmLogoLayer.addOverlay(divIcon)
                divIcon.attrParams = item
                farmLogoLayer.addOverlay(divIcon)

            // divIcon.on(global.DC.MouseEventType.CLICK, (e) => {
            //     that.$parent.showDetailPopup(e.overlay.attrParams)
            // })

                // divIcon.on(global.DC.MouseEventType.CLICK, (e) => {
                //     that.$parent.showDetailPopup(e.overlay.attrParams)
                // })
            }
            const polygon = new global.DC.Polygon(positions)
            polygon.attrParams = item
            polygon.setStyle({
@@ -283,10 +320,49 @@

            polygon.on(global.DC.MouseEventType.CLICK, (e) => {
                that.$parent.plotDetailsPopupShow(e.overlay.attrParams)
                that.drawLandPolyLine(positions)
            })


            plotRegionLayer.addOverlay(polygon)
            addPlotLayers.push({ center, name: item.landName })
            addPlotLayers.push({ center, name: item.landName, id: item.id })
        },
        /**
         * 地块画线
         * @param positions
         */
        drawLandPolyLine (positions) {
            // 画线
            this.polyline = new global.DC.Polyline(positions)
            this.polyline.setStyle({
                width: 4,
                material: global.DC.Namespace.Cesium.Color.fromBytes(
                    200, 255, 255,
                    200
                ),
                clampToGround: true
            })
            plotRegionLayer.addOverlay(this.polyline)
        },
        /**
         * 将数据库保存值转换成Map使用坐标
         * @param landRange 数据库的值
         * @returns {*[]} Map使用坐标
         */
        setPositionByLandRange (landRange) {
            if (landRange) {
                landRange = landRange.replace(/POLYGON\(\(/g, '')
                landRange = landRange.replace(/\)\)/g, '')

                const arr = landRange.split(',')
                var brr = []
                arr.forEach(it => {
                    brr.push(it.split(' '))
                })

                return brr
            }
            return null
        },

        setCenter (name) {
@@ -313,13 +389,26 @@
            })
        },

        setPlotCenter (name) {
        setPlotCenter (landObj) {
            if (!landObj.landRange) {
                this.$message({
                    message: '当前地块暂未绘制',
                    type: 'warning'
                })
                return
            }
            let center
            addPlotLayers.forEach(item => {
                if (name == item.name) {
                if (landObj.landName == item.name) {
                    center = item.center
                }
            })

            // 根据坐标画线
            const positions = this.setPositionByLandRange(landObj.landRange)
            if (positions) {
                this.drawLandPolyLine(positions)
            }

            global.viewer.camera.flyTo({
                // Cesium的坐标是以地心为原点，一向指向南美洲，一向指向亚洲，一向指向北极州
@@ -334,6 +423,20 @@
                    pitch: global.DC.Namespace.Cesium.Math.toRadians(-90),
                    roll: 0.0
                }
            })
        },

        setPlotAttr (params) {
            let overLayers = plotRegionLayer.getOverlays()

            overLayers.some(item => {

                if (item.attrParams.id == params.id) {
                    item.attrParams = params

                    return true
                }

            })
        },

@@ -380,4 +483,12 @@
    z-index: 99;
    overflow: hidden;
}
.div-icon {
    background-color: transparent !important;
}
.strainImg {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}
</style>