上饶市警务平台后台管理前端
guanqb
2023-04-28 66a7abeb8d4fd7cc96204bd98e5bc472f6bbd1bb
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<template>
    <div>
        <div id="search-viewer-container" style="height: 50vh; width: 100%"></div>
    </div>
</template>
 
<script>
 
let pointLayer = null
export default {
    name: "dcSearchMap",
    props: ['isDetail', 'point'],
    data () {
        return {
            currentPoint: null,
            //绘制工具
            plotTool: null,
            coordinates: []
        }
    },
    created () {
 
    },
    mounted () {
 
    },
    methods: {
        init () {
            let self = this
            if (global.searchViewer != null) {
                global.searchViewer = null
            }
 
            global.DC.ready(() => {
                initViewer()
            })
 
            function initViewer () {
                //配置viewer
                global.searchViewer = new global.DC.Viewer('search-viewer-container', {
                    contextOptions: {
                        webgl: {
                            alpha: true,
                            stencil: true,
                            preserveDrawingBuffer: true
                        }
                    },
                    sceneMode: 2
                })
 
                //加载地图
                // global.searchViewer.imageryLayers.addImageryProvider(
                //     new global.DC.Namespace.Cesium.UrlTemplateImageryProvider({
                //         url: 'https://webmap-tile.sf-express.com/MapTileService/rt?fetchtype=static&x={x}&y={y}&z={z}&project=sfmap&pic_size=256&pic_type=png8&data_name=361100&data_format=merged-dat&data_type=normal',
                //         format: 'image/jpeg',
                //         show: true,
                //         maximumLevel: 18
                //     })
                // )
 
                global.searchViewer.imageryLayers.addImageryProvider(
                    new global.DC.Namespace.Cesium.WebMapTileServiceImageryProvider({
                        url: "http://10.141.11.11:80/slapi/MapTileService/wmts?STORETYPE=merged-dat&PROJECTION=4326",
                        layer: "wmts_4326_361100",
                        style: "default",
                        format: "image/png",
                        tileMatrixSetID: "c",
                        tileMatrixLabels: new Array(18).fill(0).map((v, i) => i + 1),
                        tilingScheme: new global.DC.Namespace.Cesium.GeographicTilingScheme(),
                    })
                )
 
                //添加图层
                pointLayer = new global.DC.VectorLayer('polygonLayer')
                global.searchViewer.addLayer(pointLayer)
 
                self.plotTool = new global.DC.Plot(global.searchViewer, {
                    icon_center: "/img/dwicon.jpeg", // 自定义的中心点图标
                    icon_anchor: "/img/dwicon.jpeg", //自定义的锚点图标
                    icon_midAnchor: "/img/dwicon.jpeg", //自定义的中心锚点图标
                    icon_size: [12, 12],//自定义的中心锚点大小
                    clampToModel: false // 点位是否获取模型表面坐标
                })
 
                //初始化定位
                global.searchViewer.camera.setView({
                    // 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
                    // fromDegrees()方法,将经纬度和高程转换为世界坐标
                    destination: global.DC.Namespace.Cesium.Cartesian3.fromDegrees(
                        //设置坐标为上饶市信州区
                        117.966460, 28.431002, 5000.0
                    ),
                    orientation: {
                        // 指向
                        heading: global.DC.Namespace.Cesium.Math.toRadians(0, 0),
                        // 视角
                        pitch: global.DC.Namespace.Cesium.Math.toRadians(-90),
                        roll: 0.0
                    }
                })
 
            }
 
            this.showPoint(this.point)
 
            this.draw()
 
        },
        //开始绘画
        draw () {
            const self = this
            if (this.polygon) {
                this.clearDraw()
            }
            //鼠标左键事件
            let leftClick = function (event) {
                if (self.currentPoint) {
                    pointLayer.removeOverlay(self.currentPoint)
                    self.currentPoint = null
                }
                let point = new global.DC.Billboard(new global.DC.Position(event.wgs84SurfacePosition.lng, event.wgs84SurfacePosition.lat), 'img/dwicon.jpeg')
                // point.setStyle({
                //     pixelSize: 10,
                //     color: global.DC.Color.RED, //颜色
                //     outlineColor: global.DC.Color.WHITE, //边框颜色
                //     outlineWidth: 2, //边框大小,
                // })
                self.currentPoint = point
                pointLayer.addOverlay(point)
                let pointLonLat = [event.wgs84SurfacePosition.lng, event.wgs84SurfacePosition.lat]
                self.$emit("getMapData", pointLonLat)
            }
            //添加鼠标左键事件
            global.searchViewer.on(global.DC.MouseEventType.LEFT_DOWN, leftClick)
        },
        //重置
        clearDraw () {
            this.polygonLayer.clear()
        },
        //转换成数据库数据
        doData (val) {
            let str = "LINESTRING("
            for (let k = 0; k < val.length; k++) {
                str += `${val[k][0]} ${val[k][1]}`
                if (k != val.length - 1) {
                    str += ","
                }
            }
            str = str + "," + `${val[0][0]} ${val[0][1]}`
            str += ")"
            // console.log(str)
            return '\'' + str + '\''
        },
        //回显点
        showPoint (positions) {
            let viewer = global.searchViewer
            if (positions) {
                let pointData = ""
                let pointArray = []
                pointData = positions.match(/\(([^)]*)\)/)
                pointArray = pointData[1].split(" ")
 
                let position = new global.DC.Position(pointArray[0], pointArray[1])
                let point = new global.DC.Billboard(position, 'img/dwicon.jpeg')
                // point.setStyle({
                //     pixelSize: 10,
                //     color: global.DC.Color.RED, //颜色
                //     outlineColor: global.DC.Color.WHITE, //边框颜色
                //     outlineWidth: 2, //边框大小,
                // })
                this.currentPoint = point
                pointLayer.addOverlay(point)
                viewer.flyTo(pointLayer)
            }
        },
        setView (points) {
            if (points) {
                let position = new global.DC.Position(Number(points.lng), Number(points.lat), 2000, 0, -90, 0)
                let point = new global.DC.Billboard(position, 'img/dwicon.jpeg')
                this.currentPoint = point
                pointLayer.clear()
                pointLayer.addOverlay(point)
                global.searchViewer.flyToPosition(
                    new global.DC.Position(Number(points.lng), Number(points.lat), 2000, 0, -90, 0)
                )
            }
        }
    }
}
</script>
 
<style scoped></style>