From 332cb84f4e7dad39dc4d7e8a2d2a0717dcf72588 Mon Sep 17 00:00:00 2001
From: guanqb <18720758508@163.com>
Date: Thu, 01 Sep 2022 11:57:23 +0800
Subject: [PATCH] 添加返回引导页

---
 src/components/map/plotMap.vue |  151 +++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 131 insertions(+), 20 deletions(-)

diff --git a/src/components/map/plotMap.vue b/src/components/map/plotMap.vue
index 0e9d0bc..ec98f0f 100644
--- a/src/components/map/plotMap.vue
+++ b/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>

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