From 082613d446e29e4ec1c16bfaa52345106a498b23 Mon Sep 17 00:00:00 2001
From: guoshilong <123456>
Date: Tue, 08 Nov 2022 09:03:49 +0800
Subject: [PATCH] 农事操作隐藏后四个,地图模式2d改为3d

---
 src/components/map/plotMap.vue |  164 ++++++++++++++++++++++++++++++++++++------------------
 1 files changed, 110 insertions(+), 54 deletions(-)

diff --git a/src/components/map/plotMap.vue b/src/components/map/plotMap.vue
index ec98f0f..d2134de 100644
--- a/src/components/map/plotMap.vue
+++ b/src/components/map/plotMap.vue
@@ -6,6 +6,10 @@
 
 <script>
 import NCregion from "@/assets/region"
+import { glob } from "glob"
+import {getDetail } from "@/api/farm/farm"
+import { mapGetters } from "vuex"
+import * as turf from '@turf/turf'
 
 var farmRegionLayer = null
 var plotRegionLayer = null
@@ -20,6 +24,7 @@
     data () {
         return {
             polyline: null,
+            farm:{},
         }
     },
     watch: {
@@ -30,14 +35,14 @@
         }
     },
     computed: {
-
+        ...mapGetters(["$farmId"]),
     },
     mounted () {
         if (global.viewer != null) {
             global.viewer = null
         }
 
-        function initViewer () {
+        function initViewer (lat,lon) {
             global.viewer = new global.DC.Viewer('viewer-container', {
                 contextOptions: {
                     webgl: {
@@ -46,7 +51,6 @@
                         preserveDrawingBuffer: true
                     }
                 },
-                sceneMode: 2
             })
 
             farmRegionLayer = new global.DC.VectorLayer('farmRegionLayer')
@@ -208,12 +212,11 @@
             //         maximumLevel: 18
             //     })
             // )
-
             global.viewer.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(
-                    116.56705776, 27.42386903, 1800.0
+                    lon, lat, 1800.0
                 ),
                 orientation: {
                     // 指向
@@ -227,8 +230,17 @@
             // global.viewer.locationBar.enable = true
         }
 
-        global.DC.ready(initViewer)
-        this.addRegionPolyLine(NCregion)
+        getDetail(this.$farmId).then(res=>{
+            this.farm.latitude = res.data.data.latitude
+            this.farm.longitude = res.data.data.longitude
+            // global.DC.ready(initViewer(this.farm.latitude,this.farm.longitude))
+
+            global.DC.ready(() => {
+                initViewer(this.farm.latitude,this.farm.longitude)
+            })
+
+            this.addRegionPolyLine(NCregion)
+        })
     },
     methods: {
         /**
@@ -293,39 +305,65 @@
             if (item.strainUrl != "") {
                 const urls = item.strainUrl.split(',')
                 let imageStr = `<div class="farm-map-icon">`
+                var i = 0;
+                //billboard image可以添加canvas
+                // const canvas = document.createElement('canvas');
+                // var ctx=c.getContext("2d");
                 urls.forEach(url => {
-                    imageStr += `<img src="${url}" alt=""width="100px" height="100px" text-align="center" class="strainImg">`
+                    // imageStr += `<img src="${url}" alt=""width="100px" height="100px" text-align="center" class="strainImg">`
+                    // imageStr += `<img src="${url}" alt=""width="50%" height="auto" text-align="center" class="strainImg">`
+                    global.viewer.entities.add({
+                        position: global.DC.Namespace.Cesium.Cartesian3.fromDegrees(center[0]-(i*0.002) + (i*0.00120), center[1]),
+                        billboard: {
+                            image: url, // default: undefined
+                            scaleByDistance: new global.DC.Namespace.Cesium.NearFarScalar(0, 1.5, 50000, 0.3),
+                            width:50,
+                            height:50,
+                        },
+                    })
+                    i++;
+
                 })
-                imageStr += `</div>`
-                const divIcon = new global.DC.DivIcon(
-                    new global.DC.Position(center[0], center[1], 0), imageStr
-                )
-
-                divIcon.attrParams = item
-                farmLogoLayer.addOverlay(divIcon)
-
-
-                // divIcon.on(global.DC.MouseEventType.CLICK, (e) => {
-                //     that.$parent.showDetailPopup(e.overlay.attrParams)
+                // imageStr += `</div>`
+                // const divIcon = new global.DC.DivIcon(
+                //     new global.DC.Position(center[0], center[1], 0), imageStr
+                // )
+                // divIcon.attrParams = item
+                // divIcon.setStyle({
+                //     className:"ttttttt",
+                //     scaleByDistance:new global.DC.Namespace.Cesium.NearFarScalar(0, 2, 50000, 0.5),
+                //     // scaleByDistance:{
+                //     //     near: 0, //最近距离
+                //     //     nearValue: 0.8, //最近距离值
+                //     //     far:17118300, //最远距离值
+                //     //     farValue: 0.5 //最远距离值
+                //     // },
+                //     // distanceDisplayCondition:{
+                //     //     near:0,
+                //     //     far:17118300
+                //     // }
                 // })
+                // farmLogoLayer.addOverlay(divIcon)
             }
-            const polygon = new global.DC.Polygon(positions)
-            polygon.attrParams = item
-            polygon.setStyle({
-                material: global.DC.Namespace.Cesium.Color.fromBytes(
-                    129, 255, 84,
-                    200
-                )
-            })
+            if(positions){
+                const polygon = new global.DC.Polygon(positions)
+                polygon.attrParams = item
+                polygon.setStyle({
+                    material: global.DC.Namespace.Cesium.Color.fromBytes(
+                        129, 255, 84,
+                        200
+                    )
+                })
 
-            polygon.on(global.DC.MouseEventType.CLICK, (e) => {
-                that.$parent.plotDetailsPopupShow(e.overlay.attrParams)
-                that.drawLandPolyLine(positions)
-            })
+                polygon.on(global.DC.MouseEventType.CLICK, (e) => {
+                    that.$parent.plotDetailsPopupShow(e.overlay.attrParams)
+                    that.drawLandPolyLine(positions)
+                })
 
 
-            plotRegionLayer.addOverlay(polygon)
-            addPlotLayers.push({ center, name: item.landName, id: item.id })
+                plotRegionLayer.addOverlay(polygon)
+                addPlotLayers.push({ center, name: item.landName, id: item.id })
+            }
         },
         /**
          * 地块画线
@@ -406,6 +444,7 @@
 
             // 根据坐标画线
             const positions = this.setPositionByLandRange(landObj.landRange)
+          console.log(positions,123455555)
             if (positions) {
                 this.drawLandPolyLine(positions)
             }
@@ -442,28 +481,45 @@
 
         // 经纬度测算中心位置
         getCenter (arr) {
+
+            // if (arr.length) {
+            //     const lon = []
+            //     const lat = []
+            //     const poly = []
+            //     for (let i = 0, len = arr.length; i < len; i++) {
+            //         lon.push(arr[i][0])
+            //         lat.push(arr[i][1])
+            //     }
+            //     for (let i = 0, len = lon.length; i < len; i++) {
+            //         poly.push({
+            //             x: parseFloat(lon[i]),
+            //             y: parseFloat(lat[i]),
+            //             z: 0
+            //         })
+            //     }
+            //     const sortedLongitudeArray = poly.map(item => item.x).sort()
+            //     const sortedLatitudeArray = poly.map(item => item.y).sort()
+            //     const centerLongitude = ((parseFloat(sortedLongitudeArray[0]) + parseFloat(sortedLongitudeArray[sortedLongitudeArray.length - 1])) / 2).toFixed(14)
+            //     const centerLatitude = ((parseFloat(sortedLatitudeArray[0]) + parseFloat(sortedLatitudeArray[sortedLatitudeArray.length - 1])) / 2).toFixed(14)
+            //     console.log("经度",centerLongitude, "纬度",centerLatitude)
+            //     centerLonLat = [Number(centerLongitude), Number(centerLatitude)]
+            //     console.log("中心",centerLonLat)
+            // }
             let centerLonLat = []
-            if (arr.length) {
-                const lon = []
-                const lat = []
-                const poly = []
-                for (let i = 0, len = arr.length; i < len; i++) {
-                    lon.push(arr[i][0])
-                    lat.push(arr[i][1])
-                }
-                for (let i = 0, len = lon.length; i < len; i++) {
-                    poly.push({
-                        x: parseFloat(lon[i]),
-                        y: parseFloat(lat[i]),
-                        z: 0
-                    })
-                }
-                const sortedLongitudeArray = poly.map(item => item.x).sort()
-                const sortedLatitudeArray = poly.map(item => item.y).sort()
-                const centerLongitude = ((parseFloat(sortedLongitudeArray[0]) + parseFloat(sortedLongitudeArray[sortedLongitudeArray.length - 1])) / 2).toFixed(14)
-                const centerLatitude = ((parseFloat(sortedLatitudeArray[0]) + parseFloat(sortedLatitudeArray[sortedLatitudeArray.length - 1])) / 2).toFixed(14)
-                console.log(centerLongitude, centerLatitude)
-                centerLonLat = [Number(centerLongitude), Number(centerLatitude)]
+            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
         }

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