From 40ae23a639540a159d9f6f935a5a18943377e6f4 Mon Sep 17 00:00:00 2001
From: guoshilong <123456>
Date: Fri, 09 Sep 2022 17:36:58 +0800
Subject: [PATCH] 修改地图模式品种图片缩放
---
src/components/map/plotMap.vue | 108 ++++++++++++++++++++++++++++++++++++-----------------
1 files changed, 73 insertions(+), 35 deletions(-)
diff --git a/src/components/map/plotMap.vue b/src/components/map/plotMap.vue
index ec98f0f..3c710c3 100644
--- a/src/components/map/plotMap.vue
+++ b/src/components/map/plotMap.vue
@@ -6,6 +6,8 @@
<script>
import NCregion from "@/assets/region"
+import { glob } from "glob"
+import * as turf from '@turf/turf'
var farmRegionLayer = null
var plotRegionLayer = null
@@ -208,7 +210,6 @@
// 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
@@ -293,21 +294,45 @@
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
@@ -442,29 +467,42 @@
// 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 = []
- 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) {
+ // 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)
+ // }
+ centerLonLat = [centroid.geometry.coordinates[0],centroid.geometry.coordinates[1]]
return centerLonLat
}
}
--
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