From 884c5978fed0eea6da626ef9d5ec0f2ee0381d80 Mon Sep 17 00:00:00 2001
From: shuishen <1109946754@qq.com>
Date: Sat, 19 Mar 2022 15:57:27 +0800
Subject: [PATCH] 热力图
---
src/components/map/components/dimension.vue | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 166 insertions(+), 0 deletions(-)
diff --git a/src/components/map/components/dimension.vue b/src/components/map/components/dimension.vue
index 93556d6..3ef79c3 100644
--- a/src/components/map/components/dimension.vue
+++ b/src/components/map/components/dimension.vue
@@ -1,5 +1,29 @@
<template>
<div class="dimension-cut">
+ <el-button
+ v-show="btnGroupShow"
+ size="mini"
+ class="three-stm"
+ type="primary"
+ @click="locationSTM"
+ >s3m</el-button>
+
+ <el-button
+ v-show="btnGroupShow"
+ size="mini"
+ class="sat-stm"
+ type="primary"
+ @click="locationSAT"
+ >科技</el-button>
+
+ <el-button
+ v-show="btnGroupShow"
+ size="mini"
+ class="sat-tc"
+ type="primary"
+ @click="locationTC"
+ >热力图</el-button>
+
<el-radio-group v-model="dimensionValue" size="medium" @change="dimensionChange">
<el-radio-button label="三 维"></el-radio-button>
<el-radio-button label="真三维"></el-radio-button>
@@ -26,12 +50,19 @@
let select = null
+let streenMlayer = null
+
+let layerSat = null
+let layerSATtwo = null
+let tcLayer = null
+
const wallLayer = null
export default {
name: 'dimension',
data () {
return {
+ btnGroupShow: false,
dimensionValue: '三 维',
// 建筑2.5D地图
// 建筑2.5D面数据
@@ -537,6 +568,10 @@
}
},
methods: {
+ locationSTM () {
+ global.viewer.flyToPosition('116.45793269658417,39.92711385557482,617.5967826044838,181.95219395269424,-21.286437065473546')
+ },
+
mouseMoveEvent (e) {
var that = this
@@ -801,12 +836,114 @@
}
},
+ locationSAT () {
+ global.viewer.flyToPosition('121.4941629,31.2091462,1859.56,0,-28.71')
+ },
+
+ locationTC () {
+ global.viewer.flyToPosition('120.670183527,31.348282115,109658.22,0,-89.90659095062371')
+ },
+
+ generatePosition (num) {
+ const list = []
+ for (let i = 0; i < num; i++) {
+ const lng = 120.38105869 + Math.random() * 0.5
+ const lat = 31.10115627 + Math.random() * 0.5
+ list.push(new global.DC.Position(lng, lat))
+ }
+ return list
+ },
+
+ removeTC () {
+ global.viewer.removeLayer(tcLayer)
+ tcLayer = null
+ },
+
+ createTC () {
+ tcLayer = new global.DC.HeatLayer('tcLayer', {
+ useGround: true,
+ radius: 40
+ })
+ global.viewer.addLayer(tcLayer)
+ const positions = this.generatePosition(3000)
+ tcLayer.setPositions(positions)
+ },
+
+ // 科技感删除
+ removeSAT () {
+ global.viewer.remove(layerSat)
+ global.viewer.remove(layerSATtwo)
+ layerSat = null
+ layerSATtwo = null
+ },
+
+ // 科技感添加
+ createSAT () {
+ function generatePosition (num, isAdd) {
+ const list = []
+ for (let i = 0; i < num; i++) {
+ const lng = 121.49536592256028 + Math.random() * 0.04 * (isAdd ? 1 : -1)
+ const lat = 31.241616722278213 + Math.random() * 0.04 * (isAdd ? 1 : -1)
+ list.push({ lng, lat })
+ }
+ return list
+ }
+
+ layerSat = new global.DC.TilesetLayer('layerSat').addTo(global.viewer)
+
+ const build = new global.DC.Tileset(
+ 'http://resource.dvgis.cn/data/3dtiles/ljz/tileset.json',
+ { skipLevels: true }
+ )
+
+ const fs = `
+ varying vec3 v_positionEC;
+ void main(void){
+ vec4 position = czm_inverseModelView * vec4(v_positionEC,1); // 位置
+ float glowRange = 100.0; // 光环的移动范围(高度)
+ gl_FragColor = vec4(0.2, 0.5, 1.0, 1.0); // 颜色
+ gl_FragColor *= vec4(vec3(position.z / 100.0), 1.0); // 渐变
+ // 动态光环
+ float time = fract(czm_frameNumber / 360.0);
+ time = abs(time - 0.5) * 2.0;
+ float diff = step(0.005, abs( clamp(position.z / glowRange, 0.0, 1.0) - time));
+ gl_FragColor.rgb += gl_FragColor.rgb * (1.0 - diff);
+ }
+ `
+ build.setCustomShader(fs)
+
+ layerSat.addOverlay(build)
+
+ layerSATtwo = new global.DC.PrimitiveLayer('layer').addTo(global.viewer)
+
+ let positions = generatePosition(50, true)
+
+ positions = positions.concat(generatePosition(50))
+
+ positions.forEach(item => {
+ const position = global.DC.Position.fromObject(item)
+ const end = position.copy()
+ end.alt = 5000 * Math.random()
+ const line = new global.DC.FlowLinePrimitive([position, end], 0.5)
+ line.setStyle({
+ speed: 6 * Math.random(),
+ color: global.DC.Color.fromCssColorString('rgb(141,172,172)'),
+ percent: 0.1,
+ gradient: 0.01
+ })
+ layerSATtwo.addOverlay(line)
+ })
+ },
+
dimensionChange () {
var that = this
that.$store.commit('SET_TWOORTHREE', that.dimensionValue)
if (that.dimensionValue == '真三维') {
+ that.btnGroupShow = true
+ that.createSAT()
+ that.createTC()
global.viewer.off(global.DC.MouseEventType.MOUSE_MOVE, that.mouseMoveEvent)
global.viewer.off(global.DC.SceneEventType.CAMERA_CHANGED, that.mapCameraEvent)
that.removeLayers()
@@ -827,6 +964,9 @@
tilesetLayer.addOverlay(tileset)
tileset.on(global.DC.MouseEventType.CLICK, that.tilesetClick)
tilesetLayer.show = true
+
+ streenMlayer = new global.DC.S3MLayer('streenMlayer', 'http://resource.dvgis.cn/data/3dtiles/CBD/cbd.scp')
+ global.viewer.addLayer(streenMlayer)
// 最小
global.viewer.scene.screenSpaceCameraController.minimumZoomDistance = 1.0
// 最大
@@ -852,6 +992,9 @@
}
})
} else {
+ that.btnGroupShow = false
+ that.removeSAT()
+ that.removeTC()
global.viewer.on(global.DC.MouseEventType.MOUSE_MOVE, that.mouseMoveEvent)
global.viewer.on(global.DC.SceneEventType.CAMERA_CHANGED, that.mapCameraEvent)
tileset.off(global.DC.MouseEventType.CLICK, that.tilesetClick)
@@ -860,6 +1003,8 @@
global.viewer.removeLayer(tilesetLayer)
tileset = null
tilesetLayer = null
+ global.viewer.removeLayer(streenMlayer)
+ streenMlayer = null
that.createdLayers()
baseMapLayer = global.viewer.imageryLayers.addImageryProvider(new global.DC.Namespace.Cesium.UrlTemplateImageryProvider({
@@ -904,4 +1049,25 @@
// height: 40px;
z-index: 1;
}
+
+.three-stm {
+ position: fixed;
+ top: 66px;
+ right: 10px;
+ z-index: 99;
+}
+
+.sat-stm {
+ position: fixed;
+ top: 66px;
+ right: 75px;
+ z-index: 99;
+}
+
+.sat-tc {
+ position: fixed;
+ top: 66px;
+ right: 141px;
+ z-index: 99;
+}
</style>
--
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