摘要：最近我們的可視化界面改了好多版本，最近新提出來的需求，就是想要顯示地圖上的某個區域，希望是3D立體的。並且跟着中心點不同旋轉到相對應的位置，並且在改立體的區域上加上相應的散點圖。開始第一步的嘗試之旅。
需求整理如下：
1、首先顯示自定義地圖
2、顯示3D的某個區域
3、在該3D的區域塊上，如何添加相應的散點圖和信息窗體（嘗試實現中，後期實現會更新）
4、如何根據不同的中心點，該3D區域自動旋轉至相對應的小區位置（還未思路中，如果後期實現會更新）
實現：
一、顯示自定義地圖
- 首先註冊高德地圖的賬號
- 前往自定義地圖頁面，對自己想要的地圖頁面進行樣式，然後發佈即可使用自定義地圖鏈接地址
- 上傳代碼如下：（我自定義的地圖就是需要背景顏色和道路兩個，不需要地的名字）
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>高德地圖可視化</title>
<style>
.centerItem {
width: 1056px;
height: 740px;
/*background-color: rgb(4, 157, 252);*/
border: 1px solid #ccc;
margin: 100px auto 0 auto;
}
</style>
</head>
<body>
<!-- 展示 -->
<div id="container" class="centerItem"></div>
<script src="https://webapi.amap.com/loca?v=1.2.0&key=你的應用key值"></script>
<!-- 引入相關文件 -->
<script src="js/jquery-3.2.1.min.js"></script>
<script>
var map = Loca.create('container', {
mapStyle: 'amap://styles/7daf7c6981b0bc497d78c23077f5492f', // 設置地圖的顯示樣式，目前支持兩種地圖樣式：第一種：自定義地圖樣式，如"amap://styles/d6bf8c1d69cea9f5c696185ad4ac4c86"可前往地圖自定義平臺定製自己的個性地圖樣式；第二種：官方樣式模版,如"amap://styles/grey"。其他模版樣式及自定義地圖的使用說明見開發指南
viewMode: '3D', // 默認爲‘2D’，可選’3D’，選擇‘3D’會顯示 3D 地圖效果。
pitch: 50, // 俯仰角度，默認0，[0,83]，2D地圖下無效
features: ['bg', 'road','building'], // 設置地圖上顯示的元素種類支持'bg'（地圖背景）、'point'（POI點）、'road'（道路）、'building'（建築物）
zoom: 8// 地圖顯示的縮放級別，若center與level未賦值，地圖初始化默認顯示用戶所在城市範圍,3D地圖下，zoom值，可以設置爲浮點數。（在V1.3.0版本level參數調整爲zoom，3D地圖修改自V1.4.0開始生效）
});
map.on('mapload', function() {
map.getMap().plugin(['AMap.ControlBar'], function() {
var controlBar = new AMap.ControlBar();
map.getMap().addControl(controlBar);
});
});
var colors = ["#08519c"];
$.get('你需要渲染地圖的數據接口',function(data) {
console.log(data);
var data = data.data;
// 創建地圖容器
var layer = Loca.visualLayer({
container: map,
type: 'polygon',
shape: 'polygon',
fitView: true
});
// 添加數據
layer.setData(data, {
lnglat: 'coordinates'
});
var idx = 0;
// 設置樣式
layer.setOptions({
style: {
height: function() {
return Math.random() * 20000;
},
opacity: 0.9,
color: function() {
return colors[idx++ % colors.length];
}
}
});
// 執行繪製
layer.render();
});
</script>
</body>
</html>
我的數據格式模擬如下：
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117.269745,
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117.269742,
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117.269748,
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117.269924,
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117.271253,
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117.273054,
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117.273067,
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117.273715,
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117.276613,
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]
}]
實現的效果如下：
備註：在藍色3D區域上，添加氣泡圖並顯示信息窗體。該功能還未實現，還在研讀文檔，實現後會更新呢？小夥伴們也可以提供些思路給我呢
小夥伴如需轉載，請標明文章出處哦~