Leaflet.timeline 开源项目教程

最新推荐文章于 2024-09-13 22:39:10 发布

缪阔孝Ruler

最新推荐文章于 2024-09-13 22:39:10 发布

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本文链接：https://blog.youkuaiyun.com/gitblog_00125/article/details/141247554

Leaflet.timeline 开源项目教程

Leaflet.timelineDisplay arbitrary GeoJSON on a map with a timeline slider and play button项目地址:https://gitcode.com/gh_mirrors/le/Leaflet.timeline

项目介绍

Leaflet.timeline 是一个基于 Leaflet 地图库的开源插件，专门用于在地图上展示时间线数据。通过这个插件，用户可以在地图上动态展示随时间变化的数据，如天气变化、交通流量、人口迁移等。Leaflet.timeline 提供了丰富的 API 和事件，使得开发者可以轻松地集成和定制时间线功能。

项目快速启动

安装

首先，确保你已经安装了 Leaflet。然后，通过 npm 或直接下载的方式安装 Leaflet.timeline：

npm install leaflet.timeline

或者直接在 HTML 文件中引入：

<link rel="stylesheet" href="https://unpkg.com/leaflet/dist/leaflet.css" />
<script src="https://unpkg.com/leaflet/dist/leaflet.js"></script>
<script src="https://unpkg.com/leaflet.timeline/dist/leaflet.timeline.js"></script>

基本使用

以下是一个简单的示例，展示如何在地图上添加时间线数据：

<!DOCTYPE html>
<html>
<head>
    <title>Leaflet.timeline 示例</title>
    <link rel="stylesheet" href="https://unpkg.com/leaflet/dist/leaflet.css" />
    <script src="https://unpkg.com/leaflet/dist/leaflet.js"></script>
    <script src="https://unpkg.com/leaflet.timeline/dist/leaflet.timeline.js"></script>
    <style>
        #map {
            height: 600px;
            width: 100%;
        }
    </style>
</head>
<body>
    <div id="map"></div>
    <script>
        var map = L.map('map').setView([51.505, -0.09], 13);

        L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
            attribution: '© OpenStreetMap contributors'
        }).addTo(map);

        var data = [
            { "time": 1, "lat": 51.505, "lng": -0.09 },
            { "time": 2, "lat": 51.51, "lng": -0.1 },
            { "time": 3, "lat": 51.515, "lng": -0.11 }
        ];

        var timeline = L.timeline(data, {
            getInterval: function(data) {
                return {
                    start: data.time,
                    end: data.time
                };
            },
            pointToLayer: function(data, latlng) {
                return L.circleMarker(latlng, {
                    radius: 10,
                    fillColor: "#ff7800",
                    color: "#000",
                    weight: 1,
                    opacity: 1,
                    fillOpacity: 0.8
                });
            }
        }).addTo(map);

        timeline.on('change', function(e) {
            map.fitBounds(timeline.getBounds());
        });
    </script>
</body>
</html>