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leaflet-trackplayer

v2.0.2

Published

A Leaflet trajectory playback plugin that automatically rotates the marker icon based on the actual direction of travel and dynamically adjusts the colors of the traveled and untraveled distances to clearly indicate the current progress. It also supports

Downloads

228

Readme

Leaflet.TrackPlayer

语言: English / 简体中文


一个Leaflet轨迹播放器插件,能够根据实际行驶方向自动旋转标记图标,并动态调整已行驶和未行驶路线的颜色,清晰指示当前进度。它还支持如行驶速度、进度等其他自定义设置。详细文档见下文。


演示动画

🎨实时演示

https://weijun-lab.github.io/Leaflet.TrackPlayer/

安装方法

  • 使用npm安装:npm install leaflet-trackplayer
  • 或者直接下载仓库

使用方式

ESM(ECMAScript Modules)

import "leaflet-trackplayer";

UMD(Universal Module Definition)

<script src="Leaflet.TrackPlayer/dist/leaflet-trackplayer.umd.cjs"></script>

let track = new L.TrackPlayer(latlngs, options).addTo(map);

代码示例

let latlngs = [
       [
           34.291120985630914,
           108.91770583134237
       ],
       [
           34.29428596006031,
           108.9177058265846
       ],
];
let track = new L.TrackPlayer(latlngs, {
        markerIcon: L.icon({
          iconUrl: "Your image url",
        }),
        markerRotation: false,
}).addTo(map);
track.start();
track.on("progress",(progress, { lng, lat },index)=>{{
    console.log(`progress:${progress} - position:${lng},${lat} - trackIndex:${index}`)
})

文档说明

Latlngs

用于轨迹的经纬度数据数组,与L.polyline的第一个参数相同。

配置项

| 选项 | 类型 | 默认值 | 描述 | | --- | --- | --- | --- | | speed | Number | 600 | 行驶速度(公里/小时) | | weight | Number | 8 | 轨迹线宽度 | | markerIcon | L.icon | - | 回放过程中移动标记的图标,相当于L.marker的'icon'属性 | | polylineDecoratorOptions | Object | {...} | 轨迹线箭头样式,参见Leaflet.PolylineDecorator | | passedLineColor | String | #0000ff | 已行驶轨迹部分的颜色 | | notPassedLineColor | String | #ff0000 | 未行驶轨迹部分的颜色 | | panTo | Boolean | true | 地图视图是否跟随移动标记 | | markerRotation | Boolean | true | 标记是否根据移动方向自动旋转 | | markerRotationOrigin | String | center | 标记旋转的原点,遵循CSS transform-origin规则 | | markerRotationOffset | Number | 0 | 标记旋转的角度偏移量 |

方法

| 方法 | 返回值 | 描述 | | --- | --- | --- | | start() | - | 开始播放 | | pause() | - | 暂停播放 | | setSpeed(<Number> speed, <Number> debounceTimeout?) | - | 设置回放速度(公里/小时) | | setProgress(<Number> progress) | - | 设置回放进度值至0-1之间 | | addTo(<Map> map) | this | 将轨迹播放器添加到地图上 | | remove() | - | 从地图上移除轨迹播放器 | | on(<String> type, <Function> fn) | - | 向指定事件类型添加监听函数 | | off(<String> type, <Function> fn?) | - | 移除传入的监听函数。如果不指定函数,则移除该事件类型的所有监听器 |

事件

| 事件 | 描述 | | --- | --- | | start | 当播放开始时触发 | | pause | 当播放暂停时触发 | | finished | 当播放完成时触发 | | progress | 在播放过程中触发;回调函数接收 progress(0-1)当前位置轨迹数组索引 |

属性

| 属性 | 类型 | 描述 | | --- | --- | --- | | marker | L.marker | 轨迹上的移动标记 | | passedLine | L.polyline | 已行驶轨迹线段 | | notPassedLine | L.polyline | 未行驶轨迹线段 | | polylineDecorator | L.polylineDecorator | 带箭头装饰的轨迹线段 | | options | Object | 配置选项 |

🎉致谢与引用

我对以下开源插件深表感谢,它们为本插件的功能提供了关键支持。