前端任意修改地图风格颜色

编程入门行业动态更新时间:2024-10-06 12:19:24

前端任意修改地图风格<a href=https://www.elefans.com/category/jswz/34/1771046.html style= 颜色"/>

前端任意修改地图风格颜色

在做地图相关应用时，常常遇到地图风格与UI界面不搭配的问题，如果在制图时就制作多种风格的地图，耗时耗力，超出成本控制。这里推荐一种快捷的方法，可在前端快速更改地图成任意风格，使色调与UI搭配。
先上一张图，白色风格地图快速改成蓝调地图的效果。

整体流程参照了该博客

简洁说一下流程。

1.svg标签复制

把该网站html里的svg标签全部复制到自己地图网站的body标签里。

2.地图截图上传并调色

截图自己的地图（需要调整风格的地图），上传到该网站进行CSS调色。

在该网站可点击预置的风格，不满意可通过滑块微调。（也可基于预置风格深入调整，不过预置风格一般来说足够用了。）
调整完成后的参数在网站的CSS code栏目里面。

3.把调色结果CSS样式赋给地图div

复制上述网站里的CSS code内容（CSS code里的url已自动关联了svg，不用关注），赋给地图div的style。

4.注意事项

地图里的 marker 等图标div颜色也会被改变，为了让这些图标保持原样，可以给这些图标加上如下CSS样式filter: ;

5.小试牛刀

以下是个人小试牛刀的结果。
原始白底地图为
.html#01_tiledMapLayer3857

以下为变成蓝底地图的代码，直接把代码粘在源码窗口运行即可。

<!--********************************************************************
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<!DOCTYPE html>
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L.supermap.crsFromMapJSON 创建 CRS//         3.调用 L.map 创建地图//         4.调用 L.supermap.TiledMapLayer 创建底图new L.supermap.MapService(url).getMapInfo().then((res) => {var crs = L.supermap.crsFromMapJSON(res.result);map = L.map('map', {crs: crs,center: [0, 0],maxZoom: 18,zoom: 1});new L.supermap.TiledMapLayer(url).addTo(map);});*/</script></body>
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