BM.map设置指定市州的透明度
时间: 2024-03-20 08:14:29 浏览: 11
您可以使用 `setStyle` 方法来设置地图的样式,其中可以设置每个区域的样式信息,包括透明度。
下面是一个示例代码,将北京市的透明度设置为0.5:
```javascript
BM.setMapStyle({
styleJson: [
{
featureType: "district",
elementType: "all",
stylers: [
{
visibility: "on"
},
{
hue: "#ff0000"
},
{
saturation: -100
},
{
lightness: 37
},
{
gamma: 1.15
}
]
},
{
featureType: "district",
elementType: "labels.text.fill",
stylers: [
{
color: "#ffffff"
}
]
},
{
featureType: "district",
elementType: "labels.text.stroke",
stylers: [
{
color: "#000000"
},
{
weight: 3
}
]
},
{
featureType: "district",
elementType: "labels.icon",
stylers: [
{
visibility: "off"
}
]
},
{
featureType: "district",
elementType: "geometry.fill",
stylers: [
{
color: "#ffffff"
},
{
visibility: "on"
},
{
gamma: 0.54
},
{
lightness: 4
},
{
saturation: -100
}
]
},
// 设置北京市的透明度为0.5
{
featureType: "district",
elementType: "geometry.fill",
stylers: [
{
visibility: "on"
},
{
hue: "#ff0000"
},
{
saturation: -100
},
{
lightness: 37
},
{
gamma: 1.15
},
{
where: "name='北京市'",
opacity: 0.5
}
]
}
]
});
```
您需要将 "name='北京市'" 替换为您要设置透明度的区域名称,然后将 opacity 设置为您需要的透明度值即可。