[英]Mapbox GL set opacity of symbol layer
I have a symbol layer displaying text on a mapbox map and I am looking for a way to change the opacity of the text.我有一个符号图层在地图框地图上显示文本,我正在寻找一种更改文本不透明度的方法。
this.map.addLayer({
"id": "symbols",
"type": "symbol",
"source": "source_circleCurrentGpsCircle",
"layout": {
"text-font": ["Open Sans Regular"],
"text-field": '{title}',
"text-size": {
stops: [
[0, 0],
[22, metersToPixelsAtMaxZoom * 2]
],
base: 2
}
},
"paint": {
"text-color": "#00FF00"
}
});
I tried a few things like the following我尝试了一些类似以下的事情
this.map.setPaintProperty('symbols', 'symbol-opacity', .6);
I think I just need the correct property name.我想我只需要正确的属性名称。 Is it possible to set a class for the symbol?
是否可以为符号设置类? I could adjust the opacity easily that way.
我可以通过这种方式轻松调整不透明度。
I figured it out.我想到了。 It turns out to be the text-opacity property, not symbol-opacity.
结果是文本不透明度属性,而不是符号不透明度。 Seems obvious now.
现在似乎很明显。
To change the opacity on a label from a symbol type layer use the text-opacity
property.要从符号类型图层更改标签上的不透明度,请使用
text-opacity
属性。 Here's the documentation. 这是文档。
Example:例子:
this.map.setPaintProperty('layer_name', 'text-opacity', .6);
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