1、Cesium 初始化场景时:
// fullscreenElement: props.fullscreenElement,
contextOptions: {
webgl: {
alpha: true,
//通过canvas.toDataURL()实现截图需要将该项设置为true
preserveDrawingBuffer: true
}
}
2、openlayer 设置允许跨域
var GaoDeMap1 = new TileLayer({
name: "高德矢量地图",
source: new XYZ({
url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}',
wrapX: true,
//设置跨域
crossOrigin: 'anonymous',
}),
});