globe is too drak

CesiumJS
1

1. A concise explanation of the problem you're experiencing.

viewer.sceme.globe.enableLighting = true,globe is too drak

2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.

3. Context. Why do you need to do this? We might know a better way to accomplish your goal.

4. The Cesium version you're using, your operating system and browser.

2

You should be able to tweak the lighting parameters as shown in this example:

Does that help?

3

thanks , it's so helpful