fps 58 in 3d,but in 2d fps is 18

1. A concise explanation of the problem you're experiencing.
same Code , in 3D fps is 58,but in 2d fps is 18

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.

What code are you running? Can you provide a Sandcastle example I can run and test for myself?

在 2018年12月5日星期三 UTC+8上午2:21:02,Omar Shehata写道:

What code are you running? Can you provide a Sandcastle example I can run and test for myself?

On Monday, December 3, 2018 at 10:36:36 PM UTC-5, fruit...@outlook.com wrote:1. A concise explanation of the problem you're experiencing.
same Code , in 3D fps is 58,but in 2d fps is 18

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.

I have the same question when I load world contries geoJson file on cesium.I don't know how to solve the problem