Tree's 'pop' when switching between impostor & meshclutter

[Walters.Robert]

I followed the video tutorials on meshclutter's and impostors & believe I have set the switch over distance between the two as recommended in the video.  Unfortunately, I occasionally get behavior where the impostor vanishes before the clutter loads which means the object disappears for a second before popping back into existence.  Here is a video of the phenomenon.

The behavior is inconsistent.  After having it happen for a few minutes it will go away.  Does it have something to do with how the two objects are loaded into memory?

[morbid]

Hello Robert,

This could happen due to the lag of clutter cell generation. Can you share the following info:

• Terrain size
• Grass and Clutter size, step and density

More likely you'll have to adjust step value to make trees appear seamless.

Thanks.