The depth of babylonjs csm

The depth of the viewing frustum seems to be the same in babylonjs csm,
I draw all the frustums,and result is

As can be seen from the figure, the frustum is not layered during the rendering process.

and If this stratification can be achieved, it should be correct

The frustums are not layered that way in CSM, the camera frustum is subdivided like this:


See this link for more detail:

It was my negligence, I set the stabilizeizeCascades attribute