So far, I've found that there are two places in the Poser file which involve Poser 7's animation layer information:

=========================================================
At top level (below actors)
=========================================================

keyLayer <layer-name>
{
    on <1|0>
    startFrame <frame (0-based)>
    length
    combine <add|replace>
    preBlendFrames
    postBlendFrames
    preBlendType
    postBlendType
}

Order is from bottom up (Base Layer assumed).  So:

keyLayer Layer_1
{
}
keyLayer Layer_2
{
}

is shown as this in Poser:

Layer_2
Layer_1
Base Layer

=========================================================
In affected channel keys section:
=========================================================

The ordering of layers is same as keyLayer:

Base Layer
Layer_1
Layer_2

keys
{
    <base-layer keys
     same as old Poser keys>
    layer kfrm <layer-name>
    <list of keyframes same as old Poser but including after 'k':>
    k 0
    kfd
}

I'm assuming what is what on k and kfd only because it is impossible to tell.  When you select the dial value in Poser, the value changes in one direction or the other everytime - the results get rather messy and unfixable.

Another thing is how understanding how Add works and how the values in the keys section are used.  Are they cumulative - so two layers (besides the Base Layer) added are cumulated into the top layer (the one last in the keys section)?  And I'm not sure how the 'Add' works.  Obviously, simply adding to rotations which cover the same ground is going to lead to incorrect results.  Is there a delta taken into account here?  This layer system is a mess and hard to decipher due to the volatile nature that I've experienced with it.

Appreciate any help.
Robert

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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