Well, here's my situation: There is a part, we'll call it Parent, with morphs that extend one end OR the other of that part along the X-axis, i.e.: one morph extends one section along the negative X-axis and another morph extends another section along the positive X-axis. Consequently, these morphs act like ScaleX, but only partially. Parent has children being used as bones (aka PoserBones, brought to you by BL Render) to deform the Parent. When one of these morphs is applied to Parent, rotation of any of these children-as-bones doesn't work properly since they remain unscaled to compensate for the pseudo-scaled section. This is a situation that may have been remedied by making Parent two parts, one part along the negative x-axis and the other along the positive. But, with morphs all applied, this would be very difficult to implement. Any suggestions? I will continue experimenting, but have made no progress in several hours. Thanks, Kuroyume

The only scale that matters, it seems, is propagating scale when it comes to also adjusting the JPs. Propagating scale doesn't allow any type of division among receiving scales (all the children or nothing). Exhaustive experimentation with the figure hasn't allowed the bones to be scaled any other way and effect the parent geometry correctly, so I'll have to compromise on this. Oh, well. Worth a try anyway. :) Kuroyume

Attached Link: http://www.rbtwhiz.com/rbtwhiz_EMCPrintable.html

Not sure I understand exactly what you are doing, but in answer to the title of this thread "Can a morph target be used to effect scaling of children?", the answer is both yes and no. No because a morph target its self only affects the actor it is applied to, and yes because any channel can affect any other by the use of ERC (Enhanced Remote Controle.

As an example if you wanted the 'targetGeom RoundFace' morph channel in Posettes head to affect the 'scaleX xScale' channel in her neck you would add the folowing code to the 'scaleX xScale' after the line "interpStyleLocked":

                        valueOpDeltaAdd<br></br>                             Figure 1<br></br>                            head:1<br></br>                              RoundFace<br></br>                   deltaAddDelta 1.000000

Placing this code in the channel makes it a slave of the "RoundFace" channel in the actor "head:1" in "Figure 1", lines 4, 3, and 2, respectivly.

The entire scaleX channel would look like this after the slaving code was added:

          scaleX xScale<br></br>                       {<br></br>                   name GetStringRes(1028,6)<br></br>                   initValue 1<br></br>                 hidden 0<br></br>                    forceLimits 0<br></br>                       min 0.1<br></br>                     max 100000<br></br>                  trackingScale 0.004<br></br>                 keys<br></br>                                {<br></br>                           static  0<br></br>                           k  0  1<br></br>                             }<br></br>                   interpStyleLocked 0<br></br>                 valueOpDeltaAdd<br></br>                             Figure 1<br></br>                            head:1<br></br>                              RoundFace<br></br>                   deltaAddDelta 1.000000<br></br>                      }

For more info on ERC see the link above, or:
http://www.nerd3d.com/Tutorial/SuperMorph.htm