From Second Life Wiki
Function: vector llGetGeometricCenter( );
Returns the vector that is the geometric center of the object relative to the root prim.
- The "geometric center" is the average of all linked prim centers. Mathematically, it's the root-relative positions of all linked prims in the linkset added together and divided by the number of prims in the linkset.
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|| Provide better llGetGeometricCenter function.
function vector llGetGeometricCenter();
With each added prim
away shifts our origin
to encompass all.