     //----------------------------------
     [Inspectable(category="General")]
     /** 
-     *  @copy AnimateTransform#applyChangesPostLayout
-     *  The default value for this property is true for 3D effects,
-     *  because the Flex layout system ignores 3D transformation properties.
+     *  Used by the subclasses of AnimateTransform to specify
+     *  whether the effect changes transform values used by the layout 
+     *  manager, or whether it changes values used after layout is run.
+     *  Because the Flex layout system ignores 3D transformation properties,
+     *  this class overrides the <code>AnimateTransform.applyChangesPostLayout</code> property
+     *  to set the default value to <code>true</code> for 3D effects.
      *
      *  @default true
      * 

    public var fieldOfView:Number;

    /**
     *  @copy flash.geom.PerspectiveProjection#focalLength
     *  
     *  <p>This property is only used when <code>applyLocalProjection</code>
     *  is set to <code>true</code>.</p>
     *
     *  @see #applyLocalProjection
     * 
     *  @langversion 3.0
     *  @playerversion Flash 10

     * @private
     * 
     * This is where we create the single instance and/or feed extra
     * MotionPath information (from the transform-related effects) into the
     * single transform effect instance.
     */
    override protected function initInstance(instance:IEffectInstance):void
