FIELDLAYER_FLAG

FIELDLAYER_FLAG_NONE	None.
FIELDLAYER_FLAG_SKIP	Layer calculation is disabled, e.g. the linked object on a standard layer’s deform mode is false.
FIELDLAYER_FLAG_ERRORSKIP	Layer calculation is disabled due to a non critical error in InitSampling() or as user specified.
FIELDLAYER_FLAG_HIDE	Layer should be completely ignored from both calculation and GUI display, e.g. the linked object has been deleted.
FIELDLAYER_FLAG_MODIFYDATA	The layer modifies existing data and needs the values from layers beneath it in the layer list.
FIELDLAYER_FLAG_PRESERVEALPHA	The layer does not adjust the existing alpha and its color changes should be applied ignoring any alpha values.
FIELDLAYER_FLAG_NOCHILDVALUE	Children of the layer do not output their value.
FIELDLAYER_FLAG_NOCHILDCOLOR	Children of the layer do not output their color.
FIELDLAYER_FLAG_NOCHILDDIRECTION	Children of the layer do not output their direction.
FIELDLAYER_FLAG_NOCHILDROTATION	Children of the layer do not output their rotation.
FIELDLAYER_FLAG_TEMPORARY	Do not save the layer with the list or duplicate it (outside of undo).