IGDS_EXPAND_CELLS (YES) AND IGDS_EXPAND_UNNAMED_CELLS(YES): Neither of the two cells is preserved. All members of both cells are output as independent features. No donuts are formed in case the unnamed cell contained overlapping polygons.
IGDS_EXPAND_CELLS (YES) AND IGDS_EXPAND_UNNAMED_CELLS(NO): Neither of the two cells is preserved. All members of both cells are output as independent features. No donuts are formed in case the unnamed cell contained overlapping polygons.
IGDS_EXPAND_CELLS (NO) AND IGDS_EXPAND_UNNAMED_CELLS(YES): Only the root cell is output. Nested unnamed cells are ignored.
IGDS_EXPAND_CELLS (NO) AND IGDS_EXPAND_UNNAMED_CELLS(NO): Only the root cell is output. Nested unnamed cells are ignored.