NxDimCellType:
| "V"
| "NX_DIM_CELL_VALUE"
| "E"
| "NX_DIM_CELL_EMPTY"
| "N"
| "NX_DIM_CELL_NORMAL"
| "T"
| "NX_DIM_CELL_TOTAL"
| "O"
| "NX_DIM_CELL_OTHER"
| "A"
| "NX_DIM_CELL_AGGR"
| "P"
| "NX_DIM_CELL_PSEUDO"
| "R"
| "NX_DIM_CELL_ROOT"
| "U"
| "NX_DIM_CELL_NULL"
| "G"
| "NX_DIM_CELL_GENERATED"