| Value | Description |
|---|---|
| iermNone | The layer is not used to display a measurement |
| iermHintOnly | Same as iermNone, except that the hover hint when creating or sizing shows its current length (TIELineLayer, TIEPolylineLayer), area (TIETextLayer) or angle (TIEAngleLayer) |
| iermLabel | The label of the layer will display the current length (TIELineLayer, TIEPolylineLayer), area (TIETextLayer) or angle (TIEAngleLayer) |
