| MeasurementInfo | Measurement info object contains all the measurement information available in a measurement annotation. |
| Scale | A ratio of the size of an object as displayed on a document page to the size of a corresponding real-world object. |
| FloatPrecision | Number of decimal points for annotation float value rounding. |
| MeasurementMode | Measurement mode. |
| Scale.UnitFrom | Units available for the source scale value. |
| Scale.UnitTo | Units available for the target scale value. |