Area2dMsr
            Contains information related to the area of foreground pixels in a two-dimensional binary image.
        
		Object members
| Measurement name | Description | Element type | Indexing | 
|---|---|---|---|
| area | The area, expressed in world coordinates given by the input image calibration. | Floating point | [time] | 
| pixelCount | The area in pixels; that is, the number of object pixels. | Unsigned integer | [time] | 
| areaFraction | The number of object pixels divided by the total number of pixels of the input image. | Floating point | [time] |