RadialIntensityProfileMsr
            Contains the data corresponding to a radial intensity profile.
        
		Object members
| Measurement name | Description | Element type | Indexing | 
|---|---|---|---|
| mean | The mean intensity value along the radius. | Floating point | [radiusIndex, channel, time] | 
| radius | The radius, in pixel units. | Unsigned integer | [radiusIndex] | 
| standardDeviation | The standard deviation of intensity values along the radius. | Floating point | [radiusIndex, channel, time] |