public FramePixelData(StreamingSopDataSource parent, int frameNumber)
			{
				Parent = parent;
				FrameNumber = frameNumber;
			}
			public StreamingSopFrameData(int frameNumber, StreamingSopDataSource parent)
				: base(frameNumber, parent, LargeObjectContainerData.PresetNetworkLoadedData)
			{
				_framePixelData = new FramePixelData(this.Parent, frameNumber);
				_overlayData = new byte[16][];
			}
			public StreamingSopFrameData(int frameNumber, StreamingSopDataSource parent) 
				: base(frameNumber, parent, RegenerationCost.High)
			{
				_framePixelData = new FramePixelData(this.Parent, frameNumber);
				_overlayData = new byte[16][];
			}