Presentation states

A Presentation State is an independent DICOM SOP Instance that contains information on how a particular image should be displayed. The Presentation State may contain label information(types of Label and Positions), windowing values, zoom value, scrolling (panning) values, rotations or any other visual display element that is defined within the DICOM standard. However Presentation States contain no Pixel Data as they are intended for use with an existing Dicom Image.

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