DICOM Printing contains a specification for ‘Annotations’, but the terminology is very confusing, so this page is designed to explain the facility, and avoid misunderstandings.
Areas where pixel data can be printed (Using N-SET)
nothing can be printed here
In general, the arrangement of the pixel data areas is defined by the Format COM/.NET string (e.g. STANDARD\2,2), but the annotation areas are defined at the whim of the printer manufacturers, and can only be found from the conformance statement.
- You must know from the conformance statement how many exist for a given format (this cannot be found automatically)
- You must know their “numbers” and positions
- You must know how many characters are allowed in each (often quite a small number)
Of course, the main confusion in this mechanism is the use of the term “annotation”:
- The DICOM meaning is areas of text outside the main print areas
- Most users would expect it to mean text etc. over the main print areas