DICOM Tables


GRAPHIC ANNOTATION MODULE ATTRIBUTES

Tag
Tag Name
Requirement
Description
(0070,0001) Graphic Annotation Sequence
1
A sequence of Items each of which represents a group of annotations composed of graphics or text or both. One or more Items shall be present.
(0008,1140) >Referenced Image Sequence
1C
Sequence of Repeating Items where each Item provides reference to a selected set of Image SOP Class/SOP Instance pairs that are defined in the Presentation State Module. Required if a sequence item is present, and if graphic annotations in this Item do not apply to all the images listed in the Presentation State Module.
(0008,1150) >>Referenced SOP Class UID
1C
Uniquely identifies the referenced SOP Class. Required if sequence item is present.
(0008,1155) >>Referenced SOP Instance UID
1C
Uniquely identifies the referenced SOP Instance. Required if sequence item is present.
(0008,1160) >>Referenced Frame Number
1C
Identifies the frame numbers within the referenced SOP Instance to which this group of annotations applies. Required if sequence item is present and the referenced image is a multi-frame image and the annotations do not apply to all frames.
(0070,0002) >Graphic Layer
1
The layer defined in the Graphic Layer Module C.10.7 in which the graphics or text is to be rendered.
(0070,0008) >Text Object Sequence
1C
Sequence that describes a text annotation. One or more Items may be present. Either one or both of Text Object Sequence (0070,0008) or Graphic Object Sequence (0070,0009) are required if the Sequence Item is present.
(0070,0003) >>Bounding Box Annotation Units
1C
Units of measure for the axes of the text bounding box. Defines whether or not the annotation is Image or Displayed Area relative. Both dimensions shall have the same units. Enumerated Values: PIXEL = Image relative position specified with sub-pixel resolution such that the origin at the Top Left Hand Corner (TLHC) of the TLHC pixel is 0.0\0.0, the Bottom Right Hand Corner (BRHC) of the TLHC pixel is 1.0\1.0, and the BRHC of the BRHC pixel is Columns\Rows (see figure C.10.5-1). The values must be within the range 0\0 to Columns\Rows. DISPLAY = Fraction of Specified Displayed Area where 0.0\0.0 is the TLHC and 1.0\1.0 is the BRHC. The values must be within the range 0.0 to 1.0. Required if Bounding Box Top Left Hand Corner (0070,0010) or Bounding Box Bottom Right Hand Corner (0070,0011) is present.
(0070,0004) >>Anchor Point Annotation Units
1C
Units of measure for the axes of the text anchor point annotation. Enumerated Values for Anchor Point Annotation Units (0070,0004) are the same as for Bounding Box Annotation Units (0070,0003). Required if Anchor Point (0070,0014) is present.
(0070,0006) >>Unformatted Text Value
1
Text data which is unformatted and whose manner of display within the defined bounding box or relative to the specified anchor point is implementation dependent. See C.10.5.1.1. The text value may contain spaces, as well as multiple lines separated by either LF, CR, CR LF or LF CR, but otherwise no format control characters (such as horizontal or vertical tab and form feed) shall be present, even if permitted by the Value Representation of ST. The text shall be interpreted as specified by Specific Character Set (0008,0005) if present in the SOP Common Module. Note: The text may contain single or multi-byte characters and use code extension techniques as described in PS 3.5 if permitted by the values of Specific Character Set (0008,0005).
(0070,0010) >>Bounding Box Top Left Hand Corner
1C
Location of the Top Left Hand Corner (TLHC) of the bounding box in which Unformatted Text Value (0070,0006) is to be displayed, in Bounding Box Annotation Units (0070,0003), given as column\row . Column is the horizontal offset and row is the vertical offset. Required if Anchor Point (0070,0014) is not present.
(0070,0011) >>Bounding Box Bottom Right Hand Corner
1C
Location of the Bottom Right Hand Corner (BRHC) of the bounding box in which Unformatted Text Value (0070,0006) is to be displayed, in Bounding Box Annotation Units (0070,0003), given as column\row . Column is the horizontal offset and row is the vertical offset. Required if Anchor Point (0070,0014) is not present.
(0070,0012) >>Bounding Box Text Horizontal Justification
1C
Location of the text relative to the vertical edges of the bounding box. Enumerated Values: LEFT = closest to left edge RIGHT = closest to right edge CENTER = centered Required if Bounding Box Top Left Hand Corner (0070,0010) is present.
(0070,0014) >>Anchor Point
1C
Location of a point in the image or Specified Displayed Area to which the Unformatted Text Value (0070,0006) is related, in Anchor Point Annotation Units (0070,0004), given as column\row . Column is the horizontal offset and row is the vertical offset. Required if Bounding Box Top Left Hand Corner (0070,0010) and Bounding Box Bottom Right Hand Corner (0070,0011) are not present. May be present even if a bounding box is specified (i.e. Bounding Box Top Left Hand Corner (0070,0010) and Bounding Box Bottom Right Hand Corner (0070,0011) are present).
(0070,0015) >>Anchor Point Visibility
1C
Flag to indicate whether or not a visible indication (such as a line or arrow) of the relationship between the text and the anchor point is to be displayed. Enumerated Values: Y = yes N = no Required if Anchor Point (0070,0014) is present.
(0070,0009) >Graphic Object Sequence
1C
Sequence that describes a graphic annotation. One or more Items may be present. Either one or both of Text Object Sequence (0070,0008) or Graphic Object Sequence (0070,0009) are required if the Sequence Item is present.
(0070,0005) >>Graphic Annotation Units
1
Units of measure for the axes of the graphic annotation. Enumerated Values for Graphic Annotation Units (0070,0005) are the same as for Bounding Box Annotation Units (0070,0003).
(0070,0020) >>Graphic Dimensions
1
Enumerated Value: 2
(0070,0021) >>Number of Graphic Points
1
Number of data points in this graphic.
(0070,0022) >>Graphic Data
1
Coordinates that specify this graphic annotation . See C.10.5.1.2 for further explanation.
(0070,0023) >>Graphic Type
1
The shape of graphic that is to be drawn. See C.10.5.1.2. Enumerated Values: POINT POLYLINE INTERPOLATED CIRCLE ELLIPSE
(0070,0024) >>Graphic Filled
1C
Whether or not the closed graphics element is displayed as filled (in some unspecified manner that shall be distinguishable from an outline) or as an outline. See C.10.5.1.2. Enumerated Values: Y = yes N = no Required if Graphic Data (0070,0022) is “closed”, that is Graphic Type (0070,0023) is CIRCLE or ELLIPSE, or Graphic Type (0070,0023) is POLYLINE or INTERPOLATED and the first data point is the same as the last data point.