| Tag | (0018,2004) |
|---|---|
| Type | Conditionally Required (1C) |
| Keyword | FrameSecondaryAngleVector |
| Value Multiplicity | 1-n |
| Value Representation | Decimal String (DS) |
An array that contains, for each of the image frames, the secondary angle of rotation about an undefined axis that is orthogonal to that used for Frame Primary Angle Vector (0018,2003), in degrees. May be used for annotative purposes for "cine loops" of 3D reprojected images
Required if Frame Increment Pointer (0028,0009) points to Frame Secondary Angle Vector (0018,2004).