DICOM PS3.3 2020d - Information Object Definitions

C.8.19.6.14 X-Ray Geometry Macro (Current)
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##### C.8.19.6.14 X-Ray Geometry Macro

Table C.8.19.6-14 specifies the Attributes containing the X-Ray Geometry Functional Group Macro.

Table C.8.19.6-14. X-Ray Geometry Macro Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
X-Ray Geometry Sequence | (0018,9476) | 1 | Sequence containing the geometric properties for this frame. Only a single Item shall be included in this Sequence.
>Distance Source to Isocenter | (0018,9402) | 1 | Distance from source to isocenter in mm.
>Distance Source to Detector | (0018,1110) | 1 | Distance from source to receptor plane perpendicular to the receptor plane in mm. ### Note This value is traditionally referred to as Source Image Receptor Distance (SID).

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DICOM PS3.3 2020d - Information Object Definitions