3 General Information
3.1 Gantry Coordinate System
X, Y, Z: Scanner gantry coordinate system:
•
X=Tangent to circle of rotation.
•
Y=Radial (from ISO toward tube focal spot).
•
Z=Longitudinal (in/out of the scan plane).
Illustration 2: Gantry Coordinate System
Table 2: Scanner Geometry
Parameter
ISO Center Height 1026 mm
Focal spot to ISO Center 625.6 mm
Focal spot to detector 1097.6 mm
SFOV 500 mm
Gantry Bore Diameter 795 mm
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
Chapter 21 General Information 639