Volume Mode
Shell outside
• The outside surface is the surface geometry of the outer 'parallel' contours with distance Shell
Thickness in mm.
• The inside surface is equal to the reference surface geometry.
Shell symmetric
• The outside surface is the surface geometry of the outer 'parallel' contours with half distance Shell
Thickness in mm.
• The inside surface is the surface geometry of the inner 'parallel' contours with half distance Shell
Thickness in mm.
If one of the inside contours is not valid, the inside surface is represented by an inner point (the inside
surface is degenerated). (A contour is only valid if the rotation axis is crossed exactly twice.)
The thickness of the shell can be adjusted by using this digipot control.
To activate the selected shell thickness press the digipot control.
Then the new shell thickness is calculated.
The shell contour is not accepted and you return to the VOCAL- ROI
Mode menu, where you can define a new contour.
The shell contour is accepted and stored.
The VOCAL - 3D Static menu appears in the menu area on the monitor.
Of course, only valid reference contours generate a valid shell contour.
Display of the (Shell) Volume
The (shell) volume is defined as the difference between the volume defined by the outer surface
(of the shell geometry) and the volume defined by the inner surface (of the shell geometry).
A degenerated surface is symbolized in the display with xxxxx.
The Volume is displayed on the monitor in the lower right quadrant: Shell xxx.xx cm³
Vref. xxx.xx cm³
Inside xxx.xx cm³
Outside xxx.xx cm³
If the reference surface geometry is not valid, all volumes are invalid and displayed with xxxxx.
Voluson
®
730Pro - Basic User Manual
105831 Rev. 0 11-73
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